AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001HB57 ∴ Summary
Contact »
(390573) 2001HB57  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 1.90354 8.179e-09 au
e 0.061474 1.026e-07
i 22.071 7.266e-06 deg
Ω 46.715 1.259e-05 deg
ω 179.562 4.262e-05 deg
M 241.833 4.179e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    17.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.7865 au
Aphelion 2.0206 au
Asc. node-Earth separation 1.0308 au
Desc. node-Earth separation 0.77734 au
Earth MOID 0.77712 au
Orbital period 959.271 days
Date of orbit computation  feb 22 03:12
Observational summary
Optical observations (Discarded) 381 (2)
Radar observations (Discarded) 0 (0)
Arc length 8316 days
Unobserved 108 days

More info »
Ephemeris at epoch 60418 MJD
Right Ascension 78.729 deg
Declination 38.9996 deg
V Magnitude 22.05 mag
Solar Elongation -54.44 deg
Galactic Latitude 0.24 deg
Rate 0.493 deg/day
Direction 85.832 deg

More info »