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
2014-02-11 08:42:25 C 12 30 01.30 -35 55 30.2 u 807
2014-02-11 08:53:13 C 12 30 00.90 -35 55 48.3 u 807
2014-03-22 00:37:46 S 06 01 16.19 -62 38 49.1 L C51
2014-03-22 05:22:11 S 05 57 11.54 -62 22 24.1 L C51
2015-03-07 03:30:17 C 09 29 11.98 -14 12 37.5 u 807
2015-03-07 03:38:32 C 09 29 10.76 -14 12 32.7 u 807
2015-03-07 03:46:47 C 09 29 09.53 -14 12 29.4 u 807
2016-02-09 10:42:04 C 10 01 37.475 -03 50 02.20 L F51
2016-02-09 11:01:01 C 10 01 35.294 -03 49 58.16 L F51
2016-02-09 11:20:02 C 10 01 33.103 -03 49 54.00 L F51
2016-03-04 07:14:35 C 08 56 59.080 -00 29 24.04 L F51
2016-03-04 07:31:26 C 08 56 57.345 -00 29 16.88 L F51
2016-03-04 07:48:19 C 08 56 55.639 -00 29 09.67 L F51
2016-03-04 08:05:24 C 08 56 53.891 -00 29 02.52 L F51
2016-03-05 07:30:34 C 08 54 35.273 -00 19 07.36 L F51
2016-03-05 07:47:54 C 08 54 33.540 -00 18 59.97 L F51
2016-03-05 08:05:21 C 08 54 31.803 -00 18 52.67 L F51
2016-03-05 08:22:52 C 08 54 30.061 -00 18 45.03 L F51
2016-12-29 10:09:13 C 10 54 52.84 +03 34 38.3 u H21
2016-12-29 10:26:43 C 10 54 51.89 +03 34 36.9 u H21
2016-12-29 10:46:20 C 10 54 50.82 +03 34 35.7 u H21
2017-01-03 14:53:53 C 10 47 26.217 +03 29 41.80 L F51
2017-01-03 15:10:18 C 10 47 25.085 +03 29 41.80 L F51
2017-01-03 15:26:40 C 10 47 23.958 +03 29 41.60 L F51
2017-01-03 15:43:03 C 10 47 22.825 +03 29 41.30 L F51
2017-02-14 09:19:01 C 08 58 15.244 +06 52 50.50 L F51
2017-02-14 09:38:08 C 08 58 12.953 +06 52 56.31 L F51
2017-02-14 09:57:16 C 08 58 10.656 +06 53 02.13 L F51
2017-12-25 12:20:24 C 11 28 44.82 +12 29 01.4 U G96
2017-12-25 12:21:04 C 11 28 44.72 +12 29 01.6 U G96
2017-12-25 12:27:48 C 11 28 43.71 +12 29 05.2 U G96
2017-12-25 12:28:29 C 11 28 43.62 +12 29 05.6 U G96
2017-12-25 12:35:10 C 11 28 42.68 +12 29 08.1 U G96
2017-12-25 12:35:51 C 11 28 42.55 +12 29 08.2 U G96
2017-12-25 12:53:09 C 11 28 40.04 +12 29 16.2 U G96
2017-12-25 12:53:51 C 11 28 39.91 +12 29 16.5 U G96
2017-12-28 13:30:07 C 11 17 48.024 +13 03 03.62 U F51
2017-12-28 13:47:43 C 11 17 45.215 +13 03 12.21 U F51
2017-12-28 14:05:19 C 11 17 42.378 +13 03 20.88 U F51
2017-12-28 14:22:53 C 11 17 39.536 +13 03 29.41 U F51
2018-01-12 08:40:34 C 10 10 12.85 +16 08 17.4 U 703
2018-01-12 08:49:38 C 10 10 10.88 +16 08 22.8 U 703
2018-01-12 09:06:03 C 10 10 07.27 +16 08 30.1 U 703
2018-01-14 08:29:16 C 09 59 41.91 +16 31 36.4 U G96
2018-01-14 08:36:39 C 09 59 40.25 +16 31 39.8 U G96
2018-01-14 08:44:02 C 09 59 38.58 +16 31 43.5 U G96
2018-01-14 08:51:28 C 09 59 36.92 +16 31 47.0 U G96
2018-01-14 13:29:21 C 09 58 34.855 +16 34 01.24 U F51
2018-01-14 14:04:50 C 09 58 26.795 +16 34 17.52 U F51
2018-01-14 14:22:35 C 09 58 22.782 +16 34 25.71 U F51