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AstDyS ∴ Objects ∴ 1999TY21 ∴ Summary
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(137317) 1999TY21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.34391 9.842e-09 au
e 0.133986 3.885e-08
i 4.942 4.294e-06 deg
Ω 24.546 5.282e-05 deg
ω 54.344 5.597e-05 deg
M 240.963 1.92e-05 deg

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Other useful info
Absolute Magnitude (H)    16.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0299 au
Aphelion 2.658 au
Asc. node-Earth separation 1.1395 au
Desc. node-Earth separation 1.4936 au
Earth MOID 1.05016 au
Orbital period 1310.72 days
Date of orbit computation  apr 23 20:17
Observational summary
Optical observations (Discarded) 691 (2)
Radar observations (Discarded) 0 (0)
Arc length 8661.14 days
Unobserved 308 days

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Ephemeris at epoch 60425 MJD
Right Ascension 337.617 deg
Declination -13.8141 deg
V Magnitude 21.85 mag
Solar Elongation 60.84 deg
Galactic Latitude -54.56 deg
Rate 0.381 deg/day
Direction 69.852 deg

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