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
2022-11-14 07:05:38 C 01 46 26.601 +10 51 08.87 U F52
2022-11-17 06:08:30 C 01 44 03.484 +10 52 40.22 V G96
2022-11-17 06:15:59 C 01 44 03.239 +10 52 39.76 V G96
2022-11-17 06:23:28 C 01 44 03.005 +10 52 40.15 V G96
2022-11-17 06:30:57 C 01 44 02.749 +10 52 40.40 V G96
2022-11-26 09:55:02 C 01 38 52.445 +11 04 05.07 U F51
2022-11-26 10:10:17 C 01 38 52.173 +11 04 06.27 U F51
2022-11-26 10:25:31 C 01 38 51.905 +11 04 07.28 U F51
2025-05-31 00:47:34 C 18 51 19.836 -37 07 00.37 V M22
2025-05-31 01:02:46 C 18 51 20.782 -37 07 13.01 V M22
2025-05-31 01:43:46 C 18 51 23.479 -37 07 47.96 V M22
2025-05-31 01:49:10 C 18 51 23.832 -37 07 52.93 V M22
2025-05-31 23:16:42 C 18 52 57.223 -37 26 14.06 V M22
2025-05-31 23:19:18 C 18 52 57.389 -37 26 16.73 V M22
2025-05-31 23:23:25 C 18 52 57.650 -37 26 20.08 V M22
2025-06-04 21:43:16 C 18 59 42.005 -38 48 31.82 V M22
2025-06-04 21:47:53 C 18 59 42.295 -38 48 36.18 V M22
2025-06-04 21:55:17 C 18 59 42.790 -38 48 43.06 V M22
2025-06-05 23:10:57 C 19 01 29.741 -39 11 07.01 V M22
2025-06-05 23:14:15 C 19 01 29.957 -39 11 09.92 V M22
2025-06-05 23:18:48 C 19 01 30.266 -39 11 14.06 V M22
2025-06-07 04:44:25 C 19 03 35.299 -39 37 24.85 V W68
2025-06-07 04:47:41 C 19 03 35.494 -39 37 28.63 V W68
2025-06-07 05:27:07 C 19 03 37.951 -39 38 03.73 V W68
2025-06-18 04:52:01 C 19 21 52.474 -43 33 00.14 V W68
2025-06-18 04:56:14 C 19 21 52.738 -43 33 03.71 V W68
2025-06-18 05:00:51 C 19 21 53.002 -43 33 07.78 V W68
2025-06-18 05:16:27 C 19 21 53.897 -43 33 21.64 V W68
2025-06-24 03:07:18 C 19 31 20.434 -45 32 50.53 V W68
2025-06-24 03:16:34 C 19 31 20.993 -45 32 58.24 V W68
2025-06-24 03:24:32 C 19 31 21.444 -45 33 05.15 V W68
2025-06-24 03:31:49 C 19 31 21.862 -45 33 11.48 V W68
2025-06-28 02:01:52 C 19 37 27.878 -46 46 08.98 V W68
2025-06-28 02:16:44 C 19 37 28.742 -46 46 21.07 V W68
2025-06-28 02:18:50 C 19 37 28.860 -46 46 22.40 V W68
2025-06-30 04:55:39 C 19 40 39.703 -47 22 38.75 V W68
2025-06-30 04:59:37 C 19 40 39.907 -47 22 41.56 V W68
2025-06-30 05:33:48 C 19 40 41.712 -47 23 05.68 V W68
2025-06-30 05:44:22 C 19 40 42.269 -47 23 12.73 V W68
2025-07-02 00:46:40 C 19 43 23.047 -47 52 00.34 V M22
2025-07-02 00:51:17 C 19 43 23.282 -47 52 03.22 V M22
2025-07-02 01:05:40 C 19 43 24.050 -47 52 12.29 V M22
2025-07-04 04:56:08 C 19 46 37.690 -48 24 23.98 V W68
2025-07-04 05:00:48 C 19 46 37.886 -48 24 26.78 V W68
2025-07-04 05:06:44 C 19 46 38.198 -48 24 30.64 V W68
2025-07-04 05:14:01 C 19 46 38.570 -48 24 34.78 V W68
2025-07-08 03:52:55 C 19 52 23.880 -49 15 19.66 V W68
2025-07-08 04:06:36 C 19 52 24.566 -49 15 26.64 V W68
2025-07-08 04:11:14 C 19 52 24.794 -49 15 29.16 V W68
2025-07-13 06:13:00 C 19 59 34.118 -50 04 01.92 V W68