AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998HH42 ∴ Summary
Contact »
(190321) 1998HH42  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.59904 1.201e-08 au
e 0.167907 3.674e-08
i 5.443 4.281e-06 deg
Ω 149.676 5.482e-05 deg
ω 329.207 5.777e-05 deg
M 139.103 1.994e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1626 au
Aphelion 3.0354 au
Asc. node-Earth separation 1.21924 au
Desc. node-Earth separation 1.94064 au
Earth MOID 1.18113 au
Orbital period 1530.44 days
Date of orbit computation  feb 22 02:30
Observational summary
Optical observations (Discarded) 668 (4)
Radar observations (Discarded) 0 (0)
Arc length 10597.3 days
Unobserved 342 days

More info »
Ephemeris at epoch 60420 MJD
Right Ascension 293.005 deg
Declination -16.5779 deg
V Magnitude 21.65 mag
Solar Elongation 97.95 deg
Galactic Latitude -16.28 deg
Rate 0.136 deg/day
Direction 74.075 deg

More info »