2008-05-17 Tracking News

Contents on 17 May '08

IAU Minor Planet Center
- NEOCP Activity -- one listing: 1 updated
- New MPECs -- eight MPECs
Observers -- 44 observing facilities
Impact Risk Monitoring -- three objects
Chronology

Resources:

Consolidated Risk Tables - the CRT page
Earth's Busy Neighborhood Traffic Report
Ephemerides for risk-rated and nearby objects
Old & new CRT Archive
Old News Archive & Small Objects Archive

The latest A/CC news is available via framed access, RSS news feed, or redirection. - Note: A/CC has a main Web site and also a backup site with its own duplicate RSS news feed.

Navigation tips: Use the << and >> arrows on the menus for each regular section (Observers, Risks, etc.) to move to the previous and next day's news for that section. Use the Index menu item to access specific days through a calendar interface. And use the all-up news archive to access news from any time since A/CC began in early 2002. To keep track of what's new each day, watch the Chronology section.

NEOCP Activity on 17 May '08

The MPC's NEO Confirmation Page has 1 listing: 1 updated

When last checked at 2337 UTC today, the Minor Planet Center's NEO discovery Confirmation Page (NEOCP) had one updated listing. This was a "one nighter."

To learn how observers use the NEOCP, see the Practical guide on how to observe NEOCP object by Birtwhistle et al. at Suno Observatory.

New MPECs on 17 May '08

Minor Planet Electronic Circulars

As of last check at 2337 UTC, there have been eight MPECs issued today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.

MPEC 2008-K05 time-stamped "06:08 UT" - Daily Orbit Update - see below
MPEC 2008-K06 time-stamped "15:03 UT" - Comet C/2008 E3 (Garradd) - see below
MPEC 2008-K07 time-stamped "15:09 UT" - Comet C/2008 G1 (Gibbs) - see below
MPEC 2008-K08 time-stamped "15:13 UT" - Comet C/2008 H1 (LINEAR) - see below
MPEC 2008-K09 time-stamped "15:16 UT" - Comet C/2008 J1 (Boattini) - see below
MPEC 2008-K10 time-stamped "15:23 UT" - Comet P/2008 J2 (Beshore) - see below
MPEC 2008-K11 time-stamped "15:28 UT" - Comet C/2008 J6 (Hill) - see below
MPEC 2008-K12 time-stamped "15:36 UT" - Observations of Comets

