AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2017WW21 ∴ Summary
Contact »
(540756) 2017WW21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.58765 4.751e-08 au
e 0.276292 1.737e-07
i 5.613 8.799e-06 deg
Ω 33.795 4.294e-05 deg
ω 10 5.2e-05 deg
M 196.92 2.745e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8727 au
Aphelion 3.3026 au
Asc. node-Earth separation 0.88585 au
Desc. node-Earth separation 2.27769 au
Earth MOID 0.88211 au
Orbital period 1520.4 days
Date of orbit computation  apr 23 21:45
Observational summary
Optical observations (Discarded) 344 (1)
Radar observations (Discarded) 0 (0)
Arc length 6261.2 days
Unobserved 406 days

More info »
Ephemeris at epoch 60427 MJD
Right Ascension 243.773 deg
Declination -24.4514 deg
V Magnitude 22.43 mag
Solar Elongation 150.5 deg
Galactic Latitude 18.79 deg
Rate 0.164 deg/day
Direction -89.671 deg

More info »