2009 SL

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2581725170 ± 2.00e+00
Semi-major axis (a)1.3479470656 AU
Inclination (i)19.64093559° ± 4.00e+00
Long. of Asc. Node (Ω)174.65825289°
Arg. of Perihelion (ω)214.97416475° ± 6.00e+00
Mean Anomaly (M)100.34977892°
Mean Motion (n)0.6297882700°/day
Perihelion dist (q)0.99997670 AU
Aphelion dist (Q)1.69591850 AU
Orbital Period1.56498260 yr
Physical Parameters
H (abs. magnitude)26.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.713″
Uncertainty
Orbit TypeApollo
MOID0.030160 AU
Observations Used19
Oppositions1
Arc Total2009-2009
First Observation Used
Last Observation Used2009-09-17
Observations (20)
Date Type RA Dec Mag Band Observatory
2009-09-17 06:34:12 C 23 28 48.23 +01 14 38.5 r G96
2009-09-17 06:44:30 C 23 28 55.38 +01 10 42.7 r G96
2009-09-17 06:54:37 C 23 29 02.34 +01 06 53.7 r G96
2009-09-17 07:01:47 C 23 29 07.29 +01 04 09.5 r G96
2009-09-17 09:38:19 C 23 30 57.38 +00 04 00.2 r G96
2009-09-17 09:41:17 C 23 30 59.47 +00 02 53.9 r G96
2009-09-17 09:44:17 C 23 31 01.56 +00 01 44.0 r G96
2009-09-17 09:47:19 C 23 31 03.75 +00 00 33.7 r G96
2009-09-17 10:32:58 C 23 31 36.80 -00 17 09.0 r G96
2009-09-17 10:33:49 C 23 31 37.45 -00 17 30.4 r G96
2009-09-17 10:34:41 C 23 31 38.02 -00 17 47.8 r G96
2009-09-17 10:35:30 C 23 31 38.64 -00 18 08.9 r G96
2009-09-17 10:53:15 C 23 31 51.67 -00 25 01.9 r G96
2009-09-17 10:54:08 C 23 31 52.35 -00 25 24.4 r G96
2009-09-17 10:55:03 C 23 31 52.93 -00 25 43.8 r G96
2009-09-17 10:55:56 C 23 31 53.61 -00 26 04.4 r G96
2009-09-17 13:36:19 C 23 33 58.04 -01 28 14.0 v F65
2009-09-17 13:39:54 C 23 34 00.68 -01 29 39.0 v F65
2009-09-17 13:41:16 C 23 34 01.59 -01 30 09.6 v F65
2009-09-17 13:42:15 C 23 34 02.39 -01 30 34.5 v F65