2011 ST232

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4570262727 ± 2.41e-08
Semi-major axis (a)2.1291742432 AU ± 2.81e-08
Inclination (i)2.13555918° ± 3.23e-06
Long. of Asc. Node (Ω)332.19294328° ± 3.77e-05
Arg. of Perihelion (ω)337.63882040° ± 4.03e-05
Mean Anomaly (M)228.26566514° ± 2.24e-05
Mean Motion (n)0.3172454999°/day ± 6.27e-09
Perihelion dist (q)1.15608567 AU ± 5.35e-08
Aphelion dist (Q)3.10226281 AU ± 6.56e-08
Orbital Period3.10682510 yr ± 6.14e-08
Physical Parameters
H (abs. magnitude)21.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.248″
Uncertainty0
Orbit TypeAmor
MOID0.140351 AU
Observations Used108
Oppositions4
Arc Total2011-2017
First Observation Used2011-09-29
Last Observation Used2017-04-21
Observations (111)
Date Type RA Dec Mag Band Observatory
2014-09-16 07:47:36 C 22 19 37.019 -07 06 23.36 L F51
2014-09-16 08:24:02 C 22 19 39.330 -07 05 58.99 L F51
2014-09-24 09:31:39 C 22 32 52.414 -05 09 37.79 L F51
2014-09-24 09:50:09 C 22 32 53.467 -05 09 27.80 L F51
2014-09-24 10:08:37 C 22 32 54.530 -05 09 17.81 L F51
2014-10-23 03:38:48 C 23 14 43.84 -00 22 58.2 u H21
2014-10-23 03:57:17 C 23 14 44.88 -00 22 51.7 u H21
2014-10-23 04:15:41 C 23 14 45.89 -00 22 45.4 u H21
2017-04-21 09:22:05 C 13 56 24.11 -16 20 38.9 o 291
2017-04-21 09:38:43 C 13 56 23.15 -16 20 35.5 o 291
2017-04-21 09:55:18 C 13 56 22.18 -16 20 31.9 o 291