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
1976-06-29 10:50:09 15 58 23.30 -18 17 03.0 c 260
1976-06-29 11:50:10 15 58 21.05 -18 16 50.9 c 260
2003-07-25 05:04:11 C 17 14 16.19 -16 16 45.4 17.9 c 704
2003-07-25 05:18:51 C 17 14 15.83 -16 16 43.2 18.3 c 704
2003-07-25 05:33:57 C 17 14 15.59 -16 16 41.7 18.4 c 704
2003-07-25 05:49:27 C 17 14 15.29 -16 16 42.1 19.3 c 704
2003-10-18 01:59:58 C 19 50 30.67 -14 40 30.9 18.4 c 704
2003-10-18 02:17:09 C 19 50 33.23 -14 40 26.3 18.7 c 704
2003-10-18 02:34:28 C 19 50 35.82 -14 40 21.9 18.3 c 704
2003-10-18 02:51:34 C 19 50 38.28 -14 40 17.2 18.7 c 704
2003-10-18 03:08:24 C 19 50 40.80 -14 40 12.4 18.7 c 704
2003-10-19 01:52:52 C 19 54 05.19 -14 33 49.1 18.1 c 704
2003-10-19 02:01:45 C 19 54 06.55 -14 33 45.9 18.6 c 704
2003-10-19 02:04:39 C 19 54 07.10 -14 33 45.9 c 673
2003-10-19 02:07:29 C 19 54 07.47 -14 33 45.1 c 673
2003-10-19 02:10:00 C 19 54 07.70 -14 33 44.2 18.5 c 704
2003-10-19 02:10:20 C 19 54 07.91 -14 33 44.4 c 673
2003-10-19 02:13:19 C 19 54 08.31 -14 33 43.5 c 673
2003-10-19 02:18:45 C 19 54 09.03 -14 33 41.4 18.9 c 704
2003-10-19 02:26:38 C 19 54 10.19 -14 33 39.6 19.2 c 704
2003-10-19 02:35:44 C 19 54 11.54 -14 33 36.2 19.0 c 704
2003-10-19 02:43:36 C 19 54 12.72 -14 33 34.3 18.7 c 704
2003-10-19 02:52:42 C 19 54 14.09 -14 33 30.9 18.9 c 704
2003-10-19 03:00:46 C 19 54 15.21 -14 33 29.7 18.6 c 704
2003-10-19 03:01:36 C 19 54 15.47 -14 33 29.7 c 926
2003-10-19 03:03:19 C 19 54 15.61 -14 33 27.7 c 926
2003-10-19 03:05:03 C 19 54 15.92 -14 33 27.9 c 926
2003-10-19 03:09:43 C 19 54 16.53 -14 33 25.2 18.5 c 704
2003-10-19 03:12:42 C 19 54 17.02 -14 33 26.1 r H36
2003-10-19 03:20:06 C 19 54 17.94 -14 33 24.2 r H36
2003-10-19 03:54:36 C 19 54 23.18 -14 33 13.8 r 448
2003-10-19 04:01:27 C 19 54 24.19 -14 33 11.7 r 448
2003-10-19 04:08:19 C 19 54 25.24 -14 33 09.9 r 448
2003-10-19 18:10:12 C 19 56 32.11 -14 29 07.2 c 246
2003-10-19 18:11:15 C 19 56 32.25 -14 29 06.1 c 246
2003-10-19 18:12:10 C 19 56 32.41 -14 29 06.5 c 246
2003-10-19 18:13:20 C 19 56 32.54 -14 29 06.3 c 246
2003-10-19 18:14:18 C 19 56 32.77 -14 29 06.5 c 246
2003-10-19 18:15:18 C 19 56 32.92 -14 29 05.8 c 246
2003-10-20 01:11:36 C 19 57 35.74 -14 27 01.6 r H36
2003-10-20 01:23:52 C 19 57 37.60 -14 26 56.6 r 448
2003-10-20 01:28:04 C 19 57 38.13 -14 26 56.4 r H36
2003-10-20 01:28:11 C 19 57 38.27 -14 26 55.4 r 448
2003-10-20 01:34:15 C 19 57 39.15 -14 26 53.6 r 448
2003-10-20 01:52:16 C 19 57 41.83 -14 26 49.1 18.7 c 704
2003-10-20 01:53:15 C 19 57 41.97 -14 26 47.6 18.2 c 704
2003-10-20 02:09:11 C 19 57 44.31 -14 26 43.4 18.6 c 704
2003-10-20 02:10:31 C 19 57 44.52 -14 26 42.3 18.8 c 704
2003-10-20 02:26:11 C 19 57 46.80 -14 26 37.5 18.8 c 704
2003-10-20 02:27:20 C 19 57 47.03 -14 26 37.3 18.3 c 704