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
2022-10-18 13:38:45 C 02 20 00.132 +11 06 11.52 U F52
2022-10-18 13:53:20 C 02 19 59.213 +11 06 11.03 U F52
2022-10-18 14:07:56 C 02 19 58.289 +11 06 10.43 U F52
2022-10-18 15:00:12 C 02 19 55.886 +11 06 16.74 V P07
2022-10-18 16:12:19 C 02 19 51.293 +11 06 14.62 V P07
2022-10-18 17:25:52 C 02 19 46.591 +11 06 12.53 V P07
2022-10-18 18:22:29 C 02 19 42.977 +11 06 10.37 V P07
2022-10-18 19:25:17 C 02 19 38.950 +11 06 09.11 V P07
2022-10-19 15:18:25 C 02 18 26.69 +11 05 18.3 V D29
2022-10-19 15:43:53 C 02 18 25.09 +11 05 17.5 V D29
2022-10-19 16:09:20 C 02 18 23.48 +11 05 16.6 V D29
2022-10-21 07:05:14 C 02 16 00.793 +11 03 53.96 V 703
2022-10-21 07:12:49 C 02 16 00.394 +11 03 53.82 V 703
2022-10-21 07:20:27 C 02 15 59.839 +11 03 53.78 V 703
2022-10-21 07:28:02 C 02 15 59.440 +11 03 53.39 V 703
2022-10-21 11:39:30 C 02 15 43.841 +11 03 45.63 U F52
2022-10-21 12:04:45 C 02 15 42.234 +11 03 44.61 U F52
2022-10-21 12:22:36 C 02 15 41.096 +11 03 43.94 U F52
2022-10-23 10:46:46 C 02 12 52.174 +11 01 59.20 V T08
2022-10-23 11:16:14 C 02 12 50.299 +11 01 57.90 V T08
2022-10-23 11:17:34 C 02 12 50.242 +11 01 58.44 V T08
2022-10-23 11:25:57 C 02 12 49.666 +11 01 57.76 V T08
2022-10-27 06:21:53 C 02 07 24.920 +10 58 27.05 V 703
2022-10-27 06:29:25 C 02 07 24.456 +10 58 27.08 V 703
2022-10-27 06:37:00 C 02 07 24.114 +10 58 26.00 V 703
2022-10-27 06:44:31 C 02 07 23.560 +10 58 24.92 V 703
2022-10-29 08:44:27 C 02 04 30.741 +10 56 37.51 U F52
2022-10-29 09:00:11 C 02 04 29.804 +10 56 37.03 U F52
2022-10-29 09:16:05 C 02 04 28.861 +10 56 36.48 U F52
2022-10-29 14:49:14 C 02 04 10.027 +10 56 31.63 V P07
2022-10-29 16:39:21 C 02 04 03.44 +10 56 18.3 V D29
2022-10-29 16:49:32 C 02 04 02.88 +10 56 18.2 V D29
2022-10-29 16:58:11 C 02 04 02.395 +10 56 27.60 V P07
2022-10-29 16:59:43 C 02 04 02.29 +10 56 17.9 V D29
2022-10-29 17:02:08 C 02 04 02.155 +10 56 27.10 V P07
2022-10-29 17:59:59 C 02 03 58.769 +10 56 24.94 V P07
2022-10-30 06:18:13 C 02 03 17.723 +10 55 50.66 V 703
2022-10-30 06:25:50 C 02 03 17.262 +10 55 49.55 V 703
2022-10-30 06:33:27 C 02 03 16.841 +10 55 50.02 V 703
2022-10-30 06:41:03 C 02 03 16.340 +10 55 49.76 V 703
2022-10-30 10:03:33 C 02 03 04.946 +10 55 44.87 V T08
2022-10-30 10:04:13 C 02 03 04.930 +10 55 44.26 V T08
2022-10-30 10:31:39 C 02 03 03.322 +10 55 43.28 V T08
2022-10-30 10:37:07 C 02 03 02.954 +10 55 44.15 V T08
2022-10-31 07:49:39 C 02 01 52.961 +10 55 01.48 U F52
2022-10-31 08:05:19 C 02 01 52.064 +10 55 01.08 U F52
2022-10-31 08:21:05 C 02 01 51.151 +10 55 00.63 U F52
2022-11-14 06:20:51 C 01 46 28.295 +10 51 08.00 U F52
2022-11-14 06:35:45 C 01 46 27.735 +10 51 08.45 U F52
2022-11-14 06:50:38 C 01 46 27.168 +10 51 08.61 U F52