2021 GB4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1659832812 ± 2.00e+00
Semi-major axis (a)1.0837934889 AU ± 3.00e+00
Inclination (i)24.45550877° ± 4.00e+00
Long. of Asc. Node (Ω)198.45543102° ± 5.00e+00
Arg. of Perihelion (ω)80.56851790° ± 6.00e+00
Mean Anomaly (M)330.83080081° ± 1.60e-01
Mean Motion (n)0.8736139800°/day ± 3.63e+00
Perihelion dist (q)0.90389690 AU ± 3.31e+00
Aphelion dist (Q)1.26357250 AU ± 4.12e+00
Orbital Period1.12819580 yr ± 4.68e+00
Physical Parameters
H (abs. magnitude)24.63
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.310″
Uncertainty3
Orbit TypeApollo
MOID0.022518 AU
Observations Used58
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-04-12
Observations (59)
Date Type RA Dec Mag Band Observatory
2021-04-09 20:05:40 C 10 36 35.69 +11 23 40.9 V 033
2021-04-09 20:06:14 C 10 36 35.65 +11 24 00.3 V 033
2021-04-09 21:31:15 C 10 36 27.50 +12 12 29.2 V L18
2021-04-09 21:33:49 C 10 36 27.29 +12 13 56.2 V L18
2021-04-09 21:36:22 C 10 36 27.13 +12 15 23.8 V L18
2021-04-12 19:29:40 C 10 36 15.16 +48 22 35.7 V 033
2021-04-12 19:30:25 C 10 36 15.13 +48 22 54.2 V 033
2021-04-12 19:31:09 C 10 36 15.08 +48 23 12.9 V 033
2021-04-12 19:32:00 C 10 36 15.00 +48 23 33.1 V 033