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AstDyS ∴ Objects ∴ 1999YF21 ∴ Summary
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(257734) 1999YF21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.41313 1.232e-08 au
e 0.171132 5.412e-08
i 2.451 5.366e-06 deg
Ω 303.153 0.0001217 deg
ω 204.934 0.0001228 deg
M 143.372 1.715e-05 deg

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Other useful info
Absolute Magnitude (H)    17.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0002 au
Aphelion 2.8261 au
Asc. node-Earth separation 1.7576 au
Desc. node-Earth separation 1.04383 au
Earth MOID 1.0125 au
Orbital period 1369.21 days
Date of orbit computation  feb 22 02:45
Observational summary
Optical observations (Discarded) 447 (4)
Radar observations (Discarded) 0 (0)
Arc length 8571.67 days
Unobserved 303 days

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Ephemeris at epoch 60419 MJD
Right Ascension 326.483 deg
Declination -13.383 deg
V Magnitude 22.91 mag
Solar Elongation 64.9 deg
Galactic Latitude -44.66 deg
Rate 0.304 deg/day
Direction 69.147 deg

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