2009 HG

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2226332490 ± 1.36e-08
Semi-major axis (a)1.3651659806 AU ± 5.62e-09
Inclination (i)3.63985409° ± 2.25e-06
Long. of Asc. Node (Ω)230.93850963° ± 9.87e-06
Arg. of Perihelion (ω)356.76384668° ± 2.41e-05
Mean Anomaly (M)126.81226013° ± 1.78e-05
Mean Motion (n)0.6179226153°/day ± 3.82e-09
Perihelion dist (q)1.06123464 AU ± 1.90e-08
Aphelion dist (Q)1.66909732 AU ± 1.98e-08
Orbital Period1.59506427 yr ± 9.85e-09
NGA Modelr2
A2-1.70498902e-13 ± 1.53e-14 AU/d²
Physical Parameters
H (abs. magnitude)24.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.304″
Uncertainty0
Orbit TypeAmor
MOID0.050780 AU
Observations Used100
Oppositions6
Arc Total2009-2025
First Observation Used2009-04-17
Last Observation Used2025-03-23
Observations (101)
Date Type RA Dec Mag Band Observatory
2025-03-23 09:28:43 C 15 57 52.300 -33 58 41.30 V 807