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
2020-09-10 08:39:28 C 21 58 06.666 +06 05 30.96 U F52
2020-09-10 09:13:11 C 21 58 05.244 +06 05 04.52 U F52
2020-09-11 06:08:14 C 21 57 15.063 +05 48 39.45 U F52
2020-09-11 06:24:47 C 21 57 14.386 +05 48 26.52 U F52
2020-09-11 06:41:19 C 21 57 13.710 +05 48 13.59 U F52
2020-09-14 06:57:14 C 21 54 25.798 +04 51 13.38 U F52
2020-09-14 07:12:55 C 21 54 25.188 +04 51 01.01 U F52
2020-09-14 07:28:37 C 21 54 24.556 +04 50 48.69 U F52
2020-09-14 07:44:26 C 21 54 23.952 +04 50 36.24 U F52
2020-10-07 06:34:41 C 21 40 27.360 -02 02 08.40 U F51
2020-10-07 06:52:03 C 21 40 27.148 -02 02 20.09 U F51
2020-10-07 07:09:26 C 21 40 26.902 -02 02 31.58 U F51
2022-07-06 07:19:50 C 18 18 20.635 +31 39 59.11 V G96
2022-07-06 07:27:24 C 18 18 20.221 +31 39 55.91 V G96
2022-07-06 07:34:54 C 18 18 19.847 +31 39 52.74 V G96
2022-07-06 07:42:25 C 18 18 19.415 +31 39 49.72 V G96
2023-09-09 13:16:59 C 01 53 59.792 -02 56 09.28 X F51
2023-09-09 13:38:21 C 01 53 59.618 -02 56 29.70 X F51
2023-09-09 13:59:38 C 01 53 59.426 -02 56 49.84 X F51
2023-10-03 10:55:46 C 01 40 38.559 -13 33 36.40 X F51
2023-10-03 11:10:10 C 01 40 37.965 -13 33 53.53 X F51
2023-10-03 11:25:57 C 01 40 37.304 -13 34 12.65 X F51
2023-10-03 11:40:24 C 01 40 36.714 -13 34 29.68 X F51
2023-10-06 09:51:52 C 01 37 46.685 -14 58 10.73 X F52
2023-10-06 10:06:39 C 01 37 46.039 -14 58 28.20 X F52
2023-10-06 10:21:27 C 01 37 45.391 -14 58 45.68 X F52
2023-10-10 10:21:12 C 01 33 33.294 -16 51 30.33 X F51
2023-10-10 10:40:25 C 01 33 32.388 -16 51 52.56 X F51
2023-10-10 11:12:29 C 01 33 30.858 -16 52 29.63 X F51
2023-10-16 10:07:20 C 01 26 45.304 -19 32 48.59 X F51
2023-10-16 10:22:29 C 01 26 44.529 -19 33 04.96 X F51
2023-10-16 10:37:38 C 01 26 43.753 -19 33 21.26 X F51
2023-10-18 07:12:17 C 01 24 32.677 -20 20 43.22 V G96
2023-10-18 07:19:49 C 01 24 32.267 -20 20 50.86 V G96
2023-10-18 07:27:19 C 01 24 31.871 -20 20 58.78 V G96
2023-10-18 07:34:51 C 01 24 31.518 -20 21 06.80 V G96
2023-10-21 09:32:02 C 01 20 52.292 -21 36 08.69 X F51
2023-10-21 09:49:27 C 01 20 51.390 -21 36 25.75 X F51
2023-10-21 10:07:05 C 01 20 50.475 -21 36 43.10 X F51
2023-10-21 10:23:45 C 01 20 49.602 -21 36 59.46 X F51
2023-10-28 09:15:59 C 01 12 41.981 -24 07 43.02 X F51
2023-10-28 09:30:58 C 01 12 41.232 -24 07 55.16 X F51
2023-10-28 09:45:55 C 01 12 40.468 -24 08 07.37 X F51
2025-06-29 11:02:58 C 21 50 46.802 +20 29 31.49 X F52
2025-06-29 11:20:32 C 21 50 46.523 +20 29 33.50 X F52
2025-06-29 11:55:50 C 21 50 45.973 +20 29 37.34 X F52
2025-07-23 07:03:43 C 21 35 03.16 +20 02 56.5 V H21
2025-07-23 07:09:52 C 21 35 02.92 +20 02 55.3 V H21
2025-07-29 06:38:01 C 21 29 07.82 +19 24 02.7 V H21
2025-07-29 06:56:27 C 21 29 06.96 +19 23 56.9 V H21