MPEC 2008-K12 - "15:36 UT" - Observations of Comets

PK08G020 P/2008 G2 from Vitebsk Obs. (May 10.93p1 & 14.85p1), the Catalina Sky Survey (CSS) (May 13.25-27p4), and Atlante Obs. (May 14.94-95p3)
CK08C010 C/2008 C1 (Chen-Gao) from Moletai Obs. (April 24.86-87p5 & 25.85p2), Buchloe Obs. (May 3.83p3), and Farm Cove Obs. (May 12.26p3)
CK08A010 C/2008 A1 (McNaught) from the Siding Spring Survey (SSS) (May 6.39p1) and North Ryde Obs. (May 8.35-38p2, 10.37-39p2 & 15.35-37p2)
CK07W030 C/2007 W3 (LINEAR) from CAST Obs. (May 8.86p1) and Petit Jean Mtn. South Obs. (PJMSO) (May 12.41-42p5)
CK07W010 C/2007 W1 (Boattini) from Vicksburg Obs. (May 10.10-11p3 & 12.12-13p2), Nazaret Obs. (May 10.95p3 & 15.85-87p4), AAAA Buenos Aires Obs. (May 11.05-09p2), Yatsuka Obs. (May 11.46-47p3 & 14.48-49p3), Auckland Obs. (May 14.43p3), Moriyama Obs. (May 15.49-50p2), and North Ryde Obs. (May 16.36-38p2)
CK07M030 C/2007 M3 (LINEAR) from CSS (May 11.32-35p3), Farm Cove Obs. (May 11.38-40p3), and LINEAR (May 13.26-30p5)
CK07G010 C/2007 G1 (LINEAR) from Siegen Obs. (May 8.05-09p3 & 13.03p2), Vicksburg Obs. (May 9.39-41p2), Altamira Obs. (May 10.14-16p3 & 13.16-17p3), AAAA Buenos Aires Obs. (May 10.24-25p2), RAS Obs. Mayhill (May 11.27-30p2 & 13.31-34p2), Monte Deva Obs. (May 12.00-01p5), LINEAR (May 12.30-35p5 & 13.36-40p5), Malaga Obs. (May 13.17-18p4), Yatsuka Obs. (May 14.58-59p3), Kiev Comet Station (May 14.96-98p5), Moriyama Obs. (May 15.67-68p2), and Greiner Research Obs. (GRO) (May 16.36-38p9)
CK07B020 C/2007 B2 (Skiff) from Vicksburg Obs. (May 4.15-16p2, 10.12-13p2 & 12.16-18p2), Isle of Man Obs. (May 4.97p2), Siegen Obs. (May 5.94-95p3, 6.90-91p3, 7.98-99p3 & 12.96p2), Ageo Obs. (May 6.63p3), CAST Obs. (May 8.85p1), Altamira Obs. (May 9.94-95p3, 11.91-92p3 & 12.97-01p3), Farm Cove Obs. (May 11.34p3 & 17.30-31p3), Atlante Obs. (May 11.89-91p3), Monte Deva Obs. (May 11.93-94p5), and Carmelita Obs. (May 12.84p3)
CK06V010 C/2006 V1 (Catalina) from North Ryde Obs. (May 2.68-72p2), SSS (May 5.73p1), and Mt. John Obs. (May 10.71-72p3)
CK06Q010 C/2006 Q1 (McNaught) from SSS (May 4.45p1), CAST Obs. (May 8.83p1), Nazaret Obs. (May 10.86p1 & 10.93-94p2), Yatsuka Obs. (May 11.47-48p3 & 14.49-50p3), Monte Deva Obs. (May 11.89-90p5), Vicksburg Obs. (May 12.09-10p2), Auckland Obs. (May 14.43p3), Moriyama Obs. (May 15.51p2), and North Ryde Obs. (May 16.39-41p2)
CK06K040 C/2006 K4 (NEAT) from North Ryde Obs. (April 28.49-52p2, 29.43-47p2, May 2.39-41p2, 4.43p1, 5.40p1, 8.40-42p2 & 10.40-43p2), SSS (May 5.40p1), and Auckland Obs. (May 14.43-44p3)
CK05L030 C/2005 L3 (McNaught) from Vicksburg Obs. (May 4.22-23p2 & 9.37p2), Ageo Obs. (May 6.69p3), CAST Obs. (May 8.87p1), Altamira Obs. (May 10.06-07p3 & 13.12-13p3), Guadarrama Obs. (May 11.93p2), Monte Deva Obs. (May 11.95p5), Atlante Obs. (May 12.96-97p3), Siegen Obs. (May 13.00-01p3), RAS Mayhill (May 14.28-32p2), CSS (May 14.37-39p4), Yatsuka Obs. (May 14.51p3), Vitebsk Obs. (May 14.88-89p5), Szeged Obs. (May 14.90p2), Moriyama Obs. (May 15.59-60p2), and Nazaret Obs. (May 15.90p3)
CK02V94Q C/2002 VQ94 (LINEAR) from Vicksburg Obs. (May 4.19-20p2 & 12.20-21p2), Altamira Obs. (May 9.98-01p3 & 13.02-05p3), Nazaret Obs. (May 11.88-90p3), Szeged Obs. (May 14.88-89p2), and Atlante Obs. (May 14.89-91p3)
0187P 187P/LINEAR from CAST Obs. (May 8.88p1), LINEAR (May 11.26-30p5), Nazaret Obs. (May 12.94-95p3), Altamira Obs. (May 13.10-11p3), Vitebsk Obs. (May 14.87p1), and Moriyama Obs. (May 15.57-58p2)
0186P 186P/Garradd from North Ryde Obs. (May 2.57-59p2, 3.57p1 & 16.46-47p2), Kambah Obs. (May 8.55-56p2), and Mt. John Obs. (May 10.63p2)
0070P 70P/Kojima from Ageo Obs. (May 6.66p2) and Ottmarsheim Obs. (May 10.84-88p3)
0068P 68P/Klemola from North Ryde Obs. (May 9.51-52p2 & 10.50-52p2), Altamira Obs. (May 10.03-04p3), LINEAR (May 12.31-35p5), Nazaret Obs. (May 12.96-97p3), Atlante Obs. (May 12.99-01p3), Malaga Obs. (May 13.96-00p3), Kiev Comet Station (May 14.91-92p4), and Vitebsk Obs. (May 14.91p1)
0057P 57P/duToit-Neujmin-Delporte from Mauna Kea (April 2.59-63p5 & 28.32-33p3) and Schiaparelli Obs. (May 3.92p1 & 4.00p1)
0046P 46P/Wirtanen from Moletai Obs. (April 24.84p2, 25.86-87p5 & 26.83p2), Ageo Obs. (April 29.57p2), Nazaret Obs. (May 12.87-89p4), and Monte Deva Obs. (May 15.91-92p3)
0026P 26P/Grigg-Skjellerup from Auckland Obs. (May 11.66p3), Monte Deva Obs. (May 12.04-05p3), and PJMSO (May 12.40-41p5)
0008P 8P/Tuttle from Auckland Obs. (May 14.44p3) and North Ryde Obs. (May 15.38-40p2)
0006P 6P/d'Arrest from Mauna Kea (April 25.57-58p3) and Nazaret Obs. (May 17.03-06p6)

