2021 GK2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6096303123 ± 2.33e-07
Semi-major axis (a)0.7489109092 AU ± 1.36e-09
Inclination (i)10.54700465° ± 2.76e-05
Long. of Asc. Node (Ω)28.43174761° ± 2.13e-05
Arg. of Perihelion (ω)10.61244534° ± 2.02e-05
Mean Anomaly (M)161.73738823° ± 5.48e-05
Mean Motion (n)1.5207822705°/day ± 4.14e-09
Perihelion dist (q)0.29235212 AU ± 1.75e-07
Aphelion dist (Q)1.20546970 AU ± 1.75e-07
Orbital Period0.64810480 yr ± 1.76e-09
Physical Parameters
H (abs. magnitude)23.30
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.324″
Uncertainty0
Orbit TypeAten
MOID0.058405 AU
Observations Used110
Oppositions7
Arc Total2010-2023
First Observation Used2010-04-10
Last Observation Used2023-04-16
Observations (111)
Date Type RA Dec Mag Band Observatory
2021-04-18 02:02:18 C 11 40 01.34 +09 44 57.1 u 807
2021-04-18 02:09:35 C 11 39 59.52 +09 44 48.4 u 807
2021-04-20 04:39:14 C 11 29 27.05 +08 46 54.0 V I52
2021-04-20 04:44:05 C 11 29 26.08 +08 46 48.6 V I52
2021-04-20 04:48:55 C 11 29 25.10 +08 46 43.9 V I52
2021-04-20 04:53:46 C 11 29 24.16 +08 46 38.9 V I52
2023-04-15 14:04:40 C 15 59 43.195 -23 48 27.63 V T12
2023-04-16 11:02:59 C 15 53 28.220 -23 58 50.20 V V06
2023-04-16 11:08:18 C 15 53 26.550 -23 58 52.50 V V06
2023-04-16 11:13:37 C 15 53 24.860 -23 58 55.10 V V06
2023-04-16 11:18:56 C 15 53 23.210 -23 58 58.30 V V06