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AstDyS ∴ Objects ∴ 1991UL4 ∴ Summary
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(21085) 1991UL4  ▹ 
SUMMARY
Keplerian elements at epoch
60400.0 MJD
Value 1-σ variation Units
a 2.67539 1.05e-08 au
e 0.223712 3.685e-08
i 4.884 3.677e-06 deg
Ω 75.502 5.1e-05 deg
ω 316.551 5.187e-05 deg
M 152.112 1.054e-05 deg

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Other useful info
Absolute Magnitude (H)    15.1 mag
Slope parameter (G)    0.15 mag
Perihelion 2.0769 au
Aphelion 3.2739 au
Asc. node-Earth separation 1.20178 au
Desc. node-Earth separation 2.01993 au
Earth MOID 1.08644 au
Orbital period 1598.37 days
Date of orbit computation  feb 22 01:54
Observational summary
Optical observations (Discarded) 1337 (15)
Radar observations (Discarded) 0 (0)
Arc length 16454.3 days
Unobserved 122 days

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Ephemeris at epoch 60419 MJD
Right Ascension 192.613 deg
Declination 1.06596 deg
V Magnitude 19.93 mag
Solar Elongation -161.15 deg
Galactic Latitude 63.94 deg
Rate 0.2 deg/day
Direction -73.031 deg

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