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
2004-04-27 08:28:50 C 17 15 38.61 -03 32 56.7 r H41
2004-04-27 08:30:59 C 17 15 39.31 -03 32 51.3 r H41
2004-04-28 01:10:59 C 17 21 05.89 -02 51 03.8 c 113
2004-04-28 01:12:39 C 17 21 06.50 -02 50 59.1 c 113
2004-04-28 01:14:19 C 17 21 07.01 -02 50 55.0 c 113
2004-04-28 07:56:17 C 17 23 19.30 -02 33 41.7 r H41
2004-04-28 07:59:06 C 17 23 20.18 -02 33 34.4 r H41
2004-04-28 08:01:01 C 17 23 20.75 -02 33 29.6 r H41
2004-04-28 08:03:27 C 17 23 21.54 -02 33 23.3 r H41
2004-04-28 08:06:48 C 17 23 22.56 -02 33 15.0 r H41
2004-04-28 17:54:00 C 17 26 34.58 -02 08 14.5 r 379
2004-04-28 18:00:27 C 17 26 36.70 -02 07 58.1 r 379
2004-04-29 18:10:01 C 17 34 35.30 -01 05 38.1 r 379
2004-04-29 18:18:37 C 17 34 38.00 -01 05 15.3 r 379
2004-05-02 09:19:45 C 17 55 33.81 +01 39 17.0 r H41
2004-05-02 09:26:32 C 17 55 35.97 +01 39 33.7 r H41
2004-05-02 09:35:28 C 17 55 38.82 +01 39 58.1 r H41
2004-05-02 09:37:18 C 17 55 39.39 +01 40 03.0 r H41
2004-05-02 09:39:16 C 17 55 40.08 +01 40 07.0 r H41
2004-05-03 07:09:12 C 18 02 49.91 +02 36 13.3 r H41
2004-05-03 07:10:44 C 18 02 50.39 +02 36 17.2 r H41
2004-05-03 07:13:28 C 18 02 51.19 +02 36 24.3 r H41
2004-05-03 07:16:53 C 18 02 52.31 +02 36 33.4 r H41
2004-05-03 07:19:14 C 18 02 53.16 +02 36 39.2 r H41
2004-05-04 08:44:04 C 18 11 15.14 +03 42 29.9 r H41
2004-05-04 08:51:11 C 18 11 17.51 +03 42 48.9 r H41
2004-05-04 08:53:00 C 18 11 17.91 +03 42 53.0 r H41
2004-05-05 06:59:09 C 18 18 34.13 +04 39 27.3 r H41
2004-05-05 07:00:34 C 18 18 34.54 +04 39 30.8 r H41
2004-05-05 07:03:33 C 18 18 35.51 +04 39 38.7 r H41
2004-05-05 07:04:59 C 18 18 35.90 +04 39 42.0 r H41
2004-05-05 07:06:29 C 18 18 36.36 +04 39 46.0 r H41
2004-05-06 07:55:00 C 18 26 39.09 +05 42 18.1 r H41
2004-05-06 07:56:40 C 18 26 39.57 +05 42 21.4 r H41
2004-05-06 07:58:14 C 18 26 40.05 +05 42 26.1 r H41
2004-05-06 07:59:58 C 18 26 40.59 +05 42 31.3 r H41
2004-05-06 08:01:21 C 18 26 41.12 +05 42 33.9 r H41
2004-05-07 07:18:50 C 18 34 10.01 +06 40 05.3 r H41
2004-05-07 07:20:43 C 18 34 10.61 +06 40 08.4 r H41
2004-05-07 07:25:01 C 18 34 11.86 +06 40 19.0 r H41
2004-05-07 07:27:15 C 18 34 12.58 +06 40 24.7 r H41
2004-05-08 09:33:02 C 18 42 25.76 +07 43 15.8 r H41
2004-05-08 09:34:56 C 18 42 26.38 +07 43 21.4 r H41
2004-05-08 09:36:45 C 18 42 26.90 +07 43 25.4 r H41
2004-05-08 09:38:45 C 18 42 27.45 +07 43 30.3 r H41
2004-05-13 08:23:13 C 19 17 55.53 +12 02 35.1 17.6 c 704
2004-05-13 08:36:39 C 19 17 59.12 +12 03 02.6 17.9 c 704
2004-05-13 08:50:01 C 19 18 02.75 +12 03 28.7 18.0 c 704
2004-05-13 09:03:25 C 19 18 06.38 +12 03 55.9 17.9 c 704
2004-05-13 09:16:51 C 19 18 09.97 +12 04 22.7 18.1 c 704