498550 (2008 HV4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2779242183 ± 1.86e-08
Semi-major axis (a)1.4263294280 AU ± 1.43e-09
Inclination (i)20.81526152° ± 6.72e-06
Long. of Asc. Node (Ω)223.98406026° ± 4.77e-06
Arg. of Perihelion (ω)249.53465469° ± 1.13e-05
Mean Anomaly (M)189.11226184° ± 9.33e-06
Mean Motion (n)0.5786054396°/day ± 8.67e-10
Perihelion dist (q)1.02991794 AU ± 2.66e-08
Aphelion dist (Q)1.82274092 AU ± 2.67e-08
Orbital Period1.70345146 yr ± 2.55e-09
Physical Parameters
H (abs. magnitude)19.62
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.351″
Uncertainty0
Orbit TypeAmor
MOID0.173810 AU
Observations Used346
Oppositions7
Arc Total2008-2025
First Observation Used2008-04-30
Last Observation Used2025-06-26
Observations (354)
Date Type RA Dec Mag Band Observatory
2025-06-21 15:30:11 C 13 55 23.987 +01 04 30.92 W O18
2025-06-21 16:22:31 C 13 55 26.209 +01 04 37.87 W O18
2025-06-26 15:20:54 C 14 00 59.847 +01 15 04.79 W O18
2025-06-26 16:13:06 C 14 01 02.273 +01 15 07.29 W O18