AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998HQ42 ∴ Summary
Contact »
(55947) 1998HQ42  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.20588 2.07e-08 au
e 0.036394 3.381e-08
i 21.635 3.977e-06 deg
Ω 64.191 1.083e-05 deg
ω 230.309 6.297e-05 deg
M 120.173 6.182e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    13.5 mag
Slope parameter (G)    0.15 mag
Perihelion 3.0892 au
Aphelion 3.3226 au
Asc. node-Earth separation 2.29171 au
Desc. node-Earth separation 2.11591 au
Earth MOID 2.10035 au
Orbital period 2096.62 days
Date of orbit computation  feb 22 02:01
Observational summary
Optical observations (Discarded) 2261 (169)
Radar observations (Discarded) 0 (0)
Arc length 9396.78 days
Unobserved 73 days

More info »
Ephemeris at epoch 60397 MJD
Right Ascension 45.0527 deg
Declination 15.0118 deg
V Magnitude 19.8 mag
Solar Elongation -39.51 deg
Galactic Latitude -37.54 deg
Rate 0.319 deg/day
Direction 63.844 deg

More info »