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
2003-07-20 00:14:55 C 21 23 33.53 -04 21 14.7 c 046
2003-07-22 15:15:03 C 21 18 26.59 -04 40 47.3 o 413
2003-07-22 15:18:04 C 21 18 26.32 -04 40 48.4 o 413
2003-07-22 15:21:03 C 21 18 26.06 -04 40 49.6 o 413
2003-07-22 22:09:54 C 21 17 54.14 -04 43 33.5 c 599
2003-07-22 22:26:04 C 21 17 52.72 -04 43 38.4 c 599
2003-07-22 22:42:36 C 21 17 51.35 -04 43 44.7 c 599
2003-07-22 22:58:50 C 21 17 50.01 -04 43 49.9 c 599
2003-07-24 09:03:29 C 21 15 08.27 -04 55 15.6 19.1 c 644
2003-07-24 09:34:06 C 21 15 05.71 -04 55 25.9 19.2 c 644
2003-07-24 10:05:01 C 21 15 03.12 -04 55 36.4 19.2 c 644
2003-07-24 22:24:29 C 21 14 06.92 -04 59 52.5 c 176
2003-07-24 22:28:06 C 21 14 06.62 -04 59 53.4 c 176
2003-07-24 22:31:43 C 21 14 06.30 -04 59 54.4 c 176
2003-07-24 22:35:19 C 21 14 05.99 -04 59 55.4 c 176
2003-07-24 22:39:00 C 21 14 05.68 -04 59 57.1 c 176
2003-07-25 23:31:01 C 21 12 11.10 -05 08 36.9 d 941
2003-07-25 23:32:40 C 21 12 10.94 -05 08 37.5 d 941
2003-07-25 23:34:18 C 21 12 10.79 -05 08 38.0 d 941
2003-07-25 23:35:57 C 21 12 10.66 -05 08 38.7 d 941
2003-07-25 23:37:35 C 21 12 10.54 -05 08 39.2 d 941
2003-07-27 21:37:10 C 21 08 44.43 -05 25 01.6 d A50
2003-07-27 21:39:14 C 21 08 44.31 -05 25 01.9 d A50
2003-07-27 21:41:17 C 21 08 44.04 -05 25 04.1 d A50
2003-07-27 21:43:20 C 21 08 43.87 -05 25 04.5 d A50
2003-07-27 21:45:25 C 21 08 43.68 -05 25 05.2 d A50
2003-07-27 21:47:27 C 21 08 43.47 -05 25 06.5 d A50
2003-07-28 13:19:42 C 21 07 34.64 -05 30 33.8 20.4 c 608
2003-07-28 13:35:30 C 21 07 33.43 -05 30 39.7 20.2 c 608
2003-07-28 13:50:56 C 21 07 32.17 -05 30 42.7 19.7 c 608
2003-07-30 23:32:42 C 21 03 30.06 -05 51 54.8 d 170
2003-07-30 23:34:23 C 21 03 29.96 -05 51 55.3 d 170
2003-07-30 23:41:08 C 21 03 29.40 -05 51 59.4 d 170
2003-08-01 20:40:54 C 21 00 29.94 -06 08 34.3 d A50
2003-08-01 20:41:58 C 21 00 29.85 -06 08 34.2 d A50
2003-08-01 20:43:01 C 21 00 29.80 -06 08 35.3 d A50
2003-08-01 20:44:04 C 21 00 29.72 -06 08 35.4 d A50
2003-08-01 20:45:08 C 21 00 29.58 -06 08 37.1 d A50
2003-08-05 00:19:16 C 20 55 48.79 -06 36 25.0 d 170
2003-08-05 00:24:08 C 20 55 48.45 -06 36 27.0 d 170
2003-09-16 03:08:19 C 20 38 26.49 -10 51 52.6 d 291
2003-09-16 03:14:07 C 20 38 26.65 -10 51 53.3 d 291
2003-09-16 03:21:47 C 20 38 26.72 -10 51 54.5 d 291
2003-09-16 03:30:19 C 20 38 26.85 -10 51 55.7 d 291
2003-09-16 03:36:38 C 20 38 26.93 -10 51 56.3 d 291
2003-09-16 03:42:29 C 20 38 27.01 -10 51 57.7 d 291
2006-10-25 08:12:42 C 23 24 44.808 +02 19 40.24 o 568
2006-10-25 08:18:00 C 23 24 44.699 +02 19 38.90 o 568
2006-10-25 08:23:23 C 23 24 44.586 +02 19 37.57 o 568
2006-10-25 08:28:45 C 23 24 44.471 +02 19 36.37 o 568