|
| 30 April 2009 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 2306 | 2009 JA enters 10-LD bubble | 3 | 1 | 0 | 0 | 0621 | 2009 JS closest Earth approach = 3.29 LD - Note: JPL reports an approach uncertainty of 14 minutes. |
| 2149 | 2009 HJ36 exits 10-LD bubble | 2 | 1 | 0 | 0 |
|
| 29 April 2009 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1731 | 2009 HK73 exits Earth's Hill sphere | 3 | 1 | 0 | 0 | 0811 | 2009 HK73 discovered by CSS at 3.28 LD outbound, V=17.5 reported, elon. 143.4° |
| 0645 | 2009 JS enters Earth's Hill sphere | 3 | 2 | 0 | 0 |
|
| 28 April 2009 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1124 | 2009 HS44 exits 10-LD bubble | 3 | 1 | 0 | 0 | 2026 | 2009 HJ36 closest Earth approach = 9.59 LD |
|
| 27 April 2009 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1007 | 2009 HK73 more than one LD from Moon | 4 | 1 | 0 | 0 | 1254 | 2009 HK73 closest Earth approach = 1.22 LD |
| 0706 | 2009 HW67 discovered by MLS at 13.00 LD outbound, V=18.9 reported, elon. 177.6° |
| 0618 | 2009 HG60 discovered by CSS at 14.38 LD outbound, V=16.9 reported, elon. 138.7° |
| 0253 | 2009 HK73 closest lunar approach = 0.86 LD |
|
| 26 April 2009 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1943 | 2009 HK73 within one LD of Moon | 4 | 1 | 1 | 0 | 0647 | 2009 HS44 closest Earth approach = 4.61 LD |
| 1924 | 2009 HJ36 enters 10-LD bubble | 4 | 1 | 0 | 0 | 0238 | 2009 HS44 last observed optically, by Great Shefford Obs. at 4.66 LD inbound, R=18.7 reported |
| 1708 | 2009 HW67 exits 10-LD bubble | 3 | 1 | 0 | 0 |
|
| 25 April 2009 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 1855 | 2009 JS enters 10-LD bubble | 4 | 1 | 0 | 0 |
| 1225 | 2009 HW67 exits Earth's Hill sphere | 3 | 1 | 0 | 0 |
| 1129 | 2009 HF21 exits 10-LD bubble | 3 | 2 | 0 | 0 |
| 0814 | 2009 HK73 enters Earth's Hill sphere | 4 | 2 | 0 | 0 |
| 0701 | 2009 HG60 exits 10-LD bubble | 4 | 1 | 0 | 0 |
| 0512 | 2009 HJ21 exits 10-LD bubble | 5 | 1 | 0 | 0 |
|
| 24 April 2009 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1821 | 2009 FJ30 exits 10-LD bubble | 6 | 1 | 0 | 0 | 1904 | 2009 HW67 closest Earth approach = 1.05 LD |
| 0212 | 2009 HS44 enters 10-LD bubble | 7 | 1 | 0 | 0 | 1537 | 2009 HG60 closest Earth approach = 9.65 LD |
| 0142 | 2009 HW67 enters Earth's Hill sphere | 6 | 1 | 0 | 0 | 1425 | 2009 HW67 closest lunar approach = 1.07 LD |
| 0012 | 2009 HG60 enters 10-LD bubble | 6 | 0 | 0 | 0 |
|
| 23 April 2009 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 2028 | 2009 HJ21 exits Earth's Hill sphere | 5 | 0 | 0 | 0 | 2344 | 2009 FJ30 closest Earth approach = 9.69 LD |
| 0508 | 2009 FJ30 enters 10-LD bubble | 5 | 1 | 0 | 0 | 0912 | 2007 DD last observed optically, by Tholen team/Mauna Kea at 42.31 LD outbound, R=22.2 reported |
| 0535 | 2009 HJ21 closest lunar approach = 1.11 LD |
| 0109 | 2009 HJ21 closest Earth approach = 1.26 LD |
|
| 22 April 2009 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 2059 | 2009 HW67 enters 10-LD bubble | 4 | 1 | 0 | 0 | 1538 | 2009 HF21 last observed optically, by Mt. John Obs. at 7.55 LD outbound, R=19.0 reported |
