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
2018-03-15 02:47:15 C 17 30 04.56 +04 58 58.3 S 033
2018-03-15 02:52:17 C 17 30 04.45 +04 59 01.9 S 033
2018-03-15 02:57:22 C 17 30 04.34 +04 59 05.6 S 033
2018-03-15 04:03:37 C 17 30 02.77 +04 59 56.8 S 033
2018-03-15 04:08:41 C 17 30 02.64 +05 00 00.4 S 033
2018-03-15 04:13:46 C 17 30 02.53 +05 00 04.4 S 033
2018-03-16 08:42:50 C 17 29 28.85 +05 21 57.7 U 807
2018-03-16 08:51:25 C 17 29 28.62 +05 22 04.1 U 807
2018-03-16 09:00:36 C 17 29 28.38 +05 22 11.0 U 807
2018-03-17 09:31:22 C 17 28 57.44 +05 39 40.4 U I52
2018-03-17 09:37:03 C 17 28 57.31 +05 39 45.2 U I52
2018-03-17 09:42:44 C 17 28 57.18 +05 39 49.2 U I52
2018-03-17 09:46:17 C 17 28 57.08 +05 39 52.3 U I52
2018-03-19 10:26:18 C 17 27 48.09 +06 14 22.7 U I52
2018-03-19 10:32:48 C 17 27 47.81 +06 14 27.6 U I52
2018-03-19 10:39:18 C 17 27 47.60 +06 14 32.1 U I52
2018-03-19 11:43:47 C 17 27 45.65 +06 15 16.9 o 691
2018-03-19 11:47:02 C 17 27 45.57 +06 15 19.2 o 691
2018-03-19 11:50:16 C 17 27 45.44 +06 15 22.0 o 691
2018-03-20 09:38:06 C 17 27 12.18 +06 30 19.2 U I52
2018-03-20 09:48:16 C 17 27 11.86 +06 30 25.8 U I52
2018-03-20 09:54:17 C 17 27 11.65 +06 30 29.7 U I52
2018-03-20 09:58:48 C 17 27 11.52 +06 30 32.8 U I52
2018-03-21 12:05:26 C 17 26 27.63 +06 48 07.6 U I52
2018-03-21 12:11:39 C 17 26 27.39 +06 48 11.7 U I52
2018-03-21 12:16:16 C 17 26 27.23 +06 48 14.9 U I52
2018-03-21 12:21:05 C 17 26 27.08 +06 48 18.1 U I52
2018-03-27 09:48:35 C 17 21 40.99 +08 16 36.7 U I52
2018-03-27 09:53:59 C 17 21 40.75 +08 16 40.2 U I52
2018-03-27 09:59:21 C 17 21 40.55 +08 16 43.2 U I52
2018-03-27 10:04:18 C 17 21 40.44 +08 16 46.0 U I52
2018-03-27 11:36:42 C 17 21 36.25 +08 17 41.0 o 291
2018-03-27 11:42:06 C 17 21 36.00 +08 17 43.9 o 291
2018-03-29 10:47:45 C 17 19 39.40 +08 44 32.3 U G96
2018-03-29 10:55:59 C 17 19 38.99 +08 44 37.0 U G96
2018-03-29 11:04:15 C 17 19 38.56 +08 44 41.1 U G96
2018-03-29 11:12:30 C 17 19 38.17 +08 44 46.2 U G96
2018-03-31 09:16:05 C 17 17 33.20 +09 09 40.7 u H21
2018-03-31 09:19:19 C 17 17 33.04 +09 09 42.4 u H21
2018-03-31 09:27:22 C 17 17 32.62 +09 09 46.7 u H21
2018-04-03 09:38:50 C 17 13 55.28 +09 46 21.2 o 691
2018-04-03 09:53:23 C 17 13 54.50 +09 46 28.0 o 691
2018-04-03 10:08:44 C 17 13 53.59 +09 46 34.9 o 691
2018-04-05 11:05:52 C 17 11 10.30 +10 09 28.2 o 691
2018-04-05 11:19:36 C 17 11 09.46 +10 09 34.1 o 691
2018-04-05 11:33:17 C 17 11 08.58 +10 09 40.8 o 691
2018-04-07 02:49:18 C 17 08 49.02 +10 26 44.4 q A17
2018-04-07 03:06:21 C 17 08 47.97 +10 26 52.1 q A17
2018-04-07 03:23:23 C 17 08 46.87 +10 27 00.1 q A17
2018-04-08 11:47:34 C 17 06 45.51 +10 40 27.3 o 691