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
2012-10-09 04:06:23 C 21 32 22.23 -22 21 51.8 r 703
2012-10-19 01:43:50 C 22 09 42.90 -12 00 17.0 u 448
2012-10-19 01:58:50 C 22 09 44.74 -11 59 45.2 u 448
2012-10-19 02:12:50 C 22 09 46.44 -11 59 15.2 u 448
2012-10-21 03:06:08 C 22 15 51.51 -10 19 13.4 r G96
2012-10-21 03:18:30 C 22 15 52.92 -10 18 49.1 r G96
2012-10-21 03:30:46 C 22 15 54.39 -10 18 23.0 r G96
2012-10-21 03:43:04 C 22 15 55.72 -10 18 01.0 r G96
2012-10-29 02:22:30 C 22 36 42.38 -04 54 32.4 u 448
2012-10-29 02:48:57 C 22 36 44.90 -04 53 54.4 u 448
2012-10-29 03:17:32 C 22 36 47.60 -04 53 12.3 u 448
2017-01-01 04:47:49 C 07 40 23.71 +43 11 32.4 u H21
2017-01-01 05:10:41 C 07 40 21.51 +43 11 38.5 u H21
2017-01-01 05:39:34 C 07 40 18.80 +43 11 46.6 u H21
2017-01-03 11:08:00 C 07 35 19.085 +43 25 20.60 L F51
2017-01-03 11:26:05 C 07 35 17.310 +43 25 24.95 L F51
2017-01-03 12:02:15 C 07 35 13.782 +43 25 33.24 L F51
2019-02-08 09:05:29 C 10 12 12.669 +32 00 34.08 U F51
2019-02-08 09:22:17 C 10 12 11.199 +32 00 40.76 U F51
2019-02-08 09:55:42 C 10 12 08.297 +32 00 54.11 U F51
2021-02-22 15:19:31 C 15 26 38.611 -15 46 16.59 U F51
2021-02-22 15:31:03 C 15 26 40.207 -15 46 28.64 U F51
2021-02-22 15:42:34 C 15 26 41.820 -15 46 40.52 U F51
2021-08-16 14:32:31 C 04 18 31.174 +21 02 16.77 U F51
2021-08-16 14:40:03 C 04 18 31.738 +21 02 21.88 U F51
2021-08-16 14:47:37 C 04 18 32.295 +21 02 26.97 U F51
2021-08-16 14:55:12 C 04 18 32.847 +21 02 32.16 U F51
2021-11-04 08:12:19 C 04 29 03.20 +38 56 33.5 V G96
2021-11-04 08:33:13 C 04 29 01.09 +38 56 39.9 V G96
2021-11-04 08:40:56 C 04 29 00.28 +38 56 42.2 V G96
2021-12-01 05:40:39 C 03 21 57.56 +38 34 48.3 V G96
2021-12-01 05:48:13 C 03 21 56.87 +38 34 46.2 V G96
2021-12-01 06:07:04 C 03 21 55.16 +38 34 40.0 V G96