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AstDyS ∴ Objects ∴ 2003YL21 ∴ Summary
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(213959) 2003YL21  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.69438 1.558e-08 au
e 0.139458 6.307e-08
i 3.489 5.908e-06 deg
Ω 315.737 8.972e-05 deg
ω 215.471 9.173e-05 deg
M 160.708 1.819e-05 deg

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Other useful info
Absolute Magnitude (H)    16.5 mag
Slope parameter (G)    0.15 mag
Perihelion 2.3186 au
Aphelion 3.0701 au
Asc. node-Earth separation 1.96701 au
Desc. node-Earth separation 1.38692 au
Earth MOID 1.32595 au
Orbital period 1615.42 days
Date of orbit computation  apr 23 20:34
Observational summary
Optical observations (Discarded) 383 (1)
Radar observations (Discarded) 0 (0)
Arc length 6735.64 days
Unobserved 716 days

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Ephemeris at epoch 60444 MJD
Right Ascension 358.871 deg
Declination 1.06227 deg
V Magnitude 22.55 mag
Solar Elongation 53.99 deg
Galactic Latitude -58.76 deg
Rate 0.306 deg/day
Direction 64.233 deg

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