Objects 990907 and 97 68B recovered

Mike McCants (mikem@fc.net)
Sun, 28 Nov 1999 22:52:00 -0600 (CST)

I was able to find the Unknown object 990907 this evening.  I found
it flashing to magnitude 9 or 9.5 every 4.9 seconds at altitude 47,
azimuth 300, range 10000 miles with the Austin Astronomical Society's
12 1/2 inch reflector.  After about 20 minutes, the flashes faded
to magnitude 10.5 or 11 and it became too difficult to follow.

Revised elset:

Unknown 990907
1 90907U          99332.59871725 0.00001500  00000-0  51866-1 0    01
2 90907  62.8100 279.6338 7320000 282.1808  77.8192  2.01454268    09

I spotted 97 68B as it made a very favorable pass to my east.  I watched
it for 50 minutes with my 8 inch telescope.  It went into the Earth's
shadow about 0300UT (over New Jersey? :-)  It flashed to about magnitude 8
about once per second before shadow entry.

Revised elset:

Centaur Rk
1 25035U 97068B   99332.80932281 0.00000000  00000-0 +00000+0 0    06
2 25035  64.4970 243.3853 6935910 260.9372  99.0628  2.02931100    09

Obs from lat 30.3, long 97.8 west.

Mike McCants

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