EBN Sept. '09 timeline

<10	=	less than 10 LD from Earth	EBN Timeline for September 2009
<HS	=	inside Earth's Hill sphere
M<1	=	less than 1 LD from the Moon
E<1	=	less than 1 LD from Earth (intruder)
LD = lunar distance = distance between Earth & Moon

30 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
2128	2009 TB within one LD of Moon	6	3	1	1	2320	2009 TB closest Earth approach = 0.20 LD - Note: JPL reports an approach uncertainty of 3 hours and 23 minutes.
1406	2009 TB enters Earth-Moon system	6	3	0	1	1344	2009 SH2 closest Earth approach = 2.84 LD - Note: JPL reports an approach to 7.1 LD at 0539 UTC with an uncertainty of 2 minutes.
						1143	2009 SN103 last observed optically, by Tenagra II Obs. at 3.06 LD outbound, R=20.6 reported, elon. 61.7°
29 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
1029	2009 TB enters Earth's Hill sphere	6	3	0	0	1843	152664 1998 FW4 closest Earth approach = 8.63 LD
0734	2009 SU104 enters 10-LD bubble	6	2	0	0
28 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
2012	2009 TD17 enters 10-LD bubble	5	2	0	0	1151	2009 SC170 last observed optically, by MLS at 10.15 LD outbound, V=22.0 reported
1245	152664 1998 FW4 enters 10-LD bubble	4	2	0	0	0829	2009 SW171 discovered by Spacewatch 0.9m at 17.41 LD outbound, V=20.9 reported, elon. 157.7°
0843	2009 SC170 exits 10-LD bubble	3	2	0	0	0611	2007 RQ17 last observed optically, by MLS at 85.22 LD outbound, V=20.2 reported
						0524	2009 SN103 closest Earth approach = 1.21 LD
27 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
2032	2009 SH2 enters Earth's Hill sphere	4	2	0	0	1803	2009 SN103 closest lunar approach = 1.91 LD
0022	2009 TB enters 10-LD bubble	4	1	0	0	1023	2009 SC170 discovered by MLS at 8.95 LD outbound, V=20.7 reported, elon. 144.4°
						0844	2009 SP104 last observed optically, by MLS at 21.65 LD outbound, V=21.0 reported
						0624	2009 SU104 discovered by CSS at 17.80 LD inbound, V=19.4 reported, elon. 166.2°
26 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
1935	2009 SJ exits 10-LD bubble	3	1	0	0	2225	152664 1998 FW4 last observed optically, by North Obs. at 14.38 LD inbound, C=14.1 reported
						0651	2009 SP104 discovered by MLS at 17.55 LD outbound, V=20.5 reported, elon. 168.7°
25 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
0553	2009 SN103 enters Earth's Hill sphere	4	1	0	0	0759	2009 SD15 last observed optically, by MRO at 37.49 LD outbound, R=21.8 reported
0004	2009 SH15 exits 10-LD bubble	4	0	0	0	0732	2009 RU1 last observed optically, by Spacewatch 1.8m at 60.43 LD outbound, V=21.7 reported
						0648	2009 SN103 discovered by CSS at 3.85 LD inbound, V=18.6 reported, elon. 152.1°
						0330	2009 SH15 last observed optically, by Great Shefford Obs. at 10.14 LD outbound, R=18.4 reported
						0320	2009 SK15 last observed optically, by Great Shefford Obs. at 10.64 LD outbound, R=19.2 reported
24 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
1538	2009 SK15 exits 10-LD bubble	5	0	0	0	1331	2009 SA100 discovered by SSS at 21.66 LD outbound, V=18.7 reported, elon. 143.0°
0607	2009 SP104 exits 10-LD bubble	6	0	0	0	0706	2009 SM98 discovered by CSS at 51.37 LD outbound, V=18.9 reported, elon. 160.2°
						0552	2009 SM98 observed first, by CSS at 51.14 LD outbound, V=18.4 reported
23 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
1747	2009 RG2 exits 10-LD bubble	7	0	0	0	2021	2009 SJ closest Earth approach = 8.29 LD - Note: JPL reports an approach uncertainty of 3 hours and 23 minutes.
