2009 SR171

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2715289000
Semi-major axis (a)1.2022336000 AU
Inclination (i)16.47961000°
Long. of Asc. Node (Ω)4.56249000°
Arg. of Perihelion (ω)80.21732000°
Mean Anomaly (M)38.73250000°
Mean Motion (n)0.7476886800°/day
Perihelion dist (q)0.87579240 AU
Aphelion dist (Q)1.52867480 AU
Orbital Period1.31820600 yr
Physical Parameters
H (abs. magnitude)26.00
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.290″
Uncertainty7
Orbit TypeApollo
MOID0.046102 AU
Observations Used25
Oppositions1
Arc Total
First Observation Used
Last Observation Used2009-09-30
Observations (56)
Date Type RA Dec Mag Band Observatory
2024-10-08 08:14:25 C 01 08 43.760 +11 49 55.49 X F51
2024-10-08 08:30:46 C 01 08 43.163 +11 49 51.22 X F51
2024-10-08 08:47:11 C 01 08 42.596 +11 49 46.77 X F51
2024-10-24 04:58:59 C 00 56 24.364 +09 56 23.28 V G96
2024-10-24 05:06:24 C 00 56 24.148 +09 56 20.54 V G96
2024-10-24 05:13:48 C 00 56 23.906 +09 56 18.42 V G96