2018 BY4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5129642316 ± 1.62e-06
Semi-major axis (a)1.3715027641 AU ± 3.15e-08
Inclination (i)21.93629906° ± 1.53e-04
Long. of Asc. Node (Ω)291.04224090° ± 1.90e-05
Arg. of Perihelion (ω)38.98347098° ± 2.00e-04
Mean Anomaly (M)52.68516036° ± 1.20e-04
Mean Motion (n)0.6136450642°/day ± 2.11e-08
Perihelion dist (q)0.66797090 AU ± 2.22e-06
Aphelion dist (Q)2.07503463 AU ± 2.22e-06
Orbital Period1.60618302 yr ± 5.53e-08
Physical Parameters
H (abs. magnitude)20.91
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.292″
Uncertainty0
Orbit TypeApollo
MOID0.239095 AU
Observations Used56
Oppositions3
Arc Total2018-2026
First Observation Used2018-01-11
Last Observation Used2026-01-09
Observations (56)
Date Type RA Dec Mag Band Observatory
2025-12-27 10:04:58 C 07 53 57.945 +30 06 30.68 X F52
2025-12-29 16:25:53 C 07 45 18.428 +29 29 51.76 W O18
2025-12-29 17:53:44 C 07 45 04.248 +29 28 52.14 W O18
2026-01-09 08:38:08 C 07 07 55.237 +26 20 17.58 X F51
2026-01-09 08:55:58 C 07 07 52.844 +26 20 03.98 X F51
2026-01-09 09:31:56 C 07 07 48.025 +26 19 36.81 X F51