2011 SY120

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2296892247 ± 1.07e-07
Semi-major axis (a)1.2166985493 AU ± 1.96e-08
Inclination (i)31.92769990° ± 7.17e-05
Long. of Asc. Node (Ω)2.54916085° ± 5.12e-06
Arg. of Perihelion (ω)115.08887847° ± 4.67e-05
Mean Anomaly (M)108.35016034° ± 1.18e-04
Mean Motion (n)0.7344086625°/day ± 1.77e-08
Perihelion dist (q)0.93723600 AU ± 1.31e-07
Aphelion dist (Q)1.49616110 AU ± 1.32e-07
Orbital Period1.34206789 yr ± 3.24e-08
Physical Parameters
H (abs. magnitude)23.27
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.509″
Uncertainty0
Orbit TypeApollo
MOID0.050585 AU
Observations Used72
Oppositions1
Arc Total2011-2015
First Observation Used2011-09-26
Last Observation Used2015-09-15
Observations (76)
Date Type RA Dec Mag Band Observatory
2012-03-24 03:05:13 C 10 58 36.90 +05 57 39.9 o 844
2012-03-24 03:06:14 C 10 58 36.24 +05 57 21.1 o 844
2012-03-24 03:07:13 C 10 58 35.30 +05 56 59.2 o 844
2012-03-24 03:08:14 C 10 58 34.33 +05 56 37.0 o 844
2012-03-24 03:09:14 C 10 58 33.53 +05 56 16.7 o 844
2012-03-24 05:11:04 C 10 57 02.78 +05 11 56.2 18.2 c 704
2012-03-24 05:26:24 C 10 56 50.49 +05 06 44.8 18.1 c 704
2012-03-24 05:28:07 C 10 56 47.45 +05 05 58.5 u H36
2012-03-24 05:29:14 C 10 56 46.58 +05 05 36.3 u H36
2012-03-24 05:31:07 C 10 56 45.07 +05 04 57.8 u H36
2012-03-24 05:32:15 C 10 56 44.15 +05 04 34.6 u H36
2012-03-24 05:41:45 C 10 56 38.20 +05 01 34.2 18.3 c 704
2012-03-24 05:57:08 C 10 56 25.93 +04 56 23.4 18.2 c 704
2012-03-24 06:12:58 C 10 56 13.29 +04 51 03.5 18.6 c 704
2012-03-24 06:40:06 C 10 55 51.71 +04 41 56.5 18.6 c 704
2012-03-24 06:55:29 C 10 55 39.54 +04 36 46.3 18.8 c 704
2012-03-24 07:10:45 C 10 55 27.46 +04 31 39.7 19.1 c 704
2012-03-24 07:25:58 C 10 55 15.46 +04 26 34.3 19.2 c 704
2012-03-24 07:41:26 C 10 55 03.30 +04 21 24.7 18.9 c 704
2012-03-25 01:09:27 C 10 42 43.77 -01 08 59.8 t 204
2012-03-25 01:18:46 C 10 42 37.43 -01 11 45.7 t 204
2012-03-25 01:28:06 C 10 42 31.13 -01 14 30.9 t 204
2015-09-10 13:02:03 C 00 41 42.325 -26 42 54.94 t 568
2015-09-10 13:06:52 C 00 41 41.395 -26 42 50.78 t 568
2015-09-15 10:55:13 C 00 17 47.567 -24 40 51.81 t 568
2015-09-15 10:58:53 C 00 17 46.730 -24 40 47.24 t 568