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AstDyS ∴ Objects ∴ 1999TN258 ∴ Summary
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(74988) 1999TN258  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.19875 7.504e-09 au
e 0.103196 3.912e-08
i 3.386 4.735e-06 deg
Ω 329.775 8.045e-05 deg
ω 329.459 8.495e-05 deg
M 243.05 2.822e-05 deg

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Other useful info
Absolute Magnitude (H)    16.9 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9718 au
Aphelion 2.4257 au
Asc. node-Earth separation 0.98693 au
Desc. node-Earth separation 1.39935 au
Earth MOID 0.95691 au
Orbital period 1190.87 days
Date of orbit computation  apr 23 20:02
Observational summary
Optical observations (Discarded) 572 (5)
Radar observations (Discarded) 0 (0)
Arc length 8923.03 days
Unobserved 49 days

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Ephemeris at epoch 60425 MJD
Right Ascension 158.24 deg
Declination 6.54838 deg
V Magnitude 20.73 mag
Solar Elongation -122.46 deg
Galactic Latitude 51.23 deg
Rate 0.018 deg/day
Direction 130.141 deg

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