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
2016-05-01 09:03:33 C 13 38 56.451 -13 00 07.03 L F51
2016-05-01 09:19:27 C 13 38 55.797 -13 00 02.83 L F51
2016-05-01 09:20:22 C 13 38 55.763 -13 00 02.56 L F51
2016-05-01 09:36:15 C 13 38 55.123 -12 59 58.45 L F51
2016-05-01 09:37:11 C 13 38 55.088 -12 59 58.47 L F51
2016-05-01 09:53:03 C 13 38 54.461 -12 59 54.16 L F51
2016-05-01 09:53:59 C 13 38 54.427 -12 59 53.70 L F51
2017-11-20 12:26:22 C 08 05 45.158 +16 48 52.99 L F51
2017-11-20 12:59:51 C 08 05 44.824 +16 48 50.91 L F51
2017-11-20 13:16:37 C 08 05 44.637 +16 48 49.64 L F51
2017-12-14 07:39:40 C 07 51 37.50 +16 40 26.9 U G96
2017-12-14 07:47:17 C 07 51 37.21 +16 40 27.6 U G96
2017-12-14 07:54:53 C 07 51 36.89 +16 40 27.2 U G96
2017-12-14 08:02:32 C 07 51 36.57 +16 40 27.8 U G96
2017-12-25 08:29:05 C 07 39 57.76 +16 53 23.2 U G96
2017-12-25 08:36:30 C 07 39 57.40 +16 53 23.9 U G96
2017-12-25 08:43:54 C 07 39 57.04 +16 53 24.1 U G96
2017-12-25 08:51:19 C 07 39 56.66 +16 53 24.7 U G96
2018-01-20 01:08:34 C 07 09 51.922 +17 41 21.00 U 309
2018-01-20 01:10:18 C 07 09 51.843 +17 41 21.14 U 309
2018-01-20 01:12:02 C 07 09 51.769 +17 41 21.31 U 309
2018-01-20 01:13:47 C 07 09 51.687 +17 41 21.49 U 309
2018-01-20 01:15:31 C 07 09 51.609 +17 41 21.62 U 309
2018-01-20 01:17:15 C 07 09 51.530 +17 41 21.70 U 309
2018-01-20 01:18:59 C 07 09 51.454 +17 41 21.83 U 309
2018-01-20 01:20:43 C 07 09 51.375 +17 41 22.07 U 309
2018-01-20 01:22:29 C 07 09 51.295 +17 41 22.19 U 309
2018-01-20 01:24:13 C 07 09 51.220 +17 41 22.38 U 309
2020-04-19 08:37:18 C 12 08 47.466 -05 06 54.50 U F51
2020-04-19 08:56:49 C 12 08 46.864 -05 06 49.60 U F51
2020-04-19 09:16:21 C 12 08 46.279 -05 06 45.28 U F51
2021-06-18 11:43:06 C 18 30 25.26 -18 04 47.8 V T08
2021-06-18 12:37:52 C 18 30 23.38 -18 04 34.7 V T08
2021-06-18 12:45:52 C 18 30 23.13 -18 04 32.5 V T08
2021-06-27 00:33:25 C 18 23 17.93 -17 14 26.9 q 807
2021-06-27 00:54:29 C 18 23 17.10 -17 14 20.4 q 807
2021-06-27 01:16:22 C 18 23 16.16 -17 14 14.6 q 807
2021-06-28 00:26:49 C 18 22 22.03 -17 08 31.1 q 807
2021-06-28 00:48:23 C 18 22 21.19 -17 08 26.7 q 807
2021-06-28 09:31:57 C 18 21 59.94 -17 06 29.1 V T05
2021-06-28 09:34:35 C 18 21 59.82 -17 06 28.5 V T05
2021-06-28 09:38:32 C 18 21 59.65 -17 06 27.4 V T05
2021-06-28 10:13:55 C 18 21 58.11 -17 06 18.8 V T05
2021-06-29 03:38:30 C 18 21 16.68 -17 02 02.5 q I18
2021-06-29 04:21:55 C 18 21 14.80 -17 01 51.7 q I18
2021-06-30 09:22:37 C 18 20 04.42 -16 54 35.8 V T08
2021-06-30 09:25:16 C 18 20 04.31 -16 54 35.1 V T08
2021-06-30 09:29:15 C 18 20 04.12 -16 54 34.2 V T08
2021-07-01 09:09:32 C 18 19 05.93 -16 48 41.5 V T08
2021-07-01 09:12:11 C 18 19 05.81 -16 48 40.9 V T08