Re: Decay watch: Iridium 19 Delta 2 rocket
Alan Pickup (alan@wingar.demon.co.uk)
Fri, 17 Apr 1998 17:58:07 +0100
With only a few hours to re-entry, the latest elset for this ...
Iridm 19 Delta r 5.9 2.4 0.0 5.6 d 182 x 149 km
1 24970U 97056F 98107.54350511 .09013226 -13851-5 40360-3 0 2804
2 24970 83.5815 263.5897 0025466 274.5216 85.3189 16.40129006 31786
... has it 11 seconds early against the "9276" SatEvo evolution I posted
yesterday.
My prediction for decay remains at April 17.94 (22:30 UTC +-2h).
Predicted elsets:
Iridm 19 Delta r 5.9 2.4 0.0 5.6 d 171 x 144 km
1 24970U 97056F 98107.66540018 .13195333 12680+0 37071-3 0 92801
2 24970 83.5806 263.4653 0021147 274.0002 85.7581 16.43209257 31808
Iridm 19 Delta r 5.9 2.4 0.0 5.6 d 165 x 141 km
1 24970U 97056F 98107.72627408 .16035411 19846+0 34973-3 0 92809
2 24970 83.5800 263.4030 0018619 273.7390 86.0481 16.44975661 31811
Iridm 19 Delta r 5.9 2.4 0.0 5.6 d 157 x 137 km
1 24970U 97056F 98107.78707597 .20837683 36233+0 33290-3 0 92809
2 24970 83.5792 263.3406 0015691 273.4773 86.3430 16.47187993 31820
Iridm 19 Delta r 5.9 2.4 0.0 5.6 d 147 x 131 km
1 24970U 97056F 98107.84778407 .31122711 91019+0 32725-3 0 92800
2 24970 83.5782 263.2780 0012080 273.2151 86.6467 16.50245360 31831
Iridm 19 Delta r 5.9 2.4 0.0 5.6 d 128 x 120 km
1 24970U 97056F 98107.90834811 .76680409 70735+1 39159-3 0 92802
2 24970 83.5766 263.2153 0006756 272.9521 86.9706 16.55829023 31846
The final rev takes it northbound across the equator south of the Bay of
Bengal at 21:48 UTC, northwards over Tibet and Siberia, then southwards
across the NW Territories of Canada (~22:15), Saskatchewan (22:18),
almost over Denver, Colorado, (22:22), W of Mexico City at 22:26, then
across the W Pacific towards Antarctica.
Alan
--
Alan Pickup | COSPAR site 2707: 55d53m48.7s N 3d11m51.2s W 156m asl
Edinburgh | Home: alan@wingar.demon.co.uk +44 (0)131 477 9144
Scotland | SatEvo satellite page: http://www.wingar.demon.co.uk/satevo/