MPEC 2008-K11 - "15:28 UT" - Comet C/2008 J6 (Hill)

CK08J060 C/2008 J6 (i=45.0°, q=2.006 AU, TP=2008 Apr. 11.512 TT) from the Mt. Lemmon Survey (MLS) (May 15.45-46p4), Ageo Obs. (May 15.75-76p3), GRO (May 16.36-39p10), Yatsuka Obs. (May 16.77-79p4), and RAS Mayhill (May 17.42-45p2)

MPEC 2008-K10 - "15:23 UT" - Comet P/2008 J2 (Beshore)

PK08J020 P/2008 J2 (Beshore) (q=2.440 AU, Q=4.435 AU, TP=2008 Apr. 8.848 TT) from Siegen Obs. (May 8.01-02p3 & 13.02p3), Hoher List Obs. (May 9.96-99p5 & 11.01-05p8), AAAA Buenos Aires Obs. (May 11.23-25p2), Altamira Obs. (May 13.14-15p3), Montcabre Obs. (May 13.91-92p3), Vallauris Obs. (May 13.97p1), Casasco Obs. (May 13.99-02p2), RAS Mayhill (May 14.28-32p2), North Ryde Obs. (May 14.47p1, 14.52p1, 15.49p2, 16.49p1 & 16.53p1), Yatsuka Obs. (May 14.57-58p3), Ageo Obs. (May 14.74p3), Moriyama Obs. (May 14.75-76p2 & 15.65-66p2), Stammersdorf Obs. (May 14.93-96p3), and Kiev Comet Station (May 14.94-95p5)

MPEC 2008-K09 - "15:16 UT" - Comet C/2008 J1 (Boattini)

CK08J010 C/2008 J1 (Boattini) (i=61.8°, q=1.727 AU, TP=2008 July 13.002 TT) from Siegen Obs. (May 6.07p3, 8.06-08p3 & 13.04-05p3), Modra Obs. (May 11.04p4), Nazaret Obs. (May 11.13-14p6), Auckland Obs. (May 11.65p4), Ageo Obs. (May 11.73p2), Monte Deva Obs. (May 12.06-07p5), PJMSO (May 12.40p5), and Moriyama Obs. (May 14.77-78p2)

MPEC 2008-K08 - "15:13 UT" - Comet C/2008 H1 (LINEAR)

CK08H010 C/2008 H1 (LINEAR) (i=75.5°, q=2.761 AU, Q=105.170 AU, TP=2008 Mar. 16.6358 TT) from Vitebsk Obs. (May 10.87-88p2), Modra Obs. (May 11.02p4), Remanzacco Obs. (May 11.85-91p3), Nazaret Obs. (May 13.01p3), Casasco Obs. (May 13.91p1 & 13.96p1), Kiev Comet Station (May 14.88-89p5), and Moriyama Obs. (May 15.55-56p2)

MPEC 2008-K07 - "15:09 UT" - Comet C/2008 G1 (Gibbs)

CK08G010 C/2008 G1 (Gibbs) (i=72.9°, q=3.990 AU, Q=746.945 AU, TP=2009 Jan. 12.0198 TT) from Chante-Perdrix Obs. (May 10.89p1), Modra Obs. (May 10.99-00p3), Nazaret Obs. (May 10.00-02p3), and CSS (May 13.25-27p4)

MPEC 2008-K06 - "15:03 UT" - Comet C/2008 E3 (Garradd)

CK08E030 C/2008 E3 (Garradd) (i=105.1°, q=5.531 AU, Q=5348.637 AU, TP=2008 Aug. 2.11797 TT) from SSS (May 4.70p1) and North Ryde Obs. (May 6.60p1, 8.59-62p2 & 14.56-59p2)

