AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998HP21 ∴ Summary
Contact »
(52733) 1998HP21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.12065 2.14e-08 au
e 0.173288 3.863e-08
i 15.483 5.293e-06 deg
Ω 200.124 1.583e-05 deg
ω 288.527 2.197e-05 deg
M 313.003 1.611e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5799 au
Aphelion 3.6614 au
Asc. node-Earth separation 1.8672 au
Desc. node-Earth separation 2.20633 au
Earth MOID 1.64328 au
Orbital period 2013.57 days
Date of orbit computation  feb 22 02:01
Observational summary
Optical observations (Discarded) 896 (5)
Radar observations (Discarded) 0 (0)
Arc length 11169 days
Unobserved 73 days

More info »
Ephemeris at epoch 60398 MJD
Right Ascension 49.5564 deg
Declination 9.2703 deg
V Magnitude 20.56 mag
Solar Elongation -41.92 deg
Galactic Latitude -39.11 deg
Rate 0.37 deg/day
Direction 76.483 deg

More info »