2021 GA9

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2362614862 ± 1.05e-05
Semi-major axis (a)1.6820283896 AU ± 5.25e-05
Inclination (i)21.18516980° ± 1.25e-03
Long. of Asc. Node (Ω)13.37791471° ± 3.13e-04
Arg. of Perihelion (ω)250.46746875° ± 2.55e-03
Mean Anomaly (M)1.86014374° ± 3.31e-02
Mean Motion (n)0.4518167151°/day ± 2.11e-05
Perihelion dist (q)1.28462986 AU ± 4.38e-05
Aphelion dist (Q)2.07942692 AU ± 6.72e-05
Orbital Period2.18147370 yr ± 1.02e-04
Physical Parameters
H (abs. magnitude)21.92
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.269″
Uncertainty2
Orbit TypeAmor
MOID0.397768 AU
Observations Used32
Oppositions1
Arc Total2021-2021
First Observation Used2021-04-09
Last Observation Used2021-05-31
Observations (33)
Date Type RA Dec Mag Band Observatory
2021-04-09 09:03:13 C 13 19 08.72 -19 09 22.5 V G96
2021-04-09 09:19:19 C 13 19 06.80 -19 09 46.5 V G96
2021-04-09 09:27:20 C 13 19 05.86 -19 09 58.3 V G96
2021-04-09 10:20:34 C 13 18 59.68 -19 11 14.4 V I52
2021-04-09 10:24:13 C 13 18 59.35 -19 11 20.4 V I52
2021-04-09 10:27:51 C 13 18 58.95 -19 11 25.3 V I52
2021-04-09 10:42:20 C 13 18 58.094 -19 11 46.05 V F51
2021-04-09 10:58:05 C 13 18 56.262 -19 12 09.02 V F51
2021-04-10 03:28:45 C 13 17 05.202 -19 36 22.00 V J04
2021-04-10 03:45:11 C 13 17 03.270 -19 36 45.84 V J04
2021-04-10 05:14:14 C 13 16 54.72 -19 38 58.6 V I52
2021-04-10 05:20:29 C 13 16 53.99 -19 39 08.5 V I52
2021-04-10 05:26:43 C 13 16 53.22 -19 39 18.1 V I52
2021-04-10 05:32:10 C 13 16 52.64 -19 39 24.7 V I52
2021-04-13 05:44:34 C 13 08 30.04 -21 25 09.4 V V06
2021-04-13 05:47:08 C 13 08 29.73 -21 25 11.7 V V06
2021-04-13 05:49:41 C 13 08 29.44 -21 25 16.5 V V06
2021-04-13 05:52:15 C 13 08 29.09 -21 25 20.2 V V06
2021-04-13 06:10:54 C 13 08 25.87 -21 25 27.9 V 807
2021-04-13 06:15:10 C 13 08 25.34 -21 25 34.0 V 807
2021-04-13 06:18:54 C 13 08 24.89 -21 25 39.4 V 807
2021-04-15 07:12:05 C 13 02 31.939 -22 36 51.35 U F52
2021-04-15 07:34:26 C 13 02 29.094 -22 37 23.91 U F52
2021-04-15 07:56:38 C 13 02 26.273 -22 37 56.42 U F52
2021-04-30 04:36:24 C 12 18 14.83 -30 21 13.6 V 807
2021-04-30 04:41:43 C 12 18 14.17 -30 21 19.5 V 807
2021-04-30 04:47:02 C 12 18 13.53 -30 21 25.5 V 807
2021-05-17 01:28:34 C 11 41 23.79 -36 24 43.3 V 807
2021-05-17 01:41:51 C 11 41 22.89 -36 24 52.5 V 807
2021-05-17 01:55:09 C 11 41 22.05 -36 25 02.4 V 807
2021-05-31 00:35:50 C 11 29 48.76 -40 04 01.2 V 807
2021-05-31 00:51:46 C 11 29 48.54 -40 04 10.9 V 807
2021-05-31 01:07:44 C 11 29 48.32 -40 04 20.2 V 807