|
| 27 Feb. 2010 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 0038 | 2010 DU1 exits 10-LD bubble | 1 | 0 | 0 | 0 |
|
| 25 Feb. 2010 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 2130 | 2010 CK19 exits 10-LD bubble | 2 | 0 | 0 | 0 | 1116 | 2010 DE2 last observed optically, by MPC Code 926 at 5.19 LD outbound, R=20.3 reported |
|
| 24 Feb. 2010 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1214 | 2010 CJ18 exits 10-LD bubble | 3 | 0 | 0 | 0 | 0442 | 2010 DU1 closest Earth approach = 4.29 LD |
| 0403 | 2010 DJ1 exits 10-LD bubble | 4 | 0 | 0 | 0 |
|
| 23 Feb. 2010 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 0615 | 2010 DE2 exits Earth's Hill sphere | 5 | 0 | 0 | 0 |
|
| 22 Feb. 2010 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1855 | 2010 DJ1 exits Earth's Hill sphere | 5 | 1 | 0 | 0 | 2220 | 2010 DU1 last observed optically, by MPC Code J95 at 5.89 LD inbound, R=19.1 reported |
| 0718 | 2010 DE2 enters Earth's Hill sphere | 5 | 2 | 0 | 0 | 1846 | 2010 DE2 closest Earth approach = 3.84 LD |
| 0252 | 2010 DJ1 more than one LD from Moon | 5 | 1 | 0 | 0 | 0110 | 2010 DJ1 first observed by radar, from DSS-14 (transmit) & DSS-13 (receive) at 1.10 LD outbound, V=18.52 calculated |
|
| 21 Feb. 2010 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1755 | 2010 DJ1 within one LD of Moon | 5 | 1 | 1 | 0 | 2247 | 2010 DJ1 closest Earth approach = 1.00 LD |
| 0845 | 2010 DU1 enters 10-LD bubble | 5 | 1 | 0 | 0 | 2224 | 2010 DJ1 closest lunar approach = 0.48 LD |
| 0239 | 2010 DJ1 enters Earth's Hill sphere | 4 | 1 | 0 | 0 | 1646 | 2010 DJ1 last observed optically, by MPC Code D21 at 1.51 LD inbound, R=16.0 reported |
|
| 20 Feb. 2010 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1351 | 2010 CJ18 exits Earth's Hill sphere | 4 | 0 | 0 | 0 | 1309 | 2010 CS19 last observed optically, by Tholen team/Mauna Kea at 11.67 LD outbound, R=21.7 reported |
| 1343 | 2010 CK19 exits Earth's Hill sphere | 4 | 1 | 0 | 0 | 1255 | 2010 CJ18 last observed optically, by MPC Code 926 at 3.85 LD outbound, R=19.7 reported, elon. 87.9° |
| 0600 | 2010 DE2 discovered by CSS at 5.06 LD inbound, V=18.2 reported, elon. 141.3° |
|
| 19 Feb. 2010 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1732 | 2010 DJ1 enters 10-LD bubble | 4 | 2 | 0 | 0 | 1129 | 2010 BU2 last observed optically, by ARO Westfield at 40.12 LD outbound, V=22.2 reported |
| 1101 | 2010 CS19 exits 10-LD bubble | 3 | 2 | 0 | 0 | 1014 | 2010 CJ18 closest Earth approach = 3.25 LD |
| 0910 | 2010 AN61 last observed optically, by ARO Westfield at 18.82 LD outbound, V=22.48 calculated |
| 0708 | 2010 DL last observed optically, by ARO Westfield at 31.02 LD outbound, V=22.5 reported |
|
| 18 Feb. 2010 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 0639 | 2010 CJ18 enters Earth's Hill sphere | 4 | 2 | 0 | 0 | 0619 | 2010 DU1 discovered by MLS at 19.45 LD inbound, V=19.6 reported, elon. 165.4° |
|
| 17 Feb. 2010 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1556 | 2010 CK19 exits Earth-Moon system | 4 | 1 | 0 | 0 | 1948 | 2010 CK19 closest lunar approach = 1.55 LD |
| 0938 | 2010 DJ1 discovered by MLS at 20.44 LD inbound, V=21.1 reported, elon. 171.6° |
| 0719 | 2010 CK19 closest Earth approach = 0.91 LD |
|
| 16 Feb. 2010 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 2242 | 2010 CK19 enters Earth-Moon system | 4 | 1 | 0 | 1 | 1116 | 2010 CK19 last observed optically, by Spacewatch 1.8m at 1.33 LD inbound, V=17.3 reported |
