285838 (2001 FA1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3595255770 ± 3.70e-08
Semi-major axis (a)1.8828831677 AU ± 2.72e-09
Inclination (i)33.81391981° ± 6.72e-06
Long. of Asc. Node (Ω)175.72113714° ± 3.41e-06
Arg. of Perihelion (ω)326.79029061° ± 9.67e-06
Mean Anomaly (M)211.20752127° ± 1.12e-05
Mean Motion (n)0.3814847808°/day ± 8.25e-10
Perihelion dist (q)1.20593851 AU ± 6.96e-08
Aphelion dist (Q)2.55982783 AU ± 6.97e-08
Orbital Period2.58365820 yr ± 5.59e-09
Physical Parameters
H (abs. magnitude)17.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.350″
Uncertainty0
Orbit TypeAmor
MOID0.256956 AU
Observations Used388
Oppositions15
Arc Total2001-2025
First Observation Used2001-03-17
Last Observation Used2025-09-23
Observations (402)
Date Type RA Dec Mag Band Observatory
2001-05-09 07:32:13 C 11 48 49.99 +39 04 12.0 658
2001-05-09 07:38:41 C 11 48 50.55 +39 04 12.0 658
2001-05-09 07:46:48 C 11 48 51.30 +39 04 11.5 658
2001-05-25 06:56:40 C 12 21 22.64 +37 54 36.1 658
2001-05-25 07:02:33 C 12 21 23.17 +37 54 33.9 658
2001-05-25 07:09:38 C 12 21 23.73 +37 54 31.2 658
2001-06-21 00:27:20 C 13 12 05.12 +32 45 25.0 c 493
2001-06-21 00:36:46 C 13 12 05.89 +32 45 20.0 c 493
2001-06-22 01:16:34 C 13 13 59.48 +32 30 41.5 c 493
2001-06-22 01:19:35 C 13 13 59.69 +32 30 39.5 c 493
2002-08-30 04:03:38 C 22 50 13.70 +08 01 38.6 c 649
2002-08-30 04:24:23 C 22 50 12.73 +08 01 23.5 c 649
2002-08-30 04:44:28 C 22 50 11.83 +08 01 09.5 c 649
2002-09-03 21:57:48 C 22 45 04.31 +06 39 05.4 d 540
2002-09-03 22:15:55 C 22 45 03.48 +06 38 52.6 d 540
2002-09-03 23:03:24 C 22 45 01.27 +06 38 17.2 d 540
2002-09-04 05:19:54 C 22 44 44.14 +06 33 35.3 c 649
2002-09-04 05:41:50 C 22 44 43.10 +06 33 18.7 c 649
2002-09-04 06:02:48 C 22 44 42.16 +06 33 03.1 c 649
2002-09-04 10:21:27 C 22 44 30.10 +06 29 47.9 c 644
2002-09-04 10:51:48 C 22 44 28.69 +06 29 24.7 c 644
2002-09-04 11:22:25 C 22 44 27.28 +06 29 01.5 c 644
2002-09-12 07:39:35 C 22 35 56.04 +04 01 25.6 o 644
2002-09-12 13:21:44 C 22 35 40.39 +03 56 54.0 o 608
2005-09-11 08:34:33 C 02 55 18.74 -05 38 04.1 r 734
2005-09-11 08:51:31 C 02 55 19.09 -05 38 20.9 r 734
2005-09-11 09:06:20 C 02 55 19.35 -05 38 36.8 r 734
2007-07-23 06:06:47 C 22 10 59.50 +18 12 24.3 o H55
2007-07-23 06:25:34 C 22 10 58.91 +18 12 21.9 o H55
2007-07-23 06:44:20 C 22 10 58.34 +18 12 19.4 o H55
2007-10-06 04:42:27 C 21 09 59.59 +00 09 00.3 o 705
2007-10-06 04:43:39 C 21 09 59.57 +00 08 59.5 o 705
2007-10-06 04:47:14 C 21 09 59.56 +00 08 57.0 o 705
2007-10-10 04:50:00 C 21 09 48.34 -00 52 28.6 o 705
2007-10-10 04:51:12 C 21 09 48.33 -00 52 29.4 o 705
2007-10-10 04:54:47 C 21 09 48.30 -00 52 31.6 o 705
2009-01-15 12:42:03 C 15 28 19.63 -09 47 41.2 o 291
2009-01-15 12:48:07 C 15 28 20.40 -09 47 37.5 o 291
2009-01-15 12:53:38 C 15 28 21.09 -09 47 35.0 o 291
2009-05-14 09:02:33 C 18 19 03.60 +32 49 35.7 r 448
2009-05-14 09:55:15 C 18 19 01.88 +32 50 09.8 r 448
2009-05-14 10:48:19 C 18 19 00.10 +32 50 43.5 r 448
2009-06-23 06:30:02 C 17 31 42.59 +35 20 02.2 o H55
2009-06-23 06:46:22 C 17 31 41.76 +35 19 56.8 o H55
2012-06-27 08:16:47 C 21 20 05.89 +22 37 57.5 u H21
2012-06-27 08:32:03 C 21 20 05.58 +22 37 58.8 u H21
2012-06-27 08:47:26 C 21 20 05.19 +22 38 01.3 u H21
2012-07-15 07:32:37 C 21 06 20.61 +22 35 18.9 u H21
2012-07-15 07:49:53 C 21 06 19.90 +22 35 16.2 u H21
2012-07-15 08:06:43 C 21 06 19.16 +22 35 14.2 u H21