2017 EF4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4421497000
Semi-major axis (a)1.8068116000 AU
Inclination (i)9.87360000°
Long. of Asc. Node (Ω)163.11791000°
Arg. of Perihelion (ω)2.32346000°
Mean Anomaly (M)210.98245000°
Mean Motion (n)0.4058212400°/day
Perihelion dist (q)1.00793040 AU
Aphelion dist (Q)2.60569280 AU
Orbital Period2.42867450 yr
Physical Parameters
H (abs. magnitude)26.26
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.390″
Uncertainty7
Orbit TypeAmor
MOID0.016489 AU
Observations Used31
Oppositions1
Arc Total
First Observation Used
Last Observation Used2017-03-17
Observations (31)
Date Type RA Dec Mag Band Observatory
2017-03-02 03:33:35 C 07 13 49.13 +04 02 34.5 V G96
2017-03-08 05:19:32 C 11 06 51.94 +47 50 34.9 q G96
2017-03-08 05:27:41 C 11 07 14.37 +47 52 13.4 q G96
2017-03-08 05:41:24 C 11 07 52.22 +47 54 57.2 q G96
2017-03-08 06:15:54 C 11 09 25.20 +48 01 38.7 U H01
2017-03-08 06:18:50 C 11 09 35.61 +48 02 19.2 q G96
2017-03-08 06:20:15 C 11 09 39.64 +48 02 35.9 q G96
2017-03-08 06:21:48 C 11 09 43.85 +48 02 53.3 q G96
2017-03-08 06:23:09 C 11 09 47.56 +48 03 08.9 q G96
2017-03-08 06:26:36 C 11 09 54.71 +48 03 41.7 U H01
2017-03-08 06:33:08 C 11 10 12.75 +48 04 56.3 U H01
2017-03-08 06:47:03 C 11 10 51.13 +48 07 33.7 U H01
2017-03-08 10:28:24 C 11 21 06.69 +48 45 11.1 q G96
2017-03-08 10:31:08 C 11 21 14.37 +48 45 35.7 q G96
2017-03-08 10:32:34 C 11 21 18.39 +48 45 48.7 q G96
2017-03-08 10:33:58 C 11 21 22.27 +48 46 01.5 q G96
2017-03-09 08:59:51 C 12 25 30.92 +51 05 35.0 q G96
2017-03-09 09:02:35 C 12 25 37.85 +51 05 42.4 q G96
2017-03-09 09:05:16 C 12 25 44.73 +51 05 49.8 q G96
2017-03-09 09:05:51 C 12 25 46.27 +51 05 51.3 q G96
2017-03-09 09:15:29 C 12 26 08.74 +51 06 03.9 U H01
2017-03-09 09:23:15 C 12 26 28.57 +51 06 23.4 U H01
2017-03-09 09:35:15 C 12 26 59.18 +51 06 52.7 U H01
2017-03-09 09:47:35 C 12 27 30.61 +51 07 21.5 U H01
2017-03-10 08:23:42 C 13 23 03.86 +51 12 16.4 q G96
2017-03-10 08:24:29 C 13 23 05.43 +51 12 14.7 q G96
2017-03-10 08:27:43 C 13 23 12.04 +51 12 10.2 q G96
2017-03-10 08:28:18 C 13 23 13.20 +51 12 09.8 q G96
2017-03-17 08:01:09 C 15 59 54.40 +40 56 29.8 t 705
2017-03-17 08:02:37 C 15 59 54.84 +40 56 25.9 t 705
2017-03-17 08:04:04 C 15 59 55.30 +40 56 22.4 t 705