AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Roberthargraves ∴ Summary
Contact »
(13937) Roberthargraves  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.54134 8.376e-09 au
e 0.243685 2.68e-08
i 29.588 3.341e-06 deg
Ω 137.869 7.391e-06 deg
ω 195.044 1.242e-05 deg
M 193.915 1.185e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    14.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9221 au
Aphelion 3.1606 au
Asc. node-Earth separation 2.14027 au
Desc. node-Earth separation 0.92173 au
Earth MOID 0.91721 au
Orbital period 1479.76 days
Date of orbit computation  feb 22 01:53
Observational summary
Optical observations (Discarded) 3385 (596)
Radar observations (Discarded) 0 (0)
Arc length 12600.1 days
Unobserved 81 days

More info »
Ephemeris at epoch 60423 MJD
Right Ascension 152.329 deg
Declination 28.1017 deg
V Magnitude 19.5 mag
Solar Elongation -110.39 deg
Galactic Latitude 54.24 deg
Rate 0.008 deg/day
Direction 82.896 deg

More info »