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
2019-09-25 04:50:27 C 23 41 28.20 +08 45 52.7 U I41
2019-09-25 07:25:01 C 23 41 21.96 +08 48 40.0 U I41
2019-09-25 08:09:40 C 23 41 20.14 +08 49 28.4 U I41
2019-09-26 22:26:55 C 23 40 04.80 +09 30 48.0 V C95
2019-09-26 22:35:52 C 23 40 04.43 +09 30 57.8 V C95
2019-09-26 22:44:50 C 23 40 04.07 +09 31 07.3 V C95
2019-09-30 05:31:59 C 23 37 32.31 +10 56 19.1 V G96
2019-09-30 05:40:08 C 23 37 32.01 +10 56 28.0 V G96
2019-09-30 05:48:18 C 23 37 31.68 +10 56 36.8 V G96
2019-09-30 05:56:30 C 23 37 31.36 +10 56 45.6 V G96
2019-10-02 05:22:25 C 23 36 05.19 +11 47 40.5 V 703
2019-10-02 05:29:55 C 23 36 05.01 +11 47 49.5 V 703
2019-10-02 05:37:24 C 23 36 04.68 +11 47 56.3 V 703
2019-10-02 05:44:52 C 23 36 04.39 +11 48 04.9 V 703
2019-10-04 04:10:55 C 23 34 46.35 +12 37 28.4 U I41
2019-10-04 04:52:22 C 23 34 44.95 +12 38 12.7 U I41
2019-10-05 04:09:31 C 23 34 08.27 +13 02 46.7 U I41
2019-10-05 04:51:02 C 23 34 06.92 +13 03 30.9 U I41
2019-10-05 05:24:21 C 23 34 05.63 +13 04 05.9 V 703
2019-10-05 05:31:56 C 23 34 05.36 +13 04 14.5 V 703
2019-10-05 05:39:30 C 23 34 05.12 +13 04 23.2 V 703
2019-10-05 05:47:04 C 23 34 04.69 +13 04 30.8 V 703
2019-10-05 07:09:34 C 23 34 02.28 +13 05 57.2 U I41
2019-10-06 04:09:08 C 23 33 32.19 +13 27 56.4 U I41
2019-10-06 04:49:55 C 23 33 30.92 +13 28 39.6 U I41
2019-10-07 04:11:04 C 23 32 58.25 +13 52 57.2 U I41
2019-10-07 04:52:03 C 23 32 57.00 +13 53 40.5 U I41
2019-10-08 05:13:54 C 23 32 24.76 +14 18 48.7 V 703
2019-10-08 05:21:27 C 23 32 24.52 +14 18 57.2 V 703
2019-10-08 05:29:03 C 23 32 24.35 +14 19 04.9 V 703
2019-10-08 05:36:36 C 23 32 24.13 +14 19 13.3 V 703
2019-10-08 08:34:04 C 23 32 19.24 +14 22 13.8 U I41
2019-10-08 09:55:35 C 23 32 17.11 +14 23 35.6 U I41
2019-10-19 05:32:49 C 23 29 53.63 +18 33 46.9 V 703
2019-10-19 05:40:35 C 23 29 53.55 +18 33 55.0 V 703
2019-10-19 05:48:20 C 23 29 53.64 +18 34 00.8 V 703
2019-10-19 05:56:05 C 23 29 53.59 +18 34 07.7 V 703
2019-10-22 04:23:51 C 23 30 25.20 +19 35 24.8 V 703
2019-10-22 04:31:31 C 23 30 25.29 +19 35 31.8 V 703
2019-10-22 04:39:12 C 23 30 25.32 +19 35 38.4 V 703
2019-10-22 04:46:52 C 23 30 25.40 +19 35 43.4 V 703
2019-10-24 03:15:43 C 23 31 05.08 +20 14 27.4 V G96
2019-10-24 03:23:20 C 23 31 05.14 +20 14 33.6 V G96
2019-10-24 03:30:55 C 23 31 05.21 +20 14 40.1 V G96
2019-10-24 03:38:32 C 23 31 05.28 +20 14 46.4 V G96
2019-10-25 08:56:17 C 23 31 36.538 +20 38 33.92 U F52
2019-10-25 09:14:03 C 23 31 36.747 +20 38 47.90 U F52
2019-10-25 09:31:52 C 23 31 36.966 +20 39 01.88 U F52
2019-10-25 09:49:38 C 23 31 37.187 +20 39 15.58 U F52
2019-11-02 05:27:29 C 23 37 34.932 +22 58 21.68 U F52