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
2018-05-10 09:16:53 C 16 04 12.27 +11 21 53.8 U G96
2018-05-10 09:24:25 C 16 04 11.61 +11 21 51.5 U G96
2018-05-10 09:31:55 C 16 04 10.97 +11 21 49.3 U G96
2018-05-10 10:22:27 C 16 04 06.65 +11 21 33.6 U I52
2018-05-10 10:23:32 C 16 04 06.59 +11 21 33.2 U I52
2018-05-10 10:25:20 C 16 04 06.42 +11 21 32.4 U I52
2018-05-10 10:26:26 C 16 04 06.33 +11 21 32.0 U I52
2018-05-10 10:55:39 C 16 04 03.87 +11 21 22.9 U I52
2018-05-10 11:00:08 C 16 04 03.51 +11 21 21.7 U I52
2018-05-10 11:03:58 C 16 04 03.19 +11 21 20.6 U I52
2018-05-10 11:07:42 C 16 04 02.82 +11 21 19.4 U I52
2018-05-11 06:18:31 C 16 02 30.38 +11 15 19.0 U I52
2018-05-11 06:23:14 C 16 02 29.97 +11 15 17.6 U I52
2018-05-11 06:27:57 C 16 02 29.59 +11 15 15.8 U I52
2018-05-11 06:32:39 C 16 02 29.19 +11 15 14.4 U I52
2018-05-11 10:29:57 C 16 02 09.22 +11 13 58.7 U I52
2018-05-11 10:35:41 C 16 02 08.74 +11 13 55.9 U I52
2018-05-11 10:41:26 C 16 02 08.29 +11 13 54.0 U I52
2018-05-15 00:30:11 C 15 55 26.44 +10 43 10.1 S 033
2018-05-15 00:34:36 C 15 55 26.11 +10 43 08.2 S 033
2018-05-15 00:38:58 C 15 55 25.75 +10 43 06.6 S 033
2018-05-15 01:28:27 C 15 55 21.87 +10 42 47.2 S 033
2018-05-15 01:32:51 C 15 55 21.55 +10 42 45.4 S 033
2018-05-15 01:37:13 C 15 55 21.20 +10 42 43.6 S 033
2018-05-19 07:59:12 C 15 47 59.19 +09 59 29.1 o 691
2018-05-19 08:14:51 C 15 47 58.05 +09 59 22.2 o 691
2018-05-19 08:30:20 C 15 47 56.95 +09 59 15.0 o 691
2018-05-20 10:11:30 C 15 46 12.91 +09 47 22.3 o 691
2018-05-20 10:20:34 C 15 46 12.31 +09 47 17.7 o 691
2018-05-20 10:29:27 C 15 46 11.71 +09 47 13.5 o 691
2018-05-21 07:17:30 C 15 44 50.50 +09 37 21.4 U G96
2018-05-21 07:24:55 C 15 44 49.99 +09 37 18.0 U G96
2018-05-21 07:32:21 C 15 44 49.46 +09 37 13.7 U G96
2018-05-21 07:39:47 C 15 44 48.97 +09 37 10.8 U G96
2018-05-22 08:55:11 C 15 43 12.29 +09 24 54.0 o 291
2018-05-22 09:01:40 C 15 43 11.85 +09 24 50.1 o 291
2018-05-22 09:08:07 C 15 43 11.43 +09 24 47.0 o 291
2018-05-22 10:26:18 C 15 43 06.32 +09 24 07.8 U I52
2018-05-22 10:28:24 C 15 43 06.19 +09 24 06.7 U I52
2018-05-22 10:30:30 C 15 43 06.07 +09 24 05.8 U I52
2018-05-22 10:32:36 C 15 43 05.92 +09 24 04.4 U I52
2018-05-23 06:23:54 C 15 41 53.09 +09 14 11.6 U I52
2018-05-23 06:27:31 C 15 41 52.88 +09 14 09.7 U I52
2018-05-23 06:37:05 C 15 41 52.29 +09 14 05.2 U I52
2018-05-24 08:31:37 C 15 40 18.81 +09 00 54.1 U I52
2018-05-24 08:34:40 C 15 40 18.63 +09 00 52.8 U I52
2018-05-24 08:42:44 C 15 40 18.11 +09 00 48.5 U I52
2018-05-24 08:47:47 C 15 40 17.80 +09 00 45.9 U I52
2018-05-25 07:05:25 C 15 39 00.71 +08 49 12.6 o 291
2018-05-25 07:23:40 C 15 38 59.62 +08 49 03.0 o 291