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
2003-03-07 11:18:11 C 16 46 29.285 +30 18 34.31 645
2003-03-07 11:22:58 C 16 46 29.707 +30 18 38.12 645
2003-06-25 05:18:25 C 16 21 05.74 +74 05 58.4 o 699
2003-06-25 05:45:51 C 16 20 17.99 +74 08 18.6 o 699
2003-06-25 06:13:29 C 16 19 29.37 +74 10 36.8 o 699
2003-06-25 06:41:15 C 16 18 40.17 +74 12 54.6 o 699
2003-06-25 08:09:49 C 16 16 02.13 +74 20 00.4 o 699
2003-06-25 08:12:33 C 16 15 57.32 +74 20 12.8 o 699
2003-06-25 08:15:19 C 16 15 51.97 +74 20 26.8 o 699
2003-06-25 08:18:05 C 16 15 47.13 +74 20 39.6 o 699
2003-06-25 21:39:24 C 15 50 21.08 +75 27 38.2 d 118
2003-06-25 21:40:52 C 15 50 17.63 +75 27 45.2 d 118
2003-06-25 21:42:04 C 15 50 16.38 +75 27 51.0 c 046
2003-06-25 21:42:45 C 15 50 15.52 +75 27 53.4 c 046
2003-06-25 21:43:06 C 15 50 12.12 +75 27 55.7 d 118
2003-06-25 21:43:24 C 15 50 13.40 +75 27 57.7 c 046
2003-06-25 21:44:02 C 15 50 12.32 +75 28 00.8 c 046
2003-06-25 21:45:02 C 15 50 08.39 +75 28 04.3 d 118
2003-06-25 21:45:39 C 15 50 08.23 +75 28 08.5 c 046
2003-06-25 21:46:20 C 15 50 06.91 +75 28 10.8 c 046
2003-06-25 21:48:29 C 15 49 59.95 +75 28 21.4 d 118
2003-06-25 22:16:26 C 15 48 56.18 +75 30 28.9 d 557
2003-06-25 22:17:05 C 15 48 54.71 +75 30 31.7 d 557
2003-06-25 22:17:45 C 15 48 53.06 +75 30 34.6 d 557
2003-06-25 22:18:26 C 15 48 51.49 +75 30 37.7 d 557
2003-06-25 22:19:05 C 15 48 49.92 +75 30 40.9 d 557
2003-06-25 22:19:47 C 15 48 48.34 +75 30 44.1 d 557
2003-06-25 22:20:28 C 15 48 46.94 +75 30 46.9 d 557
2003-06-25 22:21:07 C 15 48 45.22 +75 30 50.4 d 557
2003-06-25 22:21:48 C 15 48 43.54 +75 30 53.3 d 557
2003-06-25 22:22:28 C 15 48 42.03 +75 30 56.7 d 557
2003-06-26 04:26:44 C 15 34 43.83 +76 00 35.5 c 673
2003-06-26 04:41:17 C 15 33 59.35 +76 01 52.3 c 926
2003-06-26 04:41:51 C 15 33 57.73 +76 01 54.3 c 926
2003-06-26 04:42:29 C 15 33 56.19 +76 01 57.3 c 926
2003-06-26 04:42:55 C 15 34 00.04 +76 01 51.5 c 673
2003-06-26 05:00:55 C 15 33 10.97 +76 03 15.2 c 673
2003-06-26 05:16:40 C 15 32 27.93 +76 04 27.0 c 673
2003-06-26 23:39:42 C 14 35 30.75 +77 11 53.1 d 557
2003-06-26 23:40:17 C 14 35 28.39 +77 11 54.3 d 557
2003-06-26 23:40:52 C 14 35 26.29 +77 11 55.1 d 557
2003-06-26 23:41:28 C 14 35 24.08 +77 11 56.8 d 557
2003-06-26 23:42:03 C 14 35 21.88 +77 11 57.5 d 557
2003-06-26 23:42:38 C 14 35 19.76 +77 11 59.1 d 557
2003-06-26 23:43:13 C 14 35 17.68 +77 12 00.5 d 557
2003-06-26 23:43:49 C 14 35 15.42 +77 12 01.3 d 557
2003-06-26 23:44:24 C 14 35 13.20 +77 12 03.0 d 557
2003-06-26 23:44:59 C 14 35 11.21 +77 12 03.8 d 557
2003-06-26 23:45:34 C 14 35 08.95 +77 12 04.2 d 557
2003-06-26 23:46:09 C 14 35 06.81 +77 12 06.4 d 557
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)