|
| 31 May 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 2038 | 2011 MD enters 10-LD bubble | 4 | 1 | 0 | 1 | 1341 | 2009 BD closest lunar approach = 1.47 LD |
| 1913 | 2009 BD enters Earth-Moon system | 3 | 1 | 0 | 1 | 0704 | 2011 KV15 last observed optically, by Holmes/CTIO at 15.46 LD inbound, V=20.3 reported |
|
| 30 May 2011 |
| UTC | Events |
|
| 1223 | 2011 LZ2 closest Earth approach = 6.31 LD |
| 0640 | 2011 KN17 observed first, by LINEAR at 23.77 LD, mag 17.6 reported, elon. 166.0° |
|
| 29 May 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 1122 | 2011 KE15 enters 10-LD bubble | 3 | 1 | 0 | 0 |
|
| 28 May 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 0241 | 2011 KG13 exits 10-LD bubble | 2 | 1 | 0 | 0 | 0056 | 2011 KG13 last observed optically, by Schiaparelli Obs. at 9.80 LD outbound, V=18.53 calculated |
|
| 27 May 2011 |
| UTC | Events |
|
| 0833 | 2011 KG13 observed first, by CSS at 7.93 LD, V=18.0 reported, elon. 165.4° |
| 0633 | 2011 KY15 observed first, by LINEAR at 11.07 LD, mag 18.3 reported, elon. 143.3° |
|
| 26 May 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1707 | 2011 KY15 exits 10-LD bubble | 3 | 1 | 0 | 0 | 0628 | 2011 KV15 observed first, by MLS at 26.17 LD, V=21.4 reported, elon. 160.6° |
| 0806 | 2011 KN17 exits 10-LD bubble | 4 | 1 | 0 | 0 | 0616 | 2011 KE15 observed first, by MLS at 15.68 LD, V=21.1 reported, elon. 161.8° |
|
| 25 May 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 1527 | 2011 KG13 exits Earth's Hill sphere | 5 | 1 | 0 | 0 |
|
| 24 May 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 2338 | 2011 LZ2 enters 10-LD bubble | 5 | 2 | 0 | 0 | 2102 | 2011 KG13 closest Earth approach = 3.18 LD |
| 0236 | 2011 KG13 enters Earth's Hill sphere | 4 | 2 | 0 | 0 | 2016 | 2011 KN17 closest Earth approach = 7.89 LD |
| 1552 | 2011 KY15 closest Earth approach = 7.99 LD |
|
| 23 May 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 0824 | 2011 KN17 enters 10-LD bubble | 4 | 1 | 0 | 0 |
|
| 22 May 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 1433 | 2011 KY15 enters 10-LD bubble | 3 | 1 | 0 | 0 |
|
| 21 May 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 1518 | 2011 KG13 enters 10-LD bubble | 2 | 1 | 0 | 0 |
| 0726 | 2009 BD enters Earth's Hill sphere | 1 | 1 | 0 | 0 |
|
| 14 May 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 2114 | 2011 HC24 exits 10-LD bubble | 1 | 0 | 0 | 0 |
| 0547 | 2011 JV10 exits 10-LD bubble | 2 | 0 | 0 | 0 |
|
| 12 May 2011 |
| UTC | Events |
|
| 1320 | 2011 HC24 closest Earth approach = 5.90 LD |
| 0019 | 2011 JM5 last observed optically, by Great Shefford Obs. at 16.65 LD outbound, R=20.4 reported |
|
| 11 May 2011 |
| UTC | Events |
|
| 2234 | 2011 HC24 last observed optically, by Great Shefford Obs. at 6.28 LD inbound, R=18.4 reported, elon. 96.9° |
| 0615 | 2011 JN5 last observed optically, by Spacewatch 1.8m at 30.81 LD outbound, V=21.5 reported |
|
| 10 May 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 0521 | 2011 HC24 enters 10-LD bubble | 3 | 0 | 0 | 0 | 0500 | 2011 JY1 last observed optically, by ARO Westfield at 28.65 LD outbound, V=20.3 reported |
