IAA RAS IAA Minor Planet Database

2021 GX9

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6205608000
Semi-major axis (a)1.9657890000 AU
Inclination (i)4.12864000°
Long. of Asc. Node (Ω)207.12530000°
Arg. of Perihelion (ω)70.86143000°
Mean Anomaly (M)224.32861000°
Mean Motion (n)0.3576010100°/day
Perihelion dist (q)0.74589740 AU
Aphelion dist (Q)3.18568060 AU
Orbital Period2.75616590 yr
Physical Parameters
H (abs. magnitude)25.36
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.870″
Uncertainty7
Orbit TypeApollo
MOID0.000036 AU
Observations Used42
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-04-17
Observations (44)
Date Type RA Dec Mag Band Observatory
2021-04-03 08:42:00 C 12 26 43.204 -11 51 07.01 – V F51
2021-04-03 09:00:47 C 12 26 41.568 -11 51 00.89 – V F51
2021-04-03 09:38:25 C 12 26 38.253 -11 50 47.66 – V F51
2021-04-13 08:13:24 C 11 39 45.267 -06 56 33.45 – V F52
2021-04-13 08:39:08 C 11 39 30.003 -06 54 58.09 – V F52
2021-04-14 06:08:54 C 11 25 40.875 -05 18 26.64 – U F52
2021-04-14 06:55:00 C 11 25 02.703 -05 14 18.06 – U F52
2021-04-14 07:18:09 C 11 24 43.328 -05 12 12.19 – U F52
2021-04-14 09:22:45 C 11 22 56.243 -05 00 33.51 – U F51
2021-04-14 09:42:21 C 11 22 39.067 -04 58 40.51 – U F51
2021-04-14 10:01:53 C 11 22 21.915 -04 56 47.15 – U F51
2021-04-14 17:41:10 C 11 15 37.10 -04 10 20.2 – V N88
2021-04-14 17:41:41 C 11 15 36.52 -04 10 16.8 – V N88
2021-04-14 17:42:12 C 11 15 35.98 -04 10 11.7 – V N88
2021-04-14 17:42:40 C 11 15 35.47 -04 10 07.0 – V N88
2021-04-14 17:43:05 C 11 15 35.12 -04 10 06.5 – V N88
2021-04-14 23:51:01 C 11 09 24.55 -03 26 47.5 – V Z99
2021-04-14 23:53:35 C 11 09 21.72 -03 26 28.2 – V Z99
2021-04-14 23:56:09 C 11 09 18.92 -03 26 08.3 – V Z99
2021-04-14 23:58:42 C 11 09 16.05 -03 25 48.9 – V Z99
2021-04-15 00:01:15 C 11 09 13.26 -03 25 29.5 – V Z99
2021-04-15 05:53:09 C 11 02 47.471 -02 35 57.29 – V T12
2021-04-15 05:53:41 C 11 02 46.785 -02 35 52.62 – V T12
2021-04-15 05:55:41 C 11 02 44.246 -02 35 35.39 – V T12
2021-04-15 05:57:19 C 11 02 42.164 -02 35 21.26 – V T12
2021-04-15 21:53:18 C 10 39 31.00 +00 08 00.7 – V Z80
2021-04-15 22:10:48 C 10 38 59.82 +00 11 37.4 – V Z80
2021-04-16 20:40:53 C 09 46 50.99 +06 22 15.1 – V 033
2021-04-16 20:41:27 C 09 46 49.23 +06 22 26.9 – V 033
2021-04-17 00:17:44 C 09 35 27.124 +07 51 10.74 – V W85
2021-04-17 00:37:22 C 09 34 18.796 +07 58 41.71 – V W87
2021-04-17 00:43:40 C 09 33 56.766 +08 01 06.74 – V W87
2021-04-17 04:28:06 S 09 20 38.77 +09 25 36.2 – V C51
2021-04-17 05:15:26 C 09 17 30.31 +09 41 46.4 – V I41
2021-04-17 05:15:56 C 09 17 28.37 +09 41 59.5 – V I41
2021-04-17 06:36:44 C 09 12 23.544 +10 17 43.43 – V F52
2021-04-17 06:37:01 C 09 12 05.09 +10 15 46.2 – V I52
2021-04-17 06:37:59 C 09 12 01.22 +10 16 10.3 – V I52
2021-04-17 06:38:56 C 09 11 57.40 +10 16 34.5 – V I52
2021-04-17 06:39:53 C 09 11 53.58 +10 16 58.4 – V I52
2021-04-17 21:05:27 C 08 04 57.83 +16 47 25.5 – V J95
2021-04-17 21:11:37 C 08 04 24.30 +16 50 13.7 – V J95
2021-04-17 21:17:57 C 08 03 49.84 +16 53 05.1 – V J95
2021-04-17 21:24:04 C 08 03 16.48 +16 55 50.8 – V J95