2017 HJ1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5355694118 ± 7.25e-06
Semi-major axis (a)2.1248805324 AU ± 3.50e-05
Inclination (i)19.31127201° ± 2.12e-04
Long. of Asc. Node (Ω)20.81202214° ± 8.91e-05
Arg. of Perihelion (ω)261.16683354° ± 4.97e-05
Mean Anomaly (M)252.97547047° ± 2.37e-02
Mean Motion (n)0.3182075646°/day ± 7.85e-06
Perihelion dist (q)0.98685952 AU ± 2.24e-05
Aphelion dist (Q)3.26290155 AU ± 5.58e-05
Orbital Period3.09743197 yr ± 7.64e-05
Physical Parameters
H (abs. magnitude)21.60
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.300″
Uncertainty2
Orbit TypeApollo
MOID0.216474 AU
Observations Used54
Oppositions1
Arc Total2017-2017
First Observation Used2017-03-20
Last Observation Used2017-09-21
Observations (55)
Date Type RA Dec Mag Band Observatory
2017-09-21 07:39:38 C 00 56 30.94 -23 59 47.0 o 926
2017-09-21 07:46:41 C 00 56 29.87 -23 59 33.0 o 926
2017-09-21 08:12:04 C 00 56 25.91 -23 58 44.1 o 926
2017-09-21 08:19:06 C 00 56 24.79 -23 58 30.7 o 926
2017-09-21 08:26:07 C 00 56 23.73 -23 58 17.5 o 926