2021 GS4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2805053166 ± 2.09e-01
Semi-major axis (a)1.3427047673 AU ± 8.39e-01
Inclination (i)2.03427705° ± 1.44e+00
Long. of Asc. Node (Ω)208.61784089° ± 1.91e+01
Arg. of Perihelion (ω)280.70102021° ± 7.38e+01
Mean Anomaly (M)29.16181057° ± 1.05e+03
Mean Motion (n)0.6334637600°/day ± 5.93e-01
Perihelion dist (q)0.96640800 AU ± 6.65e-01
Aphelion dist (Q)1.71904900 AU ± 1.11e+00
Orbital Period1.55590230 yr ± 1.46e+00
Physical Parameters
H (abs. magnitude)25.83
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.156″
Uncertainty3
Orbit TypeApollo
MOID0.027096 AU
Observations Used15
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-04-09
Observations (18)
Date Type RA Dec Mag Band Observatory
2021-04-06 09:05:02 C 11 45 19.620 -03 43 59.46 U F51
2021-04-06 09:23:02 C 11 45 21.581 -03 43 52.06 U F51
2021-04-06 09:41:00 C 11 45 23.538 -03 43 44.83 U F51
2021-04-07 00:17:22 C 11 47 19.47 -03 36 50.0 V 807
2021-04-07 00:22:41 C 11 47 20.09 -03 36 48.2 V 807
2021-04-07 00:28:02 C 11 47 20.70 -03 36 46.0 V 807
2021-04-07 03:30:37 C 11 47 43.22 -03 36 54.2 o 291
2021-04-07 03:43:32 C 11 47 44.64 -03 36 48.8 o 291
2021-04-07 03:56:27 C 11 47 45.97 -03 36 44.9 o 291
2021-04-07 04:44:34 C 11 47 49.51 -03 36 35.1 u H21
2021-04-07 05:00:34 C 11 47 51.27 -03 36 29.0 u H21
2021-04-07 06:04:30 C 11 48 02.971 -03 35 41.47 V 568
2021-04-07 06:07:20 C 11 48 03.282 -03 35 40.47 V 568
2021-04-07 06:08:45 C 11 48 03.432 -03 35 39.94 V 568
2021-04-09 04:41:52 C 11 53 31.09 -03 19 33.7 V H01
2021-04-09 04:47:08 C 11 53 31.60 -03 19 31.9 V H01
2021-04-09 05:01:41 C 11 53 32.98 -03 19 27.2 V H01
2021-04-09 05:13:05 C 11 53 34.07 -03 19 23.5 V H01