2011 ST12

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2160816000
Semi-major axis (a)1.1164090000 AU
Inclination (i)6.13586000°
Long. of Asc. Node (Ω)353.73396000°
Arg. of Perihelion (ω)89.59374000°
Mean Anomaly (M)297.24516000°
Mean Motion (n)0.8355435600°/day
Perihelion dist (q)0.87517360 AU
Aphelion dist (Q)1.35764440 AU
Orbital Period1.17960060 yr
Physical Parameters
H (abs. magnitude)26.40
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.170″
Uncertainty6
Orbit TypeApollo
MOID0.026171 AU
Observations Used14
Oppositions1
Arc Total
First Observation Used
Last Observation Used2011-09-27
Observations (14)
Date Type RA Dec Mag Band Observatory
2011-09-19 08:43:35 C 00 26 26.562 +09 20 19.99 L F51
2011-09-19 09:18:45 C 00 26 22.138 +09 24 10.56 L F51
2011-09-19 09:35:29 C 00 26 19.980 +09 26 00.20 L F51
2011-09-20 12:15:58 C 00 23 45.549 +12 33 15.47 o 568
2011-09-20 12:17:50 C 00 23 45.260 +12 33 29.75 o 568
2011-09-20 23:06:54 C 00 22 45.62 +13 56 33.7 v I93
2011-09-20 23:16:47 C 00 22 44.14 +13 57 53.4 v I93
2011-09-20 23:24:07 C 00 22 43.07 +13 58 52.8 v I93
2011-09-23 06:46:04 C 00 15 01.73 +22 45 35.4 o H21
2011-09-23 06:50:06 C 00 15 00.79 +22 46 19.9 o H21
2011-09-23 06:54:09 C 00 14 59.86 +22 47 04.5 o H21
2011-09-23 06:56:51 C 00 14 59.25 +22 47 34.4 o H21
2011-09-27 00:37:49 C 23 49 40.49 +44 01 47.4 v 204
2011-09-27 01:21:34 C 23 49 17.27 +44 14 06.9 v 204