2022 SX21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4066443535 ± 3.67e-08
Semi-major axis (a)2.1786571452 AU ± 4.44e-09
Inclination (i)6.02142995° ± 3.25e-06
Long. of Asc. Node (Ω)16.79343604° ± 3.25e-05
Arg. of Perihelion (ω)41.54093304° ± 3.59e-05
Mean Anomaly (M)341.08714245° ± 8.43e-06
Mean Motion (n)0.3064989139°/day ± 9.37e-10
Perihelion dist (q)1.29271852 AU ± 8.00e-08
Aphelion dist (Q)3.06459577 AU ± 8.02e-08
Orbital Period3.21575783 yr ± 9.83e-09
Physical Parameters
H (abs. magnitude)19.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.216″
Uncertainty0
Orbit TypeAmor
MOID0.312021 AU
Observations Used105
Oppositions11
Arc Total2009-2025
First Observation Used2009-09-24
Last Observation Used2025-09-16
Observations (109)
Date Type RA Dec Mag Band Observatory
2025-08-28 08:52:42 C 21 43 45.917 -24 09 31.91 X F51
2025-08-28 09:22:48 C 21 43 44.091 -24 09 35.58 X F51
2025-09-15 08:03:59 C 21 21 51.559 -24 12 10.84 X F51
2025-09-15 08:24:30 C 21 21 50.688 -24 12 08.34 X F51
2025-09-15 08:44:58 C 21 21 49.816 -24 12 06.14 X F51
2025-09-16 07:22:41 C 21 20 57.714 -24 09 27.32 X F51
2025-09-16 07:37:34 C 21 20 57.097 -24 09 25.59 X F51
2025-09-16 07:52:28 C 21 20 56.481 -24 09 23.59 X F51
2025-09-16 08:07:22 C 21 20 55.874 -24 09 21.66 X F51