AstDyS-2

Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2001YY21 ∴ Summary
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(337935) 2001YY21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.40521 1.616e-08 au
e 0.206363 6.587e-08
i 3.334 7.316e-06 deg
Ω 42.849 0.0001723 deg
ω 31.328 0.0001794 deg
M 348.379 4.706e-05 deg

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Other useful info
Absolute Magnitude (H)    18.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9089 au
Aphelion 2.9016 au
Asc. node-Earth separation 0.96715 au
Desc. node-Earth separation 1.78704 au
Earth MOID 0.92505 au
Orbital period 1362.47 days
Date of orbit computation  feb 22 03:01
Observational summary
Optical observations (Discarded) 161 (1)
Radar observations (Discarded) 0 (0)
Arc length 7998.96 days
Unobserved 175 days

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Ephemeris at epoch 60398 MJD
Right Ascension 37.1933 deg
Declination 15.2292 deg
V Magnitude 22.44 mag
Solar Elongation -31.31 deg
Galactic Latitude -41.5 deg
Rate 0.58 deg/day
Direction 70.031 deg

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