AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001HL4 ∴ Summary
Contact »
(139222) 2001HL4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.40883 1.086e-08 au
e 0.096844 4.493e-08
i 6.224 4.851e-06 deg
Ω 76.687 3.933e-05 deg
ω 188.345 4.635e-05 deg
M 18.212 2.628e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1756 au
Aphelion 2.6421 au
Asc. node-Earth separation 1.65487 au
Desc. node-Earth separation 1.16261 au
Earth MOID 1.15986 au
Orbital period 1365.55 days
Date of orbit computation  apr 23 20:17
Observational summary
Optical observations (Discarded) 1030 (16)
Radar observations (Discarded) 0 (0)
Arc length 8093.22 days
Unobserved 314 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 324.649 deg
Declination -18.0648 deg
V Magnitude 20.59 mag
Solar Elongation 73.99 deg
Galactic Latitude -44.85 deg
Rate 0.398 deg/day
Direction 77.474 deg

More info »