MPC Ephemerides for Objects Passing Within Ten Lunar Distances
Note: As a convenience to NEO observers, this form obtains formatted data
      from the IAU Minor Planet Center, which is not associated with A/CC.
Active list dated as of 1559 UTC on 19 August 2018
ObjectDistance LDVisibility todayEarth closest LDMoon closest LDNotes
2018 QE3.01-2.79V=18.9-18.6, el.=137.1-153.8°2.79 @ 0317 Aug. 20risk
2018 PY2317.73-23.38V=42.0-39.0, el.=6.8-8.7°1.32 @ 2049 Aug. 150.52 @ 2319 Aug. 15Moon buzzer
2018 PU237.98-7.91V=20.7-20.6, el.=161.7-164.8°7.80 @ 2053 Aug. 23risk, NHATS target
2018 PT239.38-12.43V=26.0-24.0, el.=26.4-33.8°5.57 @ 2106 Aug. 16
2018 PO228.98-9.73V=17.1, el.=117.5-123.2°8.84 @ 0842 Aug. 18
2018 PN228.16-8.52V=20.7-20.6, el.=138.0-138.6°6.21 @ 0817 Aug. 9NHATS target
2018 PZ2121.04-22.32V=22.0-21.9, el.=143.6-145.2°6.84 @ 2049 Aug. 3risk, NHATS target
2018 PO2020.20-21.67V=22.0-21.8, el.=138.8-139.7°7.55 @ 0105 Aug. 7NHATS target
2018 PM209.16-10.29V=21.4-20.8, el.=97.4-105.9°8.02 @ 1910 Aug. 16
2018 PK207.88-8.19V=19.8-19.4, el.=113.5-125.5°7.86 @ 1810 Aug. 18NHATS target
2018 PD2020.89-23.40V=22.6-22.4, el.=151.1-151.4°0.09 @ 1430 Aug. 100.46 @ 0716 Aug. 10intruder
2018 PM1015.08-16.78V=22.9-22.6, el.=100.7-101.3°3.21 @ 1416 Aug. 10
2018 PD925.80-27.29V=22.4-22.3, el.=172.9°5.31 @ 0909 Aug. 1NHATS target
2018 PY7*36.6*V=23.4, el.=138.2°1.07 @ 2102 Aug. 30.71 @ 0105 Aug. 4Moon buzzer, risk
2018 PR712.49-13.47V=22.6-22.4, el.=151.1-151.7°1.36 @ 0158 Aug. 61.85 @ 2012 Aug. 5risk, NHATS target
2018 LQ29.81-9.72V=18.8, el.=125.5-126.8°9.36 @ 2135 Aug. 27NHATS target
1998 SD925.22-22.83V=25.0, el.=38.1-39.0°4.22 @ 0726 Aug. 29
Distance         - distances from Earth in lunar distances (LD) at 0000 and 2359 today
Visibility today - if available, JPL geocentric apparent magnitude and solar elongation - shows min-max, not trend
                   (note that JPL Horizons provides nil V magnitude for elongation < 60°)
Earth closest    - Earth passage distance at best date-time calculation UTC
Moon closest     - lunar passage, calculated only if Earth passage is under 2.26 LD

*MPC MPES data for 0600 UTC, Aug. 20th.
 Other numbers are for 0000-2359 today UTC, processed by A/CC from JPL SSD Horizons data.

Start date for ephemerides: Number of dates to output
Ephemeris interval: Ephemeris units: days hours minutes seconds
For daily ephemerides, enter desired offset from 0h UT: hours
Observatory code:
Display positions in: truncated sexagesimal or full sexagesimal or decimal units

Total motion & direction Separate R.A. & Decl. sky motions Separate R.A. & Decl. coordinate motions
Display motions as: "/sec "/min "/hr °/day

Suppress output   if sun above local horizon   if object below local horizon
Generate perturbed ephemerides for unperturbed orbits
Also display elements for epoch

Format for elements output:
none MPC 1-line MPC 8-line
SkyMap (SkyMap Software) Guide (Project Pluto) MegaStar V4.x (E.L.B. Software)
TheSky (Software Bisque)

If you select 8-line MPC format, you may display the residual block for the objects selected:
Show residuals blocks.Show only residual lines containing observations from code . If you select 8-line MPC format the elements will be displayed with the ephemerides. If you select any format other than 8-line MPC format, only the elements are returned. In such cases your browser should download the elements file and save it to your local disk.