AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Herba ∴ Summary
Contact »
(880) Herba  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.99917 8.803e-09 au
e 0.32284 2.87e-08
i 15.137 2.876e-06 deg
Ω 262.565 1.272e-05 deg
ω 100.883 1.333e-05 deg
M 153.058 5.197e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    11.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0309 au
Aphelion 3.9674 au
Asc. node-Earth separation 1.84501 au
Desc. node-Earth separation 1.54887 au
Earth MOID 1.0931 au
Orbital period 1897.14 days
Date of orbit computation  apr 23 19:46
Observational summary
Optical observations (Discarded) 4795 (93)
Radar observations (Discarded) 0 (0)
Arc length 38957.1 days
Unobserved 35 days

More info »
Ephemeris at epoch 60425 MJD
Right Ascension 153.423 deg
Declination -8.41791 deg
V Magnitude 17.75 mag
Solar Elongation -121.73 deg
Galactic Latitude 37.82 deg
Rate 0.08 deg/day
Direction -11.153 deg

More info »