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
2014-08-20 12:45:01 C 00 58 49.214 -04 19 20.15 V F51
2014-08-20 13:37:51 C 00 58 48.814 -04 19 40.44 V F51
2014-08-27 11:38:25 C 00 57 08.609 -05 28 28.37 V F51
2014-08-27 11:54:47 C 00 57 08.331 -05 28 35.70 V F51
2014-08-27 12:11:15 C 00 57 08.072 -05 28 43.12 V F51
2014-08-27 12:27:40 C 00 57 07.797 -05 28 50.79 V F51
2014-08-30 12:04:58 C 00 55 54.862 -06 02 33.70 V F51
2014-08-30 12:05:55 C 00 55 54.847 -06 02 33.66 V F51
2014-08-30 12:20:52 C 00 55 54.548 -06 02 40.90 V F51
2014-08-30 12:21:49 C 00 55 54.503 -06 02 42.01 V F51
2014-08-30 12:36:49 C 00 55 54.198 -06 02 48.49 V F51
2014-08-30 12:37:46 C 00 55 54.164 -06 02 49.22 V F51
2014-08-30 12:52:42 C 00 55 53.841 -06 02 56.57 V F51
2014-08-30 12:53:39 C 00 55 53.833 -06 02 57.23 V F51
2014-09-14 10:43:28 C 00 45 11.029 -09 23 27.89 V F51
2014-09-14 11:00:16 C 00 45 10.287 -09 23 38.60 V F51
2014-09-14 11:17:00 C 00 45 09.590 -09 23 48.63 V F51
2014-09-14 11:33:46 C 00 45 08.899 -09 23 59.37 V F51
2014-09-22 11:15:51 C 00 36 20.033 -11 26 43.55 V F51
2014-09-22 11:34:16 C 00 36 19.048 -11 26 55.62 V F51
2014-09-22 11:52:45 C 00 36 18.068 -11 27 07.63 V F51
2014-09-24 10:27:01 C 00 33 53.057 -11 57 29.60 V F51
2014-09-24 10:45:32 C 00 33 52.056 -11 57 41.55 V F51
2014-09-24 11:03:59 C 00 33 51.024 -11 57 54.13 V F51
2014-09-24 11:22:30 C 00 33 50.006 -11 58 06.40 V F51
2017-09-02 13:51:50 C 02 45 59.829 +00 59 20.71 V F51
2017-09-02 14:11:30 C 02 46 00.583 +00 59 14.16 V F51
2017-09-02 14:31:04 C 02 46 01.364 +00 59 07.55 V F51
2017-09-14 12:40:26 C 02 56 40.180 -01 02 35.97 V F51
2017-09-14 12:56:33 C 02 56 40.661 -01 02 44.14 V F51
2017-09-14 13:12:42 C 02 56 41.140 -01 02 52.45 V F51
2017-09-17 13:47:54 C 02 58 56.300 -01 42 24.44 V F51
2017-09-17 14:24:17 C 02 58 57.288 -01 42 45.34 V F51
2017-09-17 14:42:25 C 02 58 57.775 -01 42 55.60 V F51
2017-09-22 11:29:19 C 03 02 07.988 -02 54 45.75 L F51
2017-09-22 12:05:04 C 03 02 08.761 -02 55 09.16 L F51
2017-09-22 12:22:58 C 03 02 09.158 -02 55 21.11 L F51
2017-10-19 09:01:18 C 03 05 53.40 -12 54 11.8 U G96
2017-10-19 09:08:50 C 03 05 53.26 -12 54 20.7 U G96
2017-10-19 09:32:36 C 03 05 52.75 -12 54 49.1 U G96
2017-10-19 09:40:09 C 03 05 52.59 -12 54 58.2 U G96
2017-12-10 17:20:02 S 01 47 08.306 -37 38 23.46 L C51
2017-12-10 18:54:17 S 01 46 59.638 -37 39 43.31 L C51
2017-12-10 23:37:02 S 01 46 33.523 -37 43 32.84 L C51
2018-03-13 09:02:00 S 17 30 48.70 +04 26 57.6 L C51
2018-03-13 12:10:29 S 17 30 45.52 +04 29 25.7 L C51
2018-03-13 15:18:59 S 17 30 42.22 +04 31 53.8 L C51
2018-03-13 16:53:15 S 17 30 40.54 +04 33 08.1 L C51
2018-03-13 21:35:49 S 17 30 35.47 +04 36 50.7 L C51
2018-03-13 23:10:04 S 17 30 33.84 +04 38 03.3 L C51