AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001HH31 ∴ Summary
Contact »
(159533) 2001HH31  ▹ 
SUMMARY

Warning: This object is a Near Earth Asteroid. You can have more detailed information looking at
its home page on the NEODyS web site

Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 1.65435 5.5e-09 au
e 0.288914 3.683e-08
i 12.853 4.95e-06 deg
Ω 71.611 1.499e-05 deg
ω 275.965 1.795e-05 deg
M 182.853 1.153e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.1764 au
Aphelion 2.1323 au
Asc. node-Earth separation 0.48703 au
Desc. node-Earth separation 0.54906 au
Earth MOID 0.29159 au
Orbital period 777.213 days
Date of orbit computation  apr 23 20:22
Observational summary
Optical observations (Discarded) 703 (7)
Radar observations (Discarded) 0 (0)
Arc length 9623.95 days
Unobserved 41 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 159.288 deg
Declination 27.8457 deg
V Magnitude 21.33 mag
Solar Elongation -114.03 deg
Galactic Latitude 60.3 deg
Rate 0.154 deg/day
Direction -174.393 deg

More info »