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
2021-12-05 03:10:40 C 23 27 20.65 -00 49 43.5 V 703
2021-12-05 03:18:56 C 23 27 21.72 -00 49 39.2 V 703
2021-12-05 03:27:13 C 23 27 22.83 -00 49 33.2 V 703
2021-12-09 02:33:50 C 23 39 58.40 +00 10 14.8 V 703
2021-12-09 02:50:16 C 23 40 00.60 +00 10 27.2 V 703
2021-12-09 02:58:29 C 23 40 01.68 +00 10 32.6 V 703
2021-12-16 03:05:52 C 00 01 30.59 +01 55 12.8 V 703
2021-12-16 03:30:09 C 00 01 33.51 +01 55 26.7 V 703
2021-12-16 05:43:06 C 00 01 50.280 +01 56 50.63 U F51
2021-12-16 05:59:26 C 00 01 52.279 +01 57 00.78 U F51
2021-12-16 06:31:51 C 00 01 56.255 +01 57 20.60 U F51
2022-01-02 19:00:34 C 00 51 41.45 +06 06 20.8 X C95
2022-01-02 19:30:15 C 00 51 44.73 +06 06 37.6 X C95
2022-01-05 03:16:29 C 00 57 58.85 +06 37 56.0 V 703
2022-01-05 03:24:40 C 00 57 59.68 +06 38 01.1 V 703
2022-01-05 03:32:50 C 00 58 00.68 +06 38 05.1 V 703
2022-01-05 03:41:00 C 00 58 01.49 +06 38 09.9 V 703
2022-01-21 05:35:28 C 01 39 18.559 +10 01 25.28 U F52
2022-01-21 06:12:22 C 01 39 22.312 +10 01 43.47 U F52
2022-01-21 06:30:50 C 01 39 24.187 +10 01 52.49 U F52
2022-02-22 05:50:09 C 02 54 30.673 +15 29 55.96 U F52
2022-02-22 06:07:32 C 02 54 32.296 +15 30 01.96 U F52
2022-02-22 06:24:57 C 02 54 33.920 +15 30 08.16 U F52
2022-02-22 06:42:23 C 02 54 35.524 +15 30 14.39 U F52
2022-03-23 02:42:27 C 03 57 28.13 +18 54 38.3 V V00
2022-03-23 02:49:28 C 03 57 28.75 +18 54 39.8 V V00
2022-03-23 02:56:28 C 03 57 29.37 +18 54 41.7 V V00
2022-03-23 03:03:27 C 03 57 29.97 +18 54 43.0 V V00
2023-01-23 10:14:58 C 09 31 41.970 +09 13 05.75 U F52
2023-01-23 10:32:25 C 09 31 41.353 +09 13 08.30 U F52
2023-01-23 10:49:59 C 09 31 40.708 +09 13 10.93 U F52
2023-01-23 11:07:37 C 09 31 40.057 +09 13 13.47 U F52
2025-03-28 13:06:04 C 14 20 19.122 -16 46 30.97 X F51
2025-03-28 13:24:45 C 14 20 18.590 -16 46 28.48 X F51
2025-03-28 13:43:25 C 14 20 18.049 -16 46 25.86 X F51
2025-04-22 06:54:19 C 13 59 19.252 -14 50 05.28 V G96
2025-04-22 07:02:27 C 13 59 18.884 -14 50 03.19 V G96
2025-04-22 07:10:36 C 13 59 18.553 -14 50 01.00 V G96
2025-04-22 07:18:46 C 13 59 18.197 -14 49 59.30 V G96
2025-04-25 07:38:15 C 13 56 19.907 -14 31 53.62 V V00
2025-04-25 07:46:20 C 13 56 19.568 -14 31 51.49 V V00
2025-04-25 07:54:24 C 13 56 19.230 -14 31 49.55 V V00
2025-04-25 08:02:29 C 13 56 18.877 -14 31 47.28 V V00
2025-05-28 07:46:52 C 13 28 13.366 -11 16 21.55 X F51
2025-05-28 08:04:45 C 13 28 12.905 -11 16 17.77 X F51
2025-05-28 08:22:39 C 13 28 12.463 -11 16 14.55 X F51