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AstDyS ∴ Objects ∴ 2007JL21 ∴ Summary
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(199987) 2007JL21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.14417 2.748e-08 au
e 0.210183 4.715e-08
i 9.732 7.588e-06 deg
Ω 14.257 3.485e-05 deg
ω 256.735 4.078e-05 deg
M 350.1 2.269e-05 deg

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Other useful info
Absolute Magnitude (H)    15.7 mag
Slope parameter (G)    0.15 mag
Perihelion 2.4833 au
Aphelion 3.805 au
Asc. node-Earth separation 2.15879 au
Desc. node-Earth separation 1.86699 au
Earth MOID 1.49017 au
Orbital period 2036.37 days
Date of orbit computation  feb 22 02:32
Observational summary
Optical observations (Discarded) 299 (1)
Radar observations (Discarded) 0 (0)
Arc length 8112.91 days
Unobserved 318 days

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Ephemeris at epoch 60423 MJD
Right Ascension 287.05 deg
Declination -33.9037 deg
V Magnitude 20.25 mag
Solar Elongation 108.26 deg
Galactic Latitude -17.96 deg
Rate 0.194 deg/day
Direction 110.348 deg

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