2023 OB1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3961433951 ± 1.59e-04
Semi-major axis (a)1.9788201366 AU ± 5.72e-04
Inclination (i)29.36256016° ± 4.24e-03
Long. of Asc. Node (Ω)283.12397546° ± 1.80e-03
Arg. of Perihelion (ω)357.22079706° ± 7.74e-04
Mean Anomaly (M)304.19051436° ± 1.33e-01
Mean Motion (n)0.3540811397°/day ± 1.54e-04
Perihelion dist (q)1.19492361 AU ± 4.68e-04
Aphelion dist (Q)2.76271666 AU ± 8.59e-04
Orbital Period2.78361701 yr ± 1.21e-03
Physical Parameters
H (abs. magnitude)20.54
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.211″
Uncertainty3
Orbit TypeAmor
MOID0.177121 AU
Observations Used50
Oppositions1
Arc Total2023-2023
First Observation Used2023-07-20
Last Observation Used2023-08-13
Observations (56)
Date Type RA Dec Mag Band Observatory
2023-08-11 21:28:35 C 16 56 07.40 +08 11 11.9 X 033
2023-08-11 21:30:39 C 16 56 07.63 +08 11 15.4 X 033
2023-08-11 21:32:44 C 16 56 07.84 +08 11 18.9 X 033
2023-08-13 20:17:26 C 17 01 10.68 +09 24 44.8 X 033
2023-08-13 20:19:46 C 17 01 10.94 +09 24 48.5 X 033
2023-08-13 20:22:05 C 17 01 11.16 +09 24 51.8 X 033