AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Masterman ∴ Summary
Contact »
(21561) Masterman  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.68245 8.601e-09 au
e 0.165228 3.272e-08
i 13.954 3.671e-06 deg
Ω 57.794 1.17e-05 deg
ω 334.682 1.525e-05 deg
M 292.512 9.394e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    13.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2392 au
Aphelion 3.1257 au
Asc. node-Earth separation 1.28282 au
Desc. node-Earth separation 2.05568 au
Earth MOID 1.25458 au
Orbital period 1604.71 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 3445 (267)
Radar observations (Discarded) 0 (0)
Arc length 25077.9 days
Unobserved 242 days

More info »
Ephemeris at epoch 60419 MJD
Right Ascension 337.133 deg
Declination -22.097 deg
V Magnitude 18.51 mag
Solar Elongation 59.17 deg
Galactic Latitude -57.24 deg
Rate 0.399 deg/day
Direction 76.167 deg

More info »