2022 UD9

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4026003555 ± 1.19e-07
Semi-major axis (a)1.4597446022 AU ± 2.49e-07
Inclination (i)9.02687169° ± 2.31e-06
Long. of Asc. Node (Ω)93.47057924° ± 6.46e-06
Arg. of Perihelion (ω)47.71064648° ± 6.34e-06
Mean Anomaly (M)213.35851973° ± 1.46e-04
Mean Motion (n)0.5588521925°/day ± 1.43e-07
Perihelion dist (q)0.87205091 AU ± 2.29e-07
Aphelion dist (Q)2.04743830 AU ± 3.90e-07
Orbital Period1.76366183 yr ± 4.51e-07
Physical Parameters
H (abs. magnitude)21.81
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.192″
Uncertainty0
Orbit TypeApollo
MOID0.011961 AU
Observations Used165
Radar Obs Used3
Oppositions1
Arc Total2022-2023
First Observation Used2022-10-17
Last Observation Used2023-06-19
Observations (166)
Date Type RA Dec Mag Band Observatory
2022-11-26 12:19:23 C 04 46 18.216 -10 49 02.13 U F51
2022-11-28 04:33:27 C 04 45 56.506 -11 23 14.24 V G40
2022-11-28 05:23:42 C 04 45 55.577 -11 23 56.15 V G40
2022-11-28 05:33:12 C 04 45 55.385 -11 24 03.92 V G40
2022-11-29 23:51:35 C 04 45 29.088 -12 00 58.21 V M22
2022-11-29 23:56:08 C 04 45 28.944 -12 01 01.85 V M22
2022-11-30 00:03:55 C 04 45 28.733 -12 01 09.12 V M22
2022-11-30 00:26:44 C 04 45 28.092 -12 01 28.81 V M22
2022-11-30 06:03:39 C 04 45 26.83 -12 07 49.8 o 691
2022-11-30 06:19:15 C 04 45 26.39 -12 08 04.5 o 691
2022-11-30 06:34:51 C 04 45 25.94 -12 08 19.4 o 691
2022-12-01 06:46:08 C 04 45 05.432 -12 31 23.77 V 703
2022-12-01 06:54:01 C 04 45 05.170 -12 31 31.51 V 703
2022-12-01 07:01:53 C 04 45 04.943 -12 31 39.00 V 703
2022-12-01 07:09:46 C 04 45 04.680 -12 31 46.92 V 703
2022-12-01 10:13:09 C 04 45 01.931 -12 34 35.19 U F52
2022-12-01 10:14:58 C 04 45 01.867 -12 34 36.92 U F52
2022-12-01 10:30:36 C 04 45 01.330 -12 34 52.28 U F52
2022-12-01 10:32:25 C 04 45 01.268 -12 34 54.11 U F52
2022-12-01 10:48:02 C 04 45 00.730 -12 35 09.37 U F52
2022-12-01 10:49:51 C 04 45 00.666 -12 35 11.15 U F52
2022-12-01 11:05:30 C 04 45 00.129 -12 35 26.42 U F52
2022-12-01 21:14:37 C 04 44 52.802 -12 44 27.20 V M22
2022-12-01 21:17:13 C 04 44 52.733 -12 44 30.01 V M22
2022-12-01 21:21:13 C 04 44 52.586 -12 44 33.83 V M22
2022-12-01 21:59:34 C 04 44 51.314 -12 45 12.74 V M22
2022-12-02 22:41:11 C 04 44 25.284 -13 10 34.32 V M22
2022-12-02 22:59:53 C 04 44 24.662 -13 10 54.41 V M22
2022-12-02 23:04:27 C 04 44 24.499 -13 10 59.16 V M22
2022-12-02 23:13:13 C 04 44 24.180 -13 11 08.20 V M22
2022-12-04 08:07:41 C 04 43 49.039 -13 48 27.83 U F51
2022-12-04 08:23:32 C 04 43 48.394 -13 48 46.67 U F51
2022-12-04 08:39:23 C 04 43 47.742 -13 49 05.46 U F51
2022-12-04 08:55:14 C 04 43 47.074 -13 49 24.23 U F51
2022-12-05 04:28:24 C 04 43 19.147 -14 11 23.64 V W68
2022-12-05 04:33:49 C 04 43 19.037 -14 11 29.94 V W68
2022-12-05 05:21:28 C 04 43 16.822 -14 12 28.22 V W68
2022-12-05 05:29:57 C 04 43 16.450 -14 12 37.91 V W68
2022-12-06 04:18:57 C 04 42 44.035 -14 41 29.15 V W68
2022-12-06 05:00:27 C 04 42 42.000 -14 42 23.90 V W68
2022-12-06 05:05:14 C 04 42 41.724 -14 42 30.06 V W68
2022-12-06 05:45:57 C 04 42 39.670 -14 43 22.80 V W68
2022-12-08 04:39:32 C 04 41 17.090 -15 50 58.24 V W68
2022-12-08 04:44:04 C 04 41 16.769 -15 51 05.62 V W68
2022-12-08 04:52:30 C 04 41 16.258 -15 51 19.15 V W68
2022-12-08 05:13:12 C 04 41 14.962 -15 51 50.98 V W68
2022-12-09 04:29:14 C 04 40 25.517 -16 30 44.57 V W68
2022-12-09 04:35:54 C 04 40 25.046 -16 30 55.33 V W68
2022-12-09 04:37:15 C 04 40 24.946 -16 30 57.96 V W68
2022-12-09 05:14:26 C 04 40 22.481 -16 32 03.01 V W68
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2022-12-29 14:30:00 -553103.089 1 Hz 8560 -14 -14
2022-12-29 14:40:00 44000745.806 10 us 8560 -14 -14
2022-12-29 15:00:00 44078445.723 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)