<10=less than 10 LD from Earth

EBN Timeline for December 2010

<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

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31 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1
07502011 AE3 enters Earth's Hill sphere5100
30 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
20552010 XN69 exits 10-LD bubble500016372011 AN37 closest Earth approach = 8.87 LD - Note: JPL reports an approach uncertainty of 2 hours and 49 minutes.
15452011 AD3 exits 10-LD bubble6000
14242011 AM37 enters 10-LD bubble7000
29 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
23572010 YD enters 10-LD bubble600012522011 AD3 closest Earth approach = 9.45 LD - Note: JPL reports an approach uncertainty of 21 hours and 36 minutes.
02082010 YS exits 10-LD bubble500008192010 YS observed first, by CSS at 10.50 LD, V=16.0 reported, elon. 126.6°
28 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1
19352010 YO exits 10-LD bubble6000
13032010 XO69 exits 10-LD bubble7000
09562011 AD3 enters 10-LD bubble8000
27 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
11292011 AN37 enters 10-LD bubble700004562010 YO observed first, by MPC Code 704 at 4.86 LD, mag 17.0 reported, elon. 140.8°
26 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
21062010 YO exits Earth's Hill sphere600013422010 YS closest Earth approach = 7.22 LD
04482010 XF64 exits 10-LD bubble6100
25 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
16022011 AE3 enters 10-LD bubble710022422010 XN69 closest Earth approach = 4.32 LD - Note: JPL reports an approach uncertainty of 3 hours and 19 minutes.
21092010 YO closest Earth approach = 2.02 LD
18372010 YO closest lunar approach = 1.23 LD
08562010 YD observed first, by MLS at 18.59 LD, V=20.7 reported, elon. 171.7°
24 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1
21132010 YO enters Earth's Hill sphere6100
05302010 XO69 exits Earth's Hill sphere6000
01142010 YS enters 10-LD bubble6100
22 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
22392010 YO enters 10-LD bubble510012442010 XO69 closest Earth approach = 2.80 LD - Note: JPL reports an approach uncertainty of 4 hours and 54 minutes.
21 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1
01192010 XN69 enters 10-LD bubble4100
20 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1
19552010 XO69 enters Earth's Hill sphere3100
05502010 XM56 exits 10-LD bubble3000
19 Dec. 2010
UTCEvents
09432010 XZ58 last observed optically, by ARO Westfield at 24.99 LD outbound, V=19.1 reported
18 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
19142010 WA9 exits 10-LD bubble400009282010 XF64 closest Earth approach = 6.02 LD - Note: JPL reports an approach uncertainty of 5 hours and 48 minutes.
09282010 XM56 exits Earth's Hill sphere5000
17 Dec. 2010
UTCEvents
09112010 XM56 closest Earth approach = 1.74 LD
05192010 XM56 closest lunar approach = 2.47 LD
04442010 XM56 last observed optically, by MPC Code J95 at 1.85 LD inbound, R=14.9 reported
16 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
15382010 XA24 exits 10-LD bubble510022072010 XR69 last observed optically, by MPC Code J95 at 17.89 LD outbound, R=19.5 reported
11512010 XO69 enters 10-LD bubble610003152010 XN69 last observed optically, by MLS at 18.68 LD inbound, V=20.8 reported
08542010 XM56 enters Earth's Hill sphere510003102010 XO69 last observed optically, by MLS at 10.56 LD inbound, V=20.2 reported
15 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
15162010 VQ98 exits 10-LD bubble500006322010 XO69 observed first, by MLS at 11.89 LD, V=20.0 reported, elon. 159.9°
05392010 XN69 observed first, by MLS at 20.33 LD, V=21.0 reported, elon. 156.1°
14 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
23252010 WA9 exits Earth's Hill sphere600007042010 XA25 last observed optically, by ARO Westfield at 13.45 LD outbound, V=21.1 reported
12322010 XM56 enters 10-LD bubble610006082010 XR69 observed first, by MPC Code 704 at 11.39 LD, mag 19.3 reported, elon. 152.6°
05202010 XF64 last observed optically, by MRO at 7.38 LD inbound, R=19.5 reported
02202010 XF64 observed first, by MLS at 7.45 LD, V=19.2 reported, elon. 138.7°
13 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
16452010 XZ58 exits 10-LD bubble510012322010 WA9 closest Earth approach = 2.87 LD
08292010 XR69 exits 10-LD bubble610010382010 XZ58 observed first, by CSS at 9.42 LD, V=17.8 reported, elon. 128.3°
08042010 XC exits 10-LD bubble710009502010 XA24 closest Earth approach = 5.50 LD
12 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
