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
2007-01-26 20:26:14 C 08 36 38.43 +15 28 51.5 c A24
2007-01-26 20:27:42 C 08 36 38.35 +15 28 51.3 c A24
2007-01-26 21:28:47 C 08 36 35.01 +15 28 51.8 c A24
2007-01-27 06:11:42 C 08 36 07.01 +15 28 55.8 o 699
2007-01-27 06:38:02 C 08 36 05.54 +15 28 56.0 o 699
2007-01-27 07:04:22 C 08 36 04.05 +15 28 56.4 o 699
2007-01-27 07:30:42 C 08 36 02.62 +15 28 56.6 o 699
2007-01-28 01:32:47 C 08 35 05.06 +15 28 58.6 c A24
2007-01-28 01:34:14 C 08 35 04.99 +15 28 58.8 c A24
2007-01-28 20:15:44 C 08 34 07.11 +15 29 03.9 c A24
2007-01-28 20:17:11 C 08 34 07.06 +15 29 03.7 c A24
2007-01-28 20:33:30 C 08 34 06.17 +15 29 04.1 c A24
2007-01-28 20:50:18 C 08 34 05.29 +15 29 04.3 c A24
2007-01-28 21:06:08 C 08 34 04.45 +15 29 04.4 c A24
2007-01-28 21:07:35 C 08 34 04.35 +15 29 04.3 c A24
2007-01-29 00:15:24 C 08 33 54.19 +15 29 05.5 c A24
2007-01-29 00:16:51 C 08 33 54.12 +15 29 05.6 c A24
2007-01-29 22:31:14 C 08 32 46.02 +15 29 13.1 c A24
2007-01-29 22:32:43 C 08 32 45.95 +15 29 13.1 c A24
2007-02-04 22:30:31 C 08 25 57.32 +15 30 14.5 c A24
2007-02-04 22:31:58 C 08 25 57.26 +15 30 14.0 c A24
2007-02-04 22:46:33 C 08 25 56.54 +15 30 13.4 c A24
2007-02-04 23:17:11 C 08 25 55.06 +15 30 13.8 c A24
2007-02-04 23:33:46 C 08 25 54.35 +15 30 14.7 c A24
2007-02-04 23:50:20 C 08 25 53.61 +15 30 14.3 c A24
2007-02-05 00:05:28 C 08 25 52.86 +15 30 14.4 c A24
2007-02-05 00:06:55 C 08 25 52.93 +15 30 14.4 c A24
2007-02-07 09:00:51 C 08 23 29.99 +15 30 38.9 r H45
2007-02-07 09:10:48 C 08 23 29.58 +15 30 38.9 r H45
2007-02-07 09:12:54 C 08 23 29.51 +15 30 38.8 r H45
2007-02-07 09:14:37 C 08 23 29.44 +15 30 38.7 r H45
2007-02-07 09:17:18 C 08 23 29.32 +15 30 38.7 r H45
2007-02-08 04:23:48 C 08 22 44.93 +15 30 46.9 o 644
2007-02-08 04:53:50 C 08 22 43.69 +15 30 47.2 o 644
2007-02-08 04:57:38 C 08 22 43.46 +15 30 47.4 r 703
2007-02-08 05:10:01 C 08 22 42.99 +15 30 47.9 r 703
2007-02-08 05:22:23 C 08 22 42.45 +15 30 47.7 r 703
2007-02-08 05:25:54 C 08 22 42.38 +15 30 47.5 o 644
2007-02-08 05:34:47 C 08 22 42.02 +15 30 48.0 r 703
2007-02-10 04:21:19 C 08 20 57.47 +15 31 02.9 o 644
2007-02-10 04:50:57 C 08 20 56.34 +15 31 03.1 o 644
2007-02-10 05:22:18 C 08 20 55.15 +15 31 03.4 o 644
2007-02-11 08:34:28 C 08 19 57.67 +15 31 09.6 r H45
2007-02-11 08:35:55 C 08 19 57.60 +15 31 09.5 r H45
2007-02-11 08:38:33 C 08 19 57.52 +15 31 09.5 r H45
2007-02-11 08:40:27 C 08 19 57.43 +15 31 09.5 r H45
2007-02-11 08:42:22 C 08 19 57.40 +15 31 09.5 r H45
2007-02-11 22:38:13 C 08 19 29.70 +15 31 14.8 16.9 r 130
2007-02-11 22:39:39 C 08 19 29.68 +15 31 14.6 17.0 r 130
2007-02-11 22:41:06 C 08 19 29.68 +15 31 14.5 17.0 r 130