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
2007-02-22 06:05:59 C 08 13 26.17 +15 30 30.5 19.2 c 704
2007-02-22 06:22:59 C 08 13 25.92 +15 30 30.2 19.3 c 704
2007-02-22 21:41:28 C 08 13 11.98 +15 30 19.5 c A24
2007-02-22 21:42:56 C 08 13 11.99 +15 30 19.9 c A24
2007-02-22 22:59:14 C 08 13 10.72 +15 30 17.3 c A24
2007-02-22 23:00:41 C 08 13 10.75 +15 30 17.7 c A24
2007-02-22 23:18:02 C 08 13 10.39 +15 30 17.4 c A24
2007-02-22 23:36:50 C 08 13 10.14 +15 30 17.7 c A24
2007-02-22 23:54:11 C 08 13 09.85 +15 30 17.8 c A24
2007-02-22 23:55:39 C 08 13 09.85 +15 30 17.4 c A24
2007-02-23 22:27:02 C 08 12 51.33 +15 29 59.8 r A13
2007-02-23 22:54:59 C 08 12 50.92 +15 29 59.1 r A13
2007-03-16 04:35:59 C 08 13 58.36 +15 13 09.0 r G96
2007-03-16 04:45:40 C 08 13 58.47 +15 13 08.6 r G96
2007-03-16 04:55:20 C 08 13 58.65 +15 13 08.0 r G96
2007-03-16 05:05:07 C 08 13 58.76 +15 13 07.5 r G96
2007-03-20 03:56:34 C 08 15 43.45 +15 07 10.5 r G96
2007-03-20 04:04:41 C 08 15 43.63 +15 07 10.0 r G96
2007-03-20 04:12:49 C 08 15 43.77 +15 07 09.4 r G96
2007-03-20 04:20:53 C 08 15 43.92 +15 07 08.9 r G96
2007-03-21 05:47:49 C 08 16 16.23 +15 05 23.4 19.4 c 704
2007-03-21 06:03:37 C 08 16 16.55 +15 05 22.5 19.6 c 704
2007-03-21 06:18:56 C 08 16 16.90 +15 05 21.8 19.9 c 704
2007-03-21 06:33:52 C 08 16 17.19 +15 05 19.3 20.2 c 704
2010-05-16 16:46:15 S 21 51 06.559 -12 16 43.00 L C51
2010-05-16 19:56:47 S 21 51 16.920 -12 15 31.82 L C51
2010-05-17 11:49:22 S 21 52 08.441 -12 09 40.25 L C51
2010-05-17 16:35:03 S 21 52 23.887 -12 07 54.37 L C51
2010-05-18 02:06:36 S 21 52 54.535 -12 04 22.30 L C51
2010-06-10 10:29:56 C 22 20 38.43 -08 30 18.3 r G96
2010-06-10 10:34:07 C 22 20 38.61 -08 30 16.7 r G96
2010-06-10 10:38:16 C 22 20 38.79 -08 30 15.1 r G96
2010-06-10 10:42:28 C 22 20 38.97 -08 30 13.6 r G96
2010-06-21 09:40:16 C 22 31 35.00 -06 47 18.0 r 703
2010-06-21 09:47:37 C 22 31 35.29 -06 47 15.6 r 703
2010-06-21 09:55:08 C 22 31 35.58 -06 47 12.4 r 703
2010-06-21 10:02:40 C 22 31 35.86 -06 47 09.5 r 703
2010-07-06 01:37:24 C 22 43 22.36 -04 29 35.4 r J75
2010-07-06 01:56:00 C 22 43 22.87 -04 29 27.9 r J75
2010-07-06 02:14:34 C 22 43 23.36 -04 29 20.7 r J75
2010-07-06 08:27:57 C 22 43 33.85 -04 26 55.1 r 703
2010-07-06 08:34:39 C 22 43 33.99 -04 26 52.6 r 703
2010-07-06 08:41:21 C 22 43 34.14 -04 26 50.6 r 703
2010-07-06 08:48:02 C 22 43 34.35 -04 26 47.5 r 703
2010-07-12 01:57:23 C 22 47 01.40 -03 33 55.2 r J75
2010-07-12 02:15:57 C 22 47 01.75 -03 33 47.6 r J75
2010-07-12 02:34:34 C 22 47 02.24 -03 33 40.3 r J75
2010-07-14 09:06:04 C 22 48 12.18 -03 12 51.0 18.6 c 704
2010-07-14 09:21:29 C 22 48 12.47 -03 12 45.2 18.9 c 704
2010-07-14 09:36:56 C 22 48 12.74 -03 12 39.2 18.7 c 704