Iridial Tabulation
geoffh@southlights.gen.nz
Sat, 16 Oct 99 19:22:00 NZST
Hello from New Zealand,
Its cloudy outside at the moment in our (Southern Hemisphere) spring.
So to do some "visual observing" I have had to use my PC.
I was fascinated with Walter Nissen's Iridial tabulation. And so
wanted to verify for myself the concept, but what is the easiest
way to do so -
I recently downloaded "SatScape" a cute UK freeware satellite
viewer (most notable by the fact it talks to you). Its like
having Stephen Hawking sitting next to you reading out what
satellite is popping over the local horizon. The other attribute
is has (over most others) is that it can real time plot hundreds
of satellites at once.
Checking out the Iridium "procession" seemed like an excellent
task for it. At the flick of the mouse (and the latest Celestrak
Iridium TLE's) I plotted all 90 Iridiums on a lovely map of the
world. Setting a timer for 15 minute intervals, I started to
read a book, and when the timer went off I would note the order
of the Iridium positions against Walter's table.
Talk about armchair satellite viewing !!!
Anyway, I offer the following comments to add to "perfecting"
the wonderful table of Walter's.
P00 - P0A Agree
P20 - P2A Agree
P50 - P5A Agree
Walter------Geoff
P10 24* P10 45
P11 47 P11 47
P12R 11A P12R 11A
P13 49 P13 49
P14 26 P14 26
P15R 3 P15R 3
P16 22 P16 22
P17 23 P17 24
P18 76 P18 23
P19 25 P19 76
P1A 45 P1A 25
Walter------Geoff
P30 5 P30 5
P31 6 P31 6
P32 7 P32 7
P33 8 P33 8
P34 4 P34 4
P35 35* P35 37
P36 61 P36 61
P37 19 P37 19
P38 34 P38 34
P39 37* P39 35
P3A 36 P3A 36
Walter------Geoff
P40 10* P40 9
P41 9* P41 10
P42 52* P42 54
P43 12 P43 12
P44 13 P44 13
P45R 83 P45R 83
P46 16 P46 16
P47 53* P47 50
P48 56 P48 56
P49 50* P49 52
P4A 54* P4A 53
Regards
Geoff Hitchcox
Latitude: 43.5197 degrees SOUTH
Longitude: 172.7022 degrees EAST
Christchurch, New Zealand, South Pacific.
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