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AstDyS ∴ Objects ∴ 1999TD21 ∴ Summary
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(96881) 1999TD21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.7389 1.304e-08 au
e 0.237727 5.282e-08
i 8.851 5.752e-06 deg
Ω 349.801 3.098e-05 deg
ω 34.344 3.249e-05 deg
M 147.179 1.056e-05 deg

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Other useful info
Absolute Magnitude (H)    14.9 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0878 au
Aphelion 3.39 au
Asc. node-Earth separation 1.15431 au
Desc. node-Earth separation 2.2222 au
Earth MOID 1.09736 au
Orbital period 1655.63 days
Date of orbit computation  feb 22 02:10
Observational summary
Optical observations (Discarded) 1071 (5)
Radar observations (Discarded) 0 (0)
Arc length 8637.76 days
Unobserved 342 days

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Ephemeris at epoch 60420 MJD
Right Ascension 175.015 deg
Declination -1.46024 deg
V Magnitude 20.12 mag
Solar Elongation -145.79 deg
Galactic Latitude 56.64 deg
Rate 0.144 deg/day
Direction -73.62 deg

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