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
2021-07-13 03:15:06 C 18 07 23.92 -15 40 53.5 q I18
2021-07-13 04:05:34 C 18 07 21.73 -15 40 42.2 q I18
2021-07-13 08:29:08 C 18 07 11.57 -15 39 38.2 V T08
2021-07-13 08:32:26 C 18 07 11.43 -15 39 37.7 V T08
2021-07-13 08:39:46 C 18 07 11.10 -15 39 36.0 V T08
2021-07-13 09:07:47 C 18 07 09.88 -15 39 29.7 V T08
2021-07-14 20:19:18 C 18 05 48.71 -15 31 40.0 V G17
2021-07-14 20:29:39 C 18 05 48.29 -15 31 37.4 V G17
2021-07-14 20:40:00 C 18 05 47.88 -15 31 35.4 V G17
2021-07-16 02:12:02 C 18 04 41.78 -15 25 05.8 q I18
2021-07-16 02:43:56 C 18 04 40.48 -15 24 58.7 q I18
2021-07-17 23:02:04 C 18 03 06.40 -15 15 11.0 q 807
2021-07-17 23:22:11 C 18 03 05.68 -15 15 07.3 q 807
2021-07-17 23:44:53 C 18 03 04.84 -15 15 03.3 q 807
2021-07-19 23:04:57 C 18 01 30.59 -15 05 17.3 q 807
2021-07-19 23:27:04 C 18 01 29.63 -15 05 16.5 q 807
2021-07-25 09:43:43 C 17 57 52.44 -14 41 00.3 V T08
2021-07-25 09:51:42 C 17 57 52.21 -14 40 58.8 V T08
2021-07-25 10:07:38 C 17 57 51.78 -14 40 55.7 V T08
2021-07-26 10:40:23 C 17 57 19.09 -14 36 43.5 V T05
2021-07-26 10:47:43 C 17 57 18.90 -14 36 42.7 V T05
2021-07-26 10:54:22 C 17 57 18.75 -14 36 41.2 V T05
2021-07-26 11:14:54 C 17 57 18.22 -14 36 37.6 V T05
2021-07-29 10:08:29 C 17 56 00.85 -14 25 18.5 V T08
2021-07-29 10:13:48 C 17 56 00.77 -14 25 17.2 V T08
2021-07-29 10:27:55 C 17 56 00.48 -14 25 15.3 V T08
2021-07-29 11:34:25 C 17 55 59.26 -14 25 05.0 V T08
2021-07-29 21:52:51 C 17 55 50.84 -14 23 38.4 V L63
2021-07-29 22:05:08 C 17 55 50.60 -14 23 36.5 V L63
2021-07-29 22:17:55 C 17 55 50.39 -14 23 34.8 V L63
2021-08-03 08:24:55 C 17 54 51.14 -14 09 11.8 V T05
2021-08-03 08:30:14 C 17 54 51.10 -14 09 11.2 V T05
2021-08-03 08:40:48 C 17 54 51.00 -14 09 09.7 V T05
2021-08-03 08:59:56 C 17 54 50.84 -14 09 07.5 V T05
2021-08-06 08:28:38 C 17 54 48.18 -14 01 06.6 V T08
2021-08-06 08:32:39 C 17 54 48.17 -14 01 06.3 V T08
2021-08-06 08:47:55 C 17 54 48.15 -14 01 04.5 V T08
2021-08-06 08:56:04 C 17 54 48.14 -14 01 03.8 V T08
2021-08-10 07:48:23 C 17 55 34.42 -13 52 25.9 V T08
2021-08-10 07:55:44 C 17 55 34.48 -13 52 25.4 V T08
2021-08-10 08:01:43 C 17 55 34.55 -13 52 24.8 V T08
2021-08-10 08:16:20 C 17 55 34.67 -13 52 23.5 V T08
2021-08-12 20:57:58 C 17 56 34.97 -13 48 07.0 V 160
2021-08-12 21:02:16 C 17 56 35.13 -13 48 05.1 V 160
2021-08-12 21:07:16 C 17 56 35.22 -13 48 05.7 V 160
2021-08-14 07:18:22 C 17 57 20.39 -13 45 53.5 V T08
2021-08-14 07:23:01 C 17 57 20.50 -13 45 53.0 V T08
2021-08-14 07:42:18 C 17 57 20.85 -13 45 51.6 V T08
2021-08-14 20:38:11 C 17 57 39.86 -13 45 13.3 X G02
2021-08-14 20:49:04 C 17 57 40.12 -13 45 12.7 X G02