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
2022-10-17 13:49:02 C 04 28 16.966 -00 51 20.85 V F51
2022-10-17 14:06:44 C 04 28 17.618 -00 51 29.25 V F51
2022-10-17 14:24:25 C 04 28 18.256 -00 51 37.08 V F51
2022-10-17 14:42:03 C 04 28 18.890 -00 51 45.27 V F51
2022-10-18 13:13:56 C 04 29 14.291 -01 02 07.52 V F52
2022-10-18 13:14:50 C 04 29 14.323 -01 02 08.24 V F52
2022-10-21 12:45:47 C 04 32 00.863 -01 36 20.46 U F52
2022-10-21 13:02:29 C 04 32 01.390 -01 36 28.67 U F52
2022-10-21 13:19:15 C 04 32 01.925 -01 36 36.90 U F52
2022-10-21 15:17:56 C 04 32 05.741 -01 37 35.17 V F52
2022-10-21 15:18:50 C 04 32 05.759 -01 37 35.84 V F52
2022-10-23 04:36:27 C 04 33 28.71 -01 55 55.4 V 807
2022-10-23 04:49:46 C 04 33 29.14 -01 56 02.3 V 807
2022-10-23 05:03:05 C 04 33 29.64 -01 56 10.3 V 807
2022-10-27 06:49:13 C 04 36 45.10 -02 47 19.3 V 807
2022-10-27 07:02:32 C 04 36 45.44 -02 47 26.6 V 807
2022-10-27 07:15:50 C 04 36 45.77 -02 47 33.7 V 807
2022-10-27 07:33:31 C 04 36 47.10 -02 48 06.1 o 691
2022-10-27 07:47:47 C 04 36 47.46 -02 48 14.0 o 691
2022-10-27 08:02:04 C 04 36 47.86 -02 48 21.8 o 691
2022-10-29 12:39:04 C 04 38 21.942 -03 17 13.35 U F51
2022-10-29 12:57:25 C 04 38 22.339 -03 17 23.86 U F51
2022-10-29 13:15:46 C 04 38 22.752 -03 17 33.97 U F51
2022-10-29 13:34:10 C 04 38 23.171 -03 17 44.28 U F51
2022-11-02 12:01:34 C 04 40 54.205 -04 11 54.86 U F51
2022-11-02 12:18:51 C 04 40 54.506 -04 12 05.06 U F51
2022-11-02 12:36:08 C 04 40 54.798 -04 12 15.12 U F51
2022-11-13 11:55:12 C 04 45 36.67 -06 58 11.5 o 691
2022-11-13 12:03:24 C 04 45 36.73 -06 58 16.8 o 691
2022-11-13 12:08:53 C 04 45 36.78 -06 58 19.6 o 691
2022-11-14 10:34:40 C 04 45 51.54 -07 13 32.0 o 691
2022-11-14 10:45:08 C 04 45 51.57 -07 13 39.3 o 691
2022-11-14 10:55:37 C 04 45 51.60 -07 13 46.2 o 691
2022-11-14 11:24:09 C 04 45 53.178 -07 14 00.48 U F52
2022-11-14 11:40:46 C 04 45 53.203 -07 14 11.60 U F52
2022-11-14 11:57:28 C 04 45 53.191 -07 14 23.28 U F52
2022-11-14 12:14:04 C 04 45 53.189 -07 14 34.19 U F52
2022-11-21 08:15:09 C 04 46 44.66 -09 11 40.9 o 691
2022-11-21 08:28:23 C 04 46 44.51 -09 11 50.9 o 691
2022-11-21 08:31:28 C 04 46 44.447 -09 11 53.77 V G96
2022-11-21 08:38:50 C 04 46 44.353 -09 11 59.03 V G96
2022-11-21 08:41:06 C 04 46 44.38 -09 12 00.4 o 691
2022-11-21 08:46:11 C 04 46 44.296 -09 12 04.46 V G96
2022-11-21 08:53:32 C 04 46 44.202 -09 12 10.15 V G96
2022-11-22 07:52:43 C 04 46 44.43 -09 29 31.6 o 691
2022-11-22 08:01:47 C 04 46 44.30 -09 29 38.4 o 691
2022-11-22 08:10:52 C 04 46 44.18 -09 29 45.5 o 691
2022-11-26 11:31:54 C 04 46 19.260 -10 48 23.28 U F51
2022-11-26 11:47:44 C 04 46 18.908 -10 48 36.26 U F51
2022-11-26 12:03:36 C 04 46 18.558 -10 48 49.23 U F51
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)