2025 OU9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2080381210 ± 6.53e-04
Semi-major axis (a)1.3310009394 AU ± 1.06e-03
Inclination (i)4.47703776° ± 1.84e-02
Long. of Asc. Node (Ω)281.09616912° ± 1.06e-01
Arg. of Perihelion (ω)61.96873783° ± 3.29e-01
Mean Anomaly (M)49.73642327° ± 1.45e-01
Mean Motion (n)0.6418665345°/day ± 7.65e-04
Perihelion dist (q)1.05410200 AU ± 1.21e-03
Aphelion dist (Q)1.60789987 AU ± 1.54e-03
Orbital Period1.53556266 yr ± 1.83e-03
Physical Parameters
H (abs. magnitude)26.28
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.286″
Uncertainty3
Orbit TypeAmor
MOID0.074125 AU
Observations Used12
Oppositions1
Arc Total2025-2025
First Observation Used2025-07-29
Last Observation Used2025-07-30
Observations (12)
Date Type RA Dec Mag Band Observatory
2025-07-29 08:23:40 C 20 34 27.551 +08 06 18.13 X F52
2025-07-29 08:49:22 C 20 34 28.331 +08 07 51.36 X F52
2025-07-29 09:02:15 C 20 34 28.702 +08 08 38.03 X F52
2025-07-29 10:25:17 C 20 34 30.921 +08 13 37.21 V F51
2025-07-29 10:26:13 C 20 34 30.946 +08 13 40.46 V F51
2025-07-30 05:20:54 C 20 35 35.37 +09 21 28.5 V H21
2025-07-30 05:29:13 C 20 35 35.61 +09 21 59.0 V H21
2025-07-30 07:59:09 C 20 35 47.582 +09 31 32.24 V F52
2025-07-30 08:06:43 C 20 35 47.875 +09 32 00.97 V F52
2025-07-30 12:12:27 C 20 35 54.965 +09 46 59.02 V T14
2025-07-30 12:13:51 C 20 35 55.006 +09 47 04.20 V T14
2025-07-30 12:15:16 C 20 35 55.049 +09 47 09.28 V T14