2025 HW42

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4261189608 ± 1.03e-07
Semi-major axis (a)2.2131686428 AU ± 1.95e-08
Inclination (i)2.52464039° ± 3.41e-06
Long. of Asc. Node (Ω)276.60377483° ± 1.00e-04
Arg. of Perihelion (ω)21.39361458° ± 9.62e-05
Mean Anomaly (M)27.65932661° ± 3.62e-05
Mean Motion (n)0.2993577553°/day ± 3.96e-09
Perihelion dist (q)1.27009552 AU ± 2.28e-07
Aphelion dist (Q)3.15624176 AU ± 2.30e-07
Orbital Period3.29246951 yr ± 4.35e-08
Physical Parameters
H (abs. magnitude)20.66
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.111″
Uncertainty0
Orbit TypeAmor
MOID0.252959 AU
Observations Used50
Oppositions9
Arc Total2012-2025
First Observation Used2012-09-26
Last Observation Used2025-06-26
Observations (56)
Date Type RA Dec Mag Band Observatory
2025-06-22 07:14:10 C 14 09 27.461 -15 55 58.16 X F51
2025-06-22 07:31:50 C 14 09 27.854 -15 55 56.54 X F51
2025-06-22 07:49:30 C 14 09 28.224 -15 55 55.19 X F51
2025-06-26 07:16:55 C 14 12 27.461 -15 50 14.88 X F51
2025-06-26 07:34:38 C 14 12 28.028 -15 50 14.14 X F51
2025-06-26 08:10:01 C 14 12 29.171 -15 50 12.69 X F51