22 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
0701	2009 SP104 exits Earth's Hill sphere	8	0	0	0	1220	2009 SH15 closest Earth approach = 8.74 LD
21 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
0743	2009 SP104 enters Earth's Hill sphere	8	1	0	0	1922	2009 SP104 closest Earth approach = 3.42 LD - Note: JPL reports an approach uncertainty of 49 minutes.
						0807	2009 SK15 closest Earth approach = 7.61 LD
						0701	2009 SC170 closest Earth approach = 4.42 LD - Note: JPL reports an approach uncertainty of 26 minutes.
						0105	2009 RG2 closest Earth approach = 9.09 LD
20 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
2138	2009 SJ enters 10-LD bubble	8	0	0	0	0657	2009 SK15 discovered by LINEAR at 7.89 LD inbound, mag 18.4 reported, elon. 131.1°
1806	2009 SH2 enters 10-LD bubble	7	0	0	0	0534	2009 SH15 discovered by LINEAR at 9.82 LD inbound, mag 17.5 reported, elon. 162.5°
1357	2009 SH1 exits 10-LD bubble	6	0	0	0	0017	2009 RG2 last observed optically, by Schiaparelli Obs. at 9.23 LD inbound, C=18.3 reported
0523	2009 SN103 enters 10-LD bubble	7	0	0	0
0052	2009 SH15 enters 10-LD bubble	6	0	0	0
19 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
1606	2009 RR exits 10-LD bubble	5	0	0	0	0603	2009 SD last observed optically, by Spacewatch 1.8m at 45.89 LD outbound, V=21.54 calculated
0835	2009 SP104 enters 10-LD bubble	6	0	0	0	0548	2009 SD15 discovered by MLS at 18.56 LD outbound, V=21.6 reported, elon. 175.7°
18 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
0857	2009 RG2 enters 10-LD bubble	5	0	0	0	1822	2009 SH2 discovered by SSS at 11.87 LD inbound, V=18.8 reported, elon. 122.0°
0040	2009 SK15 enters 10-LD bubble	4	0	0	0	1228	2009 RY3 last observed optically, by SSS at 31.31 LD outbound, R=20.2 reported
						0922	2009 SH1 last observed optically, by MLS at 6.63 LD outbound, V=21.09 calculated
						0725	2009 SW1 discovered by CSS at 34.39 LD outbound, V=20.1 reported, elon. 141.2°
						0504	2009 SH1 discovered by MLS at 6.37 LD outbound, V=21.1 reported, elon. 172.7°
17 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
0726	2009 SA100 exits 10-LD bubble	3	0	0	0	1224	2009 SJ last observed optically, by Miles/Faulkes North at 14.64 LD inbound, R=19.1 reported
0629	2009 RR exits Earth's Hill sphere	4	0	0	0	0634	2009 SJ discovered by CSS at 15.03 LD inbound, V=19.5 reported, elon. 162.6°
16 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
1041	2009 SH1 exits Earth's Hill sphere	4	1	0	0	0756	2009 RR closest Earth approach = 2.80 LD
0124	2009 SD15 exits 10-LD bubble	4	2	0	0	0649	2009 SD discovered by MLS at 35.31 LD outbound, V=20.9 reported, elon. 172.3°
						0502	2009 QC23 last observed optically, by Spacewatch 1.8m at 57.19 LD outbound, V=21.3 reported
15 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
0923	2009 RR enters Earth's Hill sphere	5	2	0	0	1042	2009 QH34 last observed optically, by Spacewatch 1.8m at 27.52 LD outbound, V=22.03 calculated, elon. 94.1°
0845	2009 SW171 exits 10-LD bubble	5	1	0	0	0919	2009 SA100 closest Earth approach = 9.13 LD
						0134	2009 RR last observed optically, by ARO at 4.59 LD inbound, V=18.1 reported
14 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
0335	2009 SC170 enters 10-LD bubble	6	1	0	0	1224	2009 SH1 closest Earth approach = 2.38 LD - Note: JPL reports an approach uncertainty of 2 hours and 20 minutes.
