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AstDyS ∴ Objects ∴ 1999RW221 ∴ Summary
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(70387) 1999RW221  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.30603 6.677e-09 au
e 0.152163 3.12e-08
i 2.128 4.527e-06 deg
Ω 318.831 9.534e-05 deg
ω 308.472 9.675e-05 deg
M 50.792 1.53e-05 deg

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Other useful info
Absolute Magnitude (H)    16.3 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9551 au
Aphelion 2.6569 au
Asc. node-Earth separation 1.04497 au
Desc. node-Earth separation 1.50181 au
Earth MOID 0.93986 au
Orbital period 1279.08 days
Date of orbit computation  apr 23 20:01
Observational summary
Optical observations (Discarded) 1006 (4)
Radar observations (Discarded) 0 (0)
Arc length 8741.93 days
Unobserved 309 days

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Ephemeris at epoch 60425 MJD
Right Ascension 357.623 deg
Declination -0.36393 deg
V Magnitude 21.15 mag
Solar Elongation 37.28 deg
Galactic Latitude -59.49 deg
Rate 0.493 deg/day
Direction 65.452 deg

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