AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Ralpharvey ∴ Summary
Contact »
(4517) Ralpharvey  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.157 4.885e-09 au
e 0.175027 2.643e-08
i 4.194 2.371e-06 deg
Ω 32.062 4.061e-05 deg
ω 284.581 4.125e-05 deg
M 149.914 7.646e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    13.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7795 au
Aphelion 2.5345 au
Asc. node-Earth separation 1.00894 au
Desc. node-Earth separation 1.18225 au
Earth MOID 0.77171 au
Orbital period 1157.1 days
Date of orbit computation  feb 22 01:50
Observational summary
Optical observations (Discarded) 4165 (95)
Radar observations (Discarded) 0 (0)
Arc length 19306 days
Unobserved 56 days

More info »
Ephemeris at epoch 60398 MJD
Right Ascension 91.1885 deg
Declination 27.7244 deg
V Magnitude 18.46 mag
Solar Elongation -82.62 deg
Galactic Latitude 3.02 deg
Rate 0.27 deg/day
Direction 94.925 deg

More info »