2011 SO189

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5657082565
Semi-major axis (a)1.9942872996 AU
Inclination (i)4.44493726°
Long. of Asc. Node (Ω)2.24042968° ± 5.00e+00
Arg. of Perihelion (ω)306.95403095° ± 6.00e+00
Mean Anomaly (M)23.10472950°
Mean Motion (n)0.3499632000°/day
Perihelion dist (q)0.86610260 AU
Aphelion dist (Q)3.12247260 AU
Orbital Period2.81631800 yr
Physical Parameters
H (abs. magnitude)26.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.269″
Uncertainty
Orbit TypeApollo
MOID0.001585 AU
Observations Used31
Oppositions1
Arc Total2011-2011
First Observation Used
Last Observation Used2011-10-06
Observations (31)
Date Type RA Dec Mag Band Observatory
2011-09-29 10:09:52 C 01 24 39.02 +18 15 51.0 r G96
2011-09-29 10:21:22 C 01 24 36.64 +18 15 57.5 r G96
2011-09-29 10:33:04 C 01 24 34.30 +18 16 04.4 r G96
2011-09-29 10:44:43 C 01 24 31.93 +18 16 10.8 r G96
2011-09-29 11:37:45 C 01 24 21.67 +18 16 39.0 r G96
2011-09-29 11:38:34 C 01 24 21.53 +18 16 39.6 r G96
2011-09-30 06:55:09 C 01 22 03.61 +18 28 25.8 r G96
2011-09-30 06:55:58 C 01 22 03.46 +18 28 26.1 r G96
2011-09-30 06:57:35 C 01 22 03.25 +18 28 27.2 r G96
2011-09-30 13:18:54 C 01 21 11.17 +18 31 59.9 t F65
2011-09-30 13:28:43 C 01 21 09.67 +18 32 03.3 t F65
2011-10-01 05:29:46 C 01 19 47.28 +18 37 32.6 o H21
2011-10-01 05:42:12 C 01 19 45.74 +18 37 36.8 o H21
2011-10-01 05:55:32 C 01 19 44.02 +18 37 42.6 o H21
2011-10-02 04:25:10 C 01 18 03.12 +18 44 10.3 t H21
2011-10-02 04:38:26 C 01 18 01.79 +18 44 14.9 t H21
2011-10-02 04:51:14 C 01 18 00.54 +18 44 18.9 t H21
2011-10-02 05:08:16 C 01 17 58.81 +18 44 23.6 t H21
2011-10-02 10:40:03 C 01 17 28.32 +18 45 44.1 o H01
2011-10-02 10:49:37 C 01 17 27.48 +18 45 45.1 o H01
2011-10-02 11:04:31 C 01 17 26.15 +18 45 46.3 o H01
2011-10-02 11:12:13 C 01 17 25.50 +18 45 47.1 o H01
2011-10-04 05:52:27 C 01 15 16.50 +18 52 28.7 o H21
2011-10-04 06:13:57 C 01 15 14.97 +18 52 31.3 o H21
2011-10-04 06:36:22 C 01 15 13.33 +18 52 33.4 o H21
2011-10-05 05:50:05 C 01 14 17.73 +18 54 28.8 o H21
2011-10-05 06:12:31 C 01 14 16.32 +18 54 30.0 o H21
2011-10-05 06:37:58 C 01 14 14.74 +18 54 31.5 o H21
2011-10-06 07:20:22 C 01 13 22.78 +18 55 36.0 o H21
2011-10-06 07:44:16 C 01 13 21.51 +18 55 36.0 o H21
2011-10-06 08:08:50 C 01 13 20.19 +18 55 35.7 o H21