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
2018-04-08 11:50:18 C 17 06 45.28 +10 40 26.8 o 691
2018-04-08 11:53:02 C 17 06 45.08 +10 40 28.3 o 691
2018-04-11 11:21:36 C 17 01 59.45 +11 07 08.6 o 691
2018-04-11 11:32:02 C 17 01 58.69 +11 07 11.4 o 691
2018-04-11 11:42:27 C 17 01 57.92 +11 07 15.3 o 691
2018-04-12 09:52:29 C 17 00 24.92 +11 14 42.1 o 691
2018-04-12 10:06:55 C 17 00 23.82 +11 14 47.1 o 691
2018-04-12 10:22:50 C 17 00 22.63 +11 14 52.5 o 691
2018-04-14 11:01:13 C 16 56 49.29 +11 29 45.6 U G96
2018-04-14 11:07:54 C 16 56 48.76 +11 29 47.8 U G96
2018-04-14 11:14:35 C 16 56 48.22 +11 29 49.2 U G96
2018-04-14 11:21:16 C 16 56 47.69 +11 29 51.4 U G96
2018-04-17 02:41:30 C 16 51 55.72 +11 46 03.6 q A17
2018-04-17 02:55:41 C 16 51 54.55 +11 46 06.8 q A17
2018-04-17 03:09:53 C 16 51 53.36 +11 46 10.2 q A17
2018-04-19 08:12:04 C 16 47 38.22 +11 57 02.0 o 691
2018-04-19 08:14:18 C 16 47 38.03 +11 57 02.5 o 691
2018-04-19 08:16:33 C 16 47 37.82 +11 57 02.8 o 691
2018-04-23 09:49:55 C 16 39 25.80 +12 09 46.7 U 703
2018-04-23 09:57:35 C 16 39 25.15 +12 09 46.8 U 703
2018-04-23 10:05:15 C 16 39 24.41 +12 09 47.9 U 703
2018-04-23 10:12:55 C 16 39 23.85 +12 09 47.7 U 703
2018-04-23 10:43:56 C 16 39 20.94 +12 09 50.8 o 691
2018-04-23 10:48:12 C 16 39 20.55 +12 09 51.3 o 691
2018-04-23 10:52:29 C 16 39 20.15 +12 09 51.6 o 691
2018-04-24 11:15:43 C 16 37 14.00 +12 11 32.3 o 691
2018-04-24 11:24:47 C 16 37 13.17 +12 11 32.5 o 691
2018-04-24 11:33:50 C 16 37 12.33 +12 11 33.1 o 691
2018-04-26 06:47:32 C 16 33 27.92 +12 13 02.0 o 691
2018-04-26 07:06:42 C 16 33 26.19 +12 13 02.3 o 691
2018-04-29 09:15:45 C 16 26 54.85 +12 11 13.4 o 695
2018-04-29 09:21:57 C 16 26 54.27 +12 11 13.5 o 695
2018-04-29 09:28:10 C 16 26 53.70 +12 11 12.6 o 695
2018-05-04 10:36:17 C 16 16 16.12 +11 56 33.6 o 691
2018-05-04 10:49:32 C 16 16 14.91 +11 56 31.1 o 691
2018-05-04 11:02:47 C 16 16 13.73 +11 56 28.7 o 691
2018-05-04 11:09:40 C 16 16 13.11 +11 56 27.4 o 291
2018-05-04 11:14:50 C 16 16 12.64 +11 56 26.6 o 291
2018-05-04 11:20:01 C 16 16 12.18 +11 56 25.3 o 291
2018-05-06 08:59:42 C 16 12 16.52 +11 47 16.1 o 691
2018-05-06 09:02:22 C 16 12 16.28 +11 47 15.7 o 691
2018-05-06 09:15:21 C 16 12 15.09 +11 47 13.4 o 691
2018-05-08 09:53:47 C 16 08 07.67 +11 35 22.8 U I52
2018-05-08 09:56:48 C 16 08 07.39 +11 35 21.9 U I52
2018-05-08 10:01:13 C 16 08 07.01 +11 35 20.8 U I52
2018-05-08 10:24:32 C 16 08 04.93 +11 35 14.4 U I52
2018-05-09 09:45:44 C 16 06 08.32 +11 28 49.4 U I52
2018-05-09 09:49:49 C 16 06 07.97 +11 28 48.6 U I52
2018-05-09 09:51:25 C 16 06 07.85 +11 28 47.8 U I52
2018-05-10 09:09:22 C 16 04 12.91 +11 21 56.2 U G96