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AstDyS ∴ Objects ∴ 1998UK21 ∴ Summary
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(52987) 1998UK21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.28989 6.237e-09 au
e 0.184385 2.82e-08
i 4.805 2.972e-06 deg
Ω 280.443 3.734e-05 deg
ω 50.307 3.857e-05 deg
M 157.95 8.735e-06 deg

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Other useful info
Absolute Magnitude (H)    15.4 mag
Slope parameter (G)    0.15 mag
Perihelion 1.8677 au
Aphelion 2.7121 au
Asc. node-Earth separation 0.96211 au
Desc. node-Earth separation 1.525 au
Earth MOID 0.86079 au
Orbital period 1265.67 days
Date of orbit computation  feb 22 02:01
Observational summary
Optical observations (Discarded) 2395 (302)
Radar observations (Discarded) 0 (0)
Arc length 25678.1 days
Unobserved 77 days

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Ephemeris at epoch 60419 MJD
Right Ascension 118.493 deg
Declination 17.616 deg
V Magnitude 20.62 mag
Solar Elongation -87.99 deg
Galactic Latitude 21.51 deg
Rate 0.209 deg/day
Direction 100.136 deg

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