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
2005-03-16 07:55:48 C 11 46 56.11 +14 46 02.1 r 703
2005-03-16 08:09:18 C 11 46 54.53 +14 46 03.6 r 703
2005-03-16 08:23:07 C 11 46 52.99 +14 46 04.8 r 703
2005-03-16 08:36:40 C 11 46 51.49 +14 46 05.7 r 703
2005-03-16 20:24:22 C 11 45 36.74 +14 46 56.2 o 198
2005-03-16 20:27:45 C 11 45 36.38 +14 46 56.7 o 198
2005-03-16 20:31:59 C 11 45 35.91 +14 46 57.4 o 198
2005-03-16 20:33:41 C 11 45 35.73 +14 46 57.7 o 198
2005-03-17 06:17:32 C 11 44 32.23 +14 47 44.8 c 854
2005-03-17 06:21:38 C 11 44 31.78 +14 47 45.9 c 854
2005-03-17 06:25:43 C 11 44 31.26 +14 47 45.4 c 854
2005-03-17 07:47:16 C 11 44 21.96 +14 47 50.6 r G96
2005-03-17 07:56:04 C 11 44 20.93 +14 47 51.4 r G96
2005-03-17 08:04:54 C 11 44 19.92 +14 47 51.9 r G96
2005-03-17 08:13:43 C 11 44 18.97 +14 47 52.1 r G96
2005-03-17 08:41:55 C 11 44 15.75 +14 47 54.2 r 703
2005-03-17 08:57:10 C 11 44 14.06 +14 47 54.4 r 703
2005-03-17 09:09:44 C 11 44 12.52 +14 47 56.0 r 703
2005-03-17 09:22:15 C 11 44 11.16 +14 47 56.9 r 703
2005-03-17 09:50:56 C 11 44 07.90 +14 47 58.1 r G96
2005-03-17 09:57:04 C 11 44 07.20 +14 47 58.4 r G96
2005-03-17 10:03:06 C 11 44 06.52 +14 47 58.7 r G96
2005-03-17 10:09:15 C 11 44 05.82 +14 47 59.1 r G96
2005-03-18 22:41:00 C 11 40 03.21 +14 49 46.8 r 170
2005-03-18 22:41:37 C 11 40 03.15 +14 49 46.8 r 170
2005-03-18 22:42:50 C 11 40 02.94 +14 49 47.3 r 170
2005-03-18 22:44:04 C 11 40 02.79 +14 49 47.2 r 170
2005-03-31 15:20:12 C 11 02 22.07 +14 13 46.3 r 413
2005-03-31 15:36:10 C 11 02 19.96 +14 13 41.2 r 413
2005-03-31 19:28:07 C 11 01 51.57 +14 12 04.2 c 246
2005-03-31 19:29:01 C 11 01 51.50 +14 12 03.7 c 246
2005-03-31 19:30:44 C 11 01 51.30 +14 12 03.5 c 246
2005-03-31 19:32:12 C 11 01 51.09 +14 12 03.5 c 246
2005-03-31 19:35:35 C 11 01 50.64 +14 12 01.9 c 246
2005-03-31 19:36:35 C 11 01 50.48 +14 12 02.0 c 246
2005-03-31 19:37:31 C 11 01 50.38 +14 12 02.0 c 246
2005-03-31 19:39:29 C 11 01 50.13 +14 12 01.2 c 246
2005-04-03 20:15:21 C 10 52 31.31 +13 46 59.7 c 246
2005-04-03 20:16:02 C 10 52 31.21 +13 46 59.1 c 246
2005-04-03 20:17:02 C 10 52 31.07 +13 46 59.0 c 246
2005-04-03 20:18:18 C 10 52 30.93 +13 46 58.4 c 246
2005-04-03 20:20:11 C 10 52 30.70 +13 46 57.4 c 246
2005-04-03 20:25:08 C 10 52 29.98 +13 46 55.9 c A41
2005-04-03 21:10:08 C 10 52 24.05 +13 46 38.9 c A41
2005-04-03 21:55:39 C 10 52 18.13 +13 46 20.7 c A41
2005-04-06 05:31:43 C 10 45 17.46 +13 22 44.9 r 703
2005-04-06 05:44:51 C 10 45 15.80 +13 22 38.0 r 703
2005-04-06 05:57:59 C 10 45 14.04 +13 22 31.9 r 703
2005-04-06 06:11:15 C 10 45 12.34 +13 22 26.1 r 703
2005-04-11 03:55:15 C 10 31 01.02 +12 19 52.9 r G96