IAA RAS IAA Minor Planet Database

2011 SN5

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4622052000
Semi-major axis (a)1.9366737000 AU
Inclination (i)15.64959000°
Long. of Asc. Node (Ω)176.59631000°
Arg. of Perihelion (ω)116.96956000°
Mean Anomaly (M)117.07129000°
Mean Motion (n)0.3656953000°/day
Perihelion dist (q)1.04153300 AU
Aphelion dist (Q)2.83181440 AU
Orbital Period2.69516080 yr
Physical Parameters
H (abs. magnitude)23.50
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.500″
Uncertainty9
Orbit TypeAmor
MOID0.159341 AU
Observations Used16
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2011-09-19
Observations (20)
Date Type RA Dec Mag Band Observatory
2011-09-18 07:21:57 C 23 42 11.26 +00 36 48.0 – r G96
2011-09-18 07:33:27 C 23 42 11.70 +00 36 16.2 – r G96
2011-09-18 07:44:55 C 23 42 12.09 +00 35 44.8 – r G96
2011-09-18 07:56:27 C 23 42 12.52 +00 35 11.9 – r G96
2011-09-18 10:27:57 C 23 42 18.07 +00 28 12.7 – r G96
2011-09-18 10:34:41 C 23 42 18.47 +00 27 53.7 – r G96
2011-09-19 00:07:24 C 23 42 55.37 -00 09 14.5 – u J95
2011-09-19 00:41:37 C 23 42 56.57 -00 10 46.3 – u J95
2011-09-19 00:55:26 C 23 42 57.09 -00 11 23.5 – u J95
2011-09-19 10:05:01 C 23 43 19.53 -00 35 40.3 – o 291
2011-09-19 10:21:39 C 23 43 20.13 -00 36 24.9 – r G96
2011-09-19 10:23:12 C 23 43 20.19 -00 36 27.8 – o 291
2011-09-19 10:27:40 C 23 43 20.35 -00 36 41.3 – r G96
2011-09-19 10:30:00 C 23 43 20.49 -00 36 47.5 – r G96
2011-09-19 10:32:01 C 23 43 20.53 -00 36 52.5 – r G96
2011-09-19 10:32:12 C 23 43 20.52 -00 36 52.9 – o 291
2011-09-21 08:49:44 C 23 45 15.278 -02 34 00.50 – V F51
2011-09-21 09:10:00 C 23 45 15.865 -02 34 49.71 – V F51
2011-09-21 09:30:13 C 23 45 16.471 -02 35 38.81 – V F51
2011-09-21 09:50:26 C 23 45 17.081 -02 36 27.40 – V F51