13 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
1929	2009 RY3 exits 10-LD bubble	5	1	0	0	1937	2009 SD15 closest Earth approach = 7.08 LD
1928	2009 SM98 exits 10-LD bubble	6	1	0	0	1642	2009 RY3 discovered by SSS at 9.48 LD outbound, V=17.9 reported, elon. 146.4°
1113	2009 SA100 enters 10-LD bubble	7	1	0	0	1634	2009 RY3 observed first, by SSS at 9.46 LD outbound, V=17.8 reported
						0535	2009 RG2 discovered by LINEAR at 15.29 LD inbound, mag 19.5 reported, elon. 172.1°
12 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
2345	2009 RR enters 10-LD bubble	6	1	0	0	2233	2009 SM98 closest Earth approach = 9.24 LD
1403	2009 SH1 enters Earth's Hill sphere	5	1	0	0	0648	2009 RU1 discovered by CSS at 26.90 LD outbound, V=19.1 reported, elon. 166.1°
0930	2009 RY3 exits Earth's Hill sphere	5	0	0	0	0405	2009 SW171 closest Earth approach = 9.61 LD
0138	2009 SM98 enters 10-LD bubble	5	1	0	0
11 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
1344	2009 SD15 enters 10-LD bubble	4	1	0	0	1540	2009 RY3 closest Earth approach = 1.94 LD
						1405	2009 RY3 closest lunar approach = 2.10 LD
						0616	2006 VV2 last observed optically, by ARO at 961.99 LD outbound, V=21.7 reported
						0422	2009 RR discovered by CSS at 15.07 LD inbound, V=19.5 reported, elon. 158.3°
10 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1
2150	2009 RY3 enters Earth's Hill sphere	3	1	0	0
9 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1
1149	2009 RY3 enters 10-LD bubble	3	0	0	0
8 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1
2248	2009 SD exits 10-LD bubble	2	0	0	0
2227	2009 SW171 enters 10-LD bubble	3	0	0	0
1016	2009 SH1 enters 10-LD bubble	2	0	0	0
7 Sept. 2009
						UTC	Events
						1111	2009 CV last observed optically, by Tholen team/Mauna Kea at 87.02 LD outbound, R=22.3 reported
6 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
2222	2009 SD exits Earth's Hill sphere	1	0	0	0	0424	2009 SD closest Earth approach = 2.91 LD - Note: JPL reports an approach uncertainty of 33 minutes.
1625	2009 QC35 exits 10-LD bubble	1	1	0	0
5 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1
2127	2009 SW1 exits 10-LD bubble	2	1	0	0
1027	2009 SD enters Earth's Hill sphere	3	1	0	0
4 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
2210	2009 QH34 exits 10-LD bubble	3	0	0	0	1924	2009 SW1 closest Earth approach = 9.64 LD
1954	2009 RU1 exits 10-LD bubble	4	0	0	0
3 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1
1725	2009 SW1 enters 10-LD bubble	5	0	0	0
1443	2009 QC35 exits Earth's Hill sphere	4	0	0	0
1004	2009 SD enters 10-LD bubble	4	1	0	0
2 Sept. 2009
						UTC	Events
						1136	2009 QC35 closest Earth approach = 2.92 LD
						0706	2009 QC35 last observed optically, by ARO at 2.95 LD inbound, V=17.3 reported
1 Sept. 2009
UTC	Boundary Transitions	<10	<HS	M<1	E<1		Events
2050	2009 QK9 exits 10-LD bubble	3	1	0	0	1200	2009 RU1 closest Earth approach = 5.97 LD
0829	2009 QC35 enters Earth's Hill sphere	4	1	0	0

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EBN Timeline for September 2009