2017 HE4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.9425712190 ± 9.33e-05
Semi-major axis (a)2.8926462801 AU ± 4.08e-03
Inclination (i)41.11246067° ± 2.30e-02
Long. of Asc. Node (Ω)208.62949467° ± 7.61e-03
Arg. of Perihelion (ω)158.99251881° ± 6.71e-03
Mean Anomaly (M)256.24427183° ± 1.30e+00
Mean Motion (n)0.2003407433°/day ± 4.24e-04
Perihelion dist (q)0.16612115 AU ± 3.57e-04
Aphelion dist (Q)5.61917141 AU ± 7.92e-03
Orbital Period4.91974956 yr ± 1.04e-02
Physical Parameters
H (abs. magnitude)21.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.405″
Uncertainty4
Orbit TypeApollo
MOID0.613566 AU
Observations Used59
Oppositions1
Arc Total2017-2017
First Observation Used2017-04-23
Last Observation Used2017-05-14
Observations (59)
Date Type RA Dec Mag Band Observatory
2017-05-03 11:26:37 C 15 15 14.01 +30 26 27.9 q G96
2017-05-03 11:27:11 C 15 15 13.89 +30 26 33.1 q G96
2017-05-14 04:23:38 C 12 45 26.41 +64 18 56.5 q I52
2017-05-14 04:27:13 C 12 45 21.99 +64 19 17.8 q I52
2017-05-14 04:30:47 C 12 45 17.70 +64 19 38.5 q I52
2017-05-14 04:34:22 C 12 45 13.31 +64 19 59.3 q I52
2017-05-14 04:38:42 C 12 45 07.94 +64 20 24.9 q I52
2017-05-14 04:40:48 C 12 45 05.42 +64 20 37.4 q I52
2017-05-14 04:42:54 C 12 45 02.87 +64 20 48.9 q I52