2010 HG20

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2323313115 ± 3.84e-07
Semi-major axis (a)1.1384824482 AU ± 4.25e-08
Inclination (i)17.53534927° ± 6.45e-05
Long. of Asc. Node (Ω)52.96949655° ± 2.24e-05
Arg. of Perihelion (ω)42.29986694° ± 1.70e-04
Mean Anomaly (M)37.50882627° ± 6.21e-05
Mean Motion (n)0.8113771386°/day ± 4.54e-08
Perihelion dist (q)0.87397733 AU ± 4.39e-07
Aphelion dist (Q)1.40298757 AU ± 4.41e-07
Orbital Period1.21475728 yr ± 6.80e-08
Physical Parameters
H (abs. magnitude)21.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.380″
Uncertainty0
Orbit TypeApollo
MOID0.065980 AU
Observations Used52
Oppositions1
Arc Total2010-2016
First Observation Used2010-04-20
Last Observation Used2016-04-20
Observations (56)
Date Type RA Dec Mag Band Observatory
2015-12-12 20:03:33 C 22 05 47.98 -13 40 22.3 t 950
2015-12-12 20:05:02 C 22 05 48.10 -13 40 19.1 t 950
2015-12-12 20:06:30 C 22 05 48.21 -13 40 15.8 t 950
2016-04-20 06:38:57 C 11 06 10.58 +50 08 27.0 t 705
2016-04-20 06:40:24 C 11 06 10.66 +50 08 21.5 t 705
2016-04-20 06:41:51 C 11 06 10.75 +50 08 16.8 t 705