| 0550 | 2009 HJ21 enters Earth's Hill sphere | 3 | 1 | 0 | 0 | 0928 | 2009 HJ36 last observed optically, by MLS at 13.17 LD inbound, V=20.5 reported |
| 0803 | 2009 HJ21 last observed optically, by ARO at 3.49 LD inbound, V=18.6 reported |
| 0746 | 2009 HS44 discovered by MLS at 16.71 LD inbound, V=20.3 reported, elon. 173.6° |
|
| 21 April 2009 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1519 | 2009 HK73 enters 10-LD bubble | 3 | 0 | 0 | 0 | 2038 | 2009 HF21 closest Earth approach = 7.41 LD |
| 0926 | 2009 HJ36 discovered by MLS at 14.18 LD inbound, V=21.2 reported, elon. 174.2° |
| 0843 | 2009 HJ21 discovered by MLS at 7.81 LD inbound, V=19.7 reported, elon. 168.9° |
|
| 20 April 2009 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 2107 | 2009 HJ21 enters 10-LD bubble | 2 | 0 | 0 | 0 | 0921 | 2009 HF21 discovered by CSS at 7.90 LD inbound, V=18.3 reported, elon. 160.3° |
| 0456 | 2009 FJ30 last observed optically, by El Condor Obs. at 15.51 LD inbound, V=16.80 calculated |
|
| 18 April 2009 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 0619 | 2009 HF21 enters 10-LD bubble | 1 | 0 | 0 | 0 |
|
| 17 April 2009 |
| UTC | Events |
|
| 0633 | 2009 FJ last observed optically, by ARO at 73.32 LD outbound, V=22.2 reported |
| 0533 | 2009 HC discovered by Spacewatch 0.9m at 10.82 LD outbound, V=18.3 reported, elon. 168.5° |
|
| 16 April 2009 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 0227 | 2009 HC exits 10-LD bubble | 0 | 0 | 0 | 0 |
|
| 15 April 2009 |
| UTC | Events |
|
| 1756 | 2001 SG286 observed first, by SSS at 80.47 LD inbound, V=18.2 reported, elon. 146.8° |
|
| 9 April 2009 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 2148 | 2009 FQ32 exits 10-LD bubble | 1 | 0 | 0 | 0 |
|
| 5 April 2009 |
| UTC | Events |
|
| 1127 | 2009 HC closest Earth approach = 5.10 LD |
|
| 4 April 2009 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 0812 | 2009 FU30 exits 10-LD bubble | 2 | 0 | 0 | 0 |
|
| 3 April 2009 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 2247 | 2009 FP32 exits 10-LD bubble | 3 | 0 | 0 | 0 | 0057 | 2009 FU30 last observed optically, by Wildberg Obs. at 8.98 LD outbound, V=18.7 reported |
| 0526 | 2009 FO32 exits 10-LD bubble | 4 | 0 | 0 | 0 |
|
| 2 April 2009 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1740 | 2009 FQ32 exits Earth's Hill sphere | 5 | 0 | 0 | 0 | 0615 | 2009 FU30 closest Earth approach = 8.80 LD |
| 0228 | 2009 FP32 exits Earth's Hill sphere | 5 | 1 | 0 | 0 |
|
| 1 April 2009 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 0541 | 2009 FP32 more than one LD from Moon | 5 | 2 | 0 | 0 | 0752 | 2009 FW4 last observed optically, by MLS at 46.70 LD outbound, V=20.6 reported |
| 0037 | 2009 FV23 exits 10-LD bubble | 5 | 2 | 1 | 0 | 0537 | 2009 FG last observed optically, by Spacewatch 1.8m at 64.57 LD outbound, V=22.36 calculated |
| 0038 | 2009 FP32 closest lunar approach = 0.65 LD |