2011 XA3

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.9257982223 ± 5.62e-08
Semi-major axis (a)1.4667089727 AU ± 8.90e-09
Inclination (i)28.12497463° ± 2.03e-05
Long. of Asc. Node (Ω)273.28600800° ± 4.61e-06
Arg. of Perihelion (ω)324.07330631° ± 1.08e-05
Mean Anomaly (M)280.31352960° ± 2.40e-05
Mean Motion (n)0.5548765267°/day ± 5.05e-09
Perihelion dist (q)0.10883241 AU ± 8.25e-08
Aphelion dist (Q)2.82458553 AU ± 8.42e-08
Orbital Period1.77629839 yr ± 1.62e-08
Physical Parameters
H (abs. magnitude)20.46
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.251″
Uncertainty0
Orbit TypeApollo
MOID0.032846 AU
Observations Used149
Oppositions5
Arc Total2011-2022
First Observation Used2011-11-26
Last Observation Used2022-11-12
Observations (157)
Date Type RA Dec Mag Band Observatory
2019-01-04 08:03:34 C 02 31 49.058 +29 25 53.34 U F51
2019-01-04 08:18:47 C 02 31 45.910 +29 25 23.56 U F51
2019-02-01 02:09:30 C 01 03 17.51 +09 10 22.5 o 291
2019-02-01 02:34:23 C 01 03 15.03 +09 09 41.8 o 291
2022-11-12 02:50:33 C 20 40 06.15 +43 57 19.8 V 695
2022-11-12 02:58:21 C 20 40 09.08 +43 57 08.7 V 695
2022-11-12 03:05:38 C 20 40 11.81 +43 56 58.4 V 695