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AstDyS ∴ Objects ∴ 1999RQ90 ∴ Summary
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(42861) 1999RQ90  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.30546 5.722e-09 au
e 0.170539 2.512e-08
i 5.994 3.097e-06 deg
Ω 138.669 3.248e-05 deg
ω 159.766 3.43e-05 deg
M 47.541 1.118e-05 deg

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Other useful info
Absolute Magnitude (H)    15.0 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9123 au
Aphelion 2.6986 au
Asc. node-Earth separation 1.67896 au
Desc. node-Earth separation 0.91642 au
Earth MOID 0.89774 au
Orbital period 1278.6 days
Date of orbit computation  feb 22 01:59
Observational summary
Optical observations (Discarded) 2397 (14)
Radar observations (Discarded) 0 (0)
Arc length 9316.59 days
Unobserved 209 days

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Ephemeris at epoch 60398 MJD
Right Ascension 4.68555 deg
Declination -0.99436 deg
V Magnitude 19.31 mag
Solar Elongation 5.33 deg
Galactic Latitude -62.71 deg
Rate 0.55 deg/day
Direction 68.589 deg

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