259221 (2003 BA21)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8331975973 ± 4.89e-08
Semi-major axis (a)1.1002238992 AU ± 1.08e-09
Inclination (i)23.70270897° ± 1.18e-05
Long. of Asc. Node (Ω)308.86159046° ± 5.77e-06
Arg. of Perihelion (ω)18.15010826° ± 6.86e-06
Mean Anomaly (M)0.50591841° ± 6.69e-06
Mean Motion (n)0.8540644883°/day ± 1.26e-09
Perihelion dist (q)0.18351999 AU ± 5.38e-08
Aphelion dist (Q)2.01692781 AU ± 5.38e-08
Orbital Period1.15404199 yr ± 1.70e-09
Physical Parameters
H (abs. magnitude)19.19
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.282″
Uncertainty0
Orbit TypeApollo
MOID0.131256 AU
Observations Used220
Oppositions3
Arc Total2002-2026
First Observation Used2002-02-06
Last Observation Used2026-01-13
Observations (228)
Date Type RA Dec Mag Band Observatory
2007-02-20 13:36:20 C 10 59 51.82 -26 44 43.5 o 474
2010-01-11 10:33:23 C 10 22 41.72 +08 20 24.0 o 691
2010-01-11 11:24:16 C 10 22 35.35 +08 20 36.5 o 691
2010-01-17 08:29:17 C 10 04 02.21 +08 57 47.8 o 691
2010-12-31 05:10:18 C 13 58 00.63 +24 43 53.1 v 204
2010-12-31 05:17:50 C 13 57 57.14 +24 44 27.2 v 204
2010-12-31 05:25:14 C 13 57 53.71 +24 45 00.5 v 204
2010-12-31 11:23:22 C 13 55 09.19 +25 12 03.4 18.5 c 704
2010-12-31 11:42:17 C 13 55 00.22 +25 13 28.9 18.6 c 704
2010-12-31 12:01:15 C 13 54 51.18 +25 14 56.7 18.5 c 704
2010-12-31 12:20:06 C 13 54 42.24 +25 16 22.7 18.7 c 704
2010-12-31 12:38:57 C 13 54 33.25 +25 17 47.7 19.0 c 704
2011-01-01 23:51:12 S 13 36 55.874 +28 00 19.04 L C51
2011-01-02 01:26:22 S 13 36 05.021 +28 07 43.68 L C51
2011-01-02 20:24:42 C 13 25 33.95 +29 36 40.1 m 355
2011-01-02 20:25:45 C 13 25 33.31 +29 36 44.7 m 355
2011-01-02 20:26:46 C 13 25 32.73 +29 36 51.2 m 355
2011-01-12 22:25:44 C 10 16 58.60 +42 19 13.4 r J75
2011-01-12 22:39:55 C 10 16 46.53 +42 19 20.6 r J75
2011-01-12 22:54:04 C 10 16 34.33 +42 19 27.0 r J75
2011-01-12 23:26:00 C 10 16 06.86 +42 19 40.5 v 204
2011-01-12 23:30:56 C 10 16 02.68 +42 19 42.7 v 204
2011-01-12 23:35:48 C 10 15 58.55 +42 19 44.8 v 204
2011-01-12 23:40:40 C 10 15 54.41 +42 19 46.9 v 204
2011-01-12 23:45:33 C 10 15 50.26 +42 19 49.0 v 204
2011-01-18 23:07:53 C 08 34 55.77 +40 08 42.2 u J95
2011-01-18 23:16:28 C 08 34 51.00 +40 08 27.4 u J95
2011-01-18 23:25:25 C 08 34 46.04 +40 08 12.3 u J95
2011-01-23 18:51:47 C 07 44 21.83 +36 32 56.1 u A13
2011-01-23 19:42:37 C 07 44 04.40 +36 31 22.0 u A13
2011-01-24 00:19:27 C 07 42 29.57 +36 22 52.7 u 160
2011-01-24 00:21:26 C 07 42 28.90 +36 22 48.9 u 160
2011-01-24 00:23:23 C 07 42 28.24 +36 22 45.2 u 160
2011-01-24 00:25:22 C 07 42 27.59 +36 22 41.4 u 160
2011-01-24 00:27:19 C 07 42 26.92 +36 22 37.4 u 160
2011-01-24 23:38:03 C 07 35 06.57 +35 40 06.9 u 160
2011-01-24 23:40:38 C 07 35 05.78 +35 40 02.1 u 160
2011-01-24 23:43:13 C 07 35 04.98 +35 39 57.4 u 160
2011-01-25 12:29:43 C 07 31 21.10 +35 17 03.9 o 300
2011-01-25 12:32:36 C 07 31 20.21 +35 16 58.5 o 300
2011-01-25 12:35:31 C 07 31 19.30 +35 16 53.5 o 300
2011-01-25 12:42:49 C 07 31 17.20 +35 16 41.5 o 300
2011-01-28 00:26:47 C 07 16 10.10 +33 34 58.4 u I15
2011-01-28 00:47:49 C 07 16 05.37 +33 34 24.9 u I15
2011-01-28 00:58:22 C 07 16 02.95 +33 34 08.2 u I15
2011-01-30 19:39:26 C 07 03 01.72 +31 52 47.7 u 240
2011-01-30 19:41:32 C 07 03 01.37 +31 52 44.5 u 240
2011-01-30 20:02:25 C 07 02 57.74 +31 52 15.7 u 240
2011-01-30 20:09:44 C 07 02 56.48 +31 52 04.3 u 240
2014-02-11 08:31:46 C 12 30 01.72 -35 55 12.3 u 807