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
2003-12-17 01:46:23 C 23 27 39.19 -01 14 33.8 o 699
2003-12-17 02:05:32 C 23 27 41.75 -01 14 19.5 o 699
2003-12-17 02:24:47 C 23 27 44.33 -01 14 06.9 o 699
2003-12-17 02:43:53 C 23 27 46.93 -01 13 52.9 o 699
2003-12-21 01:41:31 C 23 40 30.95 -00 08 06.9 19.0 c 704
2003-12-21 02:01:50 C 23 40 33.58 -00 07 53.0 19.1 c 704
2003-12-21 02:21:04 C 23 40 36.12 -00 07 39.6 19.0 c 704
2003-12-21 02:40:26 C 23 40 38.65 -00 07 26.5 19.0 c 704
2003-12-21 02:59:28 C 23 40 41.14 -00 07 13.2 18.9 c 704
2003-12-22 01:43:10 C 23 43 41.60 +00 08 26.9 19.7 c 704
2003-12-22 02:02:04 C 23 43 44.05 +00 08 38.9 19.9 c 704
2003-12-22 02:21:25 C 23 43 46.62 +00 08 52.4 20.0 c 704
2003-12-22 02:40:11 C 23 43 49.01 +00 09 06.5 19.8 c 704
2003-12-22 02:59:26 C 23 43 51.65 +00 09 20.7 19.8 c 704
2004-01-12 05:48:08 C 00 46 59.95 +05 43 15.6 o 608
2004-01-12 06:03:25 C 00 47 01.65 +05 43 24.3 o 608
2004-01-12 06:18:55 C 00 47 03.36 +05 43 33.4 o 608
2004-02-13 02:06:19 C 02 11 03.56 +12 41 07.5 d 291
2004-02-13 02:26:32 C 02 11 05.58 +12 41 17.2 d 291
2004-02-13 02:32:21 C 02 11 06.15 +12 41 20.5 d 291
2005-01-15 07:52:59 C 09 31 00.85 +09 23 32.3 d 291
2005-01-15 07:59:27 C 09 31 00.63 +09 23 33.5 d 291
2005-01-15 08:05:56 C 09 31 00.45 +09 23 34.5 d 291
2005-01-17 07:54:53 C 09 29 24.40 +09 29 46.3 d 291
2005-01-17 08:03:00 C 09 29 24.03 +09 29 48.7 d 291
2005-01-17 08:10:25 C 09 29 23.93 +09 29 48.5 d 291
2007-04-20 05:51:31 C 13 52 47.26 -14 26 44.1 o 691
2007-04-20 06:19:03 C 13 52 46.12 -14 26 37.1 o 691
2008-11-23 08:03:48 C 08 00 20.79 +17 03 34.6 o H55
2008-11-23 08:24:31 C 08 00 20.46 +17 03 33.7 o H55
2008-11-23 08:33:26 C 08 00 20.33 +17 03 33.3 o H55
2008-11-23 08:41:55 C 08 00 20.20 +17 03 32.9 o H55
2012-05-10 07:13:50 C 18 11 22.51 -21 46 52.9 o 807
2012-05-10 07:21:04 C 18 11 22.55 -21 46 51.9 o 807
2012-05-10 07:28:55 C 18 11 22.60 -21 46 50.9 o 807
2012-05-12 09:01:17 C 18 11 43.89 -21 40 09.1 o 807
2012-05-12 10:03:53 C 18 11 44.09 -21 40 00.3 o 807
2012-05-12 10:15:25 C 18 11 44.14 -21 39 58.2 o 807
2012-06-23 00:37:58 C 17 48 18.67 -18 38 50.0 o 954
2012-06-23 00:45:47 C 17 48 18.27 -18 38 49.5 o 954
2012-06-23 00:51:21 C 17 48 17.98 -18 38 48.2 o 954
2012-06-23 06:29:28 C 17 48 02.18 -18 37 33.5 18.6 c 704
2012-06-23 06:44:17 C 17 48 01.41 -18 37 31.6 18.8 c 704
2012-06-23 06:59:03 C 17 48 00.65 -18 37 28.0 18.5 c 704
2012-06-23 07:14:00 C 17 47 59.98 -18 37 25.6 19.1 c 704
2012-08-04 03:08:24 C 17 17 35.00 -15 49 54.1 t H21
2012-08-04 03:16:54 C 17 17 35.02 -15 49 53.8 t H21
2012-08-04 03:25:15 C 17 17 35.07 -15 49 53.0 t H21
2012-08-04 03:33:01 C 17 17 35.09 -15 49 52.5 t H21
2012-10-15 01:47:35 C 19 44 39.14 -14 47 52.4 18.7 c 704