07082010 XT10 exits 10-LD bubble810006122010 XR69 closest Earth approach = 9.34 LD
03132010 XA25 exits 10-LD bubble910004112010 XA24 last observed optically, by MPC Code 204 at 6.36 LD inbound, R=17.1 reported
01372010 WA9 enters Earth's Hill sphere10100
11 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
03532010 XR69 enters 10-LD bubble1000011222010 XW58 observed first, by MLS at 21.60 LD, V=21.4 reported, elon. 96.3°
06272010 XT10 last observed optically, by CSS at 9.09 LD outbound, V=19.6 reported
00402010 XS45 last observed optically, by MPC Code 204 at 15.29 LD outbound, R=20.3 reported
10 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
13332010 XF64 enters 10-LD bubble900023082010 WA9 last observed optically, by MPC Code 204 at 5.44 LD inbound, R=17.3 reported
04152010 XA24 enters 10-LD bubble800019502010 XZ58 closest Earth approach = 5.81 LD
10292010 XX last observed optically, by MLS at 17.67 LD outbound, V=21.7 reported
06212010 XM56 observed first, by MPC Code 704 at 24.65 LD, mag 19.5 reported, elon. 159.8°
9 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
21012010 XU10 exits 10-LD bubble700007502010 VQ98 last observed optically, by ARO Westfield at 8.39 LD outbound, V=21.6 reported
03212010 XS45 exits 10-LD bubble800003092010 WS last observed optically, by Spacewatch 1.8m at 52.38 LD outbound, V=21.9 reported
02062010 XA11 last observed optically, by ARO Westfield at 18.69 LD outbound, V=21.1 reported
8 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
05322010 WA9 enters 10-LD bubble900006462010 XA25 observed first, by CSS at 5.06 LD, V=17.1 reported, elon. 164.8°
00462008 KT exits 10-LD bubble800006212010 XR last observed optically, by ARO Westfield at 36.85 LD outbound, V=22.6 reported
04422010 XS45 observed first, by MPC Code 704 at 7.46 LD, mag 19.3 reported, elon. 164.8°
7 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
22492010 XZ58 enters 10-LD bubble900006132010 XA24 received designation via CSS at 16.86 LD inbound, V=18.8 reported, elon. 168.0°
06092010 XA24 observed first, by MPC Code 704 at 16.87 LD inbound, mag 19.2 reported, elon. 168.0°
6 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
15202010 XO exits 10-LD bubble800022312010 XA25 closest Earth approach = 4.51 LD
15142010 XS45 exits Earth's Hill sphere900002572010 XU10 last observed optically, by ARO Westfield at 8.27 LD outbound, V=21.0 reported
06092010 XX exits 10-LD bubble9100
5 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
17132010 XA11 exits 10-LD bubble1010020382010 XS45 closest Earth approach = 3.18 LD
02012010 XS45 enters Earth's Hill sphere1110020382010 XC closest Earth approach = 4.47 LD - Note: JPL reports an approach uncertainty of 8 hours and 25 minutes.
03542010 XT10 closest Earth approach = 5.97 LD
4 Dec. 2010
UTCEvents
05282010 XO closest Earth approach = 9.56 LD - Note: JPL reports an approach uncertainty of 5 hours and 52 minutes.
05052010 XA11 observed first, by CSS at 6.30 LD, V=18.8 reported, elon. 131.3°
05022010 XT10 observed first, by CSS at 6.06 LD, V=19.1 reported, elon. 132.0°
3 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
02262010 XA11 exits Earth's Hill sphere1100011352010 VW194 last observed optically, by Spacewatch 1.8m at 33.71 LD outbound, V=22.50 calculated
00352010 XB exits 10-LD bubble1110003052010 XU10 observed first, by MLS at 7.12 LD, V=20.1 reported, elon. 141.2°
2 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
13462010 XS45 enters 10-LD bubble1210008262010 XR observed first, by MLS at 10.72 LD, V=19.7 reported, elon. 170.1°
04302010 XR exits 10-LD bubble1110007422010 WC1 last observed optically, by Spacewatch 1.8m at 17.29 LD outbound, V=22.1 reported
07282010 XO last observed optically, by MLS at 9.84 LD inbound, V=19.9 reported
06252010 XB last observed optically, by ARO Westfield at 6.67 LD outbound, V=21.7 reported
06242010 XX observed first, by MPC Code 704 at 4.09 LD, mag 18.4 reported, elon. 176.1°
03022010 XO observed first, by MLS at 9.89 LD, V=20.1 reported, elon. 120.1°
01102010 XA11 closest Earth approach = 2.74 LD
1 Dec. 2010
UTCBoundary Transitions<10<HSM<1E<1Events
23232010 XX exits Earth's Hill sphere1210009092010 XX closest Earth approach = 3.72 LD
19192010 XO enters 10-LD bubble1220008452010 XC last observed optically, by MLS at 7.05 LD inbound, V=20.2 reported
16382010 XA25 enters 10-LD bubble1120008172010 XB observed first, by MLS at 2.61 LD, V=18.5 reported, elon. 179.2°
15152010 XB exits Earth's Hill sphere1020007212010 XC observed first, by MLS at 7.11 LD, V=20.4 reported, elon. 179.0°

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