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
2003-01-26 12:19:15 C 09 29 18.08 +05 21 14.4 c 644
2003-01-26 12:36:05 C 09 29 17.38 +05 21 08.3 c 644
2003-01-26 12:51:45 C 09 29 16.81 +05 21 02.9 c 644
2003-02-09 08:25:58 C 09 12 01.27 +03 28 51.2 19.9 c 608
2003-02-09 08:41:12 C 09 12 00.15 +03 28 46.3 19.9 c 608
2003-02-09 08:56:21 C 09 11 59.01 +03 28 41.3 19.7 c 608
2003-06-26 09:07:11 C 22 10 37.91 -03 06 11.3 19.2 c 704
2003-06-26 09:22:08 C 22 10 36.64 -03 06 10.2 19.2 c 704
2003-06-26 09:50:43 C 22 10 34.19 -03 06 07.1 19.2 c 704
2003-06-27 08:12:06 C 22 08 51.68 -03 04 13.6 c 926
2003-06-27 08:16:29 C 22 08 51.36 -03 04 13.6 c 926
2003-06-27 08:20:36 C 22 08 50.97 -03 04 11.8 c 926
2003-06-27 08:46:10 C 22 08 48.70 -03 04 12.2 18.9 c 704
2003-06-27 09:14:12 C 22 08 46.43 -03 04 11.0 o 699
2003-06-27 09:14:35 C 22 08 46.23 -03 04 09.6 19.6 c 704
2003-06-27 09:28:46 C 22 08 45.15 -03 04 09.9 19.1 c 704
2003-06-27 09:32:13 C 22 08 44.92 -03 04 08.3 o 699
2003-06-27 09:42:59 C 22 08 43.89 -03 04 07.8 19.4 c 704
2003-06-27 09:50:21 C 22 08 43.38 -03 04 08.0 o 699
2003-06-27 10:08:31 C 22 08 41.79 -03 04 07.3 o 699
2003-06-28 00:06:41 C 22 07 37.02 -03 03 18.2 c 046
2003-06-28 00:10:52 C 22 07 36.76 -03 03 17.2 c 046
2003-06-28 00:13:54 C 22 07 36.53 -03 03 16.6 c 046
2003-06-28 00:15:54 C 22 07 36.34 -03 03 16.8 c 046
2003-06-28 00:17:32 C 22 07 35.91 -03 03 15.6 c 046
2003-06-28 00:20:57 C 22 07 35.86 -03 03 14.8 c 046
2003-06-28 00:22:38 C 22 07 35.72 -03 03 14.9 c 046
2003-06-28 08:11:23 C 22 06 59.39 -03 02 43.8 o 704
2003-06-28 08:20:21 C 22 06 58.66 -03 02 44.5 18.7 c 704
2003-06-28 08:34:42 C 22 06 57.45 -03 02 42.5 19.0 c 704
2003-06-28 08:39:37 C 22 06 56.97 -03 02 43.5 o 704
2003-06-28 08:49:05 C 22 06 56.16 -03 02 42.4 19.2 c 704
2003-06-28 08:53:45 C 22 06 55.80 -03 02 39.6 o 704
2003-06-28 09:03:30 C 22 06 54.96 -03 02 42.0 19.6 c 704
2003-06-28 09:07:54 C 22 06 54.46 -03 02 41.9 o 704
2003-06-28 09:18:09 C 22 06 53.70 -03 02 41.8 19.1 c 704
2003-06-28 09:19:29 C 22 06 53.73 -03 02 40.0 c 926
2003-06-28 09:28:36 C 22 06 52.92 -03 02 39.5 c 926
2003-06-29 08:59:22 C 22 05 01.76 -03 01 44.5 o 704
2003-06-29 09:02:33 C 22 05 01.41 -03 01 43.9 19.0 c 704
2003-06-29 09:13:29 C 22 05 00.46 -03 01 44.2 o 704
2003-06-29 09:27:36 C 22 04 59.28 -03 01 45.1 o 704
2003-06-29 09:30:48 C 22 04 58.97 -03 01 44.1 19.4 c 704
2003-06-29 09:41:44 C 22 04 58.06 -03 01 43.4 o 704
2003-06-29 09:44:55 C 22 04 57.72 -03 01 43.6 19.6 c 704
2003-06-30 01:04:48 C 22 03 44.63 -03 01 29.9 c 246
2003-06-30 01:06:15 C 22 03 44.53 -03 01 29.5 c 246
2003-06-30 01:07:20 C 22 03 44.39 -03 01 28.8 c 246
2003-06-30 01:08:23 C 22 03 44.35 -03 01 29.3 c 246
2003-06-30 01:09:19 C 22 03 44.24 -03 01 29.9 c 246