523631 (2009 SX1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4472680572 ± 8.25e-09
Semi-major axis (a)1.7221479119 AU ± 1.67e-09
Inclination (i)8.29207359° ± 2.22e-06
Long. of Asc. Node (Ω)335.00631345° ± 1.13e-05
Arg. of Perihelion (ω)115.40496354° ± 1.27e-05
Mean Anomaly (M)22.84509710° ± 3.03e-06
Mean Motion (n)0.4361206012°/day ± 6.34e-10
Perihelion dist (q)0.95188616 AU ± 1.42e-08
Aphelion dist (Q)2.49240966 AU ± 1.44e-08
Orbital Period2.25998561 yr ± 3.28e-09
Physical Parameters
H (abs. magnitude)18.94
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.414″
Uncertainty0
Orbit TypeApollo
MOID0.072749 AU
Observations Used814
Oppositions10
Arc Total2002-2020
First Observation Used2002-08-11
Last Observation Used2020-08-23
Observations (1157)
Date Type RA Dec Mag Band Observatory
2020-07-18 10:37:34 C 21 02 21.231 -25 04 17.51 U F51
2020-07-22 10:23:50 C 20 56 26.391 -25 21 14.29 U F51
2020-07-22 10:39:08 C 20 56 25.369 -25 21 16.81 U F51
2020-07-22 10:54:27 C 20 56 24.360 -25 21 19.60 U F51
2020-08-23 08:04:50 C 20 03 50.866 -26 10 42.54 U F51
2020-08-23 08:19:55 C 20 03 49.951 -26 10 41.77 U F51
2020-08-23 08:35:02 C 20 03 49.018 -26 10 40.82 U F51