2018 EQ4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5672565162 ± 4.04e-08
Semi-major axis (a)2.0116698059 AU ± 5.77e-08
Inclination (i)11.26835707° ± 3.82e-06
Long. of Asc. Node (Ω)140.26883528° ± 3.33e-05
Arg. of Perihelion (ω)350.65954276° ± 3.24e-05
Mean Anomaly (M)266.10724299° ± 3.95e-05
Mean Motion (n)0.3454436629°/day ± 1.49e-08
Perihelion dist (q)0.87053700 AU ± 8.50e-08
Aphelion dist (Q)3.15280261 AU ± 1.22e-07
Orbital Period2.85321860 yr ± 1.23e-07
Physical Parameters
H (abs. magnitude)19.57
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.251″
Uncertainty0
Orbit TypeApollo
MOID0.100436 AU
Observations Used204
Oppositions3
Arc Total2014-2018
First Observation Used2014-08-20
Last Observation Used2018-06-12
Observations (216)
Date Type RA Dec Mag Band Observatory
2018-05-25 07:41:55 C 15 38 58.54 +08 48 53.1 o 291
2018-06-02 08:12:08 C 15 29 32.88 +07 02 14.0 o 691
2018-06-02 08:25:34 C 15 29 32.33 +07 02 06.7 o 691
2018-06-02 08:38:53 C 15 29 31.73 +07 01 58.3 o 691
2018-06-03 07:20:20 C 15 28 37.42 +06 48 48.8 o 691
2018-06-03 07:46:32 C 15 28 36.35 +06 48 33.9 o 691
2018-06-03 08:12:40 C 15 28 35.25 +06 48 18.6 o 691
2018-06-03 09:46:29 C 15 28 31.42 +06 47 23.5 U I52
2018-06-03 09:49:58 C 15 28 31.25 +06 47 20.9 U I52
2018-06-03 09:55:21 C 15 28 31.02 +06 47 18.0 U I52
2018-06-09 07:45:23 C 15 23 48.30 +05 23 18.9 o 691
2018-06-09 07:58:53 C 15 23 47.96 +05 23 10.1 o 691
2018-06-09 08:12:22 C 15 23 47.57 +05 23 01.9 o 691
2018-06-12 05:56:18 C 15 22 03.41 +04 41 06.5 o 691
2018-06-12 06:06:01 C 15 22 03.15 +04 41 00.4 o 691
2018-06-12 06:15:44 C 15 22 02.94 +04 40 54.1 o 691