AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1997HK16 ∴ Summary
Contact »
(20223) 1997HK16  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.95291 1.162e-08 au
e 0.105309 3.853e-08
i 1.221 4.339e-06 deg
Ω 355.944 0.0001494 deg
ω 17.653 0.0001502 deg
M 293.9 1.765e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    13.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6419 au
Aphelion 3.2639 au
Asc. node-Earth separation 1.64979 au
Desc. node-Earth separation 2.25116 au
Earth MOID 1.64244 au
Orbital period 1853.42 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 2258 (14)
Radar observations (Discarded) 0 (0)
Arc length 11440.6 days
Unobserved 262 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 323.805 deg
Declination -15.3762 deg
V Magnitude 19.37 mag
Solar Elongation 73.85 deg
Galactic Latitude -43.1 deg
Rate 0.295 deg/day
Direction 71.602 deg

More info »