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2009HL21  ▹ 
SUMMARY
Keplerian elements
(Epoch 60400.0 MJD)
Value 1-σ variation Units
a 1.66346 1.46e-08 au
e 0.444369 1.322e-06
i 1.01 9.105e-06 deg
Ω 144.349 0.001843 deg
ω 9.424 0.002044 deg
M 8.87 5.799e-05 deg

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Other useful info
Absolute Magnitude (H)    22.4 mag
Slope parameter (G)    0.15 mag
Perihelion distance 0.9243 au
Aphelion distance 2.4026 au
Asc. node-Earth separation -0.05874 au
Desc. node-Earth separation 1.36421 au
Earth MOID 0.00777 au
Orbital period 783.639 days
Date of orbit computation   mag 9 16:16
Observational summary
Optical observations (Discarded) 138 (1)
Radar observations (Discarded) 0 (0)
Arc length 5496 days
Unobserved 40 days

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Ephemeris
(Epoch 60478 MJD)
Right Ascension 212.337 deg
Declination -10.2572 deg
V Magnitude 23.17 mag
Solar Elongation -127.64 deg
Galactic Latitude 48.11 deg
Rate 0.565 deg/day
Direction 114.556 deg

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