IAA RAS IAA Minor Planet Database

2021 GY9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4705644000
Semi-major axis (a)1.5255223000 AU
Inclination (i)6.26304000°
Long. of Asc. Node (Ω)12.47852000°
Arg. of Perihelion (ω)102.91679000°
Mean Anomaly (M)196.85564000°
Mean Motion (n)0.5230897700°/day
Perihelion dist (q)0.80766580 AU
Aphelion dist (Q)2.24337880 AU
Orbital Period1.88420370 yr
Physical Parameters
H (abs. magnitude)25.30
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.490″
Uncertainty8
Orbit TypeApollo
MOID0.020158 AU
Observations Used19
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-04-14
Observations (19)
Date Type RA Dec Mag Band Observatory
2021-04-04 08:04:37 C 13 43 22.20 -14 52 21.4 – V G96
2021-04-04 08:12:04 C 13 43 20.57 -14 52 28.2 – V G96
2021-04-04 08:19:32 C 13 43 18.82 -14 52 35.6 – V G96
2021-04-09 10:13:28 C 13 23 43.757 -16 15 36.58 – U F51
2021-04-09 10:29:18 C 13 23 41.549 -16 15 43.59 – U F51
2021-04-09 10:45:06 C 13 23 39.325 -16 15 50.77 – U F51
2021-04-09 11:00:53 C 13 23 37.081 -16 15 57.83 – U F51
2021-04-10 09:16:51 C 13 20 58.44 -16 25 31.7 – o 691
2021-04-10 09:27:44 C 13 20 57.05 -16 25 36.6 – o 691
2021-04-10 09:38:38 C 13 20 55.69 -16 25 40.6 – o 691
2021-04-14 04:50:15 C 13 12 16.22 -16 52 25.8 – V 807
2021-04-14 04:58:14 C 13 12 15.47 -16 52 27.4 – V 807
2021-04-14 05:06:12 C 13 12 14.74 -16 52 29.3 – V 807
2021-04-14 08:52:12 C 13 11 56.14 -16 54 07.0 – o 291
2021-04-14 09:09:59 C 13 11 54.47 -16 54 10.7 – o 291
2021-04-14 09:27:48 C 13 11 52.97 -16 54 14.7 – o 291
2021-04-14 10:57:46 C 13 11 46.800 -16 54 28.34 – V 568
2021-04-14 10:59:10 C 13 11 46.672 -16 54 28.64 – V 568
2021-04-14 11:00:35 C 13 11 46.541 -16 54 28.94 – V 568