2017 HZ4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2167074856 ± 3.68e-05
Semi-major axis (a)0.9103443438 AU ± 6.00e-06
Inclination (i)1.79162761° ± 2.11e-04
Long. of Asc. Node (Ω)67.48020672° ± 4.59e-03
Arg. of Perihelion (ω)312.34082733° ± 2.32e-03
Mean Anomaly (M)162.08165355° ± 1.26e-02
Mean Motion (n)1.1347592429°/day ± 1.12e-05
Perihelion dist (q)0.71306591 AU ± 3.38e-05
Aphelion dist (Q)1.10762278 AU ± 3.43e-05
Orbital Period0.86857744 yr ± 8.59e-06
Physical Parameters
H (abs. magnitude)25.80
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.299″
Uncertainty2
Orbit TypeAten
MOID0.000245 AU
Observations Used57
Oppositions1
Arc Total2017-2017
First Observation Used2017-04-26
Last Observation Used2017-06-18
Observations (57)
Date Type RA Dec Mag Band Observatory
2017-05-27 06:56:31 C 11 13 03.874 +07 31 45.12 U T12
2017-05-30 06:57:10 C 10 57 10.241 +07 58 06.16 U T12
2017-05-30 07:08:49 C 10 57 07.484 +07 58 09.62 U T12
2017-05-30 07:13:39 C 10 57 06.356 +07 58 10.89 U T12
2017-06-18 23:28:30 C 09 33 19.417 +09 54 27.83 U 309
2017-06-18 23:42:08 C 09 33 16.978 +09 54 30.94 U 309
2017-06-18 23:55:55 C 09 33 14.526 +09 54 34.05 U 309