2025 WN9

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5963746340 ± 1.61e-04
Semi-major axis (a)1.4396958942 AU ± 4.17e-04
Inclination (i)25.82944325° ± 7.32e-03
Long. of Asc. Node (Ω)250.30352858° ± 5.10e-03
Arg. of Perihelion (ω)263.81890483° ± 1.25e-03
Mean Anomaly (M)321.15779801° ± 2.02e-02
Mean Motion (n)0.5705663133°/day ± 2.48e-04
Perihelion dist (q)0.58109778 AU ± 2.86e-04
Aphelion dist (Q)2.29829401 AU ± 7.05e-04
Orbital Period1.72745264 yr ± 7.51e-04
Physical Parameters
H (abs. magnitude)21.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.380″
Uncertainty2
Orbit TypeApollo
MOID0.013543 AU
Observations Used49
Oppositions1
Arc Total2025-2025
First Observation Used2025-11-25
Last Observation Used2025-12-12
Observations (52)
Date Type RA Dec Mag Band Observatory
2025-12-12 02:55:18 C 22 03 36.529 -00 01 27.62 V I52
2025-12-12 03:00:52 C 22 03 36.130 -00 01 54.34 V I52