<< DOU on 17 May '08 >> MPEC 2008-K05 - "06:08 UT" - Daily Orbit Update

Observations of risk-listed objects
K08J24L 2008 JL24 (small asteroid, arc=5 days, H=29.6 ~4m) from the Spacewatch 1.8m telescope (May 16.25p3)
K08H04U 2008 HU4 (small asteroid, arc=16 days, H=28.3 ~7m) from Spacewatch 1.8m (May 16.30p2)
Observations of small asteroids (H>22.0)
K08J26S 2008 JS26 (arc=2 days, H=23.8 ~59m) from Spacewatch 1.8m (May 16.21p2)
K08J02V 2008 JV2 (arc=13 days, H=24.8 ~37m) from Spacewatch 1.8m (May 16.32-33p3)
K08J02U 2008 JU2 (arc=13 days, H=22.7 ~98m) from GRO (May 16.21-22p4)
Observations of other objects
K08J20N 2008 JN20 (arc=6 days, H=18.5 ~676m) from GRO (May 16.24-25p7)
K08J00J 2008 JJ (i=44.6°, arc=16 days, H=19.0 ~537m) from GRO (May 16.22-23p10)
K08E97Z 2008 EZ97 (arc=62 days, H=18.0 ~851m) from GRO (May 16.39-40p3)
K08E69C 2008 EC69 (Q=4.458 AU, arc=2 opp, H=17.2 ~1.23 km) from GRO (May 16.35p9)
K07X16H 2007 XH16 (arc=160 days, H=19.7 ~389m) from Spacewatch 1.8m (May 16.38-39p3)
K07M04C 2007 MC4 (arc=2 opp, H=21.1 ~204m) from Spacewatch 1.8m (May 16.39-40p3)
K06H29R 2006 HR29 (arc=3 opp, H=20.7 ~245m) from GRO (May 16.33-34p9)
K05W01D 2005 WD1 (i=43.1°, arc=3 opp, H=16.4 ~1.78 km) from SSS (May 16.60-63p3)

Observers on 17 May '08

A total of 44 observing facilities appear in today's MPECs.

