2021 SG3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5809866494 ± 1.56e-08
Semi-major axis (a)2.5255703949 AU ± 2.16e-09
Inclination (i)1.68645220° ± 2.35e-06
Long. of Asc. Node (Ω)154.83447401° ± 7.75e-05
Arg. of Perihelion (ω)240.01248466° ± 9.61e-05
Mean Anomaly (M)5.44618269° ± 5.64e-06
Mean Motion (n)0.2455687271°/day ± 3.15e-10
Perihelion dist (q)1.05824771 AU ± 3.94e-08
Aphelion dist (Q)3.99289308 AU ± 3.95e-08
Orbital Period4.01364740 yr ± 5.15e-09
Physical Parameters
H (abs. magnitude)25.25
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.215″
Uncertainty0
Orbit TypeAmor
MOID0.067867 AU
Observations Used60
Oppositions6
Arc Total2017-2025
First Observation Used2017-09-15
Last Observation Used2025-11-16
Observations (60)
Date Type RA Dec Mag Band Observatory
2025-11-12 09:07:58 C 03 43 43.727 -01 10 31.44 V G96
2025-11-12 09:08:54 C 03 43 43.943 -01 10 28.06 V G96
2025-11-12 09:09:50 C 03 43 44.285 -01 10 26.94 V G96
2025-11-12 09:12:47 C 03 43 44.915 -01 10 22.54 W H01
2025-11-12 09:17:45 C 03 43 46.438 -01 10 11.25 W H01
2025-11-12 09:38:58 C 03 43 52.947 -01 09 23.42 W H01
2025-11-12 09:44:08 C 03 43 54.535 -01 09 11.86 W H01
2025-11-16 10:15:00 C 04 12 06.901 +02 11 52.67 X F51
2025-11-16 10:50:01 C 04 12 15.023 +02 12 59.35 X F51
2025-11-16 11:07:38 C 04 12 19.088 +02 13 32.70 X F51