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
2019-11-02 06:01:28 C 23 37 36.120 +22 58 45.62 U F52
2019-11-02 06:18:24 C 23 37 36.709 +22 58 57.39 U F52
2019-11-04 21:09:55 C 23 40 32.64 +23 40 51.5 20.1 q J43
2019-11-04 21:22:14 C 23 40 33.16 +23 40 58.9 19.7 q J43
2019-11-04 21:34:31 C 23 40 33.68 +23 41 07.3 19.9 q J43
2019-11-04 21:46:48 C 23 40 34.25 +23 41 15.4 19.1 q J43
2019-11-15 05:08:52 C 23 56 26.931 +26 05 48.09 U F51
2019-11-15 05:26:23 C 23 56 28.154 +26 05 57.56 U F51
2019-11-15 05:43:56 C 23 56 29.374 +26 06 06.82 U F51
2019-11-15 06:01:31 C 23 56 30.590 +26 06 16.19 U F51
2019-11-25 08:20:47 C 00 17 45.436 +27 57 38.01 U F51
2019-11-25 08:36:17 C 00 17 46.856 +27 57 43.88 U F51
2019-11-25 09:25:29 C 00 17 51.390 +27 58 02.19 U F51
2019-11-25 09:40:58 C 00 17 52.834 +27 58 07.96 U F51
2019-12-02 03:32:43 C 00 34 40.34 +28 57 37.2 V G96
2019-12-02 03:40:18 C 00 34 41.10 +28 57 40.4 V G96
2019-12-02 03:47:51 C 00 34 41.91 +28 57 42.2 V G96
2019-12-02 03:55:24 C 00 34 42.66 +28 57 44.9 V G96