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
2018-01-23 05:44:23 C 09 12 21.93 +17 53 25.5 U 703
2018-01-23 05:51:57 C 09 12 20.16 +17 53 26.9 U 703
2018-01-23 05:59:30 C 09 12 18.49 +17 53 30.3 U 703
2018-01-23 06:07:04 C 09 12 16.83 +17 53 33.5 U 703
2018-01-23 06:54:33 C 09 12 06.45 +17 53 46.2 U G96
2018-01-23 07:01:56 C 09 12 04.82 +17 53 48.3 U G96
2018-01-23 07:09:19 C 09 12 03.20 +17 53 50.4 U G96
2018-01-23 07:16:41 C 09 12 01.58 +17 53 52.5 U G96
2018-02-05 07:17:39 C 08 13 12.43 +18 36 14.2 U 703
2018-02-05 07:32:51 C 08 13 10.15 +18 36 13.2 U 703
2018-02-05 07:40:27 C 08 13 09.00 +18 36 12.8 U 703
2019-01-28 03:16:19 C 00 52 37.61 +32 32 58.0 V 703
2019-01-28 03:24:36 C 00 52 43.47 +32 33 11.3 V 703
2019-01-28 03:32:53 C 00 52 49.35 +32 33 24.7 V 703
2022-01-31 12:51:18 C 11 43 49.593 -21 15 14.42 U F52
2022-01-31 13:06:58 C 11 43 48.708 -21 15 25.28 U F52
2022-01-31 13:38:08 C 11 43 46.962 -21 15 46.46 U F52
2024-01-20 12:15:50 C 10 29 43.027 -00 15 47.39 X F51
2024-01-20 12:31:59 C 10 29 41.591 -00 15 46.47 X F51
2024-01-20 12:48:09 C 10 29 40.149 -00 15 45.48 X F51
2024-02-05 08:00:18 C 09 50 26.138 +00 45 19.94 V G96
2024-02-05 08:07:44 C 09 50 25.213 +00 45 20.45 V G96
2024-02-05 08:15:10 C 09 50 24.331 +00 45 23.08 V G96
2024-02-05 08:22:36 C 09 50 23.514 +00 45 24.16 V G96
2024-12-13 15:01:07 C 11 17 23.540 +07 37 18.48 X F52
2024-12-13 15:11:14 C 11 17 23.132 +07 37 17.49 X F52
2024-12-13 15:21:22 C 11 17 22.705 +07 37 16.60 X F52
2024-12-13 15:31:31 C 11 17 22.303 +07 37 15.53 X F52
2024-12-24 14:52:11 C 11 03 22.256 +07 28 46.86 X F51
2024-12-24 15:10:06 C 11 03 21.004 +07 28 47.25 X F51
2024-12-24 15:45:51 C 11 03 18.433 +07 28 48.66 X F51
2025-01-02 14:14:02 C 10 45 32.405 +07 47 38.79 X F51
2025-01-02 14:30:14 C 10 45 30.774 +07 47 41.33 X F51
2025-01-02 15:02:37 C 10 45 27.527 +07 47 45.98 X F51
2025-01-04 11:57:26 C 10 40 56.840 +07 54 45.98 X F52
2025-01-04 12:15:59 C 10 40 54.874 +07 54 49.19 X F52
2025-01-04 12:53:05 C 10 40 50.935 +07 54 55.41 X F52
2025-01-05 19:44:54 C 10 37 34.53 +08 00 18.4 V D29
2025-01-05 20:10:21 C 10 37 31.70 +08 00 22.6 V D29
2025-01-05 20:35:49 C 10 37 28.91 +08 00 27.9 V D29
2025-01-24 09:26:22 C 09 38 09.701 +09 59 08.10 X F52
2025-01-24 09:43:52 C 09 38 07.026 +09 59 13.69 X F52
2025-01-24 10:01:30 C 09 38 04.323 +09 59 19.28 X F52
2025-01-24 10:19:03 C 09 38 01.627 +09 59 24.90 X F52
2025-01-26 08:19:56 C 09 31 04.278 +10 13 55.13 V G96
2025-01-26 08:27:21 C 09 31 03.155 +10 13 57.32 V G96
2025-01-26 08:34:45 C 09 31 01.996 +10 13 59.88 V G96
2025-01-26 08:42:10 C 09 31 00.854 +10 14 02.22 V G96
2025-02-03 07:51:15 C 09 02 25.199 +11 12 24.19 V G96
2025-02-03 07:59:20 C 09 02 24.004 +11 12 26.60 V G96