AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001QB157 ∴ Summary
Contact »
(57284) 2001QB157  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.34621 8.037e-09 au
e 0.037454 3.674e-08
i 8.769 4.032e-06 deg
Ω 177.63 2.367e-05 deg
ω 218.489 6.275e-05 deg
M 44.919 5.697e-05 deg

More info »
Other useful info
Absolute Magnitude (H)    15.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2583 au
Aphelion 2.4341 au
Asc. node-Earth separation 1.41847 au
Desc. node-Earth separation 1.27262 au
Earth MOID 1.26709 au
Orbital period 1312.65 days
Date of orbit computation  apr 23 19:58
Observational summary
Optical observations (Discarded) 1248 (4)
Radar observations (Discarded) 0 (0)
Arc length 9257.7 days
Unobserved 36 days

More info »
Ephemeris at epoch 60426 MJD
Right Ascension 74.8387 deg
Declination 15.9319 deg
V Magnitude 20.79 mag
Solar Elongation -39.89 deg
Galactic Latitude -16.07 deg
Rate 0.466 deg/day
Direction 81.552 deg

More info »