331990 (2005 FD)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3940236505 ± 2.80e-08
Semi-major axis (a)1.4608372049 AU ± 4.19e-09
Inclination (i)11.32647396° ± 1.02e-05
Long. of Asc. Node (Ω)13.30721424° ± 1.59e-05
Arg. of Perihelion (ω)271.01811437° ± 2.04e-05
Mean Anomaly (M)193.75289714° ± 1.73e-05
Mean Motion (n)0.5582253371°/day ± 2.40e-09
Perihelion dist (q)0.88523280 AU ± 4.10e-08
Aphelion dist (Q)2.03644161 AU ± 4.14e-08
Orbital Period1.76564233 yr ± 7.60e-09
Physical Parameters
H (abs. magnitude)19.74
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.463″
Uncertainty0
Orbit TypeApollo
MOID0.096110 AU
Observations Used174
Oppositions7
Arc Total2005-2021
First Observation Used2005-03-16
Last Observation Used2021-12-01
Observations (183)
Date Type RA Dec Mag Band Observatory
2005-10-12 06:58:39 C 01 53 33.04 +19 26 45.7 19.4 c 704
2005-10-13 06:13:07 C 01 50 20.06 +19 35 48.8 18.4 c 704
2005-10-13 06:28:47 C 01 50 17.79 +19 35 55.5 18.9 c 704
2005-10-13 06:44:29 C 01 50 15.53 +19 36 00.8 18.7 c 704
2005-10-13 07:00:09 C 01 50 13.28 +19 36 07.2 18.8 c 704
2005-10-13 07:15:50 C 01 50 11.05 +19 36 13.0 18.8 c 704
2005-10-13 21:48:37 C 01 48 12.92 +19 41 21.0 r A13
2005-10-13 22:13:19 C 01 48 09.48 +19 41 29.7 r A13
2005-10-13 22:35:41 C 01 48 06.34 +19 41 37.8 r A13
2005-10-23 06:41:06 C 01 21 46.47 +20 29 11.1 r 703
2005-10-23 06:53:23 C 01 21 45.21 +20 29 12.1 r 703
2005-10-23 07:05:40 C 01 21 43.92 +20 29 12.9 r 703
2005-10-23 07:18:08 C 01 21 42.58 +20 29 14.7 r 703
2005-10-23 09:45:08 C 01 21 27.32 +20 29 27.6 r 703
2005-10-23 09:59:01 C 01 21 25.84 +20 29 28.0 r 703
2005-10-23 10:12:57 C 01 21 24.40 +20 29 28.9 r 703
2005-10-27 21:53:03 C 01 11 48.41 +20 35 33.1 r A13
2005-10-27 22:21:37 C 01 11 46.03 +20 35 33.1 r A13
2005-10-30 05:03:26 C 01 07 38.43 +20 36 13.1 o 644
2005-10-30 05:34:06 C 01 07 36.07 +20 36 13.3 o 644
2005-10-30 06:05:32 C 01 07 33.69 +20 36 13.2 o 644
2005-11-03 06:38:54 C 01 01 27.85 +20 34 35.1 19.7 c 704
2005-11-03 06:56:30 C 01 01 26.76 +20 34 34.6 20.3 c 704
2005-11-03 07:32:38 C 01 01 24.64 +20 34 32.3 19.7 c 704
2005-11-04 05:07:24 C 01 00 15.96 +20 33 52.7 19.6 c 704
2005-11-04 05:24:52 C 01 00 14.93 +20 33 51.5 20.1 c 704
2005-11-04 05:42:23 C 01 00 13.99 +20 33 52.5 19.7 c 704
2005-11-04 06:02:40 C 01 00 12.80 +20 33 51.4 20.1 c 704
2010-02-08 01:48:21 C 07 17 12.19 +41 55 01.2 o H21
2010-02-08 02:21:14 C 07 17 09.79 +41 54 53.4 o H21
2010-02-08 02:52:00 C 07 17 07.56 +41 54 45.7 o H21
2010-02-11 03:22:44 C 07 12 17.06 +41 36 31.9 o H21
2010-02-11 03:53:49 C 07 12 14.99 +41 36 22.8 o H21
2010-02-11 04:26:55 C 07 12 12.87 +41 36 14.7 o H21
2012-03-13 22:40:54 C 10 10 16.37 +27 02 26.1 t 204
2012-03-13 23:17:09 C 10 10 12.59 +27 02 23.1 t 204
2012-03-17 05:51:15 C 10 02 29.53 +26 53 35.3 u 448
2012-03-17 06:59:12 C 10 02 22.83 +26 53 24.7 u 448
2012-03-17 08:09:16 C 10 02 15.85 +26 53 11.1 u 448
2012-06-11 06:27:06 C 10 07 19.936 +02 43 36.55 L F51
2012-06-11 06:28:02 C 10 07 19.990 +02 43 35.49 L F51
2012-06-11 06:33:44 C 10 07 20.356 +02 43 29.40 L F51
2012-06-11 06:34:41 C 10 07 20.407 +02 43 28.68 L F51
2012-06-11 06:40:22 C 10 07 20.786 +02 43 22.54 L F51
2012-06-11 06:41:19 C 10 07 20.853 +02 43 21.47 L F51
2012-06-11 06:47:01 C 10 07 21.204 +02 43 15.57 L F51
2012-06-11 06:47:58 C 10 07 21.278 +02 43 14.52 L F51
2012-10-09 03:42:00 C 21 32 17.70 -22 23 09.1 r 703
2012-10-09 03:49:59 C 21 32 19.17 -22 22 43.7 r 703
2012-10-09 03:58:14 C 21 32 20.72 -22 22 18.3 r 703