1998 MS2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4020007340 ± 1.12e-07
Semi-major axis (a)1.7322655454 AU ± 3.77e-09
Inclination (i)19.24762117° ± 2.31e-05
Long. of Asc. Node (Ω)268.33000223° ± 6.44e-06
Arg. of Perihelion (ω)320.38704843° ± 4.33e-05
Mean Anomaly (M)26.33675783° ± 2.78e-05
Mean Motion (n)0.4323053151°/day ± 1.41e-09
Perihelion dist (q)1.03589352 AU ± 1.94e-07
Aphelion dist (Q)2.42863757 AU ± 1.94e-07
Orbital Period2.27993099 yr ± 7.45e-09
Physical Parameters
H (abs. magnitude)20.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.548″
Uncertainty0
Orbit TypeAmor
MOID0.079985 AU
Observations Used135
Oppositions14
Arc Total1998-2023
First Observation Used1998-06-20
Last Observation Used2023-01-12
Observations (153)
Date Type RA Dec Mag Band Observatory
1998-07-28 05:33:38 C 18 23 54.57 +15 26 13.0 a 696
1998-07-28 05:40:49 C 18 23 54.70 +15 26 13.8 a 696
2014-04-01 08:34:51 S 21 55 33.811 -86 26 59.32 L C51
2014-04-01 18:03:28 S 22 00 46.591 -86 06 27.25 L C51
2014-04-02 01:57:29 S 22 04 25.601 -85 49 14.66 L C51
2014-04-02 06:41:53 S 22 06 25.034 -85 38 51.07 L C51
2014-04-02 08:16:41 S 22 07 00.571 -85 35 22.78 L C51
2014-04-02 11:26:17 S 22 08 12.293 -85 28 27.05 L C51
2014-04-02 19:20:06 S 22 10 53.880 -85 11 03.91 L C51
2014-04-02 20:54:54 S 22 11 24.060 -85 07 35.33 L C51
2014-04-03 04:48:54 S 22 13 43.363 -84 50 04.85 L C51
2014-04-03 14:17:42 S 22 16 09.622 -84 29 02.87 L C51
2014-04-03 22:11:43 S 22 17 57.746 -84 11 27.20 L C51
2014-05-17 13:18:30 S 22 27 58.457 -35 59 28.72 L C51
2014-05-17 16:28:06 S 22 27 54.478 -35 48 56.05 L C51
2014-05-22 02:15:20 S 22 25 30.938 -29 53 40.09 L C51
2014-05-22 14:53:11 S 22 25 12.122 -29 11 00.31 L C51
2014-05-22 16:27:48 S 22 25 09.826 -29 05 40.88 L C51
2014-05-23 08:15:04 S 22 24 45.629 -28 12 21.42 L C51
2014-06-08 09:57:24 C 22 10 55.67 -07 04 59.8 q 703
2014-06-08 10:03:53 C 22 10 55.32 -07 04 40.0 q 703
2014-06-08 10:10:22 C 22 10 55.02 -07 04 22.1 q 703
2014-06-08 10:16:51 C 22 10 54.67 -07 04 00.3 q 703
2014-06-08 10:57:19 C 22 10 52.49 -07 01 56.2 q 703
2014-06-08 10:59:32 C 22 10 52.28 -07 01 50.3 q 703
2014-06-08 11:02:44 C 22 10 52.15 -07 01 40.5 q 703
2014-06-08 11:05:24 C 22 10 52.00 -07 01 30.9 q 703
2014-06-08 11:07:36 C 22 10 51.99 -07 01 23.4 q 703
2014-06-09 07:55:05 C 22 09 51.80 -05 57 09.1 u 807
2014-06-09 08:01:51 C 22 09 51.42 -05 56 48.5 u 807
2014-06-09 08:08:36 C 22 09 51.05 -05 56 28.2 u 807
2014-06-09 09:42:31 C 22 09 46.81 -05 52 14.3 q I52
2014-06-09 09:43:13 C 22 09 46.80 -05 52 11.8 q I52
2014-06-09 09:43:56 C 22 09 46.77 -05 52 09.5 q I52
2014-06-09 09:44:39 C 22 09 46.71 -05 52 07.0 q I52
2014-06-09 09:56:30 C 22 09 46.08 -05 51 31.3 q G96
2014-06-09 10:06:14 C 22 09 45.53 -05 51 01.8 q G96
2014-06-09 10:15:56 C 22 09 44.99 -05 50 32.3 q G96
2014-06-09 10:25:40 C 22 09 44.46 -05 50 02.6 q G96
2014-06-10 09:23:09 C 22 08 35.96 -04 40 38.2 q I52
2014-06-10 09:24:14 C 22 08 35.82 -04 40 34.5 q I52
2014-06-10 09:25:20 C 22 08 35.82 -04 40 31.0 q I52
2014-06-10 09:26:26 C 22 08 35.73 -04 40 27.8 q I52
2014-06-10 09:55:27 C 22 08 34.09 -04 39 00.5 q G96
2014-06-10 09:59:55 C 22 08 33.80 -04 38 47.1 q G96
2014-06-10 10:04:24 C 22 08 33.59 -04 38 33.8 q G96
2014-06-10 10:08:52 C 22 08 33.33 -04 38 20.0 q G96
2014-06-25 07:58:34 C 21 45 44.01 +10 57 47.5 u H21
2014-06-25 08:06:15 C 21 45 43.39 +10 58 04.4 u H21
2014-06-25 08:13:47 C 21 45 42.76 +10 58 21.0 u H21