2008 UM1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5747997627 ± 2.13e-04
Semi-major axis (a)1.8464501889 AU ± 4.71e-06
Inclination (i)4.43325793° ± 6.24e-03
Long. of Asc. Node (Ω)208.53401154° ± 3.60e-04
Arg. of Perihelion (ω)115.53632296° ± 5.97e-02
Mean Anomaly (M)309.33071904° ± 5.00e-02
Mean Motion (n)0.3928311168°/day ± 1.50e-06
Perihelion dist (q)0.78511106 AU ± 3.94e-04
Aphelion dist (Q)2.90778932 AU ± 3.94e-04
Orbital Period2.50903312 yr ± 9.59e-06
Physical Parameters
H (abs. magnitude)32.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.647″
Uncertainty2
Orbit TypeApollo
MOID0.001030 AU
Observations Used9
Oppositions1
Arc Total2008-2008
First Observation Used2008-10-22
Last Observation Used2008-10-22
Observations (9)
Date Type RA Dec Mag Band Observatory
2008-10-22 09:27:50 C 01 55 48.43 +00 33 11.2 r G96
2008-10-22 09:28:16 C 01 55 52.08 +00 33 37.4 r G96
2008-10-22 09:29:09 C 01 55 59.48 +00 34 27.3 r G96
2008-10-22 09:39:08 C 01 57 21.09 +00 43 40.8 r G96
2008-10-22 09:39:29 C 01 57 23.90 +00 44 00.4 r G96
2008-10-22 09:39:50 C 01 57 26.82 +00 44 19.1 r G96
2008-10-22 09:40:12 C 01 57 29.55 +00 44 38.2 r G96
2008-10-22 10:11:34 C 02 01 18.98 +01 10 23.5 r G96
2008-10-22 10:11:55 C 02 01 21.25 +01 10 39.6 r G96