2011 SA121

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2877456749
Semi-major axis (a)1.4551101554 AU
Inclination (i)22.02866522°
Long. of Asc. Node (Ω)187.85412765°
Arg. of Perihelion (ω)147.71240321° ± 6.00e+00
Mean Anomaly (M)39.86151157°
Mean Motion (n)0.5615293500°/day
Perihelion dist (q)1.03641710 AU
Aphelion dist (Q)1.87374870 AU
Orbital Period1.75522020 yr
Physical Parameters
H (abs. magnitude)24.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.696″
Uncertainty
Orbit TypeAmor
MOID0.066290 AU
Observations Used23
Oppositions1
Arc Total2011-2011
First Observation Used
Last Observation Used2011-10-01
Observations (23)
Date Type RA Dec Mag Band Observatory
2011-09-27 07:26:02 C 01 46 47.35 +24 35 28.3 r G96
2011-09-27 07:34:14 C 01 46 49.15 +24 33 43.5 r G96
2011-09-27 07:42:28 C 01 46 50.95 +24 31 54.2 r G96
2011-09-27 07:50:45 C 01 46 52.78 +24 30 07.2 r G96
2011-09-27 09:27:04 C 01 47 13.77 +24 09 16.2 r G96
2011-09-27 09:27:45 C 01 47 13.95 +24 09 07.2 r G96
2011-09-27 09:28:29 C 01 47 14.10 +24 08 57.4 r G96
2011-09-27 10:29:00 C 01 47 27.27 +23 55 47.1 r G96
2011-09-27 10:29:47 C 01 47 27.45 +23 55 36.4 r G96
2011-09-27 10:30:38 C 01 47 27.63 +23 55 25.6 r G96
2011-09-27 10:31:28 C 01 47 27.85 +23 55 13.7 r G96
2011-09-27 22:35:05 C 01 50 28.93 +21 17 56.6 u J95
2011-09-27 23:24:00 C 01 50 39.57 +21 07 26.2 u J95
2011-09-28 07:21:48 C 01 52 29.67 +19 25 05.5 r G96
2011-09-28 07:23:25 C 01 52 29.96 +19 24 43.8 r G96
2011-09-28 07:25:06 C 01 52 30.28 +19 24 23.2 r G96
2011-09-28 07:26:43 C 01 52 30.61 +19 24 01.2 r G96
2011-09-28 07:28:22 C 01 52 30.93 +19 23 40.8 r G96
2011-09-28 08:43:14 C 01 52 45.21 +19 07 35.1 o H01
2011-09-28 08:56:08 C 01 52 47.73 +19 04 48.8 o H01
2011-09-28 09:36:15 C 01 52 55.60 +18 56 11.2 o H01
2011-10-01 02:26:56 C 02 05 43.17 +05 41 11.7 t 204
2011-10-01 02:40:35 C 02 05 45.18 +05 38 35.5 t 204