451003 (2008 UD1)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4636025855 ± 2.49e-08
Semi-major axis (a)1.7149762383 AU ± 8.02e-10
Inclination (i)6.48134952° ± 2.99e-06
Long. of Asc. Node (Ω)154.17571421° ± 2.79e-05
Arg. of Perihelion (ω)6.71825292° ± 2.87e-05
Mean Anomaly (M)123.86350173° ± 2.04e-06
Mean Motion (n)0.4388591075°/day ± 3.08e-10
Perihelion dist (q)0.91990882 AU ± 4.28e-08
Aphelion dist (Q)2.51004366 AU ± 4.28e-08
Orbital Period2.24588317 yr ± 1.58e-09
Physical Parameters
H (abs. magnitude)19.49
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.267″
Uncertainty0
Orbit TypeApollo
MOID0.049863 AU
Observations Used220
Oppositions9
Arc Total2008-2025
First Observation Used2008-10-03
Last Observation Used2025-01-12
Observations (239)
Date Type RA Dec Mag Band Observatory
2014-07-24 07:09:00 C 21 07 44.90 -11 17 54.0 u H21
2014-07-25 06:14:30 C 21 06 23.69 -11 26 12.5 u H21
2014-07-25 06:38:14 C 21 06 22.24 -11 26 20.9 u H21
2014-07-25 07:03:24 C 21 06 20.73 -11 26 30.2 u H21
2015-10-13 08:57:42 C 05 44 14.47 +12 22 53.3 t 705
2015-10-13 08:59:34 C 05 44 14.59 +12 22 52.7 t 705
2015-10-13 09:01:27 C 05 44 14.74 +12 22 52.1 t 705
2015-10-16 09:58:12 C 05 49 33.86 +11 58 21.1 o 291
2015-10-16 10:02:22 C 05 49 34.16 +11 58 19.9 o 291
2015-10-16 10:06:31 C 05 49 34.45 +11 58 18.0 o 291
2015-11-14 08:46:43 C 06 39 40.65 +05 56 55.3 o 291
2015-11-14 08:50:02 C 06 39 40.89 +05 56 52.9 o 291
2015-11-14 08:53:21 C 06 39 41.12 +05 56 50.7 o 291
2015-11-15 09:04:08 C 06 41 26.92 +05 39 07.9 u H21
2015-11-15 09:08:30 C 06 41 27.24 +05 39 04.9 u H21
2015-11-15 09:12:51 C 06 41 27.52 +05 39 01.5 u H21
2015-11-15 09:17:12 C 06 41 27.82 +05 38 58.3 u H21
2015-11-15 09:19:58 C 06 41 28.04 +05 38 56.3 u H21
2015-12-05 15:06:13 C 07 20 58.14 -02 06 58.1 u Q60
2015-12-05 15:19:30 C 07 20 59.36 -02 07 13.4 u Q60
2015-12-05 15:32:49 C 07 21 00.51 -02 07 31.2 u Q60
2015-12-24 04:54:48 C 08 21 13.00 -14 39 18.6 u 807
2015-12-24 04:55:29 C 08 21 13.13 -14 39 19.7 u 807
2015-12-24 04:56:09 C 08 21 13.27 -14 39 21.5 u 807
2015-12-24 04:56:50 C 08 21 13.39 -14 39 22.8 u 807
2015-12-24 04:57:31 C 08 21 13.52 -14 39 24.5 u 807
2015-12-31 08:36:10 C 09 04 58.46 -22 07 26.3 R G45
2015-12-31 08:37:32 C 09 04 58.87 -22 07 30.1 R G45
2015-12-31 08:43:29 C 09 05 00.70 -22 07 47.6 R G45
2015-12-31 08:50:49 C 09 05 02.93 -22 08 08.9 R G45
2015-12-31 08:50:55 C 09 05 02.95 -22 08 09.3 R G45
2015-12-31 08:58:12 C 09 05 05.17 -22 08 30.6 R G45
2015-12-31 09:05:34 C 09 05 07.44 -22 08 52.3 R G45
2016-01-01 08:46:16 C 09 12 58.25 -23 18 44.8 o 691
2016-01-01 08:48:31 C 09 12 58.99 -23 18 51.5 o 691
2016-01-01 08:50:46 C 09 12 59.72 -23 18 58.3 o 691
2016-01-01 14:02:18 C 09 14 45.00 -23 34 23.8 L T05
2016-01-01 14:29:23 C 09 14 54.01 -23 35 44.3 L T05
2016-01-01 14:38:24 C 09 14 57.01 -23 36 11.4 L T05
2016-01-01 15:18:13 C 09 15 10.33 -23 38 09.3 L T05
2016-01-02 11:29:08 C 09 22 26.18 -24 39 29.5 o 691
2016-01-02 11:35:07 C 09 22 28.29 -24 39 47.5 o 691
2016-01-02 11:41:06 C 09 22 30.40 -24 40 05.6 o 691
2016-01-03 09:14:53 C 09 30 46.61 -25 46 30.1 R G45
2016-01-03 09:22:15 C 09 30 49.40 -25 46 53.2 R G45
2016-01-03 09:29:18 C 09 30 52.05 -25 47 15.1 R G45
2016-01-03 09:36:46 C 09 30 54.87 -25 47 38.4 R G45
2016-01-03 09:44:14 C 09 30 57.69 -25 48 01.5 R G45
2016-01-03 09:44:20 C 09 30 57.74 -25 48 01.9 R G45
2016-01-11 06:41:02 C 11 08 35.41 -35 01 03.5 u 807