2021 XB1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4840995295 ± 9.87e-06
Semi-major axis (a)1.6639244630 AU ± 2.40e-05
Inclination (i)8.20133640° ± 2.14e-04
Long. of Asc. Node (Ω)357.94403237° ± 6.95e-04
Arg. of Perihelion (ω)27.48835121° ± 3.24e-04
Mean Anomaly (M)325.30841357° ± 1.47e-02
Mean Motion (n)0.4592105594°/day ± 9.92e-06
Perihelion dist (q)0.85841941 AU ± 2.06e-05
Aphelion dist (Q)2.46942951 AU ± 3.92e-05
Orbital Period2.14634934 yr ± 4.64e-05
Physical Parameters
H (abs. magnitude)21.89
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.220″
Uncertainty2
Orbit TypeApollo
MOID0.066565 AU
Observations Used50
Oppositions1
Arc Total2021-2022
First Observation Used2021-12-01
Last Observation Used2022-02-08
Observations (51)
Date Type RA Dec Mag Band Observatory
2022-02-08 08:43:13 C 08 38 10.740 +35 14 59.79 U F52