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
2022-01-14 10:36:07 S 02 39 30.780 +21 51 00.14 L C51
2022-01-14 13:44:26 S 02 39 45.732 +22 04 16.28 L C51
2022-01-14 20:00:42 S 02 40 15.686 +22 30 32.29 L C51
2022-01-14 20:05:23 C 02 40 15.73 +22 30 38.2 X C95
2022-01-14 20:57:56 C 02 40 19.41 +22 34 15.6 X C95
2022-01-14 23:09:01 S 02 40 30.775 +22 43 35.00 L C51
2022-01-15 02:17:09 S 02 40 45.854 +22 56 31.60 L C51
2022-01-15 05:25:17 S 02 41 00.826 +23 09 24.12 L C51
2022-01-15 07:33:32 C 02 41 10.190 +23 18 08.90 U F52
2022-01-15 07:52:52 C 02 41 11.540 +23 19 26.79 U F52
2022-01-15 08:12:17 C 02 41 12.905 +23 20 45.12 U F52
2022-01-15 08:33:36 S 02 41 16.039 +23 22 10.85 L C51
2022-01-15 11:41:44 S 02 41 31.217 +23 34 54.26 L C51
2022-01-15 14:49:53 S 02 41 46.440 +23 47 33.14 L C51
2022-01-15 17:58:12 S 02 42 01.738 +24 00 05.80 L C51
2022-01-15 21:06:20 S 02 42 16.879 +24 12 35.68 L C51
2022-01-17 18:29:00 C 02 46 01.83 +27 05 01.5 X B88
2022-01-17 19:13:59 C 02 46 05.20 +27 07 45.4 X B88
2022-01-17 20:04:04 C 02 46 09.01 +27 10 46.4 X B88
2022-01-18 18:59:34 C 02 48 05.70 +28 32 11.8 X B88
2022-01-18 19:37:06 C 02 48 08.57 +28 34 20.9 X B88
2022-01-18 20:14:32 C 02 48 11.42 +28 36 30.8 X B88
2022-01-22 03:21:03 C 02 55 07.46 +32 50 50.2 V 703
2022-01-22 03:36:18 C 02 55 08.68 +32 51 34.1 V 703
2022-01-22 03:43:55 C 02 55 09.27 +32 51 56.2 V 703
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)