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AstDyS ∴ Objects ∴ 2001QS221 ∴ Summary
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(83078) 2001QS221  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 3.05268 1.717e-08 au
e 0.247104 3.787e-08
i 11.123 4.144e-06 deg
Ω 116.487 2.234e-05 deg
ω 278.192 2.385e-05 deg
M 26.997 8.648e-06 deg

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Other useful info
Absolute Magnitude (H)    14.4 mag
Slope parameter (G)    0.15 mag
Perihelion 2.2983 au
Aphelion 3.807 au
Asc. node-Earth separation 1.78539 au
Desc. node-Earth separation 1.95503 au
Earth MOID 1.33721 au
Orbital period 1948.14 days
Date of orbit computation  apr 23 20:04
Observational summary
Optical observations (Discarded) 1676 (204)
Radar observations (Discarded) 0 (0)
Arc length 8621.01 days
Unobserved 97 days

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Ephemeris at epoch 60425 MJD
Right Ascension 71.2615 deg
Declination 17.9278 deg
V Magnitude 19.76 mag
Solar Elongation -37.42 deg
Galactic Latitude -17.66 deg
Rate 0.453 deg/day
Direction 76.984 deg

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