IAA RAS IAA Minor Planet Database

2017 EN4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6947777391 ± 5.05e-07
Semi-major axis (a)1.3337915292 AU ± 1.71e-08
Inclination (i)17.48839855° ± 3.19e-05
Long. of Asc. Node (Ω)38.44930994° ± 1.38e-04
Arg. of Perihelion (ω)261.03045950° ± 1.10e-04
Mean Anomaly (M)187.89516129° ± 4.08e-05
Mean Motion (n)0.6398531964°/day ± 1.23e-08
Perihelion dist (q)0.40710287 AU ± 6.73e-07
Aphelion dist (Q)2.26048019 AU ± 6.74e-07
Orbital Period1.54039440 yr ± 2.97e-08
Physical Parameters
H (abs. magnitude)20.35
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.263″
Uncertainty0
Orbit TypeApollo
MOID0.081310 AU
Observations Used49
Oppositions7
Arc Total2000-2020
First Observation Used2000-04-04
Last Observation Used2020-03-29
Observations (50)
Date Type RA Dec Mag Band Observatory
2000-04-04 05:34:19 C 08 31 08.92 +49 32 51.7 – n 645
2000-04-04 05:35:30 C 08 31 08.69 +49 32 50.4 – n 645
2000-04-04 05:39:05 C 08 31 08.06 +49 32 48.0 – n 645
2017-03-08 12:04:33 C 13 26 44.86 +46 01 47.0 – q G96
2017-03-08 12:17:02 C 13 26 44.31 +46 02 21.9 – q G96
2017-03-08 12:23:13 C 13 26 44.08 +46 02 38.4 – q G96
2017-03-08 12:44:02 C 13 26 43.18 +46 03 35.9 – q G96
2017-03-08 12:50:11 C 13 26 42.90 +46 03 52.4 – q G96
2017-03-08 12:54:44 C 13 26 42.71 +46 04 05.2 – q G96
2017-03-09 08:42:11 C 13 25 57.57 +47 00 26.9 – q I52
2017-03-09 08:45:07 C 13 25 57.37 +47 00 35.6 – q I52
2017-03-09 08:48:05 C 13 25 57.26 +47 00 44.4 – q I52
2017-03-09 08:51:02 C 13 25 57.15 +47 00 52.9 – q I52
2017-03-09 11:11:20 C 13 25 49.86 +47 07 38.8 – U H01
2017-03-09 11:16:48 C 13 25 49.58 +47 07 54.6 – U H01
2017-03-09 11:35:29 C 13 25 48.63 +47 08 48.4 – U H01
2017-03-09 11:41:27 C 13 25 48.33 +47 09 05.6 – U H01
2017-03-10 04:45:57 C 13 25 04.10 +47 59 31.1 – U H01
2017-03-10 04:52:37 C 13 25 03.73 +47 59 51.5 – U H01
2017-03-10 05:10:17 C 13 25 02.82 +48 00 45.7 – U H01
2017-03-10 05:20:12 C 13 25 02.30 +48 01 15.9 – U H01
2017-03-10 07:35:58 C 13 24 54.85 +48 08 11.3 – q I52
2017-03-10 07:38:51 C 13 24 54.72 +48 08 20.2 – q I52
2017-03-10 07:41:44 C 13 24 54.59 +48 08 29.2 – q I52
2017-03-10 07:44:42 C 13 24 54.42 +48 08 37.8 – q I52
2017-03-10 23:56:10 C 13 24 03.06 +48 58 15.2 – U 595
2017-03-11 00:09:43 C 13 24 02.20 +48 58 58.9 – U 595
2017-03-11 00:23:20 C 13 24 01.30 +48 59 41.4 – U 595
2017-03-13 02:20:39 C 13 20 43.22 +51 43 01.5 – U J95
2017-03-13 02:35:00 C 13 20 41.95 +51 43 50.5 – U J95
2017-03-13 02:49:25 C 13 20 40.63 +51 44 39.8 – U J95
2017-03-19 10:14:46 C 13 00 19.59 +61 45 16.1 – u 926
2017-03-19 10:20:44 C 13 00 18.24 +61 45 42.6 – u 926
2017-03-19 10:26:41 C 13 00 16.74 +61 46 09.5 – u 926
2017-03-27 06:13:14 C 11 02 21.10 +77 22 13.4 – q I52
2017-03-27 06:13:49 C 11 02 20.22 +77 22 16.5 – q I52
2017-03-27 06:14:25 C 11 02 19.30 +77 22 19.2 – q I52
2017-03-27 06:15:01 C 11 02 18.36 +77 22 22.1 – q I52
2017-03-31 05:24:47 C 06 55 34.773 +79 54 48.52 – U T12
2017-03-31 05:25:33 C 06 55 32.554 +79 54 46.34 – U T12
2017-03-31 05:26:24 C 06 55 30.079 +79 54 43.84 – U T12
2020-03-28 02:18:51 C 08 57 28.84 +49 36 05.3 – V 033
2020-03-28 02:24:05 C 08 57 27.93 +49 36 02.0 – V 033
2020-03-28 02:29:18 C 08 57 27.09 +49 35 59.6 – V 033
2020-03-28 19:54:52 C 08 54 37.22 +49 26 57.1 – V 033
2020-03-28 20:00:04 C 08 54 36.35 +49 26 54.4 – V 033
2020-03-28 20:05:17 C 08 54 35.47 +49 26 51.5 – V 033
2020-03-29 23:04:35 C 08 50 17.19 +49 11 36.4 – V 033
2020-03-29 23:09:48 C 08 50 16.33 +49 11 33.3 – V 033
2020-03-29 23:15:02 C 08 50 15.55 +49 11 29.8 – V 033