2018 XA

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6766465535 ± 2.00e+00
Semi-major axis (a)2.5958326403 AU ± 3.00e+00
Inclination (i)3.95354985° ± 4.00e+00
Long. of Asc. Node (Ω)252.94336628° ± 5.00e+00
Arg. of Perihelion (ω)121.83180206° ± 6.00e+00
Mean Anomaly (M)248.90691665° ± 1.76e-01
Mean Motion (n)0.2356311200°/day ± 4.08e-01
Perihelion dist (q)0.83936380 AU ± 5.28e+00
Aphelion dist (Q)4.35275100 AU ± 7.23e+00
Orbital Period4.18284180 yr ± 7.25e+00
Physical Parameters
H (abs. magnitude)23.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.347″
Uncertainty3
Orbit TypeApollo
MOID0.008288 AU
Observations Used151
Oppositions1
Arc Total2018-2019
First Observation Used
Last Observation Used2019-01-03
Observations (154)
Date Type RA Dec Mag Band Observatory
2018-12-24 08:46:29 C 05 26 45.66 +16 55 59.4 o 695
2018-12-24 09:00:12 C 05 26 46.11 +16 55 57.4 o 695
2019-01-03 09:38:15 C 05 34 28.639 +16 49 47.95 V T12
2019-01-03 09:44:54 C 05 34 28.766 +16 49 48.05 V T12