AstDyS-2

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AstDyS ∴ Objects ∴ 1997DR ∴ Summary
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(20199) 1997DR  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.80213 1.216e-08 au
e 0.024651 3.528e-08
i 2.756 4.21e-06 deg
Ω 31.154 7.972e-05 deg
ω 276.584 0.0001215 deg
M 123.351 9.152e-05 deg

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Other useful info
Absolute Magnitude (H)    14.2 mag
Slope parameter (G)    0.15 mag
Perihelion 2.7331 au
Aphelion 2.8712 au
Asc. node-Earth separation 1.79868 au
Desc. node-Earth separation 1.80342 au
Earth MOID 1.71964 au
Orbital period 1713.29 days
Date of orbit computation  apr 23 19:50
Observational summary
Optical observations (Discarded) 2168 (10)
Radar observations (Discarded) 0 (0)
Arc length 17294.8 days
Unobserved 57 days

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Ephemeris at epoch 60427 MJD
Right Ascension 66.2402 deg
Declination 23.2512 deg
V Magnitude 19.94 mag
Solar Elongation -31.41 deg
Galactic Latitude -17.92 deg
Rate 0.383 deg/day
Direction 80.477 deg

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