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
2003-10-30 02:28:38 C 21 33 19.04 -09 02 08.9 17.5 c 704
2003-10-30 03:04:44 C 21 33 26.45 -09 04 26.9 18.5 c 704
2003-10-30 03:24:21 C 21 33 30.41 -09 05 40.8 18.5 c 704
2003-10-30 03:42:03 C 21 33 34.04 -09 06 47.8 18.6 c 704
2003-10-30 11:42:44 C 21 35 13.64 -09 36 21.6 r E14
2003-10-30 11:52:59 C 21 35 15.73 -09 37 01.0 r E14
2003-10-30 12:03:13 C 21 35 17.76 -09 37 39.2 r E14
2003-11-05 02:49:39 C 22 01 00.83 -16 41 57.5 r 448
2003-11-05 03:02:54 C 22 01 03.13 -16 42 32.3 r 448
2003-11-05 03:15:38 C 22 01 05.32 -16 43 05.6 r 448
2003-11-16 05:11:17 C 22 41 56.58 -25 07 35.1 r 448
2003-11-16 05:26:49 C 22 41 58.66 -25 07 55.1 r 448
2003-11-16 05:47:51 C 22 42 01.57 -25 08 24.2 r 448
2003-12-07 12:38:32 C 23 39 47.24 -30 56 20.8 r 413
2003-12-07 13:05:17 C 23 39 49.84 -30 56 27.4 r 413
2007-02-09 12:04:00 C 16 12 24.12 +00 48 10.5 o 291
2007-02-09 12:11:43 C 16 12 24.92 +00 48 19.8 o 291
2007-02-09 12:19:22 C 16 12 25.66 +00 48 26.4 o 291
2007-03-10 11:20:49 C 17 29 55.96 +17 15 27.9 o 291
2007-03-10 11:29:42 C 17 29 57.13 +17 15 44.7 o 291
2007-03-10 11:35:18 C 17 29 57.81 +17 15 56.4 o 291
2007-09-14 08:52:04 C 04 44 46.26 -06 39 13.9 r 448
2007-09-14 09:22:36 C 04 44 46.72 -06 40 36.9 r 448
2007-09-14 09:59:27 C 04 44 47.36 -06 42 17.6 r 448
2018-03-21 08:04:57 C 13 07 47.95 -12 18 37.1 U G96
2018-03-21 08:14:53 C 13 07 47.45 -12 18 27.8 U G96
2018-03-21 08:27:23 C 13 07 46.87 -12 18 14.1 U G96
2018-03-21 08:34:48 C 13 07 46.44 -12 18 06.6 U G96
2018-04-11 07:17:55 C 12 39 21.26 -02 03 59.5 U 703
2018-04-11 07:25:26 C 12 39 20.80 -02 03 50.1 U 703
2018-04-11 07:40:29 C 12 39 19.89 -02 03 30.5 U 703
2018-05-10 04:44:22 C 12 03 20.62 +12 24 21.3 o 691
2018-05-10 05:00:42 C 12 03 20.02 +12 24 38.0 o 691
2018-05-10 05:16:54 C 12 03 19.38 +12 24 55.0 o 691
2018-05-10 06:01:09 C 12 03 17.74 +12 25 40.0 U G96
2018-05-10 06:08:46 C 12 03 17.54 +12 25 48.0 U G96
2018-05-10 06:16:20 C 12 03 17.16 +12 25 55.3 U G96
2018-05-10 06:23:55 C 12 03 16.93 +12 26 02.0 U G96
2022-03-05 12:01:54 C 15 06 54.98 -01 55 36.9 V G96
2022-03-05 12:07:59 C 15 06 55.12 -01 55 29.2 V G96
2022-03-05 12:14:04 C 15 06 55.24 -01 55 21.5 V G96
2022-03-05 12:20:10 C 15 06 55.40 -01 55 13.7 V G96
2022-03-07 10:35:45 C 15 08 04.74 -00 54 33.1 V G96
2022-03-07 10:43:15 C 15 08 04.89 -00 54 23.8 V G96
2022-03-07 10:50:45 C 15 08 05.10 -00 54 12.8 V G96
2022-03-07 10:58:15 C 15 08 05.25 -00 54 02.6 V G96
2022-03-10 14:18:48 C 15 09 46.314 +00 52 04.20 U F52
2022-03-10 14:35:30 C 15 09 46.627 +00 52 28.87 U F52
2022-03-10 14:52:11 C 15 09 46.938 +00 52 53.45 U F52
2022-03-16 08:19:29 C 15 12 11.41 +04 30 59.7 V G96