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Asteroids - Dynamic Site
AstDyS ∴ Objects ∴ 2007RF21 ∴ Summary
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(204843) 2007RF21  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 3.09971 3.534e-08 au
e 0.160083 5.748e-08
i 0.316 1.036e-05 deg
Ω 220.473 0.001475 deg
ω 67.749 0.001475 deg
M 51.108 3.718e-05 deg

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Other useful info
Absolute Magnitude (H)    16.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.6035 au
Aphelion 3.5959 au
Asc. node-Earth separation 1.83545 au
Desc. node-Earth separation 2.22675 au
Earth MOID 1.586 au
Orbital period 1993.34 days
Date of orbit computation  Oct 31 07:05
Observational summary
Optical observations (Discarded) 200 (1)
Radar observations (Discarded) 0 (0)
Arc length 9870.13 days
Unobserved 188 days

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Ephemeris at epoch 58595 MJD
Right Ascension 30.2238 deg
Declination 12.3451 deg
V Magnitude 21.72 mag
Solar Elongation -1.1 deg
Galactic Latitude -47.08 deg
Rate 0.367 deg/day
Direction 70.011 deg

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