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
2006-11-03 09:53:07 C 08 34 27.53 +24 04 16.2 17.6 c 704
2006-11-03 10:10:20 C 08 34 29.17 +24 04 07.2 17.6 c 704
2006-11-03 10:27:57 C 08 34 30.66 +24 03 58.9 18.1 c 704
2006-11-06 11:41:00 C 08 40 53.98 +23 27 10.7 o 644
2006-11-06 11:56:28 C 08 40 55.19 +23 27 02.5 o 644
2006-11-06 12:11:58 C 08 40 56.49 +23 26 54.7 o 644
2006-11-07 23:52:47 C 08 43 53.35 +23 08 58.2 r A13
2006-11-08 00:35:47 C 08 43 57.02 +23 08 37.3 r A13
2006-11-14 11:27:09 C 08 55 25.06 +21 52 37.6 r 703
2006-11-14 11:36:42 C 08 55 25.57 +21 52 33.6 r 703
2006-11-14 11:46:20 C 08 55 26.14 +21 52 29.3 r 703
2006-11-15 08:41:13 C 08 56 49.62 +21 42 26.2 17.7 c 704
2006-11-15 08:57:38 C 08 56 50.64 +21 42 18.5 18.4 c 704
2006-11-15 09:14:01 C 08 56 51.70 +21 42 10.8 18.9 c 704
2006-11-15 09:30:24 C 08 56 52.73 +21 42 03.9 18.7 c 704
2006-11-15 09:46:48 C 08 56 53.73 +21 41 55.4 18.8 c 704
2006-11-15 10:55:12 C 08 56 58.05 +21 41 23.2 r 703
2006-11-15 11:04:41 C 08 56 58.66 +21 41 19.1 r 703
2006-11-15 11:14:09 C 08 56 59.24 +21 41 14.3 r 703
2006-11-15 11:23:29 C 08 56 59.78 +21 41 10.3 r 703
2006-11-16 09:53:28 C 08 58 26.26 +21 30 28.8 17.5 c 704
2006-11-16 10:10:17 C 08 58 27.30 +21 30 21.0 18.1 c 704
2006-11-16 10:27:05 C 08 58 28.32 +21 30 12.7 18.9 c 704
2006-11-16 10:43:53 C 08 58 29.34 +21 30 05.7 18.7 c 704
2006-11-16 11:00:42 C 08 58 30.32 +21 29 57.4 18.8 c 704
2006-11-17 09:07:31 C 08 59 52.61 +21 19 31.7 18.0 c 704
2006-11-17 09:48:05 C 08 59 54.93 +21 19 13.2 18.8 c 704
2006-11-17 10:07:10 C 08 59 56.10 +21 19 04.8 18.5 c 704
2006-11-17 10:25:15 C 08 59 57.10 +21 18 56.6 17.7 c 704
2006-11-19 09:02:54 C 09 02 40.76 +20 57 18.9 18.3 c 704
2006-11-19 09:20:30 C 09 02 41.82 +20 57 09.6 19.2 c 704
2006-11-19 09:38:09 C 09 02 42.68 +20 57 03.2 19.4 c 704
2006-11-19 09:55:48 C 09 02 43.64 +20 56 55.4 19.5 c 704
2006-11-19 10:13:24 C 09 02 44.54 +20 56 47.6 18.6 c 704
2006-11-22 09:04:12 C 09 06 29.13 +20 24 53.9 18.4 c 704
2006-11-22 09:22:48 C 09 06 30.03 +20 24 45.8 18.1 c 704
2006-11-22 09:40:43 C 09 06 30.85 +20 24 37.8 17.9 c 704
2006-11-22 09:58:38 C 09 06 31.72 +20 24 30.5 18.2 c 704
2006-11-22 10:16:33 C 09 06 32.54 +20 24 22.6 18.0 c 704
2006-11-24 10:02:26 C 09 08 47.36 +20 03 34.9 r G96
2006-11-24 10:10:36 C 09 08 47.68 +20 03 31.6 r G96
2006-11-24 10:18:51 C 09 08 48.04 +20 03 28.0 r G96
2006-11-24 10:26:56 C 09 08 48.37 +20 03 24.6 r G96
2006-11-24 10:39:07 C 09 08 48.91 +20 03 19.4 r G96
2006-11-24 10:48:27 C 09 08 49.27 +20 03 15.4 r G96
2006-11-24 10:57:55 C 09 08 49.70 +20 03 11.4 r G96
2006-11-24 11:07:10 C 09 08 50.06 +20 03 07.5 r G96
2006-11-25 10:36:17 C 09 09 51.46 +19 53 07.8 17.4 c 704
2006-11-25 10:54:49 C 09 09 52.18 +19 53 00.2 17.4 c 704
2006-11-25 11:05:21 C 09 09 52.59 +19 52 55.9 r G96