| 0119 | 2011 JV10 last observed optically, by Great Shefford Obs. at 5.14 LD outbound, R=20.7 reported |
|
| 8 May 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 2301 | 2011 JV10 exits Earth's Hill sphere | 2 | 0 | 0 | 0 | 0844 | 2011 JV10 observed first, by MLS at 3.22 LD, V=19.9 reported, elon. 162.3° |
| 0727 | 2011 HN24 last observed optically, by Spacewatch 1.8m at 23.79 LD outbound, V=22.40 calculated |
|
| 7 May 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1409 | 2011 JM5 exits 10-LD bubble | 2 | 1 | 0 | 0 | 0840 | 2011 GB3 last observed optically, by MLS at 67.19 LD outbound, V=21.5 reported |
|
| 6 May 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1243 | 2009 UK20 exits 10-LD bubble | 3 | 1 | 0 | 0 | 0657 | 2011 JN5 observed first, by LINEAR at 15.52 LD, mag 18.8 reported, elon. 174.6° |
| 0201 | 2011 JV10 exits Earth-Moon system | 4 | 1 | 0 | 0 |
|
| 5 May 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1326 | 2011 JV10 more than one LD from Moon | 4 | 1 | 0 | 1 | 1712 | 2011 JV10 closest Earth approach = 0.90 LD |
| 0823 | 2011 JV10 enters Earth-Moon system | 4 | 1 | 1 | 1 | 0612 | 2011 JM5 observed first, by LINEAR at 6.67 LD, mag 19.0 reported, elon. 161.3° |
|
| 4 May 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1118 | 2011 HP4 exits 10-LD bubble | 4 | 1 | 1 | 0 | 2254 | 2011 JV10 closest lunar approach = 0.71 LD |
| 0836 | 2011 JV10 within one LD of Moon | 5 | 1 | 1 | 0 |
| 0524 | 2011 HD24 exits 10-LD bubble | 5 | 1 | 0 | 0 |
| 0000 | 2011 HJ exits 10-LD bubble | 6 | 1 | 0 | 0 |
|
| 3 May 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 2233 | 2011 JN5 exits 10-LD bubble | 7 | 1 | 0 | 0 | 0546 | 2011 JY1 observed first, by LINEAR at 11.26 LD, mag 18.6 reported, elon. 136.5° |
| 0333 | 2008 UC202 exits 10-LD bubble | 8 | 1 | 0 | 0 |
| 0019 | 2011 JM5 exits Earth's Hill sphere | 9 | 1 | 0 | 0 |
|
| 2 May 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1544 | 2011 GJ3 exits 10-LD bubble | 9 | 2 | 0 | 0 | 1905 | 2011 HD24 closest Earth approach = 5.43 LD - Note: JPL reports an approach to 5.5 LD (5.4 minimum) . |
| 1409 | 2011 JY1 exits 10-LD bubble | 10 | 2 | 0 | 0 | 1003 | 2011 GM44 last observed optically, by Mt. John Obs. at 171.96 LD outbound, R=19.6 reported, elon. 95.3° |
| 1116 | 2011 JV10 enters Earth's Hill sphere | 11 | 2 | 0 | 0 | 0927 | 2011 JN5 closest Earth approach = 8.59 LD |
| 0409 | 2011 HP4 exits Earth's Hill sphere | 11 | 1 | 0 | 0 | 0408 | 2009 UK20 closest Earth approach = 8.57 LD - Note: JPL reports an approach to 8.5 LD (8.0 minimum) at 0443 UTC with an uncertainty of 1 hour and 3 minutes. |
| 0101 | 2011 HD24 last observed optically, by Great Shefford Obs. at 7.00 LD inbound, R=17.9 reported |
|
| 1 May 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 2202 | 2009 BD enters 10-LD bubble | 11 | 2 | 0 | 0 | 1249 | 2011 HP4 closest Earth approach = 3.31 LD |
| 0847 | 2011 HD24 enters 10-LD bubble | 10 | 2 | 0 | 0 | 0921 | 2011 JA observed first, by CSS at 29.55 LD, V=18.2 reported, elon. 108.0° |
| 0734 | 2011 JM5 closest Earth approach = 2.91 LD |