2003 MK4

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1813057567 ± 5.55e-08
Semi-major axis (a)1.0805901840 AU ± 7.57e-09
Inclination (i)22.31653728° ± 1.32e-05
Long. of Asc. Node (Ω)282.57570185° ± 3.68e-06
Arg. of Perihelion (ω)109.70459012° ± 1.06e-05
Mean Anomaly (M)249.44949306° ± 1.57e-05
Mean Motion (n)0.8774467081°/day ± 9.21e-09
Perihelion dist (q)0.88467296 AU ± 6.03e-08
Aphelion dist (Q)1.27650740 AU ± 6.07e-08
Orbital Period1.12328905 yr ± 1.18e-08
NGA Modelr2
A2-7.94189475e-14 ± 1.32e-14 AU/d²
Physical Parameters
H (abs. magnitude)20.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.451″
Uncertainty0
Orbit TypeApollo
MOID0.001037 AU
Observations Used271
Oppositions2
Arc Total2003-2023
First Observation Used2003-06-27
Last Observation Used2023-01-28
Observations (281)
Date Type RA Dec Mag Band Observatory
2003-07-01 12:25:42 C 21 28 43.01 -12 18 00.0 18.0 c 608
2003-07-01 22:42:36 C 21 27 40.99 -11 02 07.4 c 587
2003-07-01 22:44:11 C 21 27 40.80 -11 01 57.8 c 587
2003-07-01 22:45:55 C 21 27 40.64 -11 01 44.1 c 587
2003-07-01 22:47:30 C 21 27 40.53 -11 01 31.3 c 587
2003-07-02 18:09:08 C 21 25 29.917 -08 30 24.58 o 413
2003-07-02 18:11:02 C 21 25 29.670 -08 30 09.37 o 413
2003-07-02 18:12:57 C 21 25 29.416 -08 29 54.15 o 413
2003-07-02 18:14:52 C 21 25 29.165 -08 29 38.96 o 413
2003-07-02 18:16:46 C 21 25 28.919 -08 29 23.58 o 413
2003-07-03 07:40:40 C 21 23 59.63 -06 42 26.2 c 649
2003-07-03 07:43:04 C 21 23 59.30 -06 42 06.4 c 649
2003-07-03 07:45:27 C 21 23 58.97 -06 41 46.7 c 649
2003-07-03 09:00:00 C 21 23 49.03 -06 31 33.6 d 734
2003-07-03 09:03:19 C 21 23 48.56 -06 31 04.6 d 734
2003-07-03 09:18:44 C 21 23 48.10 -06 28 53.3 c 671
2003-07-03 09:20:28 C 21 23 47.82 -06 28 39.1 c 671
2003-07-03 09:23:55 C 21 23 47.28 -06 28 08.9 c 671
2003-07-03 09:25:37 C 21 23 47.07 -06 27 55.3 c 671
2003-07-03 09:27:20 C 21 23 46.94 -06 27 41.8 c 671
2003-07-03 16:53:21 C 21 22 52.121 -05 24 12.45 o 413
2003-07-03 16:55:20 C 21 22 51.844 -05 23 55.68 o 413
2003-07-03 16:57:21 C 21 22 51.557 -05 23 38.72 o 413
2003-07-03 17:01:21 C 21 22 51.004 -05 23 04.95 o 413
2003-07-03 23:02:15 C 21 22 10.47 -04 33 25.6 c 176
2003-07-03 23:03:25 C 21 22 10.30 -04 33 15.7 c 176
2003-07-03 23:04:55 C 21 22 10.08 -04 33 03.3 c 176
2003-07-03 23:06:05 C 21 22 09.93 -04 32 53.0 c 176
2003-07-03 23:07:24 C 21 22 09.73 -04 32 42.0 c 176
2003-07-04 05:54:55 C 21 21 18.76 -03 34 02.6 c 649
2003-07-04 05:56:40 C 21 21 18.50 -03 33 47.6 c 649
2003-07-04 05:58:24 C 21 21 18.26 -03 33 32.1 c 649
2003-07-04 08:40:22 C 21 20 56.89 -03 09 53.8 c 670
2003-07-04 09:07:25 C 21 20 52.96 -03 05 56.8 c 670
2003-07-04 10:40:02 C 21 20 39.37 -02 52 24.3 c 670
2003-07-04 23:47:43 C 21 18 59.68 -00 55 12.1 J87
2003-07-04 23:50:19 C 21 18 59.12 -00 54 49.4 J87
2003-07-04 23:52:49 C 21 18 58.90 -00 54 26.5 J87
2003-07-04 23:56:35 C 21 18 58.17 -00 53 50.1 J87
2003-07-06 05:56:30 C 21 14 46.80 +03 46 33.8 c 649
2003-07-06 05:59:07 C 21 14 46.44 +03 46 58.1 c 649
2003-07-06 06:01:41 C 21 14 46.01 +03 47 23.4 c 649
2003-07-06 20:41:43 C 21 12 35.59 +06 09 50.7 c 587
2003-07-06 20:44:47 C 21 12 35.13 +06 10 19.4 c 587
2003-07-06 21:45:31 C 21 12 25.29 +06 20 20.6 d 151
2003-07-06 21:46:46 C 21 12 25.13 +06 20 32.0 d 151
2003-07-06 21:47:12 C 21 12 24.99 +06 20 36.0 d 151
2003-07-06 21:48:38 C 21 12 24.74 +06 20 51.1 d 151
2003-07-06 21:51:35 C 21 12 24.33 +06 21 19.2 d 151
2003-07-06 21:52:01 C 21 12 24.22 +06 21 23.5 d 151