387746 (2003 MH4)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5130988169 ± 2.00e+00
Semi-major axis (a)1.9627160294 AU ± 3.00e+00
Inclination (i)3.91056642° ± 4.00e+00
Long. of Asc. Node (Ω)259.48318317° ± 5.00e+00
Arg. of Perihelion (ω)323.53346746° ± 6.00e+00
Mean Anomaly (M)70.73335682° ± 1.40e-06
Mean Motion (n)0.3584479262°/day ± 8.22e-01
Perihelion dist (q)0.95564876 AU ± 4.19e+00
Aphelion dist (Q)2.96978330 AU ± 6.00e+00
Orbital Period2.74970564 yr ± 6.30e+00
NGA Modelr2
A2-7.70788223e-06 AU/d²
Physical Parameters
H (abs. magnitude)20.13
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-28
RMS Residual0.296″
Uncertainty0
Orbit TypeApollo
MOID0.002322 AU
Observations Used554
Oppositions14
Arc Total2003-2025
First Observation Used2003-01-26
Last Observation Used2025-08-28
Observations (607)
Date Type RA Dec Mag Band Observatory
2025-08-24 08:29:41 C 20 07 51.553 -10 59 42.58 X F52
2025-08-24 08:46:20 C 20 07 51.608 -10 59 45.68 X F52
2025-08-24 09:03:01 C 20 07 51.645 -10 59 49.14 X F52
2025-08-28 07:26:03 C 20 08 46.662 -11 17 03.36 X F52
2025-08-28 07:44:36 C 20 08 46.818 -11 17 06.66 X F52
2025-08-28 08:03:06 C 20 08 46.987 -11 17 09.75 X F52
2025-08-28 08:21:41 C 20 08 47.150 -11 17 12.85 X F52