AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ Putnam ∴ Summary
Contact »
(2557) Putnam  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.35014 5.654e-09 au
e 0.155283 3.061e-08
i 6.069 2.322e-06 deg
Ω 188.168 2.686e-05 deg
ω 189.799 2.865e-05 deg
M 282.997 9.79e-06 deg

More info »
Other useful info
Absolute Magnitude (H)    13.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9852 au
Aphelion 2.7151 au
Asc. node-Earth separation 1.70954 au
Desc. node-Earth separation 0.98863 au
Earth MOID 0.98713 au
Orbital period 1315.95 days
Date of orbit computation  Jun 5 00:37
Observational summary
Optical observations (Discarded) 7925 (340)
Radar observations (Discarded) 0 (0)
Arc length 24664.2 days
Unobserved 22 days

More info »
Ephemeris at epoch 60468 MJD
Right Ascension 328.882 deg
Declination -4.94535 deg
V Magnitude 17.01 mag
Solar Elongation 106.99 deg
Galactic Latitude -42.64 deg
Rate 0.221 deg/day
Direction 62.059 deg

More info »