2009 DO4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5729670623 ± 3.52e-04
Semi-major axis (a)2.6961234543 AU ± 2.16e-03
Inclination (i)37.77977979° ± 1.01e-02
Long. of Asc. Node (Ω)333.99269292° ± 8.59e-04
Arg. of Perihelion (ω)205.98934170° ± 5.97e-03
Mean Anomaly (M)275.63611193° ± 1.68e+00
Mean Motion (n)0.2226397032°/day ± 2.67e-04
Perihelion dist (q)1.15133352 AU ± 1.32e-03
Aphelion dist (Q)4.24091339 AU ± 3.52e-03
Orbital Period4.42700142 yr ± 5.31e-03
Physical Parameters
H (abs. magnitude)21.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.399″
Uncertainty4
Orbit TypeAmor
MOID0.197982 AU
Observations Used50
Oppositions1
Arc Total2009-2009
First Observation Used2009-02-20
Last Observation Used2009-02-27
Observations (51)
Date Type RA Dec Mag Band Observatory
2009-02-27 06:13:18 C 09 44 09.70 -01 35 23.7 18.9 c 704