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NEODyS ∴ Objects ∴ Tantalus ∴ Summary
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(2102) Tantalus  ▹ 
SUMMARY
Keplerian elements at epoch
58400.0 MJD
Value 1-σ variation Units
a 1.29013 7.677e-10 au
e 0.299108 1.928e-08
i 64.005 9.606e-06 deg
Ω 94.363 1.201e-06 deg
ω 61.545 7.201e-06 deg
M 38.42 5.656e-06 deg

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Other useful info
Absolute Magnitude (H)    16.0 mag
Slope parameter (G)    0.15 mag
Perihelion 0.9042 au
Aphelion 1.676 au
Asc. node-Earth separation 0.04396 au
Desc. node-Earth separation 0.35231 au
Earth MOID 0.04254 au
Orbital period 535.239 days
Date of orbit computation   Oct 15 15:12
Observational summary
Optical observations (Discarded) 1103 (9)
Radar observations (Discarded) 1 (0)
Arc length 15159 days
Unobserved 475 days

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Ephemeris at epoch 58407 MJD
Right Ascension 228.351 deg
Declination 5.21601 deg
V Magnitude 18.71 mag
Solar Elongation -30.93 deg
Galactic Latitude 49.74 deg
Rate 1.04 deg/day
Direction 128.831 deg

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