2019 YJ4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6107515185 ± 3.53e-06
Semi-major axis (a)2.7344282788 AU ± 2.76e-05
Inclination (i)25.67251525° ± 3.16e-05
Long. of Asc. Node (Ω)303.35298821° ± 1.67e-05
Arg. of Perihelion (ω)230.93796754° ± 3.19e-05
Mean Anomaly (M)97.37585412° ± 6.82e-03
Mean Motion (n)0.2179779034°/day ± 3.31e-06
Perihelion dist (q)1.06437206 AU ± 1.45e-05
Aphelion dist (Q)4.40448450 AU ± 4.56e-05
Orbital Period4.52167980 yr ± 6.86e-05
Physical Parameters
H (abs. magnitude)19.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.255″
Uncertainty1
Orbit TypeAmor
MOID0.200159 AU
Observations Used49
Oppositions1
Arc Total2019-2020
First Observation Used2019-12-24
Last Observation Used2020-06-13
Observations (51)
Date Type RA Dec Mag Band Observatory
2020-06-13 13:56:26 C 18 34 21.96 -59 42 06.6 V 474