2014 HD177

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5718234079 ± 1.35e-07
Semi-major axis (a)1.8487181151 AU ± 3.39e-09
Inclination (i)2.17664666° ± 5.35e-06
Long. of Asc. Node (Ω)219.20788255° ± 4.10e-05
Arg. of Perihelion (ω)274.97695343° ± 5.44e-05
Mean Anomaly (M)244.60547067° ± 3.08e-06
Mean Motion (n)0.3921010700°/day ± 1.08e-09
Perihelion dist (q)0.79157820 AU ± 2.49e-07
Aphelion dist (Q)2.90585800 AU ± 2.49e-07
Orbital Period2.51365710 yr ± 6.91e-09
Physical Parameters
H (abs. magnitude)22.89
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.288″
Uncertainty0
Orbit TypeApollo
MOID0.013010 AU
Observations Used159
Oppositions3
Arc Total2014-2024
First Observation Used
Last Observation Used2024-05-10
Observations (201)
Date Type RA Dec Mag Band Observatory
2023-10-14 06:46:34 C 00 36 49.432 -06 57 58.43 V V00