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
2003-07-11 23:02:07 C 20 50 14.48 +27 04 02.3 d A50
2003-07-11 23:05:28 C 20 50 13.70 +27 04 36.1 d A50
2003-07-12 21:20:22 C 20 45 23.25 +30 47 30.3 d 941
2003-07-12 21:20:52 C 20 45 23.10 +30 47 35.7 d 941
2003-07-12 21:21:23 C 20 45 22.99 +30 47 40.9 d 941
2003-07-12 21:21:58 C 20 45 22.85 +30 47 46.8 d 941
2003-07-12 21:23:03 C 20 45 22.51 +30 47 58.0 d 941
2003-07-12 21:40:03 C 20 45 16.06 +30 50 46.3 d A50
2003-07-12 21:41:06 C 20 45 15.77 +30 50 56.4 d A50
2003-07-12 21:43:05 C 20 45 15.30 +30 51 15.1 d A50
2003-07-12 21:44:09 C 20 45 15.03 +30 51 26.9 d A50
2003-07-12 21:47:40 C 20 45 14.17 +30 52 01.2 d A50
2003-07-12 21:48:14 C 20 45 14.10 +30 52 06.1 d A50
2003-07-12 21:48:48 C 20 45 13.89 +30 52 11.9 d A50
2003-07-12 21:49:54 C 20 45 13.64 +30 52 22.5 d A50
2003-07-12 22:46:13 C 20 45 01.77 +31 01 32.0 o J95
2003-07-12 22:53:16 C 20 45 00.08 +31 02 42.0 o J95
2003-07-12 22:59:46 C 20 44 58.48 +31 03 46.8 o J95
2003-07-13 08:55:59 C 20 42 37.36 +32 41 30.6 c 448
2003-07-13 09:02:13 C 20 42 35.75 +32 42 31.0 c 448
2003-07-13 09:08:41 C 20 42 34.09 +32 43 33.4 c 448
2003-07-14 03:16:57 C 20 38 19.21 +35 36 08.8 c 649
2003-07-14 03:20:03 C 20 38 18.40 +35 36 37.9 c 649
2003-07-14 03:23:09 C 20 38 17.60 +35 37 07.7 c 649
2003-07-15 00:42:36 C 20 32 49.21 +38 52 48.5 d 118
2003-07-15 00:44:36 C 20 32 48.63 +38 53 06.4 d 118
2003-07-15 00:46:33 C 20 32 48.07 +38 53 23.9 d 118
2003-07-15 00:47:37 C 20 32 47.74 +38 53 33.3 d 118
2003-07-16 00:38:57 C 20 26 25.83 +42 21 01.2 d 118
2003-07-16 00:42:14 C 20 26 24.87 +42 21 28.8 d 118
2003-07-16 00:48:29 C 20 26 23.04 +42 22 22.2 d 118
2003-07-17 21:37:20 C 20 13 27.27 +48 16 54.1 c 587
2003-07-17 21:39:55 C 20 13 26.40 +48 17 13.7 c 587
2003-07-18 22:00:29 C 20 05 47.08 +51 10 06.0 c 176
2003-07-18 22:05:50 C 20 05 45.27 +51 10 43.1 c 176
2003-07-18 22:09:20 C 20 05 44.07 +51 11 07.3 c 176
2003-07-18 22:11:00 C 20 05 43.51 +51 11 18.9 c 176
2003-07-19 00:41:15 C 20 04 51.34 +51 28 07.5 o J95
2003-07-19 00:48:08 C 20 04 48.96 +51 28 53.8 o J95
2003-07-19 00:54:07 C 20 04 46.84 +51 29 33.6 o J95
2003-07-19 09:12:08 C 20 02 00.55 +52 25 02.8 c 448
2003-07-19 09:19:35 C 20 01 57.86 +52 25 50.9 c 448
2003-07-19 09:22:26 C 20 01 56.85 +52 26 08.6 c 448
2003-07-19 23:03:48 C 19 57 23.84 +53 53 22.1 c 046
2003-07-19 23:05:02 C 19 57 23.40 +53 53 29.2 c 046
2003-07-19 23:06:01 C 19 57 23.04 +53 53 36.1 c 046
2003-07-19 23:06:43 C 19 57 22.79 +53 53 39.7 c 046
2003-07-25 23:03:51 C 19 00 30.71 +65 18 26.6 o J95
2003-07-25 23:12:02 C 19 00 26.87 +65 18 54.9 o J95
2003-07-25 23:18:37 C 19 00 23.69 +65 19 17.2 o J95