Steve Newcomb wrote:
> TiPS is my favorite telescopic sat, you get 2 for 1 plus the
> flicker of light from the tether which can be long or short
> depending on the its elevation. Would someone calculate for
> my location what is the separation of the 2 sats, or the
> lenght of the tether, for TiPS at the various elevations
> above the horizon? How much will it vary because of eccentricity?
The following table states the apparent length of TiPS, in arc min, for
elevations between 0 and 90 deg, for three different altitudes: perigee=796 km;
mean=998 km; apogee=1199 km:
Alt - km
----------------
El 796 998 1199
-- ----------------
0 3.73 3.21 2.83
10 5.11 4.25 3.64
20 6.53 5.28 4.44
30 7.64 6.07 5.02
40 8.14 6.40 5.25
50 7.87 6.15 5.02
60 6.80 5.29 4.30
70 4.99 3.88 3.14
80 2.64 2.05 1.66
90 0.00 0.00 0.00
Ted Molczan
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