2011 SP12

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5746570000
Semi-major axis (a)2.3952763000 AU
Inclination (i)14.22230000°
Long. of Asc. Node (Ω)171.44015000°
Arg. of Perihelion (ω)128.45950000°
Mean Anomaly (M)308.42687000°
Mean Motion (n)0.2658708000°/day
Perihelion dist (q)1.01881400 AU
Aphelion dist (Q)3.77173860 AU
Orbital Period3.70709250 yr
Physical Parameters
H (abs. magnitude)22.30
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.500″
Uncertainty7
Orbit TypeAmor
MOID0.107658 AU
Observations Used27
Oppositions1
Arc Total
First Observation Used
Last Observation Used2011-09-29
Observations (29)
Date Type RA Dec Mag Band Observatory
2011-09-19 05:48:03 C 23 01 50.26 -09 10 01.6 r 703
2011-09-19 05:59:47 C 23 01 51.96 -09 10 28.5 r 703
2011-09-19 06:11:38 C 23 01 53.54 -09 10 52.8 r 703
2011-09-19 06:23:24 C 23 01 55.09 -09 11 19.6 r 703
2011-09-19 06:48:14 C 23 01 58.65 -09 12 11.4 r 703
2011-09-19 07:15:24 C 23 02 02.46 -09 13 12.9 r 703
2011-09-19 07:29:13 C 23 02 04.28 -09 13 41.7 r 703
2011-09-20 02:40:51 C 23 04 53.65 -09 53 17.4 o 807
2011-09-20 02:52:03 C 23 04 55.12 -09 53 40.1 o 807
2011-09-20 03:01:09 C 23 04 56.33 -09 53 58.3 o 807
2011-09-20 22:13:47 C 23 07 36.67 -10 32 41.4 o 033
2011-09-20 22:23:55 C 23 07 38.30 -10 32 57.0 v I93
2011-09-20 22:32:51 C 23 07 39.04 -10 33 16.3 o 033
2011-09-20 22:35:29 C 23 07 39.81 -10 33 19.6 v I93
2011-09-20 22:47:18 C 23 07 41.31 -10 33 42.2 v I93
2011-09-21 04:56:12 C 23 08 30.39 -10 44 34.1 o 807
2011-09-21 05:07:32 C 23 08 31.82 -10 44 54.8 o 807
2011-09-21 05:19:09 C 23 08 33.24 -10 45 16.5 o 807
2011-09-23 06:12:39 C 23 14 46.29 -12 10 28.3 o H21
2011-09-23 06:23:04 C 23 14 47.45 -12 10 44.4 o H21
2011-09-23 06:28:26 C 23 14 48.06 -12 10 53.0 o H21
2011-09-23 06:33:46 C 23 14 48.67 -12 11 01.7 o H21
2011-09-25 05:45:54 C 23 20 12.30 -13 19 57.5 o 807
2011-09-25 05:51:34 C 23 20 12.88 -13 20 05.1 o 807
2011-09-25 05:57:14 C 23 20 13.44 -13 20 12.8 o 807
2011-09-25 06:02:52 C 23 20 14.01 -13 20 20.3 o 807
2011-09-29 12:54:39 C 23 30 21.56 -15 17 59.8 o 474
2011-09-29 12:58:50 C 23 30 21.89 -15 18 03.6 o 474
2011-09-29 13:02:49 C 23 30 22.18 -15 18 08.0 o 474