2025 OR9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4693259640 ± 2.82e-05
Semi-major axis (a)2.3214786667 AU ± 1.46e-04
Inclination (i)1.47737354° ± 6.37e-05
Long. of Asc. Node (Ω)167.61542078° ± 7.61e-05
Arg. of Perihelion (ω)188.42390462° ± 1.16e-04
Mean Anomaly (M)17.12383882° ± 1.61e-03
Mean Motion (n)0.2786539673°/day ± 2.63e-05
Perihelion dist (q)1.23194845 AU ± 1.01e-04
Aphelion dist (Q)3.41100888 AU ± 2.24e-04
Orbital Period3.53709762 yr ± 3.33e-04
Physical Parameters
H (abs. magnitude)22.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.211″
Uncertainty1
Orbit TypeAmor
MOID0.225215 AU
Observations Used55
Oppositions1
Arc Total2025-2025
First Observation Used2025-07-28
Last Observation Used2025-10-30
Observations (56)
Date Type RA Dec Mag Band Observatory
2025-10-19 08:22:43 C 00 15 48.041 -02 06 55.88 X F52
2025-10-19 08:39:19 C 00 15 49.107 -02 06 49.61 X F52
2025-10-19 08:55:52 C 00 15 50.184 -02 06 43.45 X F52
2025-10-30 00:41:12 C 00 34 12.720 -00 24 10.60 V 807
2025-10-30 01:07:24 C 00 34 14.450 -00 23 59.70 V 807
2025-10-30 01:33:36 C 00 34 16.130 -00 23 48.50 V 807