AstDyS-2

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AstDyS ∴ Objects ∴ 1998QR21 ∴ Summary
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(52777) 1998QR21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.18354 6.18e-09 au
e 0.121332 3.038e-08
i 5.695 3.73e-06 deg
Ω 328.488 3.436e-05 deg
ω 98.276 3.962e-05 deg
M 254.608 1.693e-05 deg

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Other useful info
Absolute Magnitude (H)    15.6 mag
Slope parameter (G)    0.15 mag
Perihelion 1.9186 au
Aphelion 2.4485 au
Asc. node-Earth separation 1.17836 au
Desc. node-Earth separation 1.12671 au
Earth MOID 0.94257 au
Orbital period 1178.53 days
Date of orbit computation  apr 23 19:57
Observational summary
Optical observations (Discarded) 1438 (5)
Radar observations (Discarded) 0 (0)
Arc length 9072.05 days
Unobserved 309 days

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Ephemeris at epoch 60425 MJD
Right Ascension 339.851 deg
Declination -9.66202 deg
V Magnitude 20.54 mag
Solar Elongation 57.19 deg
Galactic Latitude -54.32 deg
Rate 0.443 deg/day
Direction 65.531 deg

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