2009 SL1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4944764641 ± 2.00e+00
Semi-major axis (a)1.9292154693 AU
Inclination (i)8.51236256° ± 4.00e+00
Long. of Asc. Node (Ω)174.32585999° ± 5.00e+00
Arg. of Perihelion (ω)125.10770620° ± 6.00e+00
Mean Anomaly (M)31.02377023°
Mean Motion (n)0.3678123600°/day
Perihelion dist (q)0.97578210 AU
Aphelion dist (Q)2.88268830 AU
Orbital Period2.67964810 yr
Physical Parameters
H (abs. magnitude)24.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.287″
Uncertainty
Orbit TypeApollo
MOID0.057232 AU
Observations Used18
Oppositions1
Arc Total2009-2009
First Observation Used
Last Observation Used2009-09-18
Observations (18)
Date Type RA Dec Mag Band Observatory
2009-09-16 07:57:54 C 23 12 02.35 -02 38 04.5 645
2009-09-16 07:59:06 C 23 12 02.55 -02 38 07.1 645
2009-09-16 08:01:29 C 23 12 02.99 -02 38 12.0 645
2009-09-16 08:02:41 C 23 12 03.23 -02 38 15.6 645
2009-09-18 05:05:24 C 23 20 41.53 -04 17 58.2 r G96
2009-09-18 05:14:41 C 23 20 43.00 -04 18 16.4 r G96
2009-09-18 05:23:42 C 23 20 44.44 -04 18 34.8 r G96
2009-09-18 05:32:45 C 23 20 45.92 -04 18 53.2 r G96
2009-09-18 06:27:00 C 23 20 54.52 -04 20 42.3 r G96
2009-09-18 06:30:44 C 23 20 55.10 -04 20 49.8 r G96
2009-09-18 06:34:34 C 23 20 55.71 -04 20 57.6 r G96
2009-09-18 06:38:32 C 23 20 56.36 -04 21 05.8 r G96
2009-09-18 09:00:12 C 23 21 18.79 -04 25 47.9 r G96
2009-09-18 09:07:03 C 23 21 19.83 -04 26 01.1 r G96
2009-09-18 09:13:58 C 23 21 20.95 -04 26 15.1 r G96
2009-09-18 11:41:34 C 23 21 46.66 -04 30 56.0 v F65
2009-09-18 11:43:05 C 23 21 46.87 -04 30 59.2 v F65
2009-09-18 11:44:18 C 23 21 47.06 -04 31 01.4 v F65