2003 MS2

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1263249060 ± 1.81e-08
Semi-major axis (a)1.0421969587 AU ± 9.72e-09
Inclination (i)20.02589187° ± 7.64e-06
Long. of Asc. Node (Ω)100.82327033° ± 1.88e-06
Arg. of Perihelion (ω)254.49852489° ± 5.78e-06
Mean Anomaly (M)317.67022246° ± 2.08e-05
Mean Motion (n)0.9263765947°/day ± 1.30e-08
Perihelion dist (q)0.91054153 AU ± 2.07e-08
Aphelion dist (Q)1.17385239 AU ± 2.18e-08
Orbital Period1.06395853 yr ± 1.49e-08
NGA Modelr2
A2-5.27486125e-14 ± 1.69e-14 AU/d²
Physical Parameters
H (abs. magnitude)21.21
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.473″
Uncertainty0
Orbit TypeApollo
MOID0.024592 AU
Observations Used235
Radar Obs Used7
Oppositions1
Arc Total2003-2022
First Observation Used2003-03-07
Last Observation Used2022-01-22
Observations (275)
Date Type RA Dec Mag Band Observatory
2020-06-08 07:56:14 C 15 35 40.52 +57 16 04.6 V G96
2020-06-09 02:41:13 S 15 30 57.864 +56 59 24.14 L C51
2020-06-09 05:49:32 S 15 30 09.11 +56 56 31.9 L C51
2020-06-09 07:23:48 S 15 29 44.37 +56 55 03.2 L C51
2020-06-09 08:57:52 S 15 29 19.855 +56 53 35.34 L C51
2020-06-09 10:31:55 S 15 28 55.25 +56 52 06.4 L C51
2020-06-09 12:06:11 S 15 28 30.48 +56 50 37.5 L C51
2020-06-09 12:49:27 C 15 28 11.549 +56 50 16.26 U F51
2020-06-09 13:02:38 C 15 28 07.941 +56 50 01.57 U F51
2020-06-09 13:15:49 C 15 28 04.318 +56 49 46.33 U F51
2020-06-09 13:29:02 C 15 28 00.732 +56 49 31.74 U F51
2020-06-09 13:40:15 S 15 28 05.73 +56 49 07.1 L C51
2020-06-09 15:14:30 S 15 27 41.093 +56 47 35.38 L C51
2020-06-09 18:22:49 S 15 26 51.247 +56 44 30.34 L C51
2020-06-09 21:31:08 S 15 26 01.325 +56 41 22.06 L C51
2020-06-10 00:39:27 S 15 25 11.184 +56 38 10.64 L C51
2020-06-10 02:13:31 S 15 24 45.794 +56 36 34.74 L C51
2020-06-10 05:21:50 S 15 23 55.450 +56 33 18.61 L C51
2020-06-10 07:33:11 C 15 23 15.10 +56 31 26.8 V 703
2020-06-10 07:40:58 C 15 23 12.99 +56 31 18.7 V 703
2020-06-10 07:48:44 C 15 23 10.53 +56 31 08.8 V 703
2020-06-10 07:56:31 C 15 23 08.38 +56 30 59.7 V 703
2020-06-11 11:13:58 C 15 15 38.366 +55 59 53.15 U F51
2020-06-11 11:50:13 C 15 15 27.621 +55 59 03.73 U F51
2020-06-11 12:05:14 C 15 15 23.181 +55 58 43.10 U F51
2020-06-12 04:59:43 C 15 10 40.53 +55 37 05.4 q H45
2020-06-12 05:01:49 C 15 10 39.82 +55 37 03.1 q H45
2020-06-12 05:03:45 C 15 10 39.24 +55 37 00.3 q H45
2020-06-12 05:05:42 C 15 10 38.69 +55 36 58.3 q H45
2020-06-12 05:07:40 C 15 10 38.16 +55 36 55.7 q H45
2020-06-12 05:09:43 C 15 10 37.32 +55 36 51.7 q H45
2020-06-13 04:09:44 C 15 03 59.42 +55 04 15.5 q H45
2020-06-13 04:12:54 C 15 03 58.25 +55 04 09.8 q H45
2020-06-13 04:14:48 C 15 03 57.59 +55 04 06.3 q H45
2020-06-13 04:16:59 C 15 03 57.10 +55 04 04.5 q H45
2020-06-13 04:18:55 C 15 03 56.54 +55 04 01.8 q H45
2020-06-14 04:51:50 C 14 56 38.78 +54 24 56.7 V 703
2020-06-14 04:59:35 C 14 56 36.21 +54 24 44.0 V 703
2020-06-14 05:07:20 C 14 56 33.68 +54 24 30.1 V 703
2020-06-14 05:15:05 C 14 56 31.25 +54 24 18.7 V 703
2020-06-17 03:24:18 C 14 34 32.10 +52 03 55.2 q H45
2020-06-17 03:26:30 C 14 34 31.34 +52 03 50.4 q H45
2020-06-17 03:28:21 C 14 34 30.65 +52 03 45.4 q H45
2020-06-17 03:30:19 C 14 34 30.04 +52 03 41.8 q H45
2020-06-17 03:32:16 C 14 34 29.36 +52 03 36.4 q H45
2020-06-17 03:34:11 C 14 34 28.60 +52 03 31.5 q H45
2020-06-18 03:53:25 C 14 26 28.62 +51 03 23.3 q H45
2020-06-18 03:55:38 C 14 26 27.87 +51 03 16.4 q H45
2020-06-18 03:57:41 C 14 26 27.20 +51 03 12.0 q H45
2020-06-18 04:00:40 C 14 26 26.10 +51 03 04.5 q H45
Radar Observations (7)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2003-06-28 10:20:00 439594.875 2 Hz 8560 -14 -14
2003-06-28 11:00:00 35820178.3 10 us 8560 -14 -14
2003-06-28 11:20:00 35758682.2 1 us 8560 -14 -14
2003-06-29 18:00:00 360967.515 1 Hz 8560 -14 -14
2003-07-04 18:10:00 -298290.238 2 Hz 8560 -14 -14
2003-07-04 18:50:00 29129907.1 10 us 8560 -14 -14
2003-07-04 22:40:00 29650252.875 1 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)