2023 UN

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5621246037 ± 5.27e-07
Semi-major axis (a)2.1008309209 AU ± 2.56e-06
Inclination (i)8.73147513° ± 5.12e-06
Long. of Asc. Node (Ω)206.56945670° ± 5.92e-07
Arg. of Perihelion (ω)218.61045455° ± 2.05e-05
Mean Anomaly (M)237.23853733° ± 4.28e-04
Mean Motion (n)0.3236872737°/day ± 5.92e-07
Perihelion dist (q)0.91990217 AU ± 1.58e-06
Aphelion dist (Q)3.28175967 AU ± 4.15e-06
Orbital Period3.04499547 yr ± 5.57e-06
Physical Parameters
H (abs. magnitude)26.08
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.231″
Uncertainty0
Orbit TypeApollo
MOID0.000614 AU
Observations Used62
Radar Obs Used2
Oppositions1
Arc Total2023-2023
First Observation Used2023-10-10
Last Observation Used2023-10-21
Observations (64)
Date Type RA Dec Mag Band Observatory
2023-10-20 14:07:35 C 21 42 13.976 -05 05 45.47 V O85
2023-10-20 14:10:44 C 21 42 05.113 -05 09 35.31 V O85
2023-10-20 14:19:21 C 21 41 40.823 -05 20 04.47 V O85
2023-10-20 14:22:31 C 21 41 31.843 -05 23 58.00 V O85
2023-10-20 14:25:41 C 21 41 22.846 -05 27 51.57 V O85
2023-10-20 14:28:51 C 21 41 13.814 -05 31 46.13 V O85
2023-10-20 14:32:00 C 21 41 04.740 -05 35 41.48 V O85
2023-10-20 14:35:10 C 21 40 55.660 -05 39 37.12 V O85
2023-10-20 14:38:20 C 21 40 46.559 -05 43 34.06 V O85
2023-10-20 15:15:39 C 21 38 56.893 -06 31 18.44 V O85
2023-10-20 15:18:48 C 21 38 47.423 -06 35 26.86 V O85
2023-10-21 04:35:59 C 20 26 51.643 -36 21 49.35 V T12
2023-10-21 04:37:36 C 20 26 32.566 -36 27 09.98 V T12
2023-10-21 04:38:58 C 20 26 16.303 -36 31 42.42 V T12
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2023-10-20 06:30:00 564692.993 30 Hz 8560 -14 -14
2023-10-20 07:20:00 7805249.7 2 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)