516428 (2003 UR12)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5667486355 ± 1.42e-08
Semi-major axis (a)2.4315887258 AU ± 1.16e-09
Inclination (i)60.47327866° ± 7.31e-06
Long. of Asc. Node (Ω)193.99005612° ± 1.38e-06
Arg. of Perihelion (ω)122.22061298° ± 5.42e-06
Mean Anomaly (M)309.63546329° ± 1.72e-06
Mean Motion (n)0.2599423821°/day ± 1.85e-10
Perihelion dist (q)1.05348913 AU ± 3.45e-08
Aphelion dist (Q)3.80968832 AU ± 3.46e-08
Orbital Period3.79171059 yr ± 2.71e-09
Physical Parameters
H (abs. magnitude)17.73
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.251″
Uncertainty0
Orbit TypeAmor
MOID0.241982 AU
Observations Used463
Oppositions14
Arc Total2003-2022
First Observation Used2003-10-21
Last Observation Used2022-11-14
Observations (495)
Date Type RA Dec Mag Band Observatory
2003-10-21 03:55:52 C 20 41 52.39 +07 52 34.4 18.8 c 704
2003-10-21 04:12:33 C 20 41 56.94 +07 51 01.3 18.8 c 704
2003-10-21 04:29:09 C 20 42 01.40 +07 49 28.9 18.7 c 704
2003-10-21 04:46:14 C 20 42 06.01 +07 47 54.8 19.3 c 704
2003-10-22 01:47:25 C 20 47 46.84 +05 51 48.4 19.1 c 704
2003-10-22 02:03:04 C 20 47 50.89 +05 50 25.1 18.5 c 704
2003-10-22 02:04:21 C 20 47 51.25 +05 50 17.1 17.9 c 704
2003-10-22 02:19:43 C 20 47 55.25 +05 48 54.5 18.2 c 704
2003-10-22 02:21:21 C 20 47 55.68 +05 48 45.3 18.1 c 704
2003-10-22 02:36:23 C 20 47 59.59 +05 47 23.6 18.2 c 704
2003-10-22 02:38:23 C 20 48 00.11 +05 47 12.8 18.2 c 704
2003-10-22 02:44:25 C 20 48 01.78 +05 46 40.5 c 926
2003-10-22 02:45:40 C 20 48 02.10 +05 46 33.3 c 926
2003-10-22 02:46:58 C 20 48 02.44 +05 46 26.2 c 926
2003-10-22 02:52:46 C 20 48 03.86 +05 45 54.1 18.5 c 704
2003-10-22 02:55:21 C 20 48 04.56 +05 45 40.3 18.5 c 704
2003-10-22 03:34:39 C 20 48 15.01 +05 42 06.2 c 673
2003-10-22 03:36:39 C 20 48 15.51 +05 41 55.8 c 673
2003-10-22 03:38:30 C 20 48 15.99 +05 41 45.8 c 673
2003-10-22 03:40:20 C 20 48 16.49 +05 41 34.8 c 673
2003-10-22 03:42:09 C 20 48 16.96 +05 41 24.7 c 673
2003-10-22 03:44:00 C 20 48 17.46 +05 41 14.6 c 673
2003-10-22 05:23:31 C 20 48 43.25 +05 32 14.3 r 448
2003-10-22 05:28:47 C 20 48 44.63 +05 31 45.6 r 448
2003-10-22 05:37:23 C 20 48 46.89 +05 30 58.9 r 448
2003-10-22 09:38:07 C 20 49 51.22 +05 09 39.9 m E15
2003-10-22 09:43:12 C 20 49 52.53 +05 09 11.9 m E15
2003-10-22 09:43:49 C 20 49 52.68 +05 09 08.4 m E15
2003-10-22 09:44:24 C 20 49 52.84 +05 09 05.6 m E15
2003-10-22 09:45:01 C 20 49 53.03 +05 09 02.4 m E15
2003-10-23 02:07:25 C 20 54 09.35 +03 41 22.7 18.9 c 704
2003-10-23 02:23:51 C 20 54 13.52 +03 39 56.1 18.9 c 704
2003-10-23 02:40:27 C 20 54 17.76 +03 38 28.6 18.4 c 704
2003-10-23 02:56:55 C 20 54 21.90 +03 37 01.8 18.3 c 704
2003-10-23 19:33:54 C 20 58 36.56 +02 10 39.7 r 938
2003-10-23 20:17:26 C 20 58 47.32 +02 06 57.1 r 938
2003-10-23 20:56:40 C 20 58 57.07 +02 03 37.1 r 938
2003-10-24 01:59:37 C 21 00 13.56 +01 37 54.9 18.2 c 704
2003-10-24 02:20:30 C 21 00 18.67 +01 36 08.9 19.1 c 704
2003-10-24 03:07:29 C 21 00 30.24 +01 32 10.9 18.5 c 704
2003-10-24 03:31:50 C 21 00 36.23 +01 30 07.4 18.5 c 704
2003-10-27 18:48:12 C 21 21 16.18 -05 18 00.3 r 185
2003-10-27 18:52:42 C 21 21 17.15 -05 18 18.8 r 185
2003-10-27 18:55:48 C 21 21 17.82 -05 18 32.5 r 185
2003-10-28 18:43:41 C 21 26 32.85 -06 57 46.6 c 246
2003-10-28 18:44:11 C 21 26 32.98 -06 57 49.2 c 246
2003-10-28 18:44:53 C 21 26 33.13 -06 57 51.6 c 246
2003-10-28 18:46:22 C 21 26 33.41 -06 57 57.7 c 246
2003-10-28 18:47:01 C 21 26 33.57 -06 58 00.6 c 246
2003-10-28 18:48:16 C 21 26 33.86 -06 58 05.3 c 246