329669 (2003 UD8)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5352878086 ± 2.15e-08
Semi-major axis (a)2.7200050001 AU ± 3.09e-09
Inclination (i)3.88685322° ± 2.04e-06
Long. of Asc. Node (Ω)238.33397039° ± 3.85e-05
Arg. of Perihelion (ω)108.38509875° ± 3.91e-05
Mean Anomaly (M)331.50380252° ± 2.44e-06
Mean Motion (n)0.2197139959°/day ± 3.75e-10
Perihelion dist (q)1.26401948 AU ± 5.84e-08
Aphelion dist (Q)4.17599052 AU ± 5.86e-08
Orbital Period4.48595129 yr ± 7.65e-09
Physical Parameters
H (abs. magnitude)16.72
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.266″
Uncertainty0
Orbit TypeAmor
MOID0.265100 AU
Observations Used534
Oppositions38
Arc Total1976-2025
First Observation Used1976-06-29
Last Observation Used2025-05-28
Observations (596)
Date Type RA Dec Mag Band Observatory
2003-10-20 02:31:31 C 19 57 47.74 -14 26 36.7 c 673
2003-10-20 02:35:50 C 19 57 48.41 -14 26 35.2 c 673
2003-10-20 02:38:40 C 19 57 48.81 -14 26 34.2 c 673
2003-10-20 02:41:21 C 19 57 49.22 -14 26 33.6 c 673
2003-10-20 02:43:09 C 19 57 49.36 -14 26 32.6 18.9 c 704
2003-10-20 02:43:50 C 19 57 49.47 -14 26 32.5 18.5 c 704
2003-10-20 02:44:09 C 19 57 49.57 -14 26 31.9 c 926
2003-10-20 02:46:45 C 19 57 49.94 -14 26 31.3 c 926
2003-10-20 02:49:20 C 19 57 50.32 -14 26 30.5 c 926
2003-10-20 03:35:13 C 19 57 57.09 -14 26 16.9 c 854
2003-10-20 03:41:36 C 19 57 58.08 -14 26 15.1 c 854
2003-10-20 03:47:57 C 19 57 59.00 -14 26 12.6 c 854
2003-10-20 08:35:38 C 19 58 42.57 -14 24 32.7 c 474
2003-10-20 08:37:47 C 19 58 42.89 -14 24 32.5 c 474
2003-10-20 08:40:09 C 19 58 43.33 -14 24 30.9 c 474
2003-10-20 10:03:54 C 19 58 55.83 -14 24 08.4 r 428
2003-10-20 10:12:44 C 19 58 57.09 -14 24 05.5 r 428
2003-10-20 10:17:09 C 19 58 57.83 -14 24 03.9 r 428
2003-10-21 02:26:52 C 20 01 24.68 -14 19 17.8 18.6 c 704
2003-10-21 02:44:08 C 20 01 27.27 -14 19 12.5 18.6 c 704
2003-10-21 03:01:05 C 20 01 29.85 -14 19 07.2 18.8 c 704
2003-10-21 03:18:04 C 20 01 32.36 -14 19 01.6 18.8 c 704
2003-10-21 03:35:13 C 20 01 34.90 -14 18 55.2 19.2 c 704
2003-10-22 02:56:34 C 20 05 08.11 -14 11 31.1 c 926
2003-10-22 02:59:10 C 20 05 08.49 -14 11 29.9 c 926
2003-10-22 03:01:48 C 20 05 08.91 -14 11 29.0 c 926
2003-10-28 17:31:05 C 20 29 36.13 -13 13 47.4 c 246
2003-10-28 17:32:00 C 20 29 36.31 -13 13 47.3 c 246
2003-10-28 17:33:08 C 20 29 36.43 -13 13 46.5 c 246
2003-10-28 17:35:19 C 20 29 36.81 -13 13 45.8 c 246
2003-10-28 17:36:16 C 20 29 36.93 -13 13 45.2 c 246
2003-10-29 10:14:06 C 20 32 12.31 -13 06 43.5 r 428
2003-10-30 11:04:39 C 20 36 05.23 -12 56 18.2 r E14
2003-10-30 11:14:53 C 20 36 06.79 -12 56 14.4 r E14
2003-10-30 11:25:08 C 20 36 08.39 -12 56 09.8 r E14
2003-11-07 01:56:17 C 21 04 49.36 -11 30 47.7 r 448
2003-11-07 02:15:02 C 21 04 52.26 -11 30 38.7 r 448
2003-11-07 02:27:48 C 21 04 54.26 -11 30 32.5 r 448
2003-11-23 02:24:42 C 22 04 35.05 -07 46 58.8 d 703
2003-11-23 02:37:44 C 22 04 36.98 -07 46 50.9 d 703
2003-11-23 02:50:42 C 22 04 38.89 -07 46 43.2 d 703
2003-11-23 03:03:36 C 22 04 40.85 -07 46 35.5 d 703
2003-12-05 03:24:30 C 22 47 32.04 -04 33 32.4 d 703
2003-12-05 03:39:00 C 22 47 34.09 -04 33 23.3 d 703
2003-12-05 03:53:47 C 22 47 36.19 -04 33 12.4 d 703
2003-12-05 04:08:26 C 22 47 38.30 -04 33 01.3 d 703
2003-12-13 01:37:46 C 23 14 28.40 -02 21 27.9 18.9 c 704
2003-12-13 01:56:35 C 23 14 30.89 -02 21 15.2 19.2 c 704
2003-12-13 02:15:36 C 23 14 33.57 -02 21 01.0 19.5 c 704
2003-12-13 02:34:24 C 23 14 36.15 -02 20 48.4 19.8 c 704