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
2022-12-09 05:15:50 C 04 40 22.342 -16 32 05.39 V W68
2022-12-09 05:56:47 C 04 40 19.675 -16 33 16.49 V W68
2022-12-09 06:02:29 C 04 40 19.267 -16 33 25.60 V W68
2022-12-09 22:52:50 C 04 39 39.355 -17 04 38.14 V M22
2022-12-09 23:34:33 C 04 39 36.307 -17 05 57.59 V M22
2022-12-09 23:38:41 C 04 39 36.005 -17 06 05.51 V M22
2022-12-10 00:19:53 C 04 39 33.158 -17 07 23.52 V M22
2022-12-10 04:45:41 C 04 39 24.079 -17 16 10.63 V W88
2022-12-10 05:26:14 C 04 39 21.053 -17 17 30.41 V W88
2022-12-10 06:01:07 C 04 39 18.480 -17 18 38.92 V W88
2022-12-10 07:00:28 C 04 39 14.309 -17 20 34.44 V W88
2022-12-10 07:35:57 C 04 39 11.971 -17 21 42.73 V W88
2022-12-11 04:15:16 C 04 38 21.33 -18 08 29.6 o 691
2022-12-11 04:17:04 C 04 38 21.18 -18 08 33.9 o 691
2022-12-13 04:20:47 C 04 35 11.700 -20 16 21.79 V W68
2022-12-13 04:37:00 C 04 35 09.768 -20 17 13.27 V W68
2022-12-13 04:41:32 C 04 35 09.245 -20 17 27.64 V W68
2022-12-13 04:50:37 C 04 35 08.167 -20 17 56.22 V W68
2022-12-13 15:26:54 C 04 34 15.53 -20 56 06.9 V 900
2022-12-13 15:37:05 C 04 34 14.26 -20 56 42.2 V 900
2022-12-14 07:35:22 C 04 32 48.761 -21 56 58.24 V U52
2022-12-14 07:37:31 C 04 32 48.497 -21 57 06.73 V U52
2022-12-14 07:44:02 C 04 32 47.537 -21 57 33.41 V U52
2022-12-14 07:46:12 C 04 32 47.290 -21 57 41.83 V U52
2022-12-14 21:59:52 C 04 31 15.430 -22 55 41.02 V M22
2022-12-14 22:05:19 C 04 31 14.520 -22 56 06.00 V M22
2022-12-14 22:51:25 C 04 31 06.845 -22 59 35.84 V M22
2022-12-14 23:32:14 C 04 31 00.108 -23 02 40.88 V M22
2022-12-16 04:05:51 C 04 27 02.642 -25 37 53.22 V W68
2022-12-16 04:19:28 C 04 27 10.478 -25 42 48.49 V U52
2022-12-16 04:22:27 C 04 27 09.857 -25 43 07.00 V U52
2022-12-16 04:24:48 C 04 26 58.277 -25 39 51.84 V W68
2022-12-16 04:29:20 C 04 26 57.226 -25 40 20.35 V W68
2022-12-16 04:29:28 C 04 27 08.378 -25 43 53.87 V U52
2022-12-16 04:32:34 C 04 27 07.730 -25 44 13.99 V U52
2022-12-16 04:37:46 C 04 26 55.291 -25 41 13.06 V W68
2022-12-16 22:59:37 C 04 23 30.374 -27 55 27.34 V G40
2022-12-16 23:00:55 C 04 23 30.036 -27 55 37.49 V G40
2022-12-16 23:02:17 C 04 23 29.606 -27 55 48.61 V G40
2022-12-16 23:03:39 C 04 23 29.189 -27 56 00.10 V G40
2022-12-16 23:05:02 C 04 23 28.771 -27 56 11.36 V G40
2022-12-16 23:06:26 C 04 23 28.370 -27 56 22.67 V G40
2022-12-17 03:41:57 C 04 22 20.818 -28 30 23.62 V W68
2022-12-17 03:46:30 C 04 22 19.394 -28 31 01.99 V W68
2022-12-17 03:54:05 C 04 22 17.021 -28 32 05.89 V W68
2022-12-17 04:08:20 C 04 22 12.564 -28 34 05.74 V W68
2022-12-17 05:41:51 C 04 21 57.701 -28 51 42.59 V U52
2022-12-17 05:45:34 C 04 21 56.554 -28 52 15.74 V U52
2022-12-17 05:55:56 C 04 21 53.333 -28 53 47.11 V U52
2022-12-17 05:59:39 C 04 21 52.198 -28 54 19.91 V U52
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)