2021 OY20

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3233870423 ± 1.17e-08
Semi-major axis (a)1.5534170266 AU ± 4.76e-09
Inclination (i)22.36354190° ± 4.44e-06
Long. of Asc. Node (Ω)46.54947098° ± 2.37e-06
Arg. of Perihelion (ω)8.07306080° ± 1.05e-05
Mean Anomaly (M)16.61916060° ± 5.64e-06
Mean Motion (n)0.5090731417°/day ± 2.34e-09
Perihelion dist (q)1.05106209 AU ± 1.84e-08
Aphelion dist (Q)2.05577196 AU ± 1.92e-08
Orbital Period1.93611920 yr ± 8.89e-09
Physical Parameters
H (abs. magnitude)19.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.186″
Uncertainty0
Orbit TypeAmor
MOID0.061682 AU
Observations Used231
Oppositions2
Arc Total2021-2026
First Observation Used2021-07-20
Last Observation Used2026-01-06
Observations (257)
Date Type RA Dec Mag Band Observatory
2025-11-09 22:14:13 C 10 22 58.715 +34 39 20.74 W O18
2025-11-28 11:33:14 C 11 46 53.839 +38 17 07.62 V G96
2025-11-28 11:41:24 C 11 46 55.182 +38 17 10.50 V G96
2025-11-28 11:49:36 C 11 46 56.528 +38 17 13.34 V G96
2025-11-28 11:57:48 C 11 46 57.850 +38 17 16.94 V G96
2026-01-06 19:43:23 C 13 35 49.700 +42 37 32.78 W O18
2026-01-06 20:31:33 C 13 35 52.610 +42 37 51.80 W O18