2023 XW21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4648196447 ± 7.90e-05
Semi-major axis (a)2.1213774549 AU ± 3.82e-04
Inclination (i)39.67407779° ± 2.19e-03
Long. of Asc. Node (Ω)86.39345818° ± 1.28e-03
Arg. of Perihelion (ω)282.22522022° ± 6.16e-03
Mean Anomaly (M)244.96035844° ± 6.81e-02
Mean Motion (n)0.3189960847°/day ± 8.61e-05
Perihelion dist (q)1.13531954 AU ± 2.64e-04
Aphelion dist (Q)3.10743537 AU ± 5.84e-04
Orbital Period3.08977549 yr ± 8.34e-04
Physical Parameters
H (abs. magnitude)20.06
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.266″
Uncertainty2
Orbit TypeAmor
MOID0.427416 AU
Observations Used23
Oppositions1
Arc Total2023-2024
First Observation Used2023-12-10
Last Observation Used2024-01-11
Observations (23)
Date Type RA Dec Mag Band Observatory
2023-12-10 06:36:30 C 02 51 26.866 -33 47 07.04 X F52
2023-12-10 06:52:22 C 02 51 26.213 -33 46 02.36 X F52
2023-12-10 07:08:13 C 02 51 25.569 -33 44 57.93 X F52
2023-12-31 05:34:40 C 02 48 12.444 -02 05 21.73 X F51
2023-12-31 05:50:06 C 02 48 12.652 -02 04 33.60 X F51
2023-12-31 06:05:41 C 02 48 12.848 -02 03 44.68 X F51
2024-01-01 01:36:09 C 02 48 33.200 -01 03 08.10 V 807
2024-01-01 01:44:46 C 02 48 33.360 -01 02 41.30 V 807
2024-01-01 01:53:24 C 02 48 33.490 -01 02 15.20 V 807
2024-01-01 03:52:33 C 02 48 35.867 -00 56 24.58 V I52
2024-01-01 03:57:00 C 02 48 35.874 -00 56 11.72 V I52
2024-01-01 04:01:26 C 02 48 35.968 -00 55 57.22 V I52
2024-01-01 04:05:53 C 02 48 36.014 -00 55 44.33 V I52
2024-01-03 05:44:27 C 02 49 36.847 +01 32 02.84 X F51
2024-01-03 06:03:37 C 02 49 37.209 +01 32 58.92 X F51
2024-01-03 06:22:54 C 02 49 37.570 +01 33 54.09 X F51
2024-01-03 06:42:16 C 02 49 37.921 +01 34 50.61 X F51
2024-01-10 02:36:42 C 02 54 09.06 +08 47 16.4 V 691
2024-01-10 02:56:39 C 02 54 09.67 +08 48 04.2 V 691
2024-01-10 03:16:37 C 02 54 10.28 +08 48 52.2 V 691
2024-01-11 02:18:35 C 02 54 56.69 +09 43 13.6 V 291
2024-01-11 02:26:38 C 02 54 56.91 +09 43 32.7 V 291
2024-01-11 02:34:43 C 02 54 57.16 +09 43 51.2 V 291