2011 SH189

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1053915652 ± 5.01e-06
Semi-major axis (a)1.2235234810 AU ± 1.28e-05
Inclination (i)5.86746351° ± 2.79e-04
Long. of Asc. Node (Ω)182.70974552° ± 2.44e-04
Arg. of Perihelion (ω)217.44384967° ± 1.14e-03
Mean Anomaly (M)137.89487318° ± 5.87e-02
Mean Motion (n)0.7282723364°/day ± 1.14e-05
Perihelion dist (q)1.09457443 AU ± 1.30e-05
Aphelion dist (Q)1.35247254 AU ± 1.54e-05
Orbital Period1.35337597 yr ± 2.12e-05
Physical Parameters
H (abs. magnitude)24.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.380″
Uncertainty2
Orbit TypeAmor
MOID0.106189 AU
Observations Used64
Oppositions1
Arc Total2011-2011
First Observation Used2011-09-11
Last Observation Used2011-12-02
Observations (64)
Date Type RA Dec Mag Band Observatory
2011-10-30 09:54:42 C 03 18 07.06 -15 13 47.2 o 291
2011-10-30 09:57:54 C 03 18 07.08 -15 13 51.6 o 291
2011-11-16 06:50:43 C 03 24 01.74 -21 34 42.6 o 291
2011-11-16 06:58:36 C 03 24 01.63 -21 34 46.7 o 291
2011-11-16 07:06:27 C 03 24 01.58 -21 34 50.3 o 291
2011-11-17 05:45:29 C 03 24 14.22 -21 43 00.6 o 291
2011-11-17 05:55:02 C 03 24 14.16 -21 43 03.9 o 291
2011-11-17 06:04:30 C 03 24 14.08 -21 43 07.2 o 291
2011-11-25 07:31:54 C 03 25 54.666 -22 01 17.38 V F51
2011-11-25 07:50:21 C 03 25 54.539 -22 01 15.76 V F51
2011-11-25 08:08:42 C 03 25 54.449 -22 01 14.37 V F51
2011-11-25 08:26:15 C 03 25 54.354 -22 01 12.46 V F51
2011-12-02 08:04:49 C 03 28 04.396 -21 10 09.32 V F51
2011-12-02 08:24:25 C 03 28 04.439 -21 10 00.79 V F51