516457 (2005 HM3)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3100975440 ± 6.15e-08
Semi-major axis (a)1.6783775827 AU ± 2.46e-09
Inclination (i)28.32288669° ± 1.35e-05
Long. of Asc. Node (Ω)209.19207572° ± 4.62e-06
Arg. of Perihelion (ω)4.31882902° ± 2.27e-05
Mean Anomaly (M)168.50081896° ± 1.42e-05
Mean Motion (n)0.4532917040°/day ± 9.97e-10
Perihelion dist (q)1.15791682 AU ± 1.03e-07
Aphelion dist (Q)2.19883835 AU ± 1.03e-07
Orbital Period2.17437530 yr ± 4.78e-09
Physical Parameters
H (abs. magnitude)19.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.351″
Uncertainty0
Orbit TypeAmor
MOID0.153607 AU
Observations Used146
Oppositions7
Arc Total2005-2018
First Observation Used2005-04-20
Last Observation Used2018-07-04
Observations (152)
Date Type RA Dec Mag Band Observatory
2018-07-04 05:21:39 C 14 32 31.14 +35 26 23.6 U G96
2018-07-04 05:29:54 C 14 32 32.07 +35 26 20.6 U G96