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
2003-06-27 08:50:08 C 21 37 10.60 -22 43 53.8 17.8 c 704
2003-06-27 09:04:39 C 21 37 09.41 -22 42 37.8 18.0 c 704
2003-06-27 09:19:17 C 21 37 08.15 -22 41 19.6 18.5 c 704
2003-06-27 09:48:14 C 21 37 05.71 -22 38 45.9 18.8 c 704
2003-06-27 17:37:40 C 21 36 31.23 -21 55 18.8 e 428
2003-06-27 17:40:45 C 21 36 30.97 -21 55 01.4 e 428
2003-06-27 17:43:43 C 21 36 30.72 -21 54 44.7 e 428
2003-06-27 23:06:25 C 21 36 09.55 -21 25 59.9 d A50
2003-06-27 23:07:55 C 21 36 09.45 -21 25 49.5 d A50
2003-06-27 23:09:15 C 21 36 09.35 -21 25 46.6 d A50
2003-06-27 23:11:02 C 21 36 09.22 -21 25 34.3 d A50
2003-06-27 23:12:22 C 21 36 09.04 -21 25 27.4 d A50
2003-06-27 23:13:43 C 21 36 09.05 -21 25 20.0 d A50
2003-06-27 23:15:02 C 21 36 08.96 -21 25 14.8 d A50
2003-06-28 01:34:20 C 21 35 58.37 -21 12 12.1 o J95
2003-06-28 01:44:19 C 21 35 57.56 -21 11 16.0 o J95
2003-06-28 08:11:48 C 21 35 29.22 -20 34 18.0 18.6 c 704
2003-06-28 08:20:50 C 21 35 28.39 -20 33 26.5 18.5 c 704
2003-06-28 08:25:56 C 21 35 27.93 -20 32 57.2 18.7 c 704
2003-06-28 08:35:12 C 21 35 27.10 -20 32 04.6 18.6 c 704
2003-06-28 08:40:02 C 21 35 26.62 -20 31 37.0 18.4 c 704
2003-06-28 08:49:35 C 21 35 25.80 -20 30 42.2 19.0 c 704
2003-06-28 08:54:10 C 21 35 25.36 -20 30 15.0 18.6 c 704
2003-06-28 09:04:00 C 21 35 24.50 -20 29 18.9 19.3 c 704
2003-06-28 09:08:18 C 21 35 24.05 -20 28 54.5 19.0 c 704
2003-06-28 09:18:38 C 21 35 23.03 -20 27 54.6 18.6 c 704
2003-06-28 09:30:37 C 21 35 22.31 -20 26 44.0 c 926
2003-06-28 09:31:34 C 21 35 22.21 -20 26 38.3 c 926
2003-06-28 09:32:31 C 21 35 21.96 -20 26 32.6 c 926
2003-06-28 16:40:06 C 21 34 48.07 -19 43 51.9 428
2003-06-28 17:15:19 C 21 34 44.68 -19 40 23.2 428
2003-06-29 08:49:27 C 21 33 30.18 -18 06 47.1 17.7 c 704
2003-06-29 09:18:36 C 21 33 27.24 -18 03 46.1 17.1 c 704
2003-06-29 09:33:05 C 21 33 25.78 -18 02 17.2 17.5 c 704
2003-06-29 09:47:32 C 21 33 24.34 -18 00 46.6 17.9 c 704
2003-06-30 00:23:50 C 21 32 09.10 -16 27 32.2 d 118
2003-06-30 00:28:49 C 21 32 08.58 -16 26 59.3 d 118
2003-06-30 00:33:01 C 21 32 08.16 -16 26 31.7 d 118
2003-06-30 00:33:14 C 21 32 08.31 -16 26 29.8 c 046
2003-06-30 00:37:39 C 21 32 07.84 -16 26 02.0 c 046
2003-06-30 00:38:27 C 21 32 07.72 -16 25 56.9 c 046
2003-06-30 00:39:10 C 21 32 07.64 -16 25 52.0 c 046
2003-06-30 00:54:26 C 21 32 06.11 -16 24 12.8 c 246
2003-06-30 00:54:57 C 21 32 06.07 -16 24 08.3 c 246
2003-06-30 00:55:39 C 21 32 06.01 -16 24 05.1 c 246
2003-06-30 00:56:26 C 21 32 05.94 -16 24 00.0 c 246
2003-06-30 00:57:12 C 21 32 05.87 -16 23 55.2 c 246
2003-06-30 00:57:48 C 21 32 05.78 -16 23 50.7 c 246
2003-07-01 11:54:45 C 21 28 46.75 -12 21 45.2 18.0 c 608
2003-07-01 12:10:09 C 21 28 44.88 -12 19 53.3 17.9 c 608