2018 ED4

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6289488352 ± 1.09e-06
Semi-major axis (a)2.6465159912 AU ± 4.86e-05
Inclination (i)15.03627992° ± 1.67e-04
Long. of Asc. Node (Ω)273.94811971° ± 4.38e-04
Arg. of Perihelion (ω)351.13514653° ± 4.58e-04
Mean Anomaly (M)243.07284023° ± 1.36e-02
Mean Motion (n)0.2289288320°/day ± 6.31e-06
Perihelion dist (q)0.98199284 AU ± 1.83e-05
Aphelion dist (Q)4.31103914 AU ± 7.92e-05
Orbital Period4.30538292 yr ± 1.19e-04
Physical Parameters
H (abs. magnitude)19.65
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.334″
Uncertainty2
Orbit TypeApollo
MOID0.030419 AU
Observations Used52
Oppositions1
Arc Total2018-2018
First Observation Used2018-02-13
Last Observation Used2018-09-28
Observations (52)
Date Type RA Dec Mag Band Observatory
2018-02-13 05:40:11 C 09 41 10.211 -07 56 30.62 V W84
2018-02-21 06:14:49 C 09 29 14.045 -07 58 17.73 V W84
2018-02-22 05:35:33 C 09 27 44.784 -07 57 17.89 V W84
2018-02-25 01:23:26 C 09 23 24.997 -07 52 56.46 V W84
2018-03-10 07:20:23 C 09 03 54.148 -07 06 33.68 U F51
2018-03-10 07:37:34 C 09 03 53.139 -07 06 29.67 U F51
2018-03-10 07:54:42 C 09 03 52.158 -07 06 26.40 U F51
2018-03-12 00:14:29 C 09 01 37.61 -06 57 49.8 U 807
2018-03-12 00:25:19 C 09 01 37.02 -06 57 47.5 U 807
2018-03-12 00:36:32 C 09 01 36.43 -06 57 44.4 U 807
2018-03-12 03:36:46 C 09 01 26.50 -06 57 13.1 o 291
2018-03-12 03:49:14 C 09 01 25.78 -06 57 10.8 o 291
2018-03-12 04:01:41 C 09 01 25.11 -06 57 08.5 o 291
2018-03-13 04:26:21 C 09 00 06.00 -06 51 44.8 o 291
2018-03-13 04:38:47 C 09 00 05.35 -06 51 42.2 o 291
2018-03-13 04:45:04 C 09 00 04.82 -06 51 40.9 u H21
2018-03-13 04:51:15 C 09 00 04.68 -06 51 38.7 o 291
2018-03-13 04:54:22 C 09 00 04.33 -06 51 39.0 u H21
2018-03-13 05:06:55 C 09 00 03.63 -06 51 36.2 u H21
2018-03-14 02:31:42 C 08 58 56.12 -06 46 45.1 u H21
2018-03-14 02:49:13 C 08 58 55.19 -06 46 41.1 u H21
2018-03-14 03:08:29 C 08 58 54.15 -06 46 36.6 u H21
2018-03-14 04:49:30 C 08 58 48.82 -06 46 12.5 q 734
2018-03-14 05:21:11 C 08 58 46.99 -06 46 06.4 q 734
2018-03-16 05:12:47 C 08 56 21.59 -06 34 48.4 o 291
2018-03-16 05:34:20 C 08 56 20.45 -06 34 43.1 o 291
2018-03-17 06:02:06 C 08 55 09.07 -06 28 46.4 o 291
2018-03-17 06:15:00 C 08 55 08.43 -06 28 43.0 o 291
2018-03-17 06:27:55 C 08 55 07.79 -06 28 39.8 o 291
2018-03-20 06:19:22 C 08 51 51.25 -06 10 35.1 o 291
2018-03-20 06:39:53 C 08 51 50.32 -06 10 30.3 o 291
2018-03-21 04:49:07 C 08 50 53.98 -06 04 46.3 o 711
2018-03-21 04:54:35 C 08 50 53.76 -06 04 45.7 o 711
2018-03-21 05:00:05 C 08 50 53.49 -06 04 43.2 o 711
2018-03-21 05:06:46 C 08 50 53.21 -06 04 41.6 o 711
2018-03-21 05:12:17 C 08 50 53.01 -06 04 40.6 o 711
2018-03-22 03:59:58 C 08 49 57.13 -05 58 43.6 U V06
2018-03-22 04:13:25 C 08 49 56.61 -05 58 39.9 U V06
2018-03-30 09:02:29 C 08 43 26.517 -05 06 09.28 U T12
2018-04-11 01:37:35 C 08 39 18.88 -03 54 38.2 u H21
2018-04-11 01:51:02 C 08 39 18.82 -03 54 35.2 u H21
2018-04-11 02:05:59 C 08 39 18.74 -03 54 31.6 u H21
2018-05-09 04:17:15 C 08 53 46.66 -02 09 19.0 o 291
2018-05-09 04:44:11 C 08 53 47.85 -02 09 17.4 o 291
2018-06-01 03:49:19 C 09 27 55.02 -02 24 02.7 o 291
2018-06-01 04:10:23 C 09 27 56.62 -02 24 04.8 o 291
2018-08-02 06:00:25 C 12 35 10.957 -09 33 14.54 V T12
2018-09-03 00:05:26 C 15 14 23.80 -11 45 34.5 U 807
2018-09-03 00:12:48 C 15 14 25.42 -11 45 34.1 U 807
2018-09-03 00:20:09 C 15 14 27.07 -11 45 33.7 U 807