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
2008-10-03 06:57:13 C 01 40 40.342 +01 36 57.35 645
2008-10-03 06:57:13 C 01 40 40.35 +01 36 57.3 n 645
2008-10-03 07:01:59 C 01 40 40.092 +01 36 55.25 645
2008-10-03 07:01:59 C 01 40 40.09 +01 36 55.2 n 645
2008-10-21 06:56:06 C 01 15 55.44 -01 55 00.6 r G96
2008-10-21 07:08:43 C 01 15 54.61 -01 55 06.9 r G96
2008-10-21 07:14:52 C 01 15 54.28 -01 55 10.3 r G96
2008-10-21 08:23:45 C 01 15 49.97 -01 55 42.2 r G96
2008-10-21 08:38:46 C 01 15 48.99 -01 55 49.8 r G96
2008-10-22 05:30:51 C 01 14 33.26 -02 05 29.4 r G96
2008-10-22 05:33:57 C 01 14 33.03 -02 05 32.0 r G96
2008-10-22 05:36:59 C 01 14 32.81 -02 05 33.5 r G96
2008-10-22 06:52:22 C 01 14 28.06 -02 06 07.5 o 291
2008-10-22 06:58:20 C 01 14 27.70 -02 06 09.7 o 291
2008-10-22 07:00:47 C 01 14 27.56 -02 06 11.9 r G96
2008-10-22 07:03:45 C 01 14 27.30 -02 06 11.6 o 291
2008-10-22 07:15:17 C 01 14 26.74 -02 06 19.2 r G96
2008-10-24 08:44:35 C 01 11 26.73 -02 28 42.7 o 291
2008-10-24 08:50:34 C 01 11 26.35 -02 28 45.4 o 291
2008-10-24 08:57:59 C 01 11 25.92 -02 28 48.6 o 291
2008-10-27 03:55:28 C 01 07 26.51 -02 57 48.0 o 291
2008-10-27 04:00:55 C 01 07 26.17 -02 57 50.4 o 291
2008-10-27 04:06:15 C 01 07 25.80 -02 57 52.7 o 291
2008-10-27 04:38:00 C 01 07 23.91 -02 58 06.4 r G96
2008-10-27 04:44:46 C 01 07 23.59 -02 58 09.1 r G96
2008-10-27 04:51:36 C 01 07 23.12 -02 58 12.2 r G96
2008-10-27 04:58:23 C 01 07 22.72 -02 58 15.1 r G96
2008-10-28 04:40:56 C 01 05 59.13 -03 08 04.2 o 291
2008-10-28 04:46:18 C 01 05 58.84 -03 08 06.4 o 291
2008-10-28 04:51:35 C 01 05 58.57 -03 08 08.5 o 291
2008-10-30 07:11:05 C 01 03 03.890 -03 28 12.73 645
2008-10-30 07:11:05 C 01 03 03.89 -03 28 12.8 n 645
2008-10-30 07:12:16 C 01 03 03.81 -03 28 13.2 n 645
2008-10-30 07:15:51 C 01 03 03.599 -03 28 14.90 645
2008-10-30 07:15:51 C 01 03 03.60 -03 28 15.0 n 645
2008-11-19 05:38:24 C 00 41 30.09 -05 31 17.2 o 291
2008-11-19 05:46:07 C 00 41 29.86 -05 31 18.2 o 291
2008-11-19 05:54:40 C 00 41 29.59 -05 31 19.2 o 291
2012-07-18 13:12:50 C 23 03 35.571 -04 42 16.13 t 568
2012-07-18 13:14:50 C 23 03 35.528 -04 42 16.57 t 568
2012-07-18 13:23:08 C 23 03 35.365 -04 42 18.11 t 568
2012-07-18 13:25:15 C 23 03 35.311 -04 42 18.46 t 568
2012-07-18 13:27:22 C 23 03 35.267 -04 42 18.90 t 568
2012-07-18 13:29:23 C 23 03 35.226 -04 42 19.28 t 568
2012-07-22 13:36:17 C 23 01 27.453 -05 02 08.03 t 568
2012-07-22 13:47:06 C 23 01 27.177 -05 02 10.38 t 568
2014-06-25 10:09:02 C 21 38 19.35 -08 16 01.7 o 291
2014-06-25 10:44:29 C 21 38 18.39 -08 16 06.9 o 291
2014-07-24 06:33:48 C 21 07 47.04 -11 17 41.2 u H21
2014-07-24 06:51:11 C 21 07 46.00 -11 17 47.1 u H21