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
2020-06-18 04:02:54 C 14 26 25.29 +51 02 57.8 q H45
2020-06-18 04:04:53 C 14 26 24.62 +51 02 52.1 q H45
2020-06-19 03:34:28 C 14 18 32.24 +49 58 15.5 q H45
2020-06-19 03:36:48 C 14 18 31.45 +49 58 08.9 q H45
2020-06-19 03:42:29 C 14 18 29.33 +49 57 51.3 q H45
2020-06-19 03:52:17 C 14 18 25.81 +49 57 23.1 q H45
2020-06-19 03:54:33 C 14 18 24.96 +49 57 16.1 q H45
2020-06-19 04:02:58 C 14 18 21.75 +49 56 49.8 q H45
2020-06-20 23:02:57 C 14 03 30.84 +47 39 13.8 V 104
2020-06-20 23:08:29 C 14 03 28.79 +47 38 53.9 V 104
2020-06-20 23:14:02 C 14 03 26.79 +47 38 33.3 V 104
2020-11-26 11:49:40 C 10 10 26.95 -11 54 42.9 V G96
2020-11-26 11:57:06 C 10 10 27.66 -11 54 31.6 V G96
2020-11-26 12:04:32 C 10 10 28.47 -11 54 19.8 V G96
2020-12-20 12:06:48 C 11 18 39.63 +07 26 22.6 V G96
2020-12-20 12:14:13 C 11 18 40.48 +07 26 42.0 V G96
2020-12-20 12:21:38 C 11 18 41.37 +07 27 01.4 V G96
2020-12-20 12:29:03 C 11 18 42.22 +07 27 20.5 V G96
2021-01-12 13:23:38 C 12 29 10.452 +35 29 43.55 U F52
2021-01-12 13:41:18 C 12 29 12.486 +35 30 40.49 U F52
2021-01-14 08:47:15 C 12 34 35.12 +37 46 36.7 V G96
2021-01-14 08:56:55 C 12 34 36.26 +37 47 07.6 V G96
2021-01-14 09:06:37 C 12 34 37.38 +37 47 38.8 V G96
2021-01-14 09:16:18 C 12 34 38.50 +37 48 09.6 V G96
2021-04-18 07:44:01 C 11 14 41.198 +68 03 19.39 U F51
2021-04-18 07:59:52 C 11 14 40.811 +68 03 02.51 U F51
2021-04-18 08:15:46 C 11 14 40.401 +68 02 45.35 U F51
2022-01-02 19:53:39 C 02 19 11.36 -03 11 58.5 V M22
2022-01-02 19:58:33 C 02 19 11.64 -03 11 26.6 V M22
2022-01-02 20:06:23 C 02 19 12.05 -03 10 36.1 V M22
2022-01-02 20:21:36 C 02 19 12.90 -03 08 56.5 V M22
2022-01-07 06:56:26 C 02 26 36.33 +07 40 03.5 V T05
2022-01-07 07:01:02 C 02 26 36.54 +07 40 29.4 V T05
2022-01-07 07:12:19 C 02 26 37.20 +07 41 33.1 V T05
2022-01-07 07:29:29 C 02 26 38.21 +07 43 10.6 V T05
2022-01-07 10:43:16 C 02 26 53.97 +08 01 19.7 V D29
2022-01-07 12:45:26 C 02 27 01.27 +08 12 49.3 V D29
2022-01-12 17:49:38 S 02 36 19.157 +18 51 26.57 L C51
2022-01-12 22:31:50 S 02 36 41.098 +19 12 50.98 L C51
2022-01-13 00:05:55 S 02 36 48.28 +19 19 57.5 L C51
2022-01-13 01:39:58 S 02 36 55.65 +19 27 02.2 L C51
2022-01-13 01:40:09 S 02 36 55.64 +19 27 02.5 L C51
2022-01-13 04:48:18 S 02 37 10.26 +19 41 07.0 L C51
2022-01-13 06:22:21 S 02 37 17.56 +19 48 08.7 L C51
2022-01-13 07:56:26 S 02 37 24.91 +19 55 08.5 L C51
2022-01-13 09:30:29 S 02 37 32.25 +20 02 07.1 L C51
2022-01-13 15:46:57 S 02 38 01.709 +20 29 48.48 L C51
2022-01-13 22:03:24 S 02 38 31.318 +20 57 11.95 L C51
2022-01-14 01:11:32 S 02 38 46.133 +21 10 46.49 L C51
2022-01-14 04:19:51 S 02 39 00.960 +21 24 16.02 L C51
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)