2018 EL4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1973328415 ± 4.26e-05
Semi-major axis (a)1.0639716963 AU ± 3.11e-05
Inclination (i)3.18266778° ± 6.86e-04
Long. of Asc. Node (Ω)168.49003736° ± 2.16e-04
Arg. of Perihelion (ω)271.03072249° ± 7.48e-04
Mean Anomaly (M)72.06341435° ± 1.07e-01
Mean Motion (n)0.8980844227°/day ± 3.94e-05
Perihelion dist (q)0.85401514 AU ± 5.18e-05
Aphelion dist (Q)1.27392825 AU ± 5.87e-05
Orbital Period1.09747620 yr ± 4.81e-05
Physical Parameters
H (abs. magnitude)25.35
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.356″
Uncertainty3
Orbit TypeApollo
MOID0.005153 AU
Observations Used81
Oppositions1
Arc Total2018-2018
First Observation Used2018-03-14
Last Observation Used2018-04-13
Observations (85)
Date Type RA Dec Mag Band Observatory
2018-03-20 03:09:00 C 09 44 17.06 +21 15 53.3 o 691
2018-03-20 03:15:36 C 09 44 18.53 +21 15 53.6 o 691
2018-03-20 03:22:17 C 09 44 20.02 +21 15 52.5 o 691
2018-03-20 04:17:42 C 09 44 31.14 +21 15 54.4 o 711
2018-03-20 04:22:10 C 09 44 32.14 +21 15 53.1 o 711
2018-03-20 04:26:43 C 09 44 33.09 +21 15 53.0 o 711
2018-03-22 03:08:28 C 09 55 21.60 +21 07 36.0 U I52
2018-03-22 03:12:09 C 09 55 22.29 +21 07 35.3 U I52
2018-03-22 03:15:50 C 09 55 22.86 +21 07 35.8 U I52
2018-03-22 03:19:30 C 09 55 23.62 +21 07 34.6 U I52
2018-03-22 04:26:52 C 09 55 35.97 +21 07 24.4 U V06
2018-03-22 04:32:34 C 09 55 36.99 +21 07 23.6 U V06
2018-03-23 04:25:37 C 10 00 28.01 +21 01 57.9 U V06
2018-03-23 04:42:48 C 10 00 30.87 +21 01 54.6 U V06
2018-03-23 04:51:24 C 10 00 32.23 +21 01 52.5 U V06
2018-03-30 09:10:21 C 10 27 05.362 +20 08 36.50 U T12
2018-03-30 09:13:53 C 10 27 05.717 +20 08 35.19 U T12
2018-03-30 09:17:28 C 10 27 06.077 +20 08 33.71 U T12
2018-03-30 09:21:04 C 10 27 06.455 +20 08 32.51 U T12
2018-03-30 09:24:46 C 10 27 06.815 +20 08 30.90 U T12
2018-04-04 06:39:32 C 10 40 04.29 +19 23 12.1 o 291
2018-04-04 07:03:53 C 10 40 06.32 +19 23 01.7 o 291
2018-04-04 07:28:15 C 10 40 08.40 +19 22 51.3 o 291
2018-04-05 02:47:36 C 10 42 04.97 +19 14 52.2 u H21
2018-04-05 03:13:44 C 10 42 07.09 +19 14 41.8 u H21
2018-04-05 03:33:17 C 10 42 08.66 +19 14 33.7 u H21
2018-04-05 07:16:20 C 10 42 27.96 +19 13 07.7 o 291
2018-04-05 07:31:54 C 10 42 29.25 +19 13 00.6 o 291
2018-04-05 07:47:27 C 10 42 30.51 +19 12 53.4 o 291
2018-04-08 04:04:55 C 10 48 48.59 +18 44 03.1 o 291
2018-04-08 05:07:15 C 10 48 53.10 +18 43 36.3 o 291
2018-04-13 06:07:39 C 10 58 51.930 +17 49 10.45 U T12
2018-04-13 06:23:42 C 10 58 52.964 +17 49 03.42 U T12
2018-04-13 06:34:51 C 10 58 53.675 +17 48 58.45 U T12
2018-04-13 06:45:42 C 10 58 54.360 +17 48 53.61 U T12