* Astronomy

A possible piece of space junk with a  31-day orbit period around the Earth.
The object will make a close pass (0.2 Lunar Distances, 82,000 km) to the Earth on the 29th October, 2009.

Orbital elements:
9U01FF6
   Perigee 2009 Oct 29.171830 TT =  4:07:26 (JD 2455133.671830)
Epoch 2009 Oct 27.0 TT = JDT 2455131.5                  Find_Orb
M 335.11066              (2000.0)            P               Q
n  11.46007540     Peri.  249.88886     -0.49568783     -0.80745284
a420544.400km      Node   234.00022      0.86803900     -0.47260847
e   0.8049585      Incl.   23.28926     -0.02831712     -0.35307384
P  31.41d          H   30.6     G   0.15   q 82023.5752km  Q 759065.226km
From 32 observations 2009 Oct. 26-26 (16.4 hr)

Ephemerides:

Date (UT)    RA              Dec         delta   r     elong mag  '/hr   PA
---- -- --  ------------   ------------  ------ ------ ----- ---  ----- -----
2009 10 20  21 14 38.185   +23 15 44.76  661728 0.9978 116.0 21.1  6.49  88.5
2009 10 21  21 26 32.767   +23 18 24.69  631363 0.9976 118.0 21.0  7.23  89.6
2009 10 22  21 39 58.116   +23 17 51.46  595023 0.9973 120.3 20.8  8.24  90.8
2009 10 23  21 55 28.841   +23 12 29.49  552104 0.9970 123.1 20.5  9.67  92.1
2009 10 24  22 14 00.172   +22 59 16.58  501769 0.9967 126.6 20.2 11.81  93.8
2009 10 25  22 37 08.256   +22 31 59.63  442822 0.9964 131.2 19.8 15.25  96.0
2009 10 26  23 08 01.802   +21 36 15.00  373474 0.9960 137.6 19.3 21.53  98.8
2009 10 27  23 54 06.024   +19 31 20.89  290937 0.9955 147.8 18.4 35.52 103.0
2009 10 28  01 19 39.532   +13 32 33.40  191098 0.9949 167.9 16.9 82.30 109.2
2009 10 29  06 08 34.454   -14 58 14.92   86916 0.9936 115.2 16.7 397.7 108.1
2009 10 30  14 30 18.806   -06 53 43.57  152773 0.9921   7.6 35.9 128.7  67.6
2009 10 31  16 20 31.323   +04 49 42.93  259120 0.9914  35.2 24.3 44.66  67.1

Source