2011 SG189

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6027922670 ± 2.97e-08
Semi-major axis (a)2.2404458554 AU ± 5.90e-09
Inclination (i)37.05362306° ± 2.34e-05
Long. of Asc. Node (Ω)20.57176294° ± 4.09e-06
Arg. of Perihelion (ω)276.53002157° ± 1.25e-05
Mean Anomaly (M)102.82909630° ± 4.58e-06
Mean Motion (n)0.2939074515°/day ± 1.16e-09
Perihelion dist (q)0.88992242 AU ± 6.66e-08
Aphelion dist (Q)3.59096929 AU ± 6.72e-08
Orbital Period3.35352601 yr ± 1.33e-08
Physical Parameters
H (abs. magnitude)20.66
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.257″
Uncertainty0
Orbit TypeApollo
MOID0.236258 AU
Observations Used112
Oppositions7
Arc Total2011-2021
First Observation Used2011-04-03
Last Observation Used2021-11-01
Observations (124)
Date Type RA Dec Mag Band Observatory
2011-04-03 13:06:29 C 14 05 44.93 -12 15 54.5 V F51
2011-04-03 13:22:48 C 14 05 43.10 -12 16 20.8 V F51
2011-09-23 11:25:01 C 04 00 47.08 +18 29 09.7 r G96
2011-09-23 11:32:34 C 04 00 46.04 +18 29 27.3 r G96
2011-09-23 11:40:03 C 04 00 45.00 +18 29 43.9 r G96
2011-09-23 11:47:36 C 04 00 43.95 +18 30 01.0 r G96
2011-09-23 11:57:46 C 04 00 42.58 +18 30 23.6 r G96
2011-09-23 11:58:43 C 04 00 42.37 +18 30 26.8 r G96
2011-09-23 11:59:42 C 04 00 42.26 +18 30 29.0 r G96
2011-09-23 12:00:42 C 04 00 42.12 +18 30 31.4 r G96
2011-09-24 10:16:20 C 03 57 41.36 +19 21 30.6 r G96
2011-09-24 10:24:40 C 03 57 40.21 +19 21 49.6 r G96
2011-09-24 10:32:54 C 03 57 38.98 +19 22 08.7 r G96
2011-09-24 10:41:12 C 03 57 37.83 +19 22 27.7 r G96
2011-09-26 02:54:46 C 03 51 55.66 +20 53 42.3 t 204
2011-09-26 03:20:00 C 03 51 51.92 +20 54 39.0 t 204
2011-09-30 10:45:46 C 03 35 48.04 +24 41 41.9 r G96
2011-09-30 10:53:15 C 03 35 46.75 +24 41 58.0 r G96
2011-09-30 11:03:52 C 03 35 44.95 +24 42 20.6 r G96
2011-09-30 11:11:28 C 03 35 43.65 +24 42 36.7 r G96
2011-10-21 09:05:09 C 02 01 32.86 +37 04 33.5 o 291
2011-10-21 09:07:45 C 02 01 32.36 +37 04 34.4 o 291
2011-11-02 08:46:59 C 01 15 48.22 +38 55 07.0 o 291
2011-11-02 08:51:11 C 01 15 47.74 +38 55 07.5 o 291
2011-11-02 08:55:22 C 01 15 47.18 +38 55 07.6 o 291
2021-03-13 07:24:42 C 13 51 54.42 +09 49 12.0 V 807
2021-03-13 07:40:38 C 13 51 53.53 +09 49 09.8 V 807
2021-03-13 07:56:35 C 13 51 52.65 +09 49 07.4 V 807
2021-03-14 05:22:00 C 13 50 43.18 +09 46 04.7 V 807
2021-03-14 05:29:59 C 13 50 42.72 +09 46 03.6 V 807
2021-03-14 05:37:58 C 13 50 42.26 +09 46 02.5 V 807
2021-04-08 07:36:45 C 12 51 19.17 +06 16 22.7 V G96
2021-04-08 07:44:08 C 12 51 18.22 +06 16 18.5 V G96
2021-04-08 07:51:30 C 12 51 17.20 +06 16 13.9 V G96
2021-04-08 07:58:52 C 12 51 16.07 +06 16 08.8 V G96
2021-09-11 10:00:53 S 05 32 46.654 -38 20 31.56 L C51
2021-09-11 14:43:16 S 05 31 26.674 -38 13 33.35 L C51
2021-09-11 16:17:20 S 05 31 00.065 -38 11 14.24 L C51
2021-09-11 17:51:24 S 05 30 33.199 -38 08 52.44 L C51
2021-09-28 12:35:06 C 03 10 20.77 -18 41 14.5 V T05
2021-09-28 12:39:42 C 03 10 18.99 -18 40 54.3 V T05
2021-09-28 12:47:36 C 03 10 15.89 -18 40 20.2 V T05
2021-09-28 12:54:51 C 03 10 13.13 -18 39 48.3 V T05
2021-09-30 10:11:28 C 02 53 15.702 -15 19 45.10 U F51
2021-09-30 10:12:24 C 02 53 15.355 -15 19 41.03 U F51
2021-09-30 10:31:00 C 02 53 08.300 -15 18 17.90 U F51
2021-09-30 10:50:30 C 02 53 00.901 -15 16 50.66 U F51
2021-09-30 10:51:26 C 02 53 00.573 -15 16 46.78 U F51
2021-09-30 11:10:53 C 02 52 53.192 -15 15 19.82 U F51
2021-10-01 09:24:09 C 02 44 41.83 -13 35 18.6 U I41