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Post Info TOPIC: Asteroid 2009 DO111
Blobrana


L

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RE: Asteroid 2009 DO111
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The 71 - 160 metre wide asteroid 2009 DO111 will make a close pass (30.6 lunar distances, 0.0787 AU), travelling at 6.79 km/second, to the Earth-Moon system on the 1st October, 2011 @ 14:39 UT ±00:01. 

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The Lunar Distance (LD), the distance between Earth and the Moon, equals 384,401 km, (or 0.00256 AU).



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Blobrana


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Orbital elements:
2009 DO111                                               Earth MOID = 0.0024 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5                  MPC
M 202.05570              (2000.0)            P               Q
n   0.91694673     Peri.  273.06898     +0.09281808     +0.99568096
a   1.0493168      Node     2.25985     -0.89157912     +0.08403180
e   0.2797636      Incl.    2.98645     -0.44325104     +0.03947244
P   1.07           H   22.9           G   0.15           U   3

MPEC 2009 - Y52

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Blobrana


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Orbital Elements at Epoch 2455000.5 (2009-Jun-18.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
Element Value Uncertainty (1-sigma) Units
e .2797703481381237 1.3489e-05
a 1.049271124841953 6.1309e-06 AU
q .7557161769536391 9.7575e-06 AU
i 2.986692502379344 0.00010124 deg
node 2.259836438350197 3.5267e-05 deg
peri 273.06558610 0.00018839 deg
M 18.66167100002791 0.00063573 deg
tp 2454980.149361622437
(2009-May-28.64936163)		 0.00087156 JED
period 392.5816619482658
1.07		 0.0034408
9.42e-06		 d
yr
n .9170066635650459 8.0371e-06 deg/d
Q 1.342826072730267 7.8462e-06 AU
 Orbit Determination Parameters
# obs. used (total) 193
# delay obs. used 0
# Doppler obs. used 1
data-arc span 27 days
first obs. used 2009-02-22
last obs. used 2009-03-21
planetary ephem. DE405
SB-pert. ephem. SB405-CPV-2
quality code 4
fit RMS .34956
data source ORB
producer Otto Matic
solution date 2009-Mar-26 00:50:09

Additional Information
Earth MOID = .00254995 AU
T_jup = 5.820
Source

Orbital elements:
2009 DO111                                               Earth MOID = 0.0025 AU
Epoch 2009 June 18.0 TT = JDT 2455000.5                 MPC
M  18.66243              (2000.0)            P               Q
n   0.91699415     Peri.  273.06537     +0.09276047     +0.99568633
a   1.0492807      Node     2.26015     -0.89158134     +0.08398020
e   0.2797876      Incl.    2.98679     -0.44325862     +0.03944684
P   1.07           H   22.6           G   0.15           U   6

MPEC 2009 - E70

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