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AstDyS ∴ Objects ∴ 1999JA121 ∴ Summary
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(101856) 1999JA121  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.09927 1.872e-08 au
e 0.175885 3.73e-08
i 12.812 4.559e-06 deg
Ω 81.619 2.327e-05 deg
ω 201.461 2.796e-05 deg
M 163.155 1.602e-05 deg

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Other useful info
Absolute Magnitude (H)    14.8 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5542 au
Aphelion 3.6444 au
Asc. node-Earth separation 2.60748 au
Desc. node-Earth separation 1.56538 au
Earth MOID 1.54217 au
Orbital period 1992.91 days
Date of orbit computation  feb 22 02:11
Observational summary
Optical observations (Discarded) 897 (5)
Radar observations (Discarded) 0 (0)
Arc length 9010.86 days
Unobserved 102 days

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Ephemeris at epoch 60423 MJD
Right Ascension 80.8198 deg
Declination 25.5282 deg
V Magnitude 21.47 mag
Solar Elongation -48.76 deg
Galactic Latitude -6.02 deg
Rate 0.258 deg/day
Direction 82.397 deg

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