2011 SG16

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3566661927 ± 1.20e-07
Semi-major axis (a)1.9207624476 AU ± 1.82e-09
Inclination (i)7.41652549° ± 7.18e-06
Long. of Asc. Node (Ω)343.92538267° ± 1.78e-05
Arg. of Perihelion (ω)48.80805753° ± 6.54e-05
Mean Anomaly (M)98.11080611° ± 2.28e-05
Mean Motion (n)0.3702557329°/day ± 5.26e-10
Perihelion dist (q)1.23569142 AU ± 2.30e-07
Aphelion dist (Q)2.60583348 AU ± 2.30e-07
Orbital Period2.66201492 yr ± 3.78e-09
Physical Parameters
H (abs. magnitude)21.16
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.220″
Uncertainty0
Orbit TypeAmor
MOID0.258314 AU
Observations Used159
Oppositions10
Arc Total2003-2019
First Observation Used2003-08-22
Last Observation Used2019-12-02
Observations (168)
Date Type RA Dec Mag Band Observatory
2011-10-16 03:00:39 C 22 42 41.29 +08 12 58.1 o 291
2011-10-16 03:03:49 C 22 42 41.32 +08 13 00.9 o 291
2011-10-16 03:55:24 C 22 42 41.44 +08 13 47.1 u 448
2011-10-16 05:02:28 C 22 42 41.77 +08 14 47.2 u 448
2011-10-16 06:00:18 C 22 42 42.09 +08 15 39.3 u 448
2011-10-18 02:56:02 C 22 43 23.29 +08 55 53.0 o 291
2011-10-18 02:59:13 C 22 43 23.32 +08 55 55.8 o 291
2011-10-18 03:02:23 C 22 43 23.36 +08 55 58.6 o 291
2011-10-19 03:04:15 C 22 43 50.50 +09 17 19.9 o 291
2011-10-19 03:08:26 C 22 43 50.57 +09 17 23.4 o 291
2011-10-19 03:12:36 C 22 43 50.63 +09 17 27.3 o 291
2011-10-20 04:07:45 C 22 44 22.72 +09 39 27.9 o 291
2011-10-20 04:10:57 C 22 44 22.77 +09 39 31.8 o 291
2011-10-20 04:14:07 C 22 44 22.83 +09 39 34.6 o 291
2011-10-30 01:45:16 C 22 53 13.68 +13 02 25.0 o 291
2011-10-30 01:50:27 C 22 53 13.91 +13 02 29.2 o 291
2011-10-30 01:55:37 C 22 53 14.16 +13 02 33.9 o 291
2011-11-23 04:22:50 C 23 39 19.45 +20 15 24.2 o 291
2011-11-23 04:25:41 C 23 39 19.74 +20 15 25.9 o 291
2011-11-23 04:28:32 C 23 39 20.02 +20 15 27.1 o 291
2019-08-08 12:59:01 C 23 49 04.591 -07 16 29.38 U F52
2019-08-08 13:15:47 C 23 49 04.985 -07 16 19.60 U F52
2019-08-08 13:32:27 C 23 49 05.390 -07 16 09.98 U F52
2019-08-08 13:49:07 C 23 49 05.792 -07 16 00.43 U F52
2019-08-25 11:12:40 C 23 55 45.250 -02 49 31.47 U F52
2019-08-25 11:29:30 C 23 55 45.192 -02 49 18.53 U F52
2019-08-25 11:46:25 C 23 55 45.136 -02 49 06.01 U F52
2019-08-25 12:03:12 C 23 55 45.091 -02 48 53.43 U F52
2019-09-05 07:02:52 C 23 54 09.09 +00 44 27.9 X W84
2019-09-05 07:22:20 C 23 54 08.69 +00 44 44.9 X W84
2019-09-05 07:41:47 C 23 54 08.29 +00 45 02.1 X W84
2019-09-05 08:35:34 C 23 54 08.13 +00 45 24.5 V G96
2019-09-05 08:43:03 C 23 54 07.96 +00 45 31.2 V G96
2019-09-05 08:50:32 C 23 54 07.82 +00 45 37.8 V G96
2019-09-05 08:57:59 C 23 54 07.65 +00 45 44.4 V G96
2019-09-20 06:44:20 C 23 45 19.35 +06 39 10.8 V 703
2019-09-20 07:07:42 C 23 45 18.31 +06 39 34.9 V 703
2019-09-20 07:23:38 C 23 45 17.82 +06 39 53.7 V G96
2019-09-20 07:31:00 C 23 45 17.54 +06 40 01.4 V G96
2019-09-20 07:38:21 C 23 45 17.25 +06 40 09.1 V G96
2019-09-20 07:45:43 C 23 45 16.96 +06 40 17.1 V G96
2019-09-22 06:01:42 C 23 43 48.14 +07 29 37.9 U I41
2019-09-22 07:53:24 C 23 43 43.65 +07 31 37.8 U I41
2019-09-24 04:12:24 C 23 42 17.44 +08 19 16.4 U I41
2019-09-24 04:53:53 C 23 42 15.82 +08 20 01.2 U I41
2019-09-24 10:04:20 C 23 42 04.47 +08 25 43.8 V T05
2019-09-24 10:08:42 C 23 42 04.28 +08 25 48.0 V T05
2019-09-24 10:16:16 C 23 42 03.96 +08 25 55.5 V T05
2019-09-24 10:31:55 C 23 42 03.33 +08 26 13.1 V T05
2019-09-25 04:09:00 C 23 41 29.80 +08 45 07.2 U I41