2018 EM4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2715649000
Semi-major axis (a)1.2814060000 AU
Inclination (i)2.88483000°
Long. of Asc. Node (Ω)6.39953000°
Arg. of Perihelion (ω)227.77250000°
Mean Anomaly (M)71.03095000°
Mean Motion (n)0.6794757000°/day
Perihelion dist (q)0.93342110 AU
Aphelion dist (Q)1.62939090 AU
Orbital Period1.45054140 yr
Physical Parameters
H (abs. magnitude)25.30
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.310″
Uncertainty6
Orbit TypeApollo
MOID0.001512 AU
Observations Used42
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-03-29
Observations (42)
Date Type RA Dec Mag Band Observatory
2018-03-06 07:24:54 C 10 45 14.023 +21 17 21.96 U F51
2018-03-06 07:41:54 C 10 45 12.339 +21 17 30.45 U F51
2018-03-06 07:58:51 C 10 45 10.652 +21 17 38.56 U F51
2018-03-06 08:15:53 C 10 45 08.904 +21 17 46.52 U F51
2018-03-14 06:02:10 C 10 24 11.88 +22 35 35.2 U G96
2018-03-14 06:09:34 C 10 24 10.42 +22 35 39.8 U G96
2018-03-14 06:24:25 C 10 24 07.59 +22 35 45.7 U G96
2018-03-14 20:54:13 C 10 21 56.41 +22 41 40.5 U J04
2018-03-14 21:01:44 C 10 21 55.01 +22 41 44.5 U J04
2018-03-15 05:52:13 C 10 20 18.40 +22 45 07.8 u H21
2018-03-15 05:56:44 C 10 20 17.49 +22 45 09.2 u H21
2018-03-15 06:04:21 C 10 20 15.92 +22 45 12.0 u H21
2018-03-16 04:25:29 C 10 16 20.56 +22 54 21.8 u H21
2018-03-16 04:30:41 C 10 16 19.42 +22 54 24.1 u H21
2018-03-16 04:36:13 C 10 16 18.19 +22 54 26.4 u H21
2018-03-16 07:04:22 C 10 15 48.16 +22 55 42.8 U I52
2018-03-16 07:05:27 C 10 15 47.88 +22 55 42.9 U I52
2018-03-16 07:06:33 C 10 15 47.58 +22 55 43.2 U I52
2018-03-16 07:07:39 C 10 15 47.34 +22 55 43.4 U I52
2018-03-19 05:00:55 C 10 00 12.50 +23 23 01.8 U I52
2018-03-19 05:02:01 C 10 00 12.18 +23 23 02.4 U I52
2018-03-19 05:03:06 C 10 00 11.80 +23 23 02.5 U I52
2018-03-19 05:04:12 C 10 00 11.47 +23 23 03.4 U I52
2018-03-20 04:17:30 C 09 53 38.91 +23 31 13.2 U I52
2018-03-20 04:18:06 C 09 53 38.72 +23 31 13.5 U I52
2018-03-20 04:18:42 C 09 53 38.50 +23 31 13.9 U I52
2018-03-20 04:19:18 C 09 53 38.30 +23 31 13.9 U I52
2018-03-22 21:12:57 C 09 29 33.68 +23 47 20.2 U 204
2018-03-22 21:32:29 C 09 29 23.80 +23 47 22.5 U 204
2018-03-22 21:51:33 C 09 29 14.12 +23 47 23.9 U 204
2018-03-23 04:25:05 C 09 26 15.49 +23 49 08.4 U I52
2018-03-23 04:26:11 C 09 26 14.89 +23 49 09.4 U I52
2018-03-23 04:27:16 C 09 26 14.31 +23 49 09.2 U I52
2018-03-23 04:28:22 C 09 26 13.71 +23 49 09.1 U I52
2018-03-28 03:21:15 C 07 52 35.71 +22 13 53.0 U I52
2018-03-28 03:21:30 C 07 52 35.35 +22 13 52.2 U I52
2018-03-28 03:21:46 C 07 52 34.99 +22 13 52.1 U I52
2018-03-28 03:22:02 C 07 52 34.65 +22 13 50.2 U I52
2018-03-29 02:51:22 C 07 20 19.41 +20 50 23.1 U I52
2018-03-29 02:51:43 C 07 20 18.84 +20 50 21.4 U I52
2018-03-29 02:52:03 C 07 20 18.27 +20 50 20.4 U I52
2018-03-29 02:52:24 C 07 20 17.69 +20 50 18.5 U I52