AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1998HP1 ∴ Summary
Contact »
(74021) 1998HP1  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.34841 8.307e-09 au
e 0.126916 3.931e-08
i 5.343 4.42e-06 deg
Ω 54.648 4.716e-05 deg
ω 191.871 5.059e-05 deg
M 49.612 1.974e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0504 au
Aphelion 2.6465 au
Asc. node-Earth separation 1.65025 au
Desc. node-Earth separation 1.04429 au
Earth MOID 1.03719 au
Orbital period 1314.5 days
Date of orbit computation  apr 23 20:02
Observational summary
Optical observations (Discarded) 763 (6)
Radar observations (Discarded) 0 (0)
Arc length 9181.3 days
Unobserved 321 days

More info »
Ephemeris at epoch 60427 MJD
Right Ascension 342.674 deg
Declination -12.2609 deg
V Magnitude 21.33 mag
Solar Elongation 57.65 deg
Galactic Latitude -58.06 deg
Rate 0.439 deg/day
Direction 70.354 deg

More info »