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
2005-04-11 04:05:05 C 10 30 59.81 +12 19 46.9 r G96
2005-04-11 04:14:56 C 10 30 58.60 +12 19 41.0 r G96
2005-04-11 04:24:49 C 10 30 57.40 +12 19 35.2 r G96
2005-04-21 05:29:17 C 10 06 04.99 +09 25 27.5 r 448
2005-04-21 05:40:46 C 10 06 03.96 +09 25 17.6 r 448
2005-04-21 05:52:15 C 10 06 02.88 +09 25 08.0 r 448
2005-05-14 03:42:40 C 09 32 40.50 +00 12 27.8 o 696
2005-05-14 03:50:00 C 09 32 40.16 +00 12 18.7 o 696
2005-06-19 07:45:12 C 08 52 17.75 -18 59 20.4 r 474
2005-06-19 07:50:19 C 08 52 17.06 -18 59 27.3 r 474
2005-06-19 07:55:28 C 08 52 16.71 -18 59 33.7 r 474
2005-08-30 02:39:46 C 04 18 56.14 -01 22 27.0 o 461
2005-08-30 02:43:24 C 04 18 55.71 -01 22 21.1 o 461
2005-08-30 02:47:02 C 04 18 55.26 -01 22 13.9 o 461
2005-09-09 09:31:01 C 03 50 38.21 +05 28 01.0 18.6 c 704
2005-09-09 09:47:15 C 03 50 36.04 +05 28 27.0 19.0 c 704
2005-09-09 10:03:40 C 03 50 33.88 +05 28 53.6 19.3 c 704
2005-09-09 10:19:56 C 03 50 31.72 +05 29 19.2 18.9 c 704
2005-09-16 09:42:34 C 03 28 26.40 +09 41 25.5 c 699
2005-09-16 10:04:50 C 03 28 23.13 +09 41 58.0 c 699
2005-09-16 10:27:07 C 03 28 19.78 +09 42 30.1 c 699
2005-09-16 10:49:29 C 03 28 16.41 +09 43 02.0 c 699
2005-09-26 09:55:14 C 02 52 26.25 +14 45 05.0 r 703
2005-09-26 10:02:11 C 02 52 25.14 +14 45 12.3 r 703
2005-09-26 10:09:08 C 02 52 23.95 +14 45 21.1 r 703
2005-09-26 10:16:09 C 02 52 22.76 +14 45 27.9 r 703
2005-10-01 09:56:46 C 02 33 19.96 +16 42 06.8 o 699
2005-10-01 10:25:41 C 02 33 15.02 +16 42 31.1 o 699
2005-10-01 11:03:58 C 02 33 08.61 +16 43 04.6 o 699
2005-10-01 11:31:19 C 02 33 04.10 +16 43 27.8 o 699
2005-10-06 22:23:53 C 02 12 30.88 +18 20 36.4 r A13
2005-10-06 22:38:59 C 02 12 28.49 +18 20 46.1 r A13
2005-10-06 22:52:52 C 02 12 26.24 +18 20 55.1 r A13
2005-10-08 06:12:55 C 02 07 40.32 +18 39 40.0 19.3 c 704
2005-10-08 06:28:48 C 02 07 37.83 +18 39 49.7 19.5 c 704
2005-10-08 06:44:23 C 02 07 35.33 +18 39 58.5 19.6 c 704
2005-10-08 06:59:59 C 02 07 32.80 +18 40 07.3 19.5 c 704
2005-10-08 07:15:38 C 02 07 30.44 +18 40 15.0 19.5 c 704
2005-10-08 22:45:08 C 02 05 10.97 +18 48 42.6 r A13
2005-10-08 22:59:43 C 02 05 08.72 +18 48 50.9 r A13
2005-10-09 00:07:01 C 02 04 57.89 +18 49 21.3 r 084
2005-10-10 22:04:24 C 01 58 14.19 +19 12 19.8 r A13
2005-10-10 22:12:55 C 01 58 12.89 +19 12 24.9 c A53
2005-10-10 22:24:41 C 01 58 11.17 +19 12 29.1 r A13
2005-10-10 22:28:56 C 01 58 10.54 +19 12 31.5 r A13
2005-10-10 22:33:28 C 01 58 09.88 +19 12 34.6 c A53
2005-10-10 22:46:31 C 01 58 07.92 +19 12 39.5 r A13
2005-10-12 06:10:59 C 01 53 39.91 +19 26 26.3 19.1 c 704
2005-10-12 06:27:14 C 01 53 37.56 +19 26 33.5 19.2 c 704
2005-10-12 06:42:55 C 01 53 35.36 +19 26 37.2 19.5 c 704