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
2022-05-07 07:41:40 C 14 30 02.707 +52 08 57.52 V 703
2022-05-07 07:49:23 C 14 30 02.023 +52 09 11.81 V 703
2022-05-11 07:24:08 C 14 20 57.512 +54 56 34.44 V 703
2022-05-11 07:39:46 C 14 20 56.080 +54 56 59.35 V 703
2022-05-11 07:47:33 C 14 20 55.205 +54 57 12.24 V 703
2022-05-19 05:33:01 C 14 01 22.235 +59 31 13.37 V G96
2022-05-19 05:41:18 C 14 01 21.317 +59 31 23.70 V G96
2022-05-19 05:49:34 C 14 01 20.413 +59 31 34.00 V G96
2022-05-19 05:57:50 C 14 01 19.495 +59 31 44.33 V G96
2022-05-28 06:29:37 C 13 38 11.292 +63 19 01.60 V 703
2022-05-28 06:43:46 C 13 38 09.712 +63 19 14.41 V 703
2022-05-28 06:50:51 C 13 38 08.862 +63 19 19.70 V 703
2022-06-01 06:11:53 C 13 28 19.844 +64 35 22.27 V 703
2022-06-01 06:19:37 C 13 28 19.096 +64 35 27.31 V 703
2022-06-01 06:27:20 C 13 28 18.253 +64 35 34.22 V 703
2022-06-01 06:35:05 C 13 28 17.396 +64 35 39.26 V 703
2022-06-09 08:24:24 C 13 10 07.400 +66 35 50.71 U F52
2022-06-09 08:59:26 C 13 10 04.235 +66 36 08.56 U F52
2022-06-09 09:16:57 C 13 10 02.628 +66 36 17.20 U F52
2022-06-11 08:47:35 C 13 06 03.890 +67 00 10.22 U F52
2022-06-11 09:04:18 C 13 06 02.407 +67 00 17.85 U F52
2022-06-11 09:37:51 C 13 05 59.599 +67 00 33.36 U F52
2022-07-16 07:26:19 C 12 31 18.217 +71 38 13.38 U F52
2022-07-16 07:40:06 C 12 31 18.130 +71 38 17.15 U F52
2022-07-16 07:53:55 C 12 31 17.990 +71 38 20.95 U F52
2022-09-14 15:22:20 S 19 08 11.018 +83 25 59.59 L C51
2022-09-14 18:30:06 S 19 12 26.429 +83 21 45.40 L C51
2022-09-14 21:37:52 S 19 16 38.671 +83 17 20.69 L C51
2022-09-15 00:45:38 S 19 20 47.861 +83 12 45.86 L C51
2022-09-15 06:54:14 C 19 28 43.925 +83 03 32.83 V T08
2022-09-15 06:56:14 C 19 28 46.375 +83 03 29.34 V T08
2022-09-15 06:58:14 C 19 28 48.730 +83 03 26.03 V T08
2022-09-15 07:00:14 C 19 28 51.434 +83 03 23.11 V T08
2022-09-15 07:07:33 C 19 29 00.430 +83 03 11.92 V T08
2022-09-15 07:08:53 C 19 29 02.215 +83 03 08.71 V T08
2022-09-15 07:22:11 C 19 29 18.468 +83 02 48.62 V T08
2022-09-15 07:24:11 C 19 29 20.990 +83 02 44.56 V T08
2022-09-15 09:00:14 C 19 31 20.083 +83 00 05.47 V T08
2022-09-19 09:03:51 C 21 05 11.976 +79 03 45.90 V T08
2022-09-19 09:09:11 C 21 05 15.624 +79 03 28.58 V T08
2022-09-19 09:17:58 C 21 05 21.857 +79 02 58.78 V T08
2022-09-19 09:33:58 C 21 05 32.714 +79 02 06.61 V T08
2022-09-19 09:56:38 C 21 05 48.103 +79 00 50.18 V T08
2022-09-19 10:02:37 C 21 05 52.342 +79 00 30.71 V T08
2022-09-19 10:10:37 C 21 05 57.490 +79 00 04.14 V T08
2022-09-19 10:27:55 C 21 06 09.502 +78 59 06.58 V T08
2022-09-21 09:36:08 C 21 34 51.718 +76 05 07.84 V T05
2022-09-21 09:40:41 C 21 34 53.993 +76 04 48.86 V T05
2022-09-21 09:54:00 C 21 35 00.660 +76 03 53.96 V T05
2022-09-21 10:12:58 C 21 35 10.078 +76 02 34.73 V T05