2023 RU9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4753744847 ± 8.29e-05
Semi-major axis (a)2.2101356688 AU ± 3.86e-04
Inclination (i)9.42206948° ± 1.01e-03
Long. of Asc. Node (Ω)185.26551261° ± 8.91e-04
Arg. of Perihelion (ω)155.75749075° ± 2.95e-04
Mean Anomaly (M)240.27441529° ± 6.31e-02
Mean Motion (n)0.2999741806°/day ± 7.87e-05
Perihelion dist (q)1.15949356 AU ± 2.73e-04
Aphelion dist (Q)3.26077777 AU ± 5.99e-04
Orbital Period3.28570373 yr ± 8.62e-04
Physical Parameters
H (abs. magnitude)22.79
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.203″
Uncertainty2
Orbit TypeAmor
MOID0.162421 AU
Observations Used32
Oppositions1
Arc Total2023-2023
First Observation Used2023-09-12
Last Observation Used2023-10-13
Observations (33)
Date Type RA Dec Mag Band Observatory
2023-09-12 19:56:15 C 20 00 33.27 +00 02 09.7 X 033
2023-09-12 20:00:27 C 20 00 33.95 +00 02 03.6 X 033
2023-09-12 20:04:38 C 20 00 34.66 +00 01 58.2 X 033
2023-09-13 02:26:21 C 20 01 41.24 -00 06 03.1 W X09
2023-09-13 02:41:26 C 20 01 43.77 -00 06 24.8 W X09
2023-09-14 03:19:33 C 20 06 08.392 -00 41 35.77 V I52
2023-09-14 03:23:32 C 20 06 09.054 -00 41 41.50 V I52
2023-09-14 03:27:31 C 20 06 09.742 -00 41 46.68 V I52
2023-09-14 08:58:37 C 20 07 08.05 -00 49 24.3 V F65
2023-09-14 09:02:22 C 20 07 08.69 -00 49 29.6 V F65
2023-09-14 09:06:03 C 20 07 09.32 -00 49 34.8 V F65
2023-09-14 19:41:43 C 20 09 06.33 -01 04 45.1 X 033
2023-09-14 19:45:18 C 20 09 06.96 -01 04 49.8 X 033
2023-09-14 19:48:52 C 20 09 07.57 -01 04 55.0 X 033
2023-09-14 19:52:41 C 20 09 08.25 -01 05 00.5 X 033
2023-09-15 01:37:53 C 20 10 11.97 -01 13 01.0 u H21
2023-09-15 01:39:54 C 20 10 12.32 -01 13 03.5 u H21
2023-09-15 01:48:53 C 20 10 13.88 -01 13 16.3 u H21
2023-09-17 05:31:52 C 20 19 56.303 -02 25 55.57 V T12
2023-09-17 05:32:44 C 20 19 56.460 -02 25 56.81 V T12
2023-09-17 05:33:32 C 20 19 56.605 -02 25 57.96 V T12
2023-09-17 05:34:24 C 20 19 56.760 -02 25 59.15 V T12
2023-09-20 05:55:19 C 20 34 04.56 -04 07 04.4 V 691
2023-09-20 06:23:07 C 20 34 09.90 -04 07 42.1 V 691
2023-09-25 04:04:14 C 20 58 21.52 -06 44 18.2 V 691
2023-09-25 04:17:55 C 20 58 24.24 -06 44 35.2 V 691
2023-09-25 04:31:37 C 20 58 26.98 -06 44 52.8 V 691
2023-10-04 05:47:00 C 21 44 23.72 -10 44 05.2 o 291
2023-10-04 05:56:43 C 21 44 25.68 -10 44 14.0 o 291
2023-10-04 06:06:23 C 21 44 27.63 -10 44 21.9 o 291
2023-10-13 03:00:50 C 22 27 29.00 -13 11 29.4 V 691
2023-10-13 03:23:51 C 22 27 33.26 -13 11 40.8 V 691
2023-10-13 03:46:53 C 22 27 37.47 -13 11 51.8 V 691