AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2017EW21 ∴ Summary
Contact »
(677899) 2017EW21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.31885 2.191e-08 au
e 0.137425 1.22e-07
i 8.229 9.317e-06 deg
Ω 149.94 7.287e-05 deg
ω 24.729 7.962e-05 deg
M 9.681 3.687e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0002 au
Aphelion 2.6375 au
Asc. node-Earth separation 1.03448 au
Desc. node-Earth separation 1.58863 au
Earth MOID 1.00935 au
Orbital period 1289.76 days
Date of orbit computation  apr 23 22:10
Observational summary
Optical observations (Discarded) 140 (5)
Radar observations (Discarded) 0 (0)
Arc length 9127.29 days
Unobserved 49 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 183.921 deg
Declination 10.1071 deg
V Magnitude 20.57 mag
Solar Elongation -143.17 deg
Galactic Latitude 71.01 deg
Rate 0.087 deg/day
Direction -62.998 deg

More info »