2019 UD4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3475448897 ± 8.48e-09
Semi-major axis (a)1.5676885844 AU ± 2.96e-09
Inclination (i)3.33616118° ± 1.41e-06
Long. of Asc. Node (Ω)310.41636292° ± 7.50e-06
Arg. of Perihelion (ω)39.88728781° ± 1.32e-05
Mean Anomaly (M)49.56660471° ± 3.92e-06
Mean Motion (n)0.5021374147°/day ± 1.42e-09
Perihelion dist (q)1.02284643 AU ± 1.34e-08
Aphelion dist (Q)2.11253074 AU ± 1.39e-08
Orbital Period1.96286167 yr ± 5.55e-09
Physical Parameters
H (abs. magnitude)23.17
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.267″
Uncertainty0
Orbit TypeAmor
MOID0.031996 AU
Observations Used340
Oppositions1
Arc Total2019-2021
First Observation Used2019-08-20
Last Observation Used2021-10-11
Observations (353)
Date Type RA Dec Mag Band Observatory
2021-10-11 10:08:32 C 04 58 44.72 +47 39 23.6 V G96
2021-10-11 10:17:51 C 04 58 44.55 +47 39 19.3 V G96
2021-10-11 10:27:12 C 04 58 44.31 +47 39 15.2 V G96