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
2021-08-14 20:59:06 C 17 57 40.37 -13 45 11.8 X G02
2021-08-16 07:53:27 C 17 58 37.52 -13 43 18.3 V T05
2021-08-16 07:58:05 C 17 58 37.63 -13 43 18.0 V T05
2021-08-16 08:07:26 C 17 58 37.87 -13 43 17.7 V T05
2021-08-21 06:39:37 C 18 02 53.70 -13 38 47.1 V T08
2021-08-21 06:47:37 C 18 02 53.99 -13 38 46.9 V T08
2021-08-21 07:19:03 C 18 02 55.20 -13 38 46.0 V T08
2021-08-22 08:16:30 C 18 04 00.80 -13 38 05.3 V T08
2021-08-22 08:22:29 C 18 04 01.04 -13 38 05.0 V T08
2021-08-22 08:32:26 C 18 04 01.46 -13 38 04.9 V T08
2021-08-22 08:55:01 C 18 04 02.40 -13 38 03.7 V T08
2021-08-24 08:45:38 C 18 06 20.53 -13 37 00.9 V T05
2021-08-24 08:51:34 C 18 06 20.83 -13 37 00.5 V T05
2021-08-24 09:00:10 C 18 06 21.23 -13 37 00.1 V T05
2021-08-24 09:18:41 C 18 06 22.08 -13 37 00.0 V T05
2021-08-28 07:17:22 C 18 11 38.18 -13 35 36.7 V T05
2021-08-28 07:21:58 C 18 11 38.45 -13 35 36.5 V T05
2021-08-28 07:36:32 C 18 11 39.29 -13 35 36.2 V T05
2021-08-28 07:44:00 C 18 11 39.71 -13 35 36.0 V T05
2021-08-28 08:28:17 C 18 11 42.23 -13 35 35.0 V T05
2021-08-30 07:39:32 C 18 14 43.08 -13 35 07.4 V T08
2021-08-30 07:44:11 C 18 14 43.37 -13 35 07.4 V T08
2021-08-30 07:54:49 C 18 14 44.02 -13 35 07.1 V T08
2021-08-30 08:14:05 C 18 14 45.22 -13 35 06.9 V T08
2021-08-30 19:22:46 C 18 15 30.48 -13 35 06.1 Z L74
2021-08-30 19:26:54 C 18 15 30.76 -13 35 05.9 Z L74
2021-08-30 19:32:24 C 18 15 31.12 -13 35 05.9 Z L74
2021-09-05 07:18:28 C 18 25 21.67 -13 33 58.5 V T05
2021-09-05 07:23:05 C 18 25 22.04 -13 33 58.5 V T05
2021-09-05 07:37:41 C 18 25 23.20 -13 33 58.5 V T05
2021-09-05 07:45:01 C 18 25 23.75 -13 33 58.1 V T05
2021-09-12 07:08:33 C 18 40 31.81 -13 31 14.1 V T05
2021-09-12 07:13:10 C 18 40 32.23 -13 31 13.9 V T05
2021-09-12 07:21:07 C 18 40 32.98 -13 31 13.5 V T05
2021-09-12 07:36:19 C 18 40 34.42 -13 31 13.0 V T05
2021-09-14 00:31:46 C 18 44 42.64 -13 30 02.1 X W34
2021-09-14 00:36:25 C 18 44 43.13 -13 30 02.5 X W34
2021-09-14 00:41:41 C 18 44 43.65 -13 30 02.4 X W34
2021-09-19 04:34:22 C 18 58 10.18 -13 24 13.5 U I41
2021-09-19 05:04:18 C 18 58 13.49 -13 24 11.7 U I41
2021-09-19 05:26:17 C 18 58 15.93 -13 24 09.6 U I41
2021-09-21 04:00:33 C 19 03 40.90 -13 21 00.4 U I41
2021-09-21 04:32:01 C 19 03 44.49 -13 20 57.8 U I41
2021-09-21 04:55:06 C 19 03 47.14 -13 20 55.9 U I41
2021-09-21 19:09:01 C 19 05 28.92 -13 19 51.3 V K83
2021-09-21 19:15:09 C 19 05 29.60 -13 19 51.7 V K83
2021-09-23 03:12:10 C 19 09 21.16 -13 17 09.8 U I41
2021-09-23 04:32:19 C 19 09 30.63 -13 17 02.4 U I41
2021-09-23 04:33:41 C 19 09 30.79 -13 17 02.3 U I41
2021-09-23 04:34:20 C 19 09 30.87 -13 17 02.2 U I41