2017 MA9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6430474861 ± 9.09e+01
Semi-major axis (a)2.3350165087 AU ± 5.74e+02
Inclination (i)8.83080888° ± 7.14e+01
Long. of Asc. Node (Ω)76.68211266° ± 3.76e+03
Arg. of Perihelion (ω)276.57052082° ± 4.35e+03
Mean Anomaly (M)113.11564484° ± 3.01e+05
Mean Motion (n)0.2758582400°/day ± 1.02e+02
Perihelion dist (q)0.83302590 AU ± 2.95e+02
Aphelion dist (Q)3.84118970 AU ± 9.67e+02
Orbital Period3.57287740 yr ± 1.32e+03
Physical Parameters
H (abs. magnitude)21.63
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.227″
Uncertainty5
Orbit TypeApollo
MOID0.072357 AU
Observations Used10
Oppositions1
Arc Total2017-2017
First Observation Used
Last Observation Used2017-07-02
Observations (10)
Date Type RA Dec Mag Band Observatory
2017-06-23 13:15:15 C 21 30 35.146 -34 46 46.44 L F51
2017-06-23 13:29:21 C 21 30 41.175 -34 47 08.96 L F51
2017-06-23 13:57:34 C 21 30 53.244 -34 47 53.25 L F51
2017-06-24 14:26:03 C 21 42 10.749 -35 26 00.43 U 568
2017-06-24 14:28:56 C 21 42 12.096 -35 26 04.85 U 568
2017-06-24 14:31:48 C 21 42 13.438 -35 26 09.21 U 568
2017-07-02 09:48:08 C 23 44 02.75 -37 55 43.0 V W84
2017-07-02 09:49:38 C 23 44 03.93 -37 55 42.3 V W84
2017-07-02 09:52:09 C 23 44 05.94 -37 55 40.8 V W84
2017-07-02 09:53:39 C 23 44 07.11 -37 55 39.9 V W84