Code	Observer / observatory
`834`	AAAA Buenos Aires Obs. in Argentina, 3 in MPECs 2008-K10 & 2008-K12 -- P/2008 J2, C/2007 W1, C/2007 G1
`349`	Ageo Obs. in Japan, 7 in MPECs 2008-K09, 2008-K10, 2008-K11 & 2008-K12 -- C/2008 J6, P/2008 J2, C/2008 J1, C/2007 B2, C/2005 L3, 70P, 46P
`J24`	Altamira Obs., 7 in MPECs 2008-K10 & 2008-K12 -- P/2008 J2, C/2007 G1, C/2007 B2, C/2005 L3, C/2002 VQ94, 187P, 68P
`J51`	Atlante Obs. in the Canary Islands, 5 in MPEC 2008-K12 -- P/2008 G2, C/2007 B2, C/2005 L3, C/2002 VQ94, 68P
`467`	Auckland Obs. in New Zealand, 6 in MPECs 2008-K09 & 2008-K12 -- C/2008 J1, C/2007 W1, C/2006 Q1, C/2006 K4, 26P, 8P
`215`	Buchloe Obs. in Germany, 1 in MPEC 2008-K12 -- C/2008 C1
`235`	CAST Obs. in Italy, 5 in MPEC 2008-K12 -- C/2007 W3, C/2007 B2, C/2006 Q1, C/2005 L3, 187P
`B20`	Carmelita Obs. in Spain, 1 in MPEC 2008-K12 -- C/2007 B2
`B66`	Casasco Obs., 2 in MPECs 2008-K08 & 2008-K10 -- P/2008 J2, C/2008 H1
`703`	Catalina Sky Survey (CSS) in Arizona, 4 in MPECs 2008-K07 & 2008-K12 -- P/2008 G2, C/2008 G1, C/2007 M3, C/2005 L3
`A77`	Chante-Perdrix Obs. in France, 1 in MPEC 2008-K07 -- C/2008 G1
`E85`	Farm Cove Obs., 3 in MPEC 2008-K12 -- C/2008 C1, C/2007 M3, C/2007 B2
`H51`	Greiner Research Obs. (GRO) in Wisconsin, 8 in MPECs 2008-K05, 2008-K11 & 2008-K12 -- 2008 JU2, 2008 JN20, 2008 JJ, C/2008 J6, 2008 EZ97, 2008 EC69, C/2007 G1, 2006 HR29
`458`	Guadarrama Obs. in Spain, 1 in MPEC 2008-K12 -- C/2005 L3
`017`	Hoher List Obs. in Belgium, 1 in MPEC 2008-K10 -- P/2008 J2
`987`	Isle of Man Obs. on the Isle of Man, 1 in MPEC 2008-K12 -- C/2007 B2
`415`	Kambah Obs. in the Australian Capital Territory, 1 in MPEC 2008-K12 -- 186P
`585`	Kiev Comet Station in the Ukraine, 4 in MPECs 2008-K08, 2008-K10 & 2008-K12 -- P/2008 J2, C/2008 H1, C/2007 G1, 68P
`704`	LINEAR in New Mexico, 4 in MPEC 2008-K12 -- C/2007 M3, C/2007 G1, 187P, 68P
`J40`	Malaga Obs. in Spain, 2 in MPEC 2008-K12 -- C/2007 G1, 68P
`568`	Mauna Kea in Hawaii, 2 in MPEC 2008-K12 -- 57P, 6P
`118`	Modra Obs. in Slovakia, 3 in MPECs 2008-K07, 2008-K08 & 2008-K09 -- C/2008 J1, C/2008 H1, C/2008 G1
`152`	Moletai Obs. in Lithuania, 2 in MPEC 2008-K12 -- C/2008 C1, 46P
`213`	Montcabre Obs. in Spain, 1 in MPEC 2008-K10 -- P/2008 J2
`945`	Monte Deva Obs. in Spain, 7 in MPECs 2008-K09 & 2008-K12 -- C/2008 J1, C/2007 G1, C/2007 B2, C/2006 Q1, C/2005 L3, 46P, 26P
`900`	Moriyama Obs. in Japan, 8 in MPECs 2008-K08, 2008-K09, 2008-K10 & 2008-K12 -- P/2008 J2, C/2008 J1, C/2008 H1, C/2007 W1, C/2007 G1, C/2006 Q1, C/2005 L3, 187P
`474`	Mt. John Obs. in New Zealand, 2 in MPEC 2008-K12 -- C/2006 V1, 186P
`G96`	Mt. Lemmon Survey in Arizona, 1 in MPEC 2008-K11 -- C/2008 J6
`J47`	Nazaret Obs. in Spain, 11 in MPECs 2008-K07, 2008-K08, 2008-K09 & 2008-K12 -- C/2008 J1, C/2008 H1, C/2008 G1, C/2007 W1, C/2006 Q1, C/2005 L3, C/2002 VQ94, 187P, 68P, 46P, 6P
`423`	North Ryde Obs. in New South Wales, 10 in MPECs 2008-K06, 2008-K10 & 2008-K12 -- P/2008 J2, C/2008 E3, C/2008 A1, C/2007 W1, C/2006 V1, C/2006 Q1, C/2006 K4, 186P, 68P, 8P
`224`	Ottmarsheim Obs. in France, 1 in MPEC 2008-K12 -- 70P
`H45`	Petit Jean Mtn. South Obs. (PJMSO) in Arkansas, 3 in MPECs 2008-K09 & 2008-K12 -- C/2008 J1, C/2007 W3, 26P
`H06`	RAS Obs. Mayhill in New Mexico, 4 in MPECs 2008-K10, 2008-K11 & 2008-K12 -- C/2008 J6, P/2008 J2, C/2007 G1, C/2005 L3
`473`	Remanzacco Obs. in Italy, 1 in MPEC 2008-K08 -- C/2008 H1
`204`	Schiaparelli Obs. in Italy, 1 in MPEC 2008-K12 -- 57P
`E12`	Siding Spring Survey (SSS) in New South Wales, 6 in MPECs 2008-K05, 2008-K06 & 2008-K12 -- C/2008 E3, C/2008 A1, C/2006 V1, C/2006 Q1, C/2006 K4, 2005 WD1
`510`	Siegen Obs. in Germany, 5 in MPECs 2008-K09, 2008-K10 & 2008-K12 -- P/2008 J2, C/2008 J1, C/2007 G1, C/2007 B2, C/2005 L3
`291`	Spacewatch 1.8m telescope in Arizona, 6 in MPEC 2008-K05 -- 2008 JV2, 2008 JS26, 2008 JL24, 2008 HU4, 2007 XH16, 2007 MC4
`A97`	Stammersdorf Obs. in Austria, 1 in MPEC 2008-K10 -- P/2008 J2
`629`	Szeged Obs. in Hungary, 2 in MPEC 2008-K12 -- C/2005 L3, C/2002 VQ94
`B51`	Vallauris Obs. in France, 1 in MPEC 2008-K10 -- P/2008 J2
`H47`	Vicksburg Obs. in Mississippi, 6 in MPEC 2008-K12 -- C/2007 W1, C/2007 G1, C/2007 B2, C/2006 Q1, C/2005 L3, C/2002 VQ94
`B42`	Vitebsk Obs. in Belarus, 5 in MPECs 2008-K08 & 2008-K12 -- C/2008 H1, P/2008 G2, C/2005 L3, 187P, 68P
`367`	Yatsuka Obs., 6 in MPECs 2008-K10, 2008-K11 & 2008-K12 -- C/2008 J6, P/2008 J2, C/2007 W1, C/2007 G1, C/2006 Q1, C/2005 L3

