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
2021-10-22 06:49:45 C 20 49 40.84 -10 35 17.4 V T05
2021-10-22 06:55:03 C 20 49 41.64 -10 35 15.1 V T05
2021-10-22 07:03:38 C 20 49 42.94 -10 35 11.6 V T05
2021-10-22 07:18:11 C 20 49 45.21 -10 35 05.9 V T05
2021-10-23 06:12:16 C 20 53 21.10 -10 25 59.0 V T05
2021-10-23 06:20:10 C 20 53 22.29 -10 25 55.9 V T05
2021-10-23 06:40:01 C 20 53 25.37 -10 25 47.5 V T05
2021-10-26 01:42:33 C 21 03 58.90 -09 57 46.0 V 703
2021-10-26 01:50:45 C 21 04 00.07 -09 57 42.9 V 703
2021-10-26 01:58:57 C 21 04 01.40 -09 57 39.5 V 703
2021-10-26 02:07:10 C 21 04 02.66 -09 57 36.0 V 703
2021-10-26 06:21:34 C 21 04 42.46 -09 55 43.1 V T05
2021-10-26 06:34:44 C 21 04 44.46 -09 55 37.2 V T05
2021-10-26 06:49:54 C 21 04 46.83 -09 55 30.9 V T05
2021-10-29 03:06:35 C 21 15 33.00 -09 24 50.5 V 703
2021-10-29 03:21:23 C 21 15 35.31 -09 24 43.6 V 703
2021-10-29 03:29:07 C 21 15 36.48 -09 24 39.9 V 703
2021-10-29 03:36:52 C 21 15 37.61 -09 24 36.3 V 703
2021-10-29 07:06:24 C 21 16 10.60 -09 22 56.0 V T08
2021-10-29 07:11:06 C 21 16 11.31 -09 22 53.8 V T08
2021-10-29 07:21:44 C 21 16 12.93 -09 22 49.2 V T08
2021-10-30 02:34:14 C 21 19 15.13 -09 13 50.8 U I41
2021-10-30 04:01:58 C 21 19 28.67 -09 13 09.1 U I41
2021-10-31 02:37:29 C 21 23 02.44 -09 02 20.8 V G96
2021-10-31 02:44:57 C 21 23 03.60 -09 02 17.2 V G96
2021-10-31 02:52:25 C 21 23 04.75 -09 02 13.6 V G96
2021-10-31 02:59:53 C 21 23 05.90 -09 02 09.9 V G96
2021-10-31 06:36:38 C 21 23 39.85 -09 00 22.9 V T05
2021-10-31 06:46:33 C 21 23 41.44 -09 00 17.8 V T05
2021-10-31 06:51:10 C 21 23 42.12 -09 00 15.9 V T05
2021-10-31 07:07:44 C 21 23 44.70 -09 00 07.5 V T05
2021-11-01 02:55:22 C 21 26 51.89 -08 50 30.8 V 703
2021-11-01 03:03:07 C 21 26 53.09 -08 50 26.1 V 703
2021-11-01 03:10:52 C 21 26 54.27 -08 50 22.4 V 703
2021-11-01 03:18:37 C 21 26 55.44 -08 50 18.8 V 703
2021-11-03 05:45:33 C 21 34 50.69 -08 25 00.4 U I41
2021-11-03 05:46:13 C 21 34 50.80 -08 25 00.1 U I41
2021-11-04 02:06:52 C 21 38 02.68 -08 14 32.8 V 703
2021-11-04 02:15:07 C 21 38 03.92 -08 14 29.0 V 703
2021-11-04 02:23:21 C 21 38 05.23 -08 14 23.6 V 703
2021-11-04 02:31:35 C 21 38 06.56 -08 14 20.6 V 703
2021-11-04 07:09:19 C 21 38 49.58 -08 11 53.3 V T05
2021-11-04 07:14:38 C 21 38 50.41 -08 11 50.7 V T05
2021-11-04 07:23:54 C 21 38 51.83 -08 11 45.9 V T05
2021-11-04 07:41:10 C 21 38 54.49 -08 11 36.5 V T05
2021-11-06 06:01:30 C 21 46 09.12 -07 47 10.4 V T08
2021-11-06 06:16:07 C 21 46 11.34 -07 47 02.3 V T08
2021-11-06 06:24:05 C 21 46 12.48 -07 46 58.7 V T08
2021-11-06 06:28:05 C 21 46 13.12 -07 46 56.1 V T08
2021-11-08 02:54:52 C 21 53 07.76 -07 22 52.9 V 703