1997 MS

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7284244076 ± 7.70e-07
Semi-major axis (a)1.9333034925 AU ± 1.58e-08
Inclination (i)54.90634758° ± 8.08e-05
Long. of Asc. Node (Ω)86.18499010° ± 9.90e-06
Arg. of Perihelion (ω)65.78081695° ± 1.08e-04
Mean Anomaly (M)228.57829745° ± 2.14e-05
Mean Motion (n)0.3666588930°/day ± 4.49e-09
Perihelion dist (q)0.52503804 AU ± 1.49e-06
Aphelion dist (Q)3.34156894 AU ± 1.49e-06
Orbital Period2.68812867 yr ± 3.29e-08
Physical Parameters
H (abs. magnitude)19.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.425″
Uncertainty0
Orbit TypeApollo
MOID0.172754 AU
Observations Used60
Oppositions17
Arc Total1997-2024
First Observation Used1997-06-25
Last Observation Used2024-06-13
Observations (66)
Date Type RA Dec Mag Band Observatory
2024-05-09 10:56:37 C 21 24 13.018 -08 23 08.34 V I52
2024-05-09 10:59:57 C 21 24 12.848 -08 23 15.97 V I52
2024-05-09 11:03:18 C 21 24 12.697 -08 23 23.60 V I52
2024-05-09 11:06:38 C 21 24 12.596 -08 23 31.88 V I52
2024-05-10 11:05:40 C 21 23 18.240 -09 20 12.20 V I52
2024-05-10 11:11:15 C 21 23 18.000 -09 20 25.40 V I52
2024-06-02 13:51:56 C 20 38 37.226 -34 39 53.00 X F51
2024-06-02 14:03:12 C 20 38 35.632 -34 40 25.27 X F51
2024-06-02 14:25:43 C 20 38 32.452 -34 41 29.57 X F51
2024-06-13 11:56:58 C 19 54 01.482 -46 01 38.22 X F51
2024-06-13 12:09:06 C 19 53 58.940 -46 02 05.67 X F51
2024-06-13 12:21:14 C 19 53 56.406 -46 02 32.99 X F51
2024-06-13 12:33:21 C 19 53 53.900 -46 02 59.96 X F51
2024-06-13 12:38:24 C 19 53 52.849 -46 03 11.49 X F51
2024-06-13 13:00:48 C 19 53 48.197 -46 04 01.37 X F51
2024-06-13 13:11:58 C 19 53 45.888 -46 04 26.16 X F51