523915 (1997 VM4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8166183325 ± 3.63e-08
Semi-major axis (a)2.6075124042 AU ± 1.43e-08
Inclination (i)14.47157325° ± 2.79e-05
Long. of Asc. Node (Ω)44.47744859° ± 1.75e-05
Arg. of Perihelion (ω)125.99975853° ± 2.08e-05
Mean Anomaly (M)196.45285765° ± 5.12e-06
Mean Motion (n)0.2340845236°/day ± 1.93e-09
Perihelion dist (q)0.47816997 AU ± 9.47e-08
Aphelion dist (Q)4.73685484 AU ± 9.82e-08
Orbital Period4.21055723 yr ± 3.47e-08
Physical Parameters
H (abs. magnitude)18.57
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.524″
Uncertainty0
Orbit TypeApollo
MOID0.112446 AU
Observations Used241
Oppositions17
Arc Total1997-2019
First Observation Used1997-11-06
Last Observation Used2019-06-27
Observations (256)
Date Type RA Dec Mag Band Observatory
2019-06-26 23:38:59 S 09 43 30.708 -67 13 37.56 L C51
2019-06-27 09:23:40 C 09 56 15.92 -68 12 41.4 V R57
2019-06-27 09:24:30 C 09 56 17.06 -68 12 45.7 V R57
2019-06-27 09:25:20 C 09 56 18.13 -68 12 50.6 V R57
2019-06-27 09:32:11 C 09 56 27.25 -68 13 29.3 V R57
2019-06-27 09:33:51 C 09 56 29.54 -68 13 38.4 V R57