143381 (2003 BC21)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5106491276 ± 1.39e-08
Semi-major axis (a)2.5962495660 AU ± 7.26e-09
Inclination (i)5.47484963° ± 2.26e-06
Long. of Asc. Node (Ω)292.10179296° ± 2.11e-05
Arg. of Perihelion (ω)114.10977804° ± 2.21e-05
Mean Anomaly (M)206.50088096° ± 7.08e-06
Mean Motion (n)0.2356094040°/day ± 9.88e-10
Perihelion dist (q)1.27047699 AU ± 3.64e-08
Aphelion dist (Q)3.92202214 AU ± 3.78e-08
Orbital Period4.18330621 yr ± 1.76e-08
Physical Parameters
H (abs. magnitude)16.21
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.271″
Uncertainty0
Orbit TypeAmor
MOID0.295254 AU
Observations Used933
Gaia Obs Used39
Oppositions25
Arc Total1982-2015
First Observation Used1982-04-13
Last Observation Used2025-05-19
Observations (1003)
Date Type RA Dec Mag Band Observatory
2007-01-09 07:02:45 C 09 00 01.04 +15 37 32.9 o 691
2007-01-09 07:11:52 C 09 00 00.54 +15 37 32.2 r 703
2007-01-09 07:23:32 C 08 59 59.89 +15 37 31.9 r 703
2007-01-09 07:27:46 C 08 59 59.65 +15 37 31.8 o 691
2007-01-09 07:35:11 C 08 59 59.24 +15 37 31.0 r 703
2007-01-09 07:52:41 C 08 59 58.29 +15 37 30.4 o 691
2007-01-09 10:38:24 C 08 59 49.23 +15 37 20.8 o 644
2007-01-09 10:56:27 C 08 59 48.07 +15 37 18.5 r H45
2007-01-09 10:58:33 C 08 59 47.92 +15 37 18.6 r H45
2007-01-09 11:00:50 C 08 59 47.79 +15 37 18.5 r H45
2007-01-09 11:02:49 C 08 59 47.71 +15 37 18.2 r H45
2007-01-09 11:07:35 C 08 59 47.63 +15 37 19.0 o 644
2007-01-09 11:37:00 C 08 59 46.02 +15 37 17.1 o 644
2007-01-13 22:00:51 C 08 54 01.88 +15 32 27.4 r A13
2007-01-13 22:26:20 C 08 54 00.42 +15 32 26.7 r A13
2007-01-13 22:51:56 C 08 53 58.95 +15 32 25.9 r A13
2007-01-14 09:57:28 C 08 53 21.47 +15 32 07.3 o 644
2007-01-14 10:28:36 C 08 53 19.65 +15 32 06.1 o 644
2007-01-14 10:58:04 C 08 53 17.93 +15 32 04.7 o 644
2007-01-15 08:21:08 C 08 52 06.42 +15 31 27.5 o 699
2007-01-15 08:52:42 C 08 52 04.57 +15 31 26.6 o 699
2007-01-15 09:24:19 C 08 52 02.69 +15 31 25.9 o 699
2007-01-15 09:55:57 C 08 52 00.82 +15 31 24.9 o 699
2007-01-16 06:51:57 C 08 50 50.48 +15 30 53.2 16.7 c 704
2007-01-16 07:09:52 C 08 50 49.41 +15 30 52.7 17.1 c 704
2007-01-16 07:28:57 C 08 50 48.29 +15 30 52.7 17.4 c 704
2007-01-16 07:47:26 C 08 50 47.19 +15 30 51.9 17.7 c 704
2007-01-16 08:06:53 C 08 50 46.02 +15 30 51.7 17.7 c 704
2007-01-17 09:45:09 C 08 49 18.62 +15 30 18.5 o 644
2007-01-17 10:18:27 C 08 49 16.64 +15 30 17.7 o 644
2007-01-17 10:50:07 C 08 49 14.76 +15 30 16.9 o 644
2007-01-18 12:13:17 C 08 47 47.99 +15 29 49.9 o 644
2007-01-18 12:42:25 C 08 47 46.28 +15 29 49.3 o 644
2007-01-18 13:11:35 C 08 47 44.59 +15 29 48.2 o 644
2007-01-19 07:53:55 C 08 46 41.91 +15 29 36.2 c 568
2007-01-19 09:43:26 C 08 46 35.44 +15 29 35.9 c 568
2007-01-23 06:39:39 C 08 41 20.30 +15 28 52.2 16.5 c 704
2007-01-23 06:57:36 C 08 41 19.26 +15 28 52.1 17.1 c 704
2007-01-23 07:15:40 C 08 41 18.21 +15 28 52.7 17.7 c 704
2007-01-23 07:33:41 C 08 41 17.17 +15 28 52.2 17.3 c 704
2007-01-23 07:51:48 C 08 41 16.05 +15 28 52.2 17.0 c 704
2007-01-24 07:55:12 C 08 39 55.87 +15 28 49.8 r 703
2007-01-24 08:03:42 C 08 39 55.36 +15 28 49.8 r 703
2007-01-24 08:12:14 C 08 39 54.86 +15 28 49.4 r 703
2007-01-24 08:20:45 C 08 39 54.36 +15 28 49.5 r 703
2007-01-26 19:15:44 C 08 36 42.31 +15 28 51.3 c A24
2007-01-26 19:40:13 C 08 36 40.95 +15 28 51.2 c A24
2007-01-26 20:03:43 C 08 36 39.66 +15 28 51.1 c A24
2007-01-26 20:23:38 C 08 36 38.56 +15 28 51.6 c A24
2007-01-26 20:24:19 C 08 36 38.52 +15 28 51.5 c A24