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AstDyS ∴ Objects ∴ 1999JN81 ∴ Summary
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(42811) 1999JN81  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 1.84378 4.467e-09 au
e 0.14266 2.912e-08
i 24.092 2.907e-06 deg
Ω 209.391 8.09e-06 deg
ω 128.803 1.335e-05 deg
M 206.43 1.236e-05 deg

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Other useful info
Absolute Magnitude (H)    14.5 mag
Slope parameter (G)    0.15 mag
Perihelion 1.5807 au
Aphelion 2.1068 au
Asc. node-Earth separation 0.97903 au
Desc. node-Earth separation 0.66377 au
Earth MOID 0.63511 au
Orbital period 914.451 days
Date of orbit computation  feb 22 01:59
Observational summary
Optical observations (Discarded) 3329 (55)
Radar observations (Discarded) 0 (0)
Arc length 14494.9 days
Unobserved 58 days

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Ephemeris at epoch 60397 MJD
Right Ascension 163.7 deg
Declination -18.1638 deg
V Magnitude 17.11 mag
Solar Elongation -152.69 deg
Galactic Latitude 36.61 deg
Rate 0.401 deg/day
Direction -28.229 deg

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