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AstDyS ∴ Objects ∴ 1998HT13 ∴ Summary
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(39980) 1998HT13  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.53451 9.154e-09 au
e 0.117299 5.552e-08
i 6.118 6.863e-06 deg
Ω 340.503 3.123e-05 deg
ω 312.688 4.148e-05 deg
M 72.329 2.545e-05 deg

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Other useful info
Absolute Magnitude (H)    15.3 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2372 au
Aphelion 2.8318 au
Asc. node-Earth separation 1.30722 au
Desc. node-Earth separation 1.72495 au
Earth MOID 1.2265 au
Orbital period 1473.8 days
Date of orbit computation  feb 22 01:58
Observational summary
Optical observations (Discarded) 1449 (12)
Radar observations (Discarded) 0 (0)
Arc length 10336 days
Unobserved 133 days

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Ephemeris at epoch 60419 MJD
Right Ascension 22.0872 deg
Declination 12.4662 deg
V Magnitude 20.2 mag
Solar Elongation 5.03 deg
Galactic Latitude -49.4 deg
Rate 0.457 deg/day
Direction 66.479 deg

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