For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring on 17 May '08

**Summary Risk Table for Risk Assessments Updated Today** (last checks: NEODyS and JPL at 2337 UTC)
See the CRT page for a list of all objects rated recently as risks and our ephemerides page for a list of risk-listed objects under current observation.
Note that the time horizon for JPL is 100 years from today and for NEODyS is usually the year 2090.
For the latest official risk assessments, and for explanations of the terminology, see the JPL NEO Program Sentry and NEODyS CLOMON (backup) risk pages.
0000NNN000 Object	Risk Monitor	When Noted UTC	0000T0000 Year Range	VI #	000NN00 Prob Cum	T0000 PS Cum	T0000 PS Max	T S	Notes for Today's Latest Risk Assessments

2008 JD33	NEODyS	1507	2012-2090	96	9.84e-07	-7.49	-7.87	0	NEODyS: "Based on 14 optical observations (of which 1 are rejected as outliers) from 2008/05/15.288 to 2008/05/15.399."

2008 JL24	JPL Sentry	1506	2091	1	3.8e-07	-9.06	-9.06	0	JPL: "Analysis based on 84 observations spanning 5.0008 days (2008-May-11.25353 to 2008-May-16.25433)." Diameter approximately 0.004 km. from mean, weighted H=29.6.

2008 HU4	NEODyS	1507	2056-2089	22	1.91e-04	-5.76	-6.09	0	NEODyS: "Based on 47 optical observations (of which 0 are rejected as outliers) from 2008/04/30.325 to 2008/05/16.304."
2008 HU4	JPL Sentry	1506	2077-2086	11	2.0e-04	-5.73	-6.11	0	JPL: "Analysis based on 47 observations spanning 15.979 days (2008-Apr-30.32444 to 2008-May-16.30357)." Diameter approximately 0.007 km. from mean, weighted H=28.3.

Legend: VI# = VI count, Prob Cum = cumulative probability, PS Cum/Max = cumulative/maximum Palermo Scale, TS = Torino Scale

An impact solution, also known as a "virtual impactor" (VI), is not a prediction but rather a possibility derived from a variant orbit calculation that cannot be eliminated yet based on the existing data. Elimination can come quickly with just a little further observation or may take weeks or months, sometimes years. Once superceded or eliminated, a former impact solution has zero relevance to an object's risk. See Jon Giorgini's "Understanding Risk Pages" to learn more.

Chronology on 17 May '08

Times are UTC for when items were noted or added by The Tracking News.

1715	Grabbed MPEC 2008-K06 - Comet C/2008 E3 (Garradd) - see above Grabbed MPEC 2008-K07 - Comet C/2008 G1 (Gibbs) - see above Grabbed MPEC 2008-K08 - Comet C/2008 H1 (LINEAR) - see above Grabbed MPEC 2008-K09 - Comet C/2008 J1 (Boattini) - see above Grabbed MPEC 2008-K10 - Comet P/2008 J2 (Beshore) - see above Grabbed MPEC 2008-K11 - Comet C/2008 J6 (Hill) - see above Grabbed MPEC 2008-K12 - Observations of Comets - see above
1507	Noted that NEODyS has updated its 2008 HU4 risk assessment - see above
1506	Noted that JPL Sentry has updated its 2008 HU4 risk assessment - see above Noted that NEODyS has posted 2008 JD33 as an impact risk - see above Noted that JPL Sentry has updated its 2008 JL24 risk assessment - see above Grabbed MPEC 2008-K05 - Daily Orbit Update - see above

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