2011 SN189

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2940430000
Semi-major axis (a)1.5304363000 AU
Inclination (i)16.07658000°
Long. of Asc. Node (Ω)4.24283000°
Arg. of Perihelion (ω)356.72824000°
Mean Anomaly (M)172.18242000°
Mean Motion (n)0.5205724500°/day
Perihelion dist (q)1.08042220 AU
Aphelion dist (Q)1.98045040 AU
Orbital Period1.89331500 yr
Physical Parameters
H (abs. magnitude)25.60
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.400″
Uncertainty8
Orbit TypeAmor
MOID0.076473 AU
Observations Used17
Oppositions1
Arc Total
First Observation Used
Last Observation Used2011-09-30
Observations (20)
Date Type RA Dec Mag Band Observatory
2011-09-26 10:22:53 C 00 59 19.214 +03 50 41.19 V F51
2011-09-26 10:43:04 C 00 59 15.645 +03 53 49.08 V F51
2011-09-26 11:12:58 C 00 59 10.366 +03 58 25.71 V F51
2011-09-29 08:24:39 C 00 48 51.15 +14 24 11.4 r G96
2011-09-29 08:34:28 C 00 48 49.39 +14 25 35.8 r G96
2011-09-29 08:44:24 C 00 48 47.62 +14 27 03.0 r G96
2011-09-29 08:54:17 C 00 48 45.90 +14 28 28.2 r G96
2011-09-29 09:52:22 C 00 48 35.74 +14 36 50.5 r G96
2011-09-29 09:53:11 C 00 48 35.60 +14 36 59.1 r G96
2011-09-29 09:54:03 C 00 48 35.38 +14 37 06.0 r G96
2011-09-29 09:54:51 C 00 48 35.28 +14 37 12.5 r G96
2011-09-29 10:56:21 C 00 48 24.80 +14 46 02.2 r G96
2011-09-29 10:57:12 C 00 48 24.63 +14 46 09.5 r G96
2011-09-29 10:58:03 C 00 48 24.50 +14 46 17.1 r G96
2011-09-29 23:04:52 C 00 46 41.17 +16 29 57.5 u J95
2011-09-29 23:36:33 C 00 46 35.71 +16 34 27.5 u J95
2011-09-30 06:33:38 C 00 45 33.51 +17 33 42.0 r G96
2011-09-30 06:34:44 C 00 45 33.40 +17 33 50.9 r G96
2011-09-30 06:35:49 C 00 45 33.19 +17 34 00.1 r G96
2011-09-30 06:36:55 C 00 45 32.97 +17 34 08.7 r G96