| 0747 | 2010 DL discovered by MLS at 26.36 LD outbound, V=21.5 reported, elon. 174.5° |
| 0713 | 2010 CJ1 last observed optically, by MLS at 59.87 LD outbound, V=21.6 reported |
|
| 15 Feb. 2010 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1629 | 2010 DE2 enters 10-LD bubble | 4 | 1 | 0 | 0 | 1109 | 2010 CN19 last observed optically, by MPC Code 926 at 11.60 LD outbound, R=20.4 reported |
| 0807 | 2010 CS19 exits Earth's Hill sphere | 3 | 1 | 0 | 0 | 0750 | 2010 CS19 discovered by CSS at 3.88 LD outbound, V=19.1 reported, elon. 149.1° |
| 0450 | 2010 CN19 discovered by CSS at 11.01 LD outbound, V=19.1 reported, elon. 165.2° |
|
| 14 Feb. 2010 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1736 | 2010 CN19 exits 10-LD bubble | 3 | 2 | 0 | 0 | 1202 | 2010 CM19 discovered by MLS at 12.38 LD outbound, V=19.9 reported, elon. 100.9° |
| 0851 | 2010 CJ18 enters 10-LD bubble | 4 | 2 | 0 | 0 | 0759 | 2010 CK19 discovered by CSS at 3.57 LD inbound, V=18.9 reported, elon. 155.8° |
| 0059 | 2010 CK19 enters Earth's Hill sphere | 3 | 2 | 0 | 0 |
|
| 13 Feb. 2010 |
| UTC | Events |
|
| 0709 | 2010 CJ18 discovered by CSS at 11.92 LD inbound, V=20.2 reported, elon. 158.8° |
| 0512 | 2010 CB19 discovered by MPC Code 704 at 13.08 LD outbound, mag 18.9 reported, elon. 145.1° |
| 0324 | 2010 CS19 closest Earth approach = 1.87 LD |
|
| 12 Feb. 2010 |
| UTC | Events |
|
| 2355 | 2010 CS19 closest lunar approach = 2.84 LD |
|
| 11 Feb. 2010 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1751 | 2010 CM19 exits 10-LD bubble | 3 | 1 | 0 | 0 | 1836 | 2010 CN19 closest Earth approach = 6.15 LD - Note: JPL reports an approach uncertainty of 20 minutes. |
| 1713 | 2010 CB19 exits 10-LD bubble | 4 | 1 | 0 | 0 | 1120 | 2009 XO2 last observed optically, by ARO Westfield at 98.64 LD outbound, V=22.9 reported |
|
| 10 Feb. 2010 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 2237 | 2010 CS19 enters Earth's Hill sphere | 5 | 1 | 0 | 0 | 1012 | 2008 EV5 last observed optically, by MPC Code C51 at 120.29 LD outbound, V=20.02 calculated, elon. 90.6° |
|
| 9 Feb. 2010 |
| UTC | Events |
|
| 1517 | 2005 YU55 observed first, by Tholen team/Mauna Kea at 254.34 LD inbound, R=22.7 reported, elon. 119.7° |
| 0637 | 2010 CJ1 discovered by MLS at 38.07 LD outbound, V=19.9 reported, elon. 171.1° |
|
| 8 Feb. 2010 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 1917 | 2010 CN19 enters 10-LD bubble | 5 | 0 | 0 | 0 | 0438 | 68216 2001 CV26 last observed optically, by MPC Code 160 at 179.84 LD outbound, C=17.2 reported |
| 1726 | 2010 CK19 enters 10-LD bubble | 4 | 0 | 0 | 0 |
|
| 7 Feb. 2010 |
| UTC | Events |
|
| 2010 | 2010 CB19 closest Earth approach = 4.84 LD |
|
| 6 Feb. 2010 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 1903 | 2010 CS19 enters 10-LD bubble | 3 | 0 | 0 | 0 |
|
| 4 Feb. 2010 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 | | Events |
| 2010 | 2010 BG5 exits 10-LD bubble | 2 | 0 | 0 | 0 | 1657 | 2010 CM19 closest Earth approach = 6.51 LD |
| 0317 | 2010 DL exits 10-LD bubble | 3 | 0 | 0 | 0 |
|
| 3 Feb. 2010 |
| UTC | Boundary Transitions | <10 | <HS | M<1 | E<1 |
| 2307 | 2010 CB19 enters 10-LD bubble | 4 | 0 | 0 | 0 |
|
| 1 Feb. 2010 |
| UTC | Events |
|
| 0005 | 2010 BG5 closest Earth approach = 6.18 LD |