AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Joannehsieh ∴ Summary
Contact »
(17988) Joannehsieh  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.37834 6.195e-09 au
e 0.074292 3.437e-08
i 6.019 3.59e-06 deg
Ω 180.916 2.951e-05 deg
ω 47.622 3.625e-05 deg
M 292.089 2.082e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2016 au
Aphelion 2.555 au
Asc. node-Earth separation 1.25626 au
Desc. node-Earth separation 1.48729 au
Earth MOID 1.19754 au
Orbital period 1339.7 days
Date of orbit computation  apr 23 19:49
Observational summary
Optical observations (Discarded) 2923 (18)
Radar observations (Discarded) 0 (0)
Arc length 12584.9 days
Unobserved 38 days

More info »
Ephemeris at epoch 60427 MJD
Right Ascension 136.246 deg
Declination 14.0479 deg
V Magnitude 19.09 mag
Solar Elongation -97.64 deg
Galactic Latitude 35.86 deg
Rate 0.225 deg/day
Direction 94.22 deg

More info »