IAA RAS IAA SBSS Data Base

2011 SH16

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4789689000
Semi-major axis (a)2.3715161000 AU
Inclination (i)4.01859000°
Long. of Asc. Node (Ω)68.05694000°
Arg. of Perihelion (ω)256.01133000°
Mean Anomaly (M)326.95524000°
Mean Motion (n)0.2698764400°/day
Perihelion dist (q)1.23563360 AU
Aphelion dist (Q)3.50739860 AU
Orbital Period3.65207020 yr
Physical Parameters
H (abs. magnitude)22.00
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.270″
Uncertainty—
Orbit TypeAmor
MOID0.233728 AU
Observations Used19
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2011-09-29
Observations (19)
Date Type RA Dec Mag Band Observatory
2011-09-17 11:36:10 C 23 36 44.91 -21 34 01.1 – V F51
2011-09-17 11:53:32 C 23 36 45.26 -21 33 46.5 – V F51
2011-09-20 09:46:09 C 23 38 41.801 -20 36 18.15 – L F51
2011-09-20 10:00:52 C 23 38 42.085 -20 36 06.07 – L F51
2011-09-20 10:18:58 C 23 38 42.406 -20 35 51.07 – L F51
2011-09-20 10:35:25 C 23 38 42.694 -20 35 37.48 – L F51
2011-09-21 06:04:07 C 23 39 12.97 -20 19 00.7 – o 807
2011-09-21 06:14:05 C 23 39 13.18 -20 18 52.2 – o 807
2011-09-21 06:25:37 C 23 39 13.39 -20 18 42.7 – o 807
2011-09-21 22:17:46 C 23 39 38.41 -20 05 58.5 – u B18
2011-09-21 22:27:52 C 23 39 38.66 -20 05 49.8 – u B18
2011-09-22 01:12:59 C 23 39 44.81 -20 02 59.9 – o 807
2011-09-22 01:25:19 C 23 39 45.07 -20 02 49.6 – o 807
2011-09-25 06:28:00 C 23 41 38.91 -18 58 03.0 – o 807
2011-09-25 06:42:33 C 23 41 39.19 -18 57 50.5 – o 807
2011-09-25 06:57:03 C 23 41 39.48 -18 57 37.8 – o 807
2011-09-29 12:38:19 C 23 44 08.67 -17 31 17.4 – o 474
2011-09-29 12:42:40 C 23 44 08.76 -17 31 13.8 – o 474
2011-09-29 12:47:00 C 23 44 08.84 -17 31 09.9 – o 474