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
2023-01-12 02:31:51 C 07 56 38.92 -00 27 01.3 V 807
2023-01-12 02:41:43 C 07 56 38.15 -00 27 08.9 V 807
2023-01-12 03:01:59 C 07 56 36.57 -00 27 24.7 V 807