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
2021-01-06 05:25:52 C 23 58 48.357 -04 38 55.89 V F51
2021-01-06 05:44:10 C 23 58 50.451 -04 38 26.66 V F51
2021-01-06 06:20:49 C 23 58 54.573 -04 37 28.84 V F51
2023-10-21 14:40:55 S 02 04 53.45 -71 32 49.0 L C51
2023-10-21 16:14:04 S 02 04 12.54 -71 28 31.7 L C51
2023-10-21 17:47:13 S 02 03 31.77 -71 24 13.9 L C51
2023-10-21 19:20:22 S 02 02 51.06 -71 19 55.1 L C51
2023-10-21 20:53:31 S 02 02 10.78 -71 15 35.1 L C51
2023-10-21 22:26:40 S 02 01 30.65 -71 11 14.1 L C51
2023-10-21 22:26:51 S 02 01 30.86 -71 11 14.5 L C51
2023-10-22 00:00:00 S 02 00 50.98 -71 06 52.3 L C51
2023-10-22 01:33:10 S 02 00 11.57 -71 02 29.8 L C51
2023-10-22 04:39:27 S 01 58 53.31 -70 53 42.0 L C51
2023-10-22 07:45:46 S 01 57 36.16 -70 44 50.0 L C51
2023-10-22 09:18:54 S 01 56 58.13 -70 40 23.3 L C51
2023-10-22 10:52:03 S 01 56 20.13 -70 35 55.6 L C51
2023-10-22 12:25:12 S 01 55 42.47 -70 31 26.2 L C51
2023-10-22 12:25:24 S 01 55 42.50 -70 31 26.2 L C51
2023-10-22 13:58:32 S 01 55 05.04 -70 26 56.2 L C51
2023-10-22 15:31:41 S 01 54 27.81 -70 22 25.5 L C51
2023-10-22 18:38:00 S 01 53 13.95 -70 13 22.3 L C51
2023-10-22 20:11:08 S 01 52 37.56 -70 08 48.8 L C51
2023-10-22 21:44:17 S 01 52 01.26 -70 04 15.0 L C51
2023-10-25 00:19:46 C 01 34 24.58 -67 28 11.7 W X09
2023-10-25 00:27:51 C 01 34 21.79 -67 27 46.5 W X09
2023-10-25 00:35:55 C 01 34 19.13 -67 27 21.8 W X09
2023-10-25 03:37:10 C 01 33 18.93 -67 17 46.2 W X09
2023-10-25 03:45:15 C 01 33 16.20 -67 17 20.7 W X09
2023-10-25 16:02:36 C 01 29 32.49 -66 37 05.5 V P21
2023-10-25 16:09:21 C 01 29 30.26 -66 36 43.3 V P21
2023-10-25 18:35:29 B 01 28 53.15 -66 28 31.7 Z M49
2023-10-25 18:51:33 B 01 28 48.26 -66 27 39.9 Z M49
2023-10-26 00:32:41 C 01 27 09.86 -66 08 41.2 W X09
2023-10-26 00:40:46 C 01 27 07.57 -66 08 15.1 W X09
2023-10-26 06:08:36 C 01 25 28.635 -65 49 59.43 V W57
2023-10-26 06:42:58 C 01 25 18.444 -65 48 01.09 V W57
2023-10-26 07:20:30 C 01 25 07.476 -65 45 50.60 V W57
2023-10-26 08:39:13 C 01 24 45.10 -65 41 15.1 W X09
2023-10-26 08:47:18 C 01 24 42.77 -65 40 46.7 W X09
2023-10-26 08:55:22 C 01 24 40.44 -65 40 18.3 W X09
2023-11-05 04:16:41 C 00 42 43.33 -50 46 34.1 u 807
2023-11-05 04:27:21 C 00 42 42.04 -50 45 50.0 u 807
2023-11-05 04:36:48 C 00 42 40.87 -50 45 10.8 u 807
2023-11-06 03:13:20 C 00 40 19.97 -49 12 15.5 u 807
2023-11-06 03:20:22 C 00 40 19.25 -49 11 46.1 u 807
2023-11-06 03:27:25 C 00 40 18.46 -49 11 17.2 u 807
2023-11-06 11:11:13 C 00 39 33.05 -48 39 12.4 V 474
2023-11-06 11:13:00 C 00 39 32.85 -48 39 05.1 V 474
2023-11-06 11:14:48 C 00 39 32.63 -48 38 57.5 V 474
2023-11-06 11:16:25 C 00 39 32.44 -48 38 50.8 V 474