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
2024-11-07 09:15:38 C 04 31 33.388 -20 25 13.98 V 703
2024-11-07 09:18:55 C 04 31 32.462 -20 25 06.02 V 703
2024-11-07 10:25:28 C 04 31 15.727 -20 22 16.86 V U52
2024-11-07 10:28:29 C 04 31 14.950 -20 22 08.83 V U52
2024-11-07 10:31:28 C 04 31 14.218 -20 22 00.70 V U52
2024-11-08 04:44:40 C 04 26 41.664 -19 32 19.36 V W68
2024-11-08 04:48:00 C 04 26 40.776 -19 32 09.85 V W68
2024-11-08 04:52:34 C 04 26 39.578 -19 31 57.83 V W68
2024-11-08 05:00:24 C 04 26 37.478 -19 31 36.37 V W68
2024-11-08 09:44:27 C 04 25 23.768 -19 19 28.16 V G96
2024-11-08 09:51:55 C 04 25 21.770 -19 19 07.28 V G96
2024-11-08 09:59:23 C 04 25 19.758 -19 18 46.30 V G96
2024-11-08 10:06:52 C 04 25 17.785 -19 18 25.67 V G96
2024-11-09 08:39:34 C 04 19 32.200 -18 14 34.04 V 703
2024-11-09 08:42:52 C 04 19 31.336 -18 14 24.90 V 703
2024-11-09 08:46:10 C 04 19 30.392 -18 14 14.32 V 703
2024-11-09 08:49:29 C 04 19 29.536 -18 14 04.92 V 703
2024-11-13 03:46:36 C 03 55 25.783 -13 25 26.98 V W68
2024-11-13 03:49:14 C 03 55 25.030 -13 25 18.08 V W68
2024-11-13 03:53:47 C 03 55 23.748 -13 25 02.24 V W68
2024-11-13 04:01:36 C 03 55 21.528 -13 24 36.18 V W68
2024-11-13 05:03:23 C 03 55 05.995 -13 21 55.40 V 703
2024-11-13 05:06:15 C 03 55 05.149 -13 21 46.76 V 703
2024-11-13 05:09:07 C 03 55 04.289 -13 21 37.12 V 703
2024-11-13 20:53:14 B 03 50 49.726 -12 26 36.65 Z M49
2024-11-13 20:56:42 B 03 50 48.731 -12 26 24.41 Z M49
2024-11-13 21:00:10 B 03 50 47.745 -12 26 12.87 Z M49
2024-11-15 22:37:17 B 03 37 22.044 -09 29 30.66 X C95
2024-11-15 22:47:09 B 03 37 19.296 -09 28 54.62 X C95
2024-11-15 22:56:42 B 03 37 16.601 -09 28 19.38 X C95
2024-11-17 05:37:33 C 03 29 00.456 -07 33 22.32 V W68
2024-11-17 05:38:12 C 03 29 00.199 -07 33 19.66 V W68
2024-11-17 05:44:53 C 03 28 58.406 -07 32 54.31 V W68
2024-11-17 06:20:28 C 03 28 48.384 -07 30 40.82 V W68
2024-11-18 09:16:10 C 03 21 38.257 -05 50 01.54 V 703
2024-11-18 09:19:05 C 03 21 37.433 -05 49 51.53 V 703
2024-11-18 09:24:54 C 03 21 35.809 -05 49 28.88 V 703
2024-11-18 22:30:29 C 03 18 10.366 -04 58 43.14 V M22
2024-11-18 22:35:03 C 03 18 09.098 -04 58 26.11 V M22
2024-11-18 22:44:57 C 03 18 06.370 -04 57 48.67 V M22
2024-11-18 22:59:26 C 03 18 02.386 -04 56 53.45 V M22
2024-11-19 07:58:31 C 03 15 41.015 -04 23 38.72 V 703
2024-11-19 08:01:48 C 03 15 40.043 -04 23 25.98 V 703
2024-11-19 08:05:05 C 03 15 39.190 -04 23 13.56 V 703
2024-11-19 08:08:23 C 03 15 38.264 -04 23 01.75 V 703
2024-11-20 08:07:42 C 03 09 25.373 -02 51 29.66 V 703
2024-11-20 08:11:00 C 03 09 24.480 -02 51 17.03 V 703
2024-11-20 08:14:18 C 03 09 23.591 -02 51 04.61 V 703
2024-11-20 08:17:36 C 03 09 22.723 -02 50 51.97 V 703
2024-11-20 09:52:15 C 03 08 59.527 -02 44 39.95 V T08