2021 DO

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3997894561 ± 1.12e+00
Semi-major axis (a)1.6528201828 AU ± 3.11e+00
Inclination (i)10.88182411° ± 2.20e+01
Long. of Asc. Node (Ω)329.93466904° ± 6.40e+00
Arg. of Perihelion (ω)199.74194949° ± 6.59e+00
Mean Anomaly (M)78.68749144° ± 2.27e+03
Mean Motion (n)0.4634892700°/day ± 1.31e+00
Perihelion dist (q)0.99031080 AU ± 2.64e+00
Aphelion dist (Q)2.31698420 AU ± 4.74e+00
Orbital Period2.12649520 yr ± 6.01e+00
Physical Parameters
H (abs. magnitude)26.71
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual1.589″
Uncertainty3
Orbit TypeApollo
MOID0.017891 AU
Observations Used50
Oppositions1
Arc Total2021-2021
First Observation Used
Last Observation Used2021-02-21
Observations (52)
Date Type RA Dec Mag Band Observatory
2021-02-21 08:38:36 C 11 00 45.39 -32 26 36.0 V I52
2021-02-21 08:39:31 C 11 00 45.78 -32 27 09.9 V I52