2019 YL4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1696987434 ± 7.05e-07
Semi-major axis (a)0.9714171036 AU ± 1.11e-07
Inclination (i)8.10082609° ± 2.37e-05
Long. of Asc. Node (Ω)107.70667899° ± 1.47e-05
Arg. of Perihelion (ω)176.47158597° ± 4.74e-05
Mean Anomaly (M)231.79231758° ± 3.57e-04
Mean Motion (n)1.0294462064°/day ± 1.76e-07
Perihelion dist (q)0.80656884 AU ± 6.91e-07
Aphelion dist (Q)1.13626537 AU ± 6.97e-07
Orbital Period0.95743350 yr ± 1.63e-07
Physical Parameters
H (abs. magnitude)24.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.304″
Uncertainty0
Orbit TypeAten
MOID0.124919 AU
Observations Used49
Oppositions1
Arc Total2018-2021
First Observation Used2018-12-14
Last Observation Used2021-02-24
Observations (54)
Date Type RA Dec Mag Band Observatory
2021-02-17 14:30:51 C 13 52 59.713 +43 50 34.14 V F52
2021-02-24 06:18:53 C 14 35 18.83 +52 15 44.6 V 291
2021-02-24 06:41:08 C 14 35 25.56 +52 16 56.7 V 291
2021-02-24 07:03:48 C 14 35 32.35 +52 18 10.2 V 291