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
2023-01-08 12:37:50 C 00 39 29.47 +09 54 00.4 V D29
2023-01-08 12:38:36 C 00 39 29.96 +09 53 55.7 V D29
2023-01-10 04:00:21 C 01 03 26.363 +06 11 47.08 V 703
2023-01-10 04:15:42 C 01 03 35.284 +06 10 21.94 V 703
2023-01-10 04:23:21 C 01 03 39.690 +06 09 37.48 V 703
2023-01-10 05:26:23 C 01 04 16.54 +06 03 42.1 V 691
2023-01-10 05:43:11 C 01 04 26.36 +06 02 07.0 V 691
2023-01-14 02:18:25 C 01 55 31.264 -02 09 21.17 V G96
2023-01-14 02:26:37 C 01 55 35.252 -02 10 00.91 V G96
2023-01-14 02:34:49 C 01 55 39.234 -02 10 40.73 V G96
2023-01-14 02:43:02 C 01 55 43.237 -02 11 20.65 V G96
2023-01-19 01:17:45 C 02 48 13.606 -10 17 17.45 V W68
2023-01-19 01:22:18 C 02 48 15.276 -10 17 33.18 V W68
2023-01-19 01:31:23 C 02 48 18.624 -10 18 03.60 V W68
2023-01-19 02:03:25 C 02 48 30.456 -10 19 50.66 V W68
2023-01-23 19:09:53 C 03 26 28.169 -15 29 23.64 V M22
2023-01-23 19:14:25 C 03 26 29.330 -15 29 33.83 V M22
2023-01-23 19:28:42 C 03 26 33.374 -15 30 05.40 V M22
2023-01-23 19:36:37 C 03 26 35.558 -15 30 22.61 V M22
2023-01-26 01:39:43 C 03 41 27.204 -17 17 11.11 V W68
2023-01-26 01:44:21 C 03 41 28.313 -17 17 19.10 V W68
2023-01-26 02:02:14 C 03 41 32.758 -17 17 50.14 V W68
2023-01-26 02:10:43 C 03 41 34.817 -17 18 05.26 V W68
2023-01-26 19:14:02 C 03 45 54.850 -17 47 23.10 V M22
2023-01-26 19:18:35 C 03 45 55.930 -17 47 29.80 V M22
2023-01-26 19:26:28 C 03 45 57.787 -17 47 41.89 V M22
2023-01-26 19:46:02 C 03 46 02.436 -17 48 14.58 V M22
2023-01-28 02:58:59 C 03 53 33.932 -18 37 47.24 V G96
2023-01-28 03:06:21 C 03 53 35.570 -18 37 57.94 V G96
2023-01-28 03:13:43 C 03 53 37.194 -18 38 08.99 V G96
2023-01-28 03:21:06 C 03 53 38.825 -18 38 19.54 V G96