2009 SL2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2489957064 ± 2.30e-07
Semi-major axis (a)1.0464281079 AU ± 1.07e-09
Inclination (i)23.73977735° ± 1.99e-05
Long. of Asc. Node (Ω)4.93107552° ± 7.15e-06
Arg. of Perihelion (ω)224.64552774° ± 4.20e-05
Mean Anomaly (M)136.25742149° ± 6.87e-05
Mean Motion (n)0.9207636825°/day ± 1.42e-09
Perihelion dist (q)0.78587200 AU ± 2.41e-07
Aphelion dist (Q)1.30698421 AU ± 2.41e-07
Orbital Period1.07044435 yr ± 1.65e-09
Physical Parameters
H (abs. magnitude)22.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.346″
Uncertainty0
Orbit TypeApollo
MOID0.151377 AU
Observations Used55
Oppositions1
Arc Total2009-2024
First Observation Used2009-09-18
Last Observation Used2024-10-22
Observations (59)
Date Type RA Dec Mag Band Observatory
2024-10-05 04:30:34 C 23 10 17.900 +02 49 07.50 V G96
2024-10-05 04:38:46 C 23 10 16.277 +02 49 26.44 V G96
2024-10-05 04:46:59 C 23 10 14.646 +02 49 45.05 V G96
2024-10-05 04:55:12 C 23 10 12.994 +02 50 03.73 V G96
2024-10-05 08:03:28 C 23 09 37.452 +02 57 17.83 X F52
2024-10-05 08:34:25 C 23 09 31.331 +02 58 27.46 X F52
2024-10-05 08:50:00 C 23 09 28.227 +02 59 02.89 X F52
2024-10-22 01:48:31 C 22 26 06.69 +12 52 50.8 V H21
2024-10-22 02:08:28 C 22 26 05.46 +12 53 09.6 V H21