AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998HR66 ∴ Summary
Contact »
(175738) 1998HR66  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.05335 1.765e-08 au
e 0.143717 4.222e-08
i 11.505 6.465e-06 deg
Ω 187.125 2.149e-05 deg
ω 119.54 3.273e-05 deg
M 224.531 2.369e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6145 au
Aphelion 3.4922 au
Asc. node-Earth separation 2.22032 au
Desc. node-Earth separation 1.79167 au
Earth MOID 1.62377 au
Orbital period 1948.79 days
Date of orbit computation  Jun 5 01:14
Observational summary
Optical observations (Discarded) 950 (8)
Radar observations (Discarded) 0 (0)
Arc length 10771.3 days
Unobserved 64 days

More info »
Ephemeris at epoch 60470 MJD
Right Ascension 155.372 deg
Declination 7.03877 deg
V Magnitude 21.23 mag
Solar Elongation -76.3 deg
Galactic Latitude 49.18 deg
Rate 0.205 deg/day
Direction 99.713 deg

More info »