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
2003-06-30 01:10:13 C 22 03 44.17 -03 01 29.3 c 246
2003-07-01 08:50:31 C 22 01 11.62 -03 01 22.8 18.7 c 704
2003-07-01 09:05:31 C 22 01 10.31 -03 01 22.4 19.0 c 704
2003-07-01 09:20:03 C 22 01 09.07 -03 01 22.7 19.3 c 704
2003-07-01 23:29:04 C 22 00 00.61 -03 01 46.8 c 587
2003-07-02 18:28:37 C 21 58 25.770 -03 01 45.42 o 413
2003-07-02 18:31:35 C 21 58 25.504 -03 01 45.49 o 413
2003-07-02 18:34:36 C 21 58 25.239 -03 01 45.63 o 413
2003-07-03 08:30:16 C 21 57 17.71 -03 03 03.2 d 734
2003-07-03 08:45:33 C 21 57 16.28 -03 03 04.2 d 734
2003-07-03 17:03:40 C 21 56 34.812 -03 02 56.75 o 413
2003-07-03 17:06:20 C 21 56 34.571 -03 02 56.96 o 413
2003-07-03 17:09:00 C 21 56 34.325 -03 02 57.20 o 413
2003-07-03 17:11:40 C 21 56 34.086 -03 02 57.14 o 413
2003-07-03 23:24:12 C 21 56 04.56 -03 03 57.9 c 176
2003-07-03 23:27:40 C 21 56 04.25 -03 03 58.1 c 176
2003-07-03 23:31:03 C 21 56 03.95 -03 03 58.4 c 176
2003-07-03 23:33:59 C 21 56 03.68 -03 03 58.0 c 176
2003-07-03 23:36:49 C 21 56 03.44 -03 03 58.4 c 176
2003-07-06 21:55:23 C 21 50 10.49 -03 10 44.0 c 587
2003-07-06 22:00:01 C 21 50 10.07 -03 10 45.2 c 587
2003-07-06 22:16:01 C 21 50 08.69 -03 10 47.4 c 587
2003-07-07 08:47:07 C 21 49 14.94 -03 12 03.1 c 671
2003-07-07 09:20:57 C 21 49 11.79 -03 12 07.7 c 671
2003-07-07 09:26:08 C 21 49 11.30 -03 12 08.0 c 671
2003-07-09 08:40:45 C 21 45 10.88 -03 19 10.2 19.0 c 644
2003-07-09 08:42:49 C 21 45 10.69 -03 19 10.1 19.1 c 644
2003-07-09 09:17:17 C 21 45 07.51 -03 19 16.3 19.0 c 644
2003-07-09 09:21:22 C 21 45 07.14 -03 19 16.9 19.3 c 644
2003-07-09 09:53:52 C 21 45 04.15 -03 19 22.4 19.1 c 644
2003-07-09 09:55:54 C 21 45 03.95 -03 19 22.8 19.2 c 644
2003-07-10 01:09:15 C 21 43 47.01 -03 21 57.90 c 950
2003-07-10 01:11:17 C 21 43 46.81 -03 21 58.14 c 950
2003-07-10 01:12:25 C 21 43 46.07 -03 22 06.9 o J95
2003-07-10 01:13:18 C 21 43 46.62 -03 21 58.55 c 950
2003-07-10 01:19:31 C 21 43 45.48 -03 22 08.1 o J95
2003-07-10 01:27:00 C 21 43 44.80 -03 22 09.5 o J95
2003-07-13 00:57:05 C 21 37 38.63 -03 36 30.6 o J95
2003-07-13 01:10:44 C 21 37 37.41 -03 36 33.1 o J95
2003-07-13 07:12:23 C 21 37 07.10 -03 37 46.5 c 715
2003-07-13 07:19:54 C 21 37 06.45 -03 37 48.6 c 715
2003-07-13 07:27:25 C 21 37 05.68 -03 37 51.4 c 715
2003-07-17 20:54:30 C 21 27 50.18 -04 05 59.7 c 587
2003-07-17 21:03:46 C 21 27 49.37 -04 06 04.8 c 587
2003-07-18 14:00:40 C 21 26 24.16 -04 10 26.4 o 413
2003-07-18 14:03:40 C 21 26 23.87 -04 10 27.5 o 413
2003-07-18 14:06:39 C 21 26 23.59 -04 10 28.1 o 413
2003-07-18 14:10:39 C 21 26 23.26 -04 10 29.4 o 413
2003-07-20 00:01:01 C 21 23 34.74 -04 21 10.6 c 046
2003-07-20 00:13:22 C 21 23 33.66 -04 21 14.5 c 046