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
2019-11-19 09:00:55 C 03 55 19.50 +24 24 07.2 V G96
2019-12-03 07:35:57 C 03 36 09.86 +23 58 10.4 V G96
2019-12-03 07:44:08 C 03 36 09.47 +23 58 09.6 V G96
2019-12-03 07:52:20 C 03 36 09.01 +23 58 08.7 V G96
2019-12-03 08:00:29 C 03 36 08.58 +23 58 08.2 V G96
2019-12-04 11:03:47 C 03 34 46.044 +23 55 35.18 U F52
2019-12-04 11:22:46 C 03 34 45.046 +23 55 33.35 U F52
2019-12-04 11:41:49 C 03 34 44.072 +23 55 31.56 U F52
2019-12-22 01:05:07 C 03 18 34.73 +23 17 48.3 u H21
2019-12-22 01:13:11 C 03 18 34.54 +23 17 48.0 u H21
2019-12-22 01:21:15 C 03 18 34.27 +23 17 47.0 u H21
2019-12-23 01:56:55 C 03 17 57.59 +23 16 02.7 u H21
2019-12-23 02:05:17 C 03 17 57.35 +23 16 02.0 u H21
2019-12-23 02:10:10 C 03 17 57.25 +23 16 02.2 u H21
2019-12-24 02:24:37 C 03 17 23.51 +23 14 24.1 u H21
2019-12-24 02:35:43 C 03 17 23.28 +23 14 23.3 u H21
2019-12-24 02:48:34 C 03 17 22.99 +23 14 22.8 u H21
2022-06-05 14:03:53 C 00 10 34.548 -07 43 30.69 U F52
2022-06-05 14:10:14 C 00 10 35.324 -07 43 25.90 U F52
2022-06-05 14:16:38 C 00 10 36.117 -07 43 21.22 U F52
2022-08-22 13:21:32 C 02 48 42.584 +08 48 38.85 U F52
2022-08-22 13:39:16 C 02 48 43.131 +08 48 43.92 U F52
2022-08-22 13:56:53 C 02 48 43.686 +08 48 48.39 U F52
2022-08-22 14:14:40 C 02 48 44.207 +08 48 53.02 U F52
2022-08-27 12:06:17 C 02 52 08.854 +09 18 45.04 U F52
2022-08-27 12:22:15 C 02 52 09.211 +09 18 48.87 U F52
2022-08-27 12:38:09 C 02 52 09.565 +09 18 52.66 U F52
2022-08-27 12:53:57 C 02 52 09.900 +09 18 56.49 U F52
2022-09-19 11:49:59 C 02 52 43.969 +10 50 29.25 U F51
2022-09-19 12:02:50 C 02 52 43.646 +10 50 30.51 U F51
2022-09-19 12:16:10 C 02 52 43.305 +10 50 31.77 U F51
2022-09-26 11:12:12 C 02 47 42.412 +11 03 17.62 U F52
2022-09-26 11:29:47 C 02 47 41.716 +11 03 18.66 U F52
2022-09-26 11:47:31 C 02 47 41.015 +11 03 19.71 U F52
2022-09-26 12:05:36 C 02 47 40.297 +11 03 20.73 U F52
2022-10-01 10:17:18 C 02 42 47.334 +11 08 25.97 U F52
2022-10-01 10:33:05 C 02 42 46.576 +11 08 26.53 U F52
2022-10-01 11:04:43 C 02 42 45.048 +11 08 27.58 U F52
2022-10-03 09:40:57 C 02 40 33.100 +11 09 36.22 V 703
2022-10-03 09:48:03 C 02 40 32.801 +11 09 36.04 V 703
2022-10-03 09:55:09 C 02 40 32.444 +11 09 35.71 V 703
2022-10-03 10:02:15 C 02 40 32.099 +11 09 36.76 V 703
2022-10-17 08:06:22 C 02 21 48.524 +11 07 05.27 V G96
2022-10-17 08:13:45 C 02 21 48.056 +11 07 05.02 V G96
2022-10-17 08:21:10 C 02 21 47.588 +11 07 04.80 V G96
2022-10-17 08:28:35 C 02 21 47.120 +11 07 04.66 V G96
2022-10-17 16:49:44 C 02 21 16.71 +11 06 49.2 V D29
2022-10-17 17:15:11 C 02 21 15.09 +11 06 48.6 V D29
2022-10-17 17:40:39 C 02 21 13.47 +11 06 47.9 V D29
2022-10-18 13:24:09 C 02 20 01.056 +11 06 12.10 U F52