2025 UD9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4087655004 ± 3.66e-05
Semi-major axis (a)1.5087116225 AU ± 8.12e-05
Inclination (i)6.62277693° ± 4.65e-04
Long. of Asc. Node (Ω)34.68973373° ± 1.30e-05
Arg. of Perihelion (ω)310.18077812° ± 2.23e-04
Mean Anomaly (M)33.16833558° ± 3.00e-03
Mean Motion (n)0.5318668495°/day ± 4.29e-05
Perihelion dist (q)0.89200236 AU ± 7.32e-05
Aphelion dist (Q)2.12542088 AU ± 1.27e-04
Orbital Period1.85314479 yr ± 1.50e-04
Physical Parameters
H (abs. magnitude)27.09
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.264″
Uncertainty1
Orbit TypeApollo
MOID0.000258 AU
Observations Used57
Oppositions1
Arc Total2025-2025
First Observation Used2025-10-29
Last Observation Used2025-11-02
Observations (57)
Date Type RA Dec Mag Band Observatory
2025-10-30 11:19:12 C 02 32 04.296 +38 10 05.34 V T05
2025-10-31 19:13:53 B 02 44 36.255 +39 08 51.56 X N56
2025-10-31 19:24:23 B 02 44 37.343 +39 09 01.22 X N56
2025-10-31 19:34:55 B 02 44 38.628 +39 09 09.91 X N56
2025-11-02 09:53:18 C 02 51 18.456 +39 37 39.49 X F51
2025-11-02 10:10:42 C 02 51 18.714 +39 37 48.73 X F51
2025-11-02 10:28:05 C 02 51 18.961 +39 37 56.88 X F51