2023 UN9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1730321111 ± 8.75e-08
Semi-major axis (a)0.9772734374 AU ± 1.21e-08
Inclination (i)18.28464081° ± 7.44e-06
Long. of Asc. Node (Ω)64.44257147° ± 2.71e-06
Arg. of Perihelion (ω)191.37907376° ± 1.92e-05
Mean Anomaly (M)165.42773163° ± 2.69e-05
Mean Motion (n)1.0202066126°/day ± 1.90e-08
Perihelion dist (q)0.80817375 AU ± 8.61e-08
Aphelion dist (Q)1.14637312 AU ± 8.67e-08
Orbital Period0.96610458 yr ± 1.80e-08
Physical Parameters
H (abs. magnitude)20.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.271″
Uncertainty0
Orbit TypeAten
MOID0.150590 AU
Observations Used355
Oppositions1
Arc Total2021-2025
First Observation Used2021-01-06
Last Observation Used2025-12-27
Observations (398)
Date Type RA Dec Mag Band Observatory
2023-11-11 10:00:03 C 00 30 23.59 -40 23 56.5 V 474
2023-11-11 10:03:38 C 00 30 23.32 -40 23 41.9 V 474
2023-11-11 10:05:25 C 00 30 23.24 -40 23 34.1 V 474
2023-11-11 10:09:00 C 00 30 22.97 -40 23 19.2 V 474
2023-11-15 00:55:00 C 00 26 08.510 -34 24 47.40 u 807
2023-11-15 01:00:53 C 00 26 08.070 -34 24 24.20 u 807
2023-11-15 01:06:47 C 00 26 07.770 -34 24 00.00 u 807
2023-11-17 10:30:14 C 00 24 11.20 -30 32 19.1 V 474
2023-11-17 10:35:23 C 00 24 11.03 -30 31 58.1 V 474
2023-11-17 10:40:32 C 00 24 10.89 -30 31 37.5 V 474
2023-11-17 10:45:40 C 00 24 10.74 -30 31 17.0 V 474
2023-12-03 01:58:45 C 00 23 14.790 -08 45 17.40 u 807
2023-12-03 02:08:12 C 00 23 14.840 -08 44 49.30 u 807
2023-12-03 02:17:38 C 00 23 15.010 -08 44 21.10 u 807
2023-12-03 04:13:02 C 00 23 17.35 -08 39 12.8 V 691
2023-12-03 04:23:26 C 00 23 17.45 -08 38 42.3 V 691
2023-12-03 04:33:50 C 00 23 17.55 -08 38 11.8 V 691
2023-12-07 03:04:46 C 00 25 19.607 -04 14 33.79 V G96
2023-12-07 03:12:59 C 00 25 19.690 -04 14 12.19 V G96
2023-12-07 03:21:10 C 00 25 19.841 -04 13 50.09 V G96
2023-12-07 03:29:21 C 00 25 19.960 -04 13 28.42 V G96
2023-12-16 04:23:31 C 00 32 24.30 +04 24 46.4 V 691
2023-12-16 04:36:06 C 00 32 24.80 +04 25 13.5 V 691
2023-12-16 04:48:42 C 00 32 25.17 +04 25 40.5 V 691
2024-01-29 02:14:51 C 01 40 18.29 +29 55 23.9 V 291
2024-01-29 02:42:58 C 01 40 20.65 +29 55 52.3 V 291
2024-10-11 08:18:43 C 06 12 10.064 -33 28 05.69 V W57
2024-10-11 08:58:49 C 06 12 06.603 -33 27 49.04 V W57
2024-10-30 07:19:52 C 05 14 27.866 -27 01 07.32 V W68
2024-10-30 07:25:54 C 05 14 26.688 -27 00 57.82 V W68
2024-10-30 07:36:04 C 05 14 24.638 -27 00 42.26 V W68
2024-10-30 08:24:38 C 05 14 14.659 -26 59 28.46 V W68
2024-10-31 23:09:30 C 05 06 37.246 -25 56 14.53 V M22
2024-10-31 23:13:46 C 05 06 36.257 -25 56 09.28 V M22
2024-10-31 23:49:55 C 05 06 28.490 -25 55 07.79 V M22
2024-10-31 23:54:29 C 05 06 27.542 -25 54 57.56 V M22
2024-11-01 00:01:39 C 05 06 26.018 -25 54 44.89 V M22
2024-11-01 01:14:23 B 05 06 10.382 -25 52 47.95 Z M49
2024-11-01 01:18:53 B 05 06 09.392 -25 52 40.06 Z M49
2024-11-01 01:23:22 B 05 06 08.411 -25 52 32.03 Z M49
2024-11-03 04:58:02 C 04 55 11.134 -24 15 50.44 V W68
2024-11-03 05:01:17 C 04 55 10.394 -24 15 43.02 V W68
2024-11-03 05:22:55 C 04 55 05.321 -24 14 59.96 V W68
2024-11-03 05:26:59 C 04 55 04.368 -24 14 52.19 V W68
2024-11-04 05:22:06 C 04 49 41.880 -23 25 01.92 V W68
2024-11-04 05:25:24 C 04 49 41.110 -23 24 54.90 V W68
2024-11-04 05:29:56 C 04 49 39.989 -23 24 45.40 V W68
2024-11-04 05:37:47 C 04 49 38.076 -23 24 28.44 V W68
2024-11-07 09:09:04 C 04 31 35.065 -20 25 31.40 V 703
2024-11-07 09:12:21 C 04 31 34.190 -20 25 24.24 V 703