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
2005-01-07 03:35:04 C 03 32 21.05 +22 20 02.6 18.7 c 704
2005-01-07 04:12:40 C 03 32 19.61 +22 24 10.4 18.5 c 704
2005-01-07 04:32:13 C 03 32 18.86 +22 26 18.2 18.2 c 704
2005-01-07 04:50:54 C 03 32 18.15 +22 28 19.7 18.7 c 704
2005-01-10 19:28:06 C 03 31 22.84 +30 49 55.2 o 151
2005-01-10 19:31:14 C 03 31 22.81 +30 50 09.9 o 151
2005-01-10 19:32:47 C 03 31 22.78 +30 50 17.3 o 151
2005-01-11 22:39:33 C 03 31 20.71 +33 02 15.3 r A13
2005-01-11 22:46:38 C 03 31 20.67 +33 02 48.4 r A13
2005-01-11 22:53:55 C 03 31 20.59 +33 03 21.7 r A13
2005-01-11 23:06:04 C 03 31 20.49 +33 04 17.1 r A13
2005-01-11 23:13:10 C 03 31 20.48 +33 04 49.7 r A13
2019-04-15 10:23:05 C 19 31 45.30 +14 50 22.8 o 695
2019-04-15 10:34:49 C 19 31 46.88 +14 50 23.7 o 695
2019-04-15 10:46:33 C 19 31 48.44 +14 50 24.7 o 695
2020-02-21 10:29:28 C 15 58 36.93 +30 19 18.2 u H21
2020-02-21 10:39:07 C 15 58 37.95 +30 19 27.4 u H21
2020-02-21 10:48:29 C 15 58 38.97 +30 19 36.2 u H21
2020-02-28 10:05:15 C 16 16 45.95 +32 57 03.3 u H21
2020-02-28 10:11:57 C 16 16 46.60 +32 57 09.7 u H21
2020-02-28 10:20:11 C 16 16 47.40 +32 57 17.1 u H21
2020-02-29 10:40:14 C 16 19 17.99 +33 20 14.1 u H21
2020-02-29 10:47:13 C 16 19 18.64 +33 20 20.8 u H21
2020-02-29 10:52:57 C 16 19 19.18 +33 20 26.4 u H21
2020-03-04 10:19:56 C 16 28 51.20 +34 50 10.9 u H21
2020-03-04 10:28:43 C 16 28 51.98 +34 50 19.5 u H21
2020-03-04 10:35:09 C 16 28 52.60 +34 50 25.5 u H21
2020-05-12 08:38:29 C 17 16 28.80 +56 58 26.2 V G96
2020-05-12 08:46:02 C 17 16 28.17 +56 58 29.9 V G96
2020-05-12 08:53:36 C 17 16 27.51 +56 58 33.6 V G96
2020-05-12 09:01:09 C 17 16 26.80 +56 58 37.8 V G96
2020-05-12 13:00:26 C 17 16 07.991 +57 00 41.19 U F51
2020-05-12 13:15:41 C 17 16 06.611 +57 00 48.49 U F51
2020-05-12 13:30:48 C 17 16 05.249 +57 00 55.37 U F51
2020-05-12 13:45:49 C 17 16 03.902 +57 01 02.04 U F51
2020-05-15 12:09:00 C 17 10 14.346 +57 33 47.49 U F51
2020-05-15 12:28:23 C 17 10 12.287 +57 33 55.81 U F51
2020-05-15 12:47:32 C 17 10 10.266 +57 34 03.84 U F51
2020-05-15 13:06:31 C 17 10 08.261 +57 34 11.71 U F51
2020-05-22 06:18:16 C 16 52 33.77 +58 30 05.8 U I41
2020-05-22 06:41:21 C 16 52 30.44 +58 30 12.9 U I41
2020-05-22 07:46:29 C 16 52 21.00 +58 30 31.7 U I41
2020-05-22 07:48:30 C 16 52 20.69 +58 30 32.1 U I41
2020-05-28 07:55:25 C 16 30 54.67 +58 49 30.0 V G96
2020-05-28 08:02:54 C 16 30 53.33 +58 49 29.8 V G96
2020-05-28 08:10:23 C 16 30 51.91 +58 49 29.7 V G96
2020-05-28 08:19:01 C 16 30 50.28 +58 49 29.5 V G96
2020-06-08 07:33:28 C 15 35 46.77 +57 16 24.8 V G96
2020-06-08 07:41:03 C 15 35 44.73 +57 16 18.0 V G96
2020-06-08 07:48:38 C 15 35 42.65 +57 16 11.5 V G96
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)