|
| 31 July 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1855 | 2011 PE2 exits Earth's Hill sphere | 3 | 0 | 0 | 0 | 0122 | 2011 OD18 observed first, by La Sagra Obs. at 5.68 LD, V=18.7 reported, elon. 129.9° |
|
| 30 July 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 0445 | 2011 OD18 exits Earth's Hill sphere | 3 | 1 | 0 | 0 | 2325 | 2011 PE2 closest Earth approach = 3.49 LD |
| 0355 | 2011 PE2 enters Earth's Hill sphere | 3 | 2 | 0 | 0 |
|
| 28 July 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1846 | 2011 OD18 exits Earth-Moon system | 3 | 1 | 0 | 0 | 1136 | 2011 OJ45 observed first, by PS1 at 27.81 LD, w=21.9 reported, elon. 151.1° |
| 1451 | 2011 OD18 more than one LD from Moon | 3 | 1 | 0 | 1 | 0837 | 2011 OD18 closest Earth approach = 0.45 LD |
| 0410 | 2007 DD exits 10-LD bubble | 3 | 1 | 1 | 1 | 0645 | 2011 OD18 closest lunar approach = 0.60 LD |
|
| 27 July 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 2235 | 2011 OD18 within one LD of Moon | 4 | 1 | 1 | 1 |
| 2228 | 2011 OD18 enters Earth-Moon system | 4 | 1 | 0 | 1 |
| 2142 | 2011 PU1 exits Earth's Hill sphere | 4 | 1 | 0 | 0 |
|
| 26 July 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 1344 | 2011 PE2 enters 10-LD bubble | 4 | 2 | 0 | 0 |
| 1230 | 2011 OD18 enters Earth's Hill sphere | 3 | 2 | 0 | 0 |
|
| 25 July 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1405 | 2011 PU1 more than one LD from Moon | 3 | 1 | 0 | 0 | 0127 | 2011 PU1 closest lunar approach = 0.65 LD |
| 0455 | 2011 PU1 exits Earth-Moon system | 3 | 1 | 1 | 0 |
| 0223 | 2011 MD exits 10-LD bubble | 3 | 1 | 1 | 1 |
|
| 24 July 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1248 | 2011 PU1 within one LD of Moon | 4 | 1 | 1 | 1 | 1926 | 2011 PU1 closest Earth approach = 0.87 LD |
| 0958 | 2011 PU1 enters Earth-Moon system | 4 | 1 | 0 | 1 |
|
| 23 July 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1421 | 2011 OD18 enters 10-LD bubble | 4 | 1 | 0 | 0 | 1159 | 2007 DD closest Earth approach = 9.30 LD |
|
| 21 July 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 1715 | 2011 PU1 enters Earth's Hill sphere | 3 | 1 | 0 | 0 |
|
| 18 July 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 1739 | 2007 DD enters 10-LD bubble | 3 | 0 | 0 | 0 |
|
| 16 July 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 1556 | 2011 PU1 enters 10-LD bubble | 2 | 0 | 0 | 0 |
|
| 6 July 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 1930 | 2011 MD exits Earth's Hill sphere | 1 | 0 | 0 | 0 |
|
| 3 July 2011 |
| UTC | Events |
|
| 0146 | 2011 MD last observed optically, by Great Shefford Obs. at 2.50 LD outbound, R=19.9 reported, elon. 84.3° |
|
| 2 July 2011 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 2045 | 2009 BD exits 10-LD bubble | 1 | 1 | 0 | 0 |