427621 (2003 UN12)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4032349031 ± 2.01e-08
Semi-major axis (a)2.1572673682 AU ± 1.22e-09
Inclination (i)6.89818760° ± 2.08e-06
Long. of Asc. Node (Ω)40.48289988° ± 1.90e-05
Arg. of Perihelion (ω)257.88670556° ± 2.00e-05
Mean Anomaly (M)37.81087505° ± 2.50e-06
Mean Motion (n)0.3110687005°/day ± 2.64e-10
Perihelion dist (q)1.28738187 AU ± 4.34e-08
Aphelion dist (Q)3.02715287 AU ± 4.35e-08
Orbital Period3.16851641 yr ± 2.69e-09
Physical Parameters
H (abs. magnitude)18.33
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.275″
Uncertainty0
Orbit TypeAmor
MOID0.300979 AU
Observations Used377
Oppositions15
Arc Total2003-2025
First Observation Used2003-10-21
Last Observation Used2025-11-10
Observations (388)
Date Type RA Dec Mag Band Observatory
2006-06-17 16:10:13 C 20 45 56.88 -39 13 21.2 r E12
2006-06-26 16:21:55 C 21 10 37.20 -41 01 41.9 r E12
2006-06-26 16:35:34 C 21 10 38.56 -41 01 48.3 r E12
2006-06-26 16:48:38 C 21 10 39.90 -41 01 54.2 r E12
2006-06-26 17:01:19 C 21 10 41.12 -41 01 59.7 r E12
2006-07-10 03:53:41 C 21 42 22.85 -42 56 36.5 c 844
2006-07-10 04:08:11 C 21 42 24.05 -42 56 38.4 c 844
2006-07-10 04:30:38 C 21 42 25.74 -42 56 43.6 c 844
2006-07-10 04:47:39 C 21 42 27.06 -42 56 48.3 c 844
2006-07-10 05:05:02 C 21 42 28.40 -42 56 53.8 c 844
2006-07-27 13:44:17 C 22 08 05.92 -43 21 56.3 r E12
2006-07-27 13:59:20 C 22 08 06.36 -43 21 54.9 r E12
2006-07-27 14:29:31 C 22 08 07.22 -43 21 51.3 r E12
2006-07-31 12:36:19 C 22 11 11.02 -43 04 15.4 r 423
2006-07-31 13:22:24 C 22 11 11.95 -43 04 06.6 r 423
2006-08-23 14:23:25 C 22 15 36.32 -38 21 26.2 r E12
2006-08-23 14:38:32 C 22 15 36.18 -38 21 14.5 r E12
2006-08-23 14:53:31 C 22 15 36.00 -38 21 03.3 r E12
2006-08-23 15:08:26 C 22 15 35.85 -38 20 51.6 r E12
2006-09-03 11:13:23 C 22 15 16.27 -34 42 27.6 r E12
2006-09-03 11:44:19 C 22 15 16.20 -34 42 00.9 r E12
2006-09-12 14:35:18 C 22 16 24.16 -31 17 05.8 r E12
2006-09-12 14:59:58 C 22 16 24.24 -31 16 42.5 r E12
2006-09-12 15:12:16 C 22 16 24.31 -31 16 31.0 r E12
2006-11-25 02:25:41 C 23 27 58.64 -06 57 07.7 r G96
2006-11-25 02:32:09 C 23 27 59.04 -06 57 03.4 r G96
2006-11-25 02:38:36 C 23 27 59.43 -06 56 58.6 r G96
2006-11-25 02:44:57 C 23 27 59.79 -06 56 53.7 r G96
2009-03-15 10:56:31 C 14 02 51.45 -06 28 59.5 o 691
2009-03-15 11:22:57 C 14 02 51.02 -06 28 58.6 o 691
2009-03-15 11:49:02 C 14 02 50.68 -06 28 57.7 o 691
2009-03-19 07:44:26 C 14 01 24.33 -06 26 04.8 o 691
2009-03-19 08:09:48 C 14 01 23.82 -06 26 03.4 o 691
2009-03-19 08:35:08 C 14 01 23.23 -06 26 02.6 o 691
2009-03-28 06:13:09 C 13 55 48.67 -06 13 18.2 o 691
2009-03-28 06:38:37 C 13 55 47.78 -06 13 15.9 o 691
2009-03-28 07:04:03 C 13 55 46.92 -06 13 14.6 o 691
2009-03-31 06:10:39 C 13 53 14.94 -06 07 24.6 o 691
2009-03-31 06:36:07 C 13 53 13.91 -06 07 22.6 o 691
2009-03-31 07:01:37 C 13 53 12.90 -06 07 21.2 o 691
2009-04-02 05:56:26 C 13 51 22.10 -06 03 09.5 o 691
2009-04-02 06:26:55 C 13 51 20.79 -06 03 06.6 o 691
2009-04-02 06:52:24 C 13 51 19.71 -06 03 04.9 o 691
2009-04-17 05:42:10 C 13 33 26.17 -05 27 11.7 r 703
2009-04-17 05:49:11 C 13 33 25.74 -05 27 11.6 r 703
2009-04-17 05:56:06 C 13 33 25.27 -05 27 11.4 r 703
2009-04-17 06:02:59 C 13 33 24.87 -05 27 11.5 r 703
2009-04-18 07:46:32 C 13 31 56.60 -05 24 41.7 r G96
2009-04-18 08:00:34 C 13 31 55.77 -05 24 40.5 r G96
2009-04-18 08:14:34 C 13 31 54.91 -05 24 38.8 r G96