2011 SJ189

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3865146295 ± 1.60e-05
Semi-major axis (a)1.8756196808 AU ± 5.74e-05
Inclination (i)4.63652989° ± 1.39e-04
Long. of Asc. Node (Ω)23.34841557° ± 8.64e-05
Arg. of Perihelion (ω)8.48122968° ± 2.97e-04
Mean Anomaly (M)173.54389764° ± 9.23e-02
Mean Motion (n)0.3837029202°/day ± 1.76e-05
Perihelion dist (q)1.15066523 AU ± 4.63e-05
Aphelion dist (Q)2.60057413 AU ± 8.51e-05
Orbital Period2.56872239 yr ± 1.18e-04
Physical Parameters
H (abs. magnitude)22.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.297″
Uncertainty2
Orbit TypeAmor
MOID0.154603 AU
Observations Used61
Oppositions1
Arc Total2011-2011
First Observation Used2011-09-28
Last Observation Used2011-12-24
Observations (61)
Date Type RA Dec Mag Band Observatory
2011-09-28 09:02:19 C 02 37 57.90 +09 00 47.5 o 691
2011-09-28 09:27:54 C 02 38 00.40 +09 01 24.7 o 691
2011-09-28 09:53:28 C 02 38 02.93 +09 02 02.1 o 691
2011-09-28 10:42:54 C 02 38 07.80 +09 03 14.0 o 291
2011-09-28 10:49:09 C 02 38 08.41 +09 03 22.9 o 291
2011-09-28 10:54:48 C 02 38 08.98 +09 03 31.5 o 291
2011-09-28 11:22:49 C 02 38 11.75 +09 04 12.0 o 291
2011-09-28 11:28:13 C 02 38 12.32 +09 04 20.1 o 291
2011-09-28 11:34:08 C 02 38 12.90 +09 04 28.6 o 291
2011-09-29 05:37:31 C 02 40 14.45 +09 30 58.7 o H01
2011-09-29 05:47:01 C 02 40 15.42 +09 31 12.6 o H01
2011-09-29 05:59:16 C 02 40 16.67 +09 31 31.2 o H01
2011-09-29 06:09:18 C 02 40 17.71 +09 31 46.2 o H01
2011-09-29 06:47:46 C 02 40 21.78 +09 32 44.7 o 291
2011-09-29 06:53:26 C 02 40 22.33 +09 32 53.6 o 291
2011-09-29 06:59:08 C 02 40 22.92 +09 33 02.2 o 291
2011-09-29 07:01:50 C 02 40 22.24 +09 33 01.6 t H21
2011-09-29 07:17:25 C 02 40 23.78 +09 33 25.0 t H21
2011-09-29 07:33:00 C 02 40 25.32 +09 33 48.0 t H21
2011-09-29 11:50:04 C 02 40 51.65 +09 40 13.4 o 291
2011-09-29 11:55:35 C 02 40 52.19 +09 40 21.8 o 291
2011-09-29 12:01:00 C 02 40 52.75 +09 40 29.7 o 291
2011-09-30 06:22:39 C 02 42 56.17 +10 07 54.5 o 291
2011-09-30 06:28:09 C 02 42 56.74 +10 08 02.5 o 291
2011-09-30 06:35:47 C 02 42 57.51 +10 08 14.7 o 291
2011-09-30 10:12:00 C 02 43 18.84 +10 13 41.6 o 691
2011-09-30 10:37:35 C 02 43 21.35 +10 14 20.3 o 691
2011-09-30 11:03:10 C 02 43 23.80 +10 14 57.6 o 691
2011-10-05 09:24:51 C 02 56 10.65 +13 18 59.3 o H21
2011-10-05 09:26:48 C 02 56 10.85 +13 19 02.1 o H21
2011-10-05 09:32:15 C 02 56 11.38 +13 19 10.4 o H21
2011-10-16 08:30:43 C 03 23 07.78 +20 31 32.2 o 291
2011-10-16 08:33:24 C 03 23 07.98 +20 31 36.0 o 291
2011-10-16 08:36:04 C 03 23 08.26 +20 31 40.7 o 291
2011-10-18 11:01:25 C 03 27 51.54 +21 54 18.8 o 291
2011-10-18 11:04:07 C 03 27 51.73 +21 54 23.2 o 291
2011-10-18 11:06:48 C 03 27 51.92 +21 54 27.2 o 291
2011-10-20 07:34:33 C 03 31 56.96 +23 06 20.5 o 691
2011-10-20 08:00:09 C 03 31 58.87 +23 07 02.2 o 691
2011-10-20 08:25:46 C 03 32 00.82 +23 07 44.1 o 691
2011-10-20 09:42:53 C 03 32 06.64 +23 09 46.8 r G96
2011-10-20 09:51:10 C 03 32 07.26 +23 09 59.9 r G96
2011-10-20 09:59:35 C 03 32 07.90 +23 10 13.2 r G96
2011-10-20 10:07:50 C 03 32 08.52 +23 10 26.6 r G96
2011-10-23 09:49:23 C 03 38 18.18 +25 03 24.1 o 291
2011-10-23 09:54:25 C 03 38 18.52 +25 03 31.9 o 291
2011-10-29 05:45:27 C 03 49 00.70 +28 29 17.1 o 291
2011-10-29 05:50:11 C 03 49 01.00 +28 29 24.7 o 291
2011-10-29 05:54:55 C 03 49 01.28 +28 29 31.3 o 291
2011-10-29 07:59:22 C 03 49 08.06 +28 32 28.2 u 448