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
2011-09-26 08:23:04 C 00 10 49.51 +01 58 51.7 r G96
2011-09-26 08:29:43 C 00 10 47.71 +01 59 09.6 r G96
2011-09-26 08:36:29 C 00 10 45.84 +01 59 28.0 r G96
2011-09-26 08:43:11 C 00 10 44.04 +01 59 46.4 r G96
2011-09-26 09:37:37 C 00 10 29.35 +02 02 14.1 r G96
2011-09-26 09:49:56 C 00 10 25.92 +02 02 47.4 r G96
2011-09-26 09:59:29 C 00 10 23.46 +02 03 12.3 o 291
2011-09-26 10:02:04 C 00 10 22.65 +02 03 20.2 r G96
2011-09-26 10:05:04 C 00 10 21.92 +02 03 28.1 o 291
2011-09-26 10:14:21 C 00 10 19.32 +02 03 53.5 r G96
2011-09-26 10:19:47 C 00 10 18.01 +02 04 07.2 o 291
2011-09-26 10:25:07 C 00 10 16.40 +02 04 22.7 o 291
2011-09-26 10:30:25 C 00 10 14.95 +02 04 38.5 o 291
2011-09-27 22:00:51 C 00 00 44.02 +03 42 16.6 u J95
2011-09-27 22:11:59 C 00 00 40.95 +03 42 49.0 u J95
2011-09-28 07:34:59 C 23 58 05.73 +04 09 10.1 r G96
2011-09-28 07:37:03 C 23 58 05.16 +04 09 15.8 r G96
2011-09-28 07:39:03 C 23 58 04.40 +04 09 22.5 r G96
2011-09-28 07:41:04 C 23 58 03.93 +04 09 27.6 r G96
2011-09-29 08:26:31 C 23 51 11.21 +05 19 13.3 o H01
2011-09-29 08:36:39 C 23 51 08.31 +05 19 41.8 o H01
2011-09-29 08:47:13 C 23 51 05.29 +05 20 11.8 o H01
2011-09-29 08:56:11 C 23 51 02.74 +05 20 37.5 o H01
2011-09-29 09:07:29 C 23 50 59.53 +05 21 09.3 o H01
2011-10-01 04:18:59 C 23 38 48.20 +07 24 04.3 o H01
2011-10-01 04:30:57 C 23 38 44.70 +07 24 38.6 o H01
2011-10-01 04:44:11 C 23 38 40.80 +07 25 16.6 o H01
2011-10-01 04:56:52 C 23 38 37.10 +07 25 52.7 o H01
2011-10-02 02:34:28 C 23 32 25.47 +08 27 27.2 t H21
2011-10-02 02:53:22 C 23 32 20.01 +08 28 21.1 t H21
2011-10-02 03:10:33 C 23 32 14.92 +08 29 10.3 t H21
2012-03-23 06:39:04 C 11 15 43.66 +13 17 11.9 19.0 c 704
2012-03-23 06:54:19 C 11 15 29.29 +13 11 26.5 17.9 c 704
2012-03-23 07:10:01 C 11 15 14.58 +13 05 33.1 18.3 c 704
2012-03-23 07:25:20 C 11 15 00.22 +12 59 47.6 18.3 c 704
2012-03-24 00:08:33 C 11 00 54.69 +06 55 09.5 u J95
2012-03-24 00:11:01 C 11 00 52.66 +06 54 18.1 u J95
2012-03-24 00:13:30 C 11 00 50.64 +06 53 26.2 u J95
2012-03-24 00:22:02 C 11 00 43.62 +06 50 27.6 u J95
2012-03-24 01:37:49 C 10 59 48.75 +06 27 44.2 u I39
2012-03-24 01:45:05 C 10 59 42.80 +06 25 14.6 u I39
2012-03-24 01:53:37 C 10 59 35.74 +06 22 16.7 u I39
2012-03-24 02:24:50 C 10 59 16.80 +06 08 37.9 o G48
2012-03-24 02:25:17 C 10 59 16.41 +06 08 29.1 o G48
2012-03-24 02:28:35 C 10 59 13.73 +06 07 21.4 o G48
2012-03-24 02:29:04 C 10 59 13.34 +06 07 10.5 o G48
2012-03-24 02:36:14 C 10 59 07.63 +06 04 43.7 o G48
2012-03-24 02:36:48 C 10 59 07.13 +06 04 32.1 o G48
2012-03-24 02:37:22 C 10 59 06.71 +06 04 19.7 o G48
2012-03-24 02:37:57 C 10 59 06.24 +06 04 07.9 o G48