2018 KB4

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5600687000 ± 2.75e-05
Semi-major axis (a)2.2206740339 AU ± 1.50e-04
Inclination (i)26.13771615° ± 8.90e-04
Long. of Asc. Node (Ω)73.25258426° ± 9.24e-05
Arg. of Perihelion (ω)138.76002063° ± 8.22e-04
Mean Anomaly (M)102.09983003° ± 8.39e-02
Mean Motion (n)0.2978413931°/day ± 3.02e-05
Perihelion dist (q)0.97694401 AU ± 8.99e-05
Aphelion dist (Q)3.46440405 AU ± 2.42e-04
Orbital Period3.30923205 yr ± 3.35e-04
Physical Parameters
H (abs. magnitude)21.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.285″
Uncertainty2
Orbit TypeApollo
MOID0.049638 AU
Observations Used59
Oppositions1
Arc Total2018-2018
First Observation Used2018-05-26
Last Observation Used2018-07-12
Observations (63)
Date Type RA Dec Mag Band Observatory
2018-06-07 10:24:55 C 20 13 42.84 -47 37 17.2 q I47
2018-06-11 11:00:31 C 20 07 22.62 -56 06 32.9 q E08
2018-06-11 11:23:34 C 20 07 20.81 -56 08 15.4 q E08
2018-06-21 03:30:43 C 19 44 04.61 -66 52 46.2 U 807
2018-06-21 03:33:03 C 19 44 04.32 -66 52 50.3 U 807
2018-06-21 03:36:35 C 19 44 03.82 -66 52 56.5 U 807
2018-06-22 07:41:02 C 19 40 37.93 -67 37 21.9 u 807
2018-06-22 07:45:14 C 19 40 37.34 -67 37 28.3 u 807
2018-06-22 07:48:54 C 19 40 36.83 -67 37 33.3 u 807
2018-07-12 11:28:07 C 18 48 06.53 -71 48 02.8 U 474
2018-07-12 11:38:14 C 18 48 05.66 -71 48 01.6 U 474
2018-07-12 11:43:18 C 18 48 05.29 -71 48 01.0 U 474
2018-07-12 11:48:22 C 18 48 04.76 -71 48 01.0 U 474