2015 HD1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6472975137
Semi-major axis (a)2.3054114429 AU
Inclination (i)5.33884425° ± 4.00e+00
Long. of Asc. Node (Ω)210.78020571°
Arg. of Perihelion (ω)57.81941115°
Mean Anomaly (M)356.08420388°
Mean Motion (n)0.2815666400°/day
Perihelion dist (q)0.81312370 AU
Aphelion dist (Q)3.79770070 AU
Orbital Period3.50044200 yr
Physical Parameters
H (abs. magnitude)27.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.345″
Uncertainty
Orbit TypeApollo
MOID0.001954 AU
Observations Used52
Oppositions1
Arc Total2015-2015
First Observation Used
Last Observation Used2015-04-21
Observations (53)
Date Type RA Dec Mag Band Observatory
2015-04-21 03:36:19 C 11 58 21.22 -23 28 44.3 q H15
2015-04-21 03:42:14 C 11 57 20.31 -23 40 37.0 q H15
2015-04-21 03:48:29 C 11 56 13.23 -23 53 34.4 q H15