2021 GM4

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3515156954 ± 5.77e-09
Semi-major axis (a)1.5234070472 AU ± 4.71e-09
Inclination (i)5.25066281° ± 1.13e-06
Long. of Asc. Node (Ω)295.07661597° ± 4.56e-06
Arg. of Perihelion (ω)323.97408422° ± 5.73e-06
Mean Anomaly (M)130.20416618° ± 3.89e-06
Mean Motion (n)0.5241895222°/day ± 2.43e-09
Perihelion dist (q)0.98790556 AU ± 9.31e-09
Aphelion dist (Q)2.05890853 AU ± 1.09e-08
Orbital Period1.88028612 yr ± 8.72e-09
Physical Parameters
H (abs. magnitude)21.81
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.207″
Uncertainty0
Orbit TypeApollo
MOID0.011208 AU
Observations Used249
Oppositions7
Arc Total2006-2021
First Observation Used2006-10-15
Last Observation Used2021-10-04
Observations (258)
Date Type RA Dec Mag Band Observatory
2021-09-10 08:02:29 C 21 56 21.431 +05 29 14.92 U F51
2021-09-13 06:57:06 C 21 56 04.051 +05 02 21.79 U F52
2021-09-13 07:12:46 C 21 56 03.922 +05 02 16.10 U F52
2021-09-13 07:28:30 C 21 56 03.798 +05 02 10.34 U F52
2021-09-13 07:44:17 C 21 56 03.671 +05 02 04.64 U F52
2021-10-04 07:27:44 C 22 03 55.911 +02 35 35.34 U F52
2021-10-04 07:45:07 C 22 03 56.361 +02 35 31.95 U F52
2021-10-04 08:19:54 C 22 03 57.256 +02 35 25.04 U F52