249816 (2001 FD90)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4786542544 ± 1.88e-08
Semi-major axis (a)2.0454522431 AU ± 1.05e-08
Inclination (i)7.30138281° ± 3.05e-06
Long. of Asc. Node (Ω)202.18551974° ± 1.42e-05
Arg. of Perihelion (ω)47.73697030° ± 1.66e-05
Mean Anomaly (M)122.54888510° ± 2.10e-05
Mean Motion (n)0.3369211388°/day ± 2.59e-09
Perihelion dist (q)1.06638782 AU ± 3.89e-08
Aphelion dist (Q)3.02451666 AU ± 4.15e-08
Orbital Period2.92539164 yr ± 2.25e-08
Physical Parameters
H (abs. magnitude)19.32
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.468″
Uncertainty0
Orbit TypeAmor
MOID0.097867 AU
Observations Used395
Oppositions12
Arc Total2001-2019
First Observation Used2001-03-19
Last Observation Used2019-10-27
Observations (405)
Date Type RA Dec Mag Band Observatory
2004-08-22 21:23:42 C 21 30 36.95 +05 15 37.5 o 198
2004-08-22 21:30:28 C 21 30 36.81 +05 15 31.2 o 198
2004-08-22 21:38:54 C 21 30 36.63 +05 15 22.6 o 198
2004-08-22 21:47:20 C 21 30 36.46 +05 15 13.9 o 198
2004-08-22 22:50:46 C 21 30 35.03 +05 14 10.3 r A41
2004-08-22 23:15:42 C 21 30 34.54 +05 13 45.7 r A41
2004-08-22 23:40:31 C 21 30 33.95 +05 13 19.5 r A41
2004-09-08 04:16:07 C 21 27 58.16 -00 29 12.5 19.8 c 704
2004-09-08 05:05:51 C 21 27 58.23 -00 29 49.5 20.3 c 704
2004-09-08 05:21:59 C 21 27 58.28 -00 30 02.2 20.2 c 704
2004-09-12 06:16:48 C 21 28 36.649 -01 38 14.18 e 645
2004-09-12 06:21:48 C 21 28 36.676 -01 38 17.51 20.94 e 645
2007-07-21 07:43:35 C 00 06 20.01 +14 49 11.4 o H55
2007-07-21 08:00:19 C 00 06 20.17 +14 49 12.0 o H55
2007-07-21 08:14:34 C 00 06 20.32 +14 49 13.0 o H55
2007-10-12 05:44:31 C 23 01 58.33 -00 59 48.5 r G96
2007-10-12 05:55:54 C 23 01 58.22 -00 59 53.0 r G96
2007-10-12 06:07:22 C 23 01 58.04 -00 59 57.7 r G96
2007-10-12 06:18:55 C 23 01 57.90 -01 00 02.0 r G96
2010-09-06 05:23:47 C 00 47 23.41 +11 26 41.7 o 691
2010-09-06 05:49:13 C 00 47 22.21 +11 26 31.3 o 691
2010-09-06 06:14:40 C 00 47 20.97 +11 26 19.0 o 691
2010-09-10 05:57:27 C 00 42 39.47 +10 39 01.1 o 691
2010-09-10 06:22:56 C 00 42 38.16 +10 38 47.6 o 691
2010-09-10 06:48:30 C 00 42 36.82 +10 38 34.8 o 691
2010-09-13 11:46:25 C 00 38 36.950 +09 57 59.78 L F51
2010-09-13 12:03:29 C 00 38 36.013 +09 57 50.42 L F51
2010-09-14 05:52:22 C 00 37 39.76 +09 48 08.3 o 691
2010-09-14 06:48:19 C 00 37 36.63 +09 47 37.7 o 691
2010-09-18 06:04:39 C 00 32 28.46 +08 54 31.8 o 691
2010-09-18 06:26:28 C 00 32 27.22 +08 54 19.7 o 691
2010-09-18 06:48:21 C 00 32 26.00 +08 54 07.3 o 691
2010-10-02 04:06:36 C 00 14 49.42 +05 43 18.9 o 691
2010-10-02 04:32:19 C 00 14 48.11 +05 43 05.0 o 691
2013-09-07 08:31:02 C 01 37 55.03 +13 34 25.7 u H21
2013-09-07 08:46:22 C 01 37 54.49 +13 34 20.5 u H21
2013-09-07 09:01:40 C 01 37 53.97 +13 34 15.6 u H21
2013-09-13 07:48:11 C 01 32 30.36 +12 44 02.5 u H21
2013-09-13 08:08:47 C 01 32 29.46 +12 43 54.4 u H21
2013-09-13 08:30:37 C 01 32 28.49 +12 43 45.4 u H21
2013-10-05 09:38:36 C 01 06 01.40 +08 42 50.2 q G96
2013-10-05 09:46:09 C 01 06 00.94 +08 42 46.4 q G96
2013-10-05 09:53:41 C 01 06 00.57 +08 42 42.9 q G96
2013-10-05 10:01:18 C 01 06 00.12 +08 42 38.6 q G96
2013-10-09 06:59:07 C 01 01 07.36 +07 57 09.3 q G96
2013-10-09 07:01:30 C 01 01 07.24 +07 57 08.3 q G96
2013-10-09 07:07:06 C 01 01 06.98 +07 57 05.9 q G96
2013-10-09 07:09:28 C 01 01 06.81 +07 57 04.2 q G96
2013-10-09 07:15:03 C 01 01 06.55 +07 57 02.2 q G96
2013-10-09 07:17:24 C 01 01 06.37 +07 57 00.5 q G96