2025 YJ9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5102184432 ± 8.01e-05
Semi-major axis (a)1.2714688171 AU ± 1.27e-04
Inclination (i)2.67345649° ± 4.91e-04
Long. of Asc. Node (Ω)280.37916711° ± 8.74e-05
Arg. of Perihelion (ω)81.13668952° ± 4.81e-04
Mean Anomaly (M)11.96774188° ± 4.34e-03
Mean Motion (n)0.6874699284°/day ± 1.03e-04
Perihelion dist (q)0.62274198 AU ± 1.19e-04
Aphelion dist (Q)1.92019566 AU ± 2.17e-04
Orbital Period1.43370094 yr ± 2.15e-04
Physical Parameters
H (abs. magnitude)27.59
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.290″
Uncertainty1
Orbit TypeApollo
MOID0.003129 AU
Observations Used46
Oppositions1
Arc Total2025-2025
First Observation Used2025-12-28
Last Observation Used2025-12-30
Observations (52)
Date Type RA Dec Mag Band Observatory
2025-12-30 14:38:51 B 06 56 50.946 +25 48 15.64 X Q06
2025-12-30 14:55:02 B 06 56 36.919 +25 46 27.41 X Q06