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Post Info TOPIC: Asteroid 2008 SV11
Blobrana


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RE: Asteroid 2008 SV11
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The 600 - 1400 metre wide asteroid 2008 SV11, made a close flyby of the Earth on the 31st March, 2009, passing by five million, four hundred and sixty thousand km away.

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Blobrana


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Orbital Elements at Epoch 2455000.5 (2009-Jun-18.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
Element Value Uncertainty (1-sigma) Units
e .7223018040215021 1.7152e-06
a 2.619018326654293 1.4152e-05 AU
q .7272966645465215 5.67e-07 AU
i 8.300417618371675 6.0766e-05 deg
node 15.64814416937396 6.9396e-05 deg
peri 102.8994133337263 5.9134e-05 deg
M 28.17951676255663 0.00023511 deg
tp 2454879.318235027965
(2009-Feb-16.81823503)		 2.8986e-05 JED
period 1548.125745289562
4.24		 0.012548
3.435e-05		 d
yr
n .2325392501838832 1.8848e-06 deg/d
Q 4.510739988762065 2.4374e-05 AU
 Orbit Determination Parameters
# obs. used (total) 154
# delay obs. used 2
# Doppler obs. used 1
data-arc span 187 days
first obs. used 2008-09-25
last obs. used 2009-03-31
planetary ephem. DE405
SB-pert. ephem. SB405-CPV-2
quality code 3
fit RMS .41239
data source ORB
producer OSOD/JPL
solution date 2009-Mar-31 12:02:30

Additional Information
Earth MOID = .0187924 AU
T_jup = 2.958
Source

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Blobrana


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Orbital elements:
2008 SV11                                           PHA, Earth MOID = 0.0212 AU
Epoch 2008 Nov. 30.0 TT = JDT 2454800.5                 MPC
M 333.21989              (2000.0)            P               Q
n   0.30735806     Peri.  103.90272     -0.51509184     -0.85623152
a   2.1745679      Node    17.27093     +0.72632917     -0.46039713
e   0.6494533      Incl.    7.61533     +0.45511134     -0.23431190
P   3.21           H   18.3           G   0.15           U   9

MPEC 2008 - S65

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Blobrana


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Blobrana


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Impact risk now at -4.41 Palermo scale.
(Analysis based on 45 observations spanning 5.1147 days)

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