2009 SM

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3367448373 ± 1.46e-07
Semi-major axis (a)1.7721077278 AU ± 2.21e-08
Inclination (i)20.63782685° ± 1.61e-05
Long. of Asc. Node (Ω)22.03407366° ± 1.00e-05
Arg. of Perihelion (ω)273.51967746° ± 3.34e-05
Mean Anomaly (M)347.26729706° ± 1.59e-05
Mean Motion (n)0.4178083325°/day ± 7.82e-09
Perihelion dist (q)1.17535960 AU ± 2.59e-07
Aphelion dist (Q)2.36885586 AU ± 2.61e-07
Orbital Period2.35903932 yr ± 4.41e-08
Physical Parameters
H (abs. magnitude)19.47
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.302″
Uncertainty0
Orbit TypeAmor
MOID0.370784 AU
Observations Used100
Oppositions8
Arc Total2009-2023
First Observation Used2009-09-16
Last Observation Used2023-05-16
Observations (106)
Date Type RA Dec Mag Band Observatory
2023-05-10 06:59:48 C 12 48 45.476 -28 36 08.18 X F51
2023-05-10 07:14:38 C 12 48 43.646 -28 36 21.32 X F51
2023-05-16 06:30:24 C 12 32 39.406 -30 35 11.87 X F51
2023-05-16 06:45:13 C 12 32 37.759 -30 35 23.64 X F51
2023-05-16 07:00:02 C 12 32 36.105 -30 35 35.28 X F51
2023-05-16 07:14:50 C 12 32 34.460 -30 35 46.94 X F51