AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Donaldhowk ∴ Summary
Contact »
(20553) Donaldhowk  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.30163 7.618e-09 au
e 0.107041 4.171e-08
i 2.785 4.463e-06 deg
Ω 304.764 8.988e-05 deg
ω 269.909 9.346e-05 deg
M 122.62 2.678e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0553 au
Aphelion 2.548 au
Asc. node-Earth separation 1.26065 au
Desc. node-Earth separation 1.29062 au
Earth MOID 1.05089 au
Orbital period 1275.41 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 1860 (7)
Radar observations (Discarded) 0 (0)
Arc length 11855.7 days
Unobserved 244 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 3.76566 deg
Declination 3.33153 deg
V Magnitude 20.14 mag
Solar Elongation 30.21 deg
Galactic Latitude -58.3 deg
Rate 0.436 deg/day
Direction 65.424 deg

More info »