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Post Info TOPIC: Asteroid 2009 HE
Blobrana


L

Posts: 131433
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RE: Asteroid 2009 HE
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Keplerian elements at epoch
55000.0 MJD
Value 1-sigma variation Units
a 1.30025 0.04575 AU
e 0.407667 0.01789
i 43.95 1.76 deg
200.894 0.1494 deg
w 118.417 2.757 deg
M 337.358 2.419 deg
Other useful info
Absolute Magnitude (H) 20.7 mag
Slope parameter (G) 0.15 mag
Perihelion 0.7702 AU
Aphelion 1.8303 AU
Asc. node-Earth separation 0.3431 AU
Desc. node-Earth separation -0.09032 AU
Earth MOID 0.08269 AU
Orbital period 541.553 days
Date of orbit computation Apr 19 09:14
Observational summary
Optical observations (Discarded) 21 (0)
Radar observations (Discarded) 0 (0)
Arc length 1 days
Unobserved 2 days
Ephemeris at epoch 54941 MJD
Right Ascension 206.552 deg
Declination 19.6149 deg
V Magnitude 19.58 mag
Solar Elongation -148.91 deg
Galactic Latitude 75.37 deg
Rate 2.687 deg/day
Direction -12.899 deg


Source

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Blobrana


L

Posts: 131433
Date:
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Orbital elements:
2009 HE                                                  Earth MOID = 0.0841 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M 337.51781              (2000.0)            P               Q
n   0.66390391     Peri.  118.43650     +0.67079416     +0.69924183
a   1.3013653      Node   200.88516     -0.62994425     +0.71308537
e   0.4094877      Incl.   43.89581     +0.39141465     -0.05069637
P   1.48           H   20.7           G   0.15           U   9

MPEC 2009 - H07

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