2025 OS4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0959910728 ± 5.22e-04
Semi-major axis (a)1.1824697398 AU ± 3.41e-03
Inclination (i)28.10917824° ± 2.13e-01
Long. of Asc. Node (Ω)123.12389355° ± 1.93e-03
Arg. of Perihelion (ω)278.24228894° ± 1.07e+00
Mean Anomaly (M)2.78720211° ± 7.59e-01
Mean Motion (n)0.7665265864°/day ± 3.32e-03
Perihelion dist (q)1.06896320 AU ± 3.15e-03
Aphelion dist (Q)1.29597628 AU ± 3.79e-03
Orbital Period1.28583444 yr ± 5.57e-03
Physical Parameters
H (abs. magnitude)24.14
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.346″
Uncertainty3
Orbit TypeAmor
MOID0.166928 AU
Observations Used12
Oppositions1
Arc Total2025-2025
First Observation Used2025-07-23
Last Observation Used2025-07-28
Observations (12)
Date Type RA Dec Mag Band Observatory
2025-07-23 09:55:47 C 20 20 05.354 -11 57 29.57 V F51
2025-07-23 10:35:16 C 20 20 01.857 -12 01 33.23 V F51
2025-07-23 10:55:03 C 20 20 00.128 -12 03 33.61 V F51
2025-07-26 10:27:09 C 20 14 17.489 -19 39 06.88 X F51
2025-07-26 10:56:45 C 20 14 14.525 -19 42 21.11 X F51
2025-07-26 11:11:34 C 20 14 13.043 -19 43 57.78 X F51
2025-07-26 12:45:00 C 20 14 03.756 -19 54 07.90 V F51
2025-07-26 12:45:56 C 20 14 03.668 -19 54 14.02 V F51
2025-07-27 09:17:01 C 20 12 16.259 -22 09 43.62 W H01
2025-07-27 09:23:47 C 20 12 15.579 -22 10 28.24 W H01
2025-07-28 06:31:33 C 20 10 23.135 -24 30 53.99 U I41
2025-07-28 09:23:23 C 20 10 04.917 -24 49 57.00 U I41