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AstDyS ∴ Objects ∴ 1998DQ21 ∴ Summary
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(31253) 1998DQ21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.95567 1.403e-08 au
e 0.125461 5.655e-08
i 2.447 5.29e-06 deg
Ω 18.953 8.38e-05 deg
ω 346.615 8.538e-05 deg
M 192.235 1.594e-05 deg

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Other useful info
Absolute Magnitude (H)    14.6 mag
Slope parameter (G)    0.15 mag
Perihelion 2.5848 au
Aphelion 3.3265 au
Asc. node-Earth separation 1.59536 au
Desc. node-Earth separation 2.31218 au
Earth MOID 1.58314 au
Orbital period 1856.01 days
Date of orbit computation  apr 23 19:52
Observational summary
Optical observations (Discarded) 1533 (4)
Radar observations (Discarded) 0 (0)
Arc length 11354.1 days
Unobserved 35 days

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Ephemeris at epoch 60425 MJD
Right Ascension 191.27 deg
Declination -4.84623 deg
V Magnitude 19.53 mag
Solar Elongation -157.31 deg
Galactic Latitude 57.99 deg
Rate 0.173 deg/day
Direction -70.086 deg

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