AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 1999WH20 ∴ Summary
Contact »
(243678) 1999WH20  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.54612 1.442e-08 au
e 0.162185 1.083e-07
i 26.785 5.524e-06 deg
Ω 238.271 1.196e-05 deg
ω 170.393 2.093e-05 deg
M 5.5 1.979e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.1332 au
Aphelion 2.9591 au
Asc. node-Earth separation 1.9392 au
Desc. node-Earth separation 1.15017 au
Earth MOID 1.14738 au
Orbital period 1483.95 days
Date of orbit computation  feb 22 02:42
Observational summary
Optical observations (Discarded) 977 (36)
Radar observations (Discarded) 0 (0)
Arc length 8829.79 days
Unobserved 101 days

More info »
Ephemeris at epoch 60398 MJD
Right Ascension 38.5872 deg
Declination 16.0259 deg
V Magnitude 20.61 mag
Solar Elongation -32.84 deg
Galactic Latitude -40.14 deg
Rate 0.513 deg/day
Direction 84.792 deg

More info »