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
2002-02-06 08:28:07 C 09 23 06.94 +05 44 43.3 c 644
2002-02-06 09:00:08 C 09 23 02.81 +05 44 52.9 c 644
2002-02-06 09:32:15 C 09 22 58.72 +05 45 03.2 c 644
2002-02-07 07:13:41 C 09 20 14.96 +05 51 49.8 c 644
2002-02-07 07:56:20 C 09 20 09.47 +05 52 02.8 c 644
2002-02-07 08:43:47 C 09 20 03.41 +05 52 17.6 c 644
2003-01-27 07:24:35 C 08 54 19.85 +18 01 02.0 19.7 c 704
2003-01-27 07:46:43 C 08 54 15.38 +18 01 05.4 19.9 c 704
2003-01-27 08:08:48 C 08 54 10.93 +18 01 09.2 20.2 c 704
2003-01-27 08:31:05 C 08 54 06.36 +18 01 15.0 20.2 c 704
2003-01-27 08:53:19 C 08 54 01.87 +18 01 18.4 20.0 c 704
2003-01-28 05:42:59 C 08 49 54.84 +18 05 13.4 c 651
2003-01-28 05:45:04 C 08 49 54.44 +18 05 14.3 c 651
2003-01-28 05:47:05 C 08 49 53.95 +18 05 15.0 c 651
2003-01-28 06:14:24 C 08 49 48.31 +18 05 18.0 c 649
2003-01-28 06:20:00 C 08 49 47.16 +18 05 19.1 c 649
2003-01-28 06:25:37 C 08 49 46.05 +18 05 20.1 c 649
2003-01-28 07:26:20 C 08 49 34.21 +18 05 31.9 19.3 c 704
2003-01-28 07:48:24 C 08 49 29.72 +18 05 35.9 19.7 c 704
2003-01-28 07:48:35 C 08 49 29.64 +18 05 35.8 19.5 c 704
2003-01-28 08:09:43 C 08 49 25.42 +18 05 40.1 19.6 c 704
2003-01-28 08:10:33 C 08 49 25.25 +18 05 39.2 19.5 c 704
2003-01-28 08:30:51 C 08 49 21.22 +18 05 41.6 19.7 c 704
2003-01-28 08:32:52 C 08 49 20.82 +18 05 43.8 19.4 c 704
2003-01-28 08:51:59 C 08 49 16.97 +18 05 46.9 19.4 c 704
2003-01-28 08:54:47 C 08 49 16.47 +18 05 47.7 19.7 c 704
2003-01-29 07:04:59 C 08 44 58.89 +18 09 28.4 c 926
2003-01-29 07:06:44 C 08 44 58.54 +18 09 29.0 c 926
2003-01-29 07:08:31 C 08 44 58.17 +18 09 29.2 c 926
2003-01-29 15:18:12 C 08 43 24.22 +18 10 57.9 c 413
2003-01-29 15:26:22 C 08 43 22.66 +18 10 58.6 c 413
2003-01-30 05:52:01 C 08 40 39.79 +18 12 47.5 c 644
2003-01-30 07:41:51 C 08 40 18.84 +18 13 03.2 c 644
2003-01-30 09:27:18 C 08 39 58.76 +18 13 16.7 c 644
2003-01-31 07:48:32 C 08 35 51.47 +18 16 04.6 19.7 c 704
2003-01-31 08:08:40 C 08 35 47.58 +18 16 05.7 19.7 c 704
2003-01-31 08:28:48 C 08 35 43.78 +18 16 07.5 20.0 c 704
2003-01-31 08:48:57 C 08 35 40.08 +18 16 10.7 19.4 c 704
2003-01-31 09:09:08 C 08 35 36.31 +18 16 11.9 19.4 c 704
2003-02-01 08:17:23 C 08 31 27.07 +18 18 39.2 c 448
2003-02-01 08:26:28 C 08 31 25.43 +18 18 40.1 c 448
2003-02-01 08:36:06 C 08 31 23.70 +18 18 40.8 c 448
2003-02-09 06:14:10 C 08 01 49.67 +18 25 17.6 c 671
2003-02-09 06:16:03 C 08 01 49.47 +18 25 18.0 c 671
2003-02-09 06:25:24 C 08 01 48.15 +18 25 17.5 c 671
2003-02-09 06:27:17 C 08 01 47.89 +18 25 17.8 c 671
2003-02-26 18:15:33 C 07 23 39.61 +17 58 02.1 c 540
2003-02-26 18:26:25 C 07 23 38.98 +17 57 59.2 c 540
2007-02-20 13:27:00 C 10 59 53.22 -26 44 38.4 o 474
2007-02-20 13:31:29 C 10 59 52.44 -26 44 40.7 o 474