Re: Pegasus Launch Alert: California & SW U.S.

Björn Gimle (b_gimle@algonet.se)
Mon, 1 Mar 1999 08:09:22 +0100

If the launch occurs at 18:57 PST (UTC-8?) WIRE should exit from shadow
around 18:59:12. This was from a skymap plot using Brian Webb's coordinate
info (one additional point at launch and orbit insertion guessed) converted
to a    WIRE.trj  file type:

  0 36.00 -123.00  11.88
  5 35.999 -123.00  11.88
10 35.99 -123.00  11.88
92 34.97 -123.18  71.30
163 32.75 -123.61 175.78
520 24.00 -124.60 540.00

left of the Saturn-Venus-Jupiter-Mercury line !

You can use the following Skymap  .cfg file, setting your own  DefDir
and EphemFile  names (and of course Latitude/Longitude):

[SkyMap]
Script= 
DefDir=C:\386\D-DISK\SATPROG\SKYMAP
StarFile=hip8.dat
CatEpoch=J2000
EphemFile=WIRE.trj
CityFile=skymap.cty
SiteName=Santa Barbara, East Camino Cielo, cistern
HPGLFile=Wire.plt
LandFiles=world.pnt
Report=radar.rep
MapTitle=WIRE Pegasus launch March 1, 1999, 18.57 PST
CatJD=2433282.423459
Lat= 34.515800
Long=-119.778600
Alt=        900.
Zone= -8.0
DelRA= 30.0000000
DelDec= 20.0000000
MinMag= 0.00
MaxMag= 6.00
MinIdx=10
MaxIdx=10
MapDate= 1999/ 3/ 1
MapTime=18:57: 0
TrackRes=   1
TickRes=  10
TagRes=   0
RA=  5.5000000
Dec=  0.0000000
Azim=233.4005032
Elev= 27.9238214
FOV= 60.0000000
EpochJD=2433282.423459
EquinoxJD=2433282.423459
MaxAlt=  2000.0
MinRange=     0.0
MaxRange= 44444.0
SearchDur= 7.000
MinElev= 10.00
Culmination= 15.00
LabelMag= 3.00
DeepMag= 6.00
Transit=0
SunDown=  4.00
TagType=3
DefSatMag= 5.0
RocketMag= 5.5
DimmestSat= 6.0
SSLabel=2
Tolerance=0.25
Warn=1
Mirror= 1.
Screen=0
DragUnc=   50.00
TranObj=Sirius
TranRA= 6.752466
TranDec=-16.716190
PlotMode=Rocket
Model=SGP4 
Projection=Stereographic
SunAtSite=Off
TrackType=Equatorial
SunCode=On
LocalStart=On
LocalTag=On
LabelStar=On
Occult=On
AllSats=Off
DrawLand=Off
ProperMotion=On
Precess=On
Nut=Off
NGC=On
HPGL=On
TrueSize=Off
HDMS=Off
DeepSky=Off
Constellation=Off
StarMag=Off
EqOfDate=Off
EpOfDate=Off
Greek=On
PCTime=Off
LJ4=On
UseTLEMag=On
CheckUmbra=Off
DimPlanets=On
TLEWarn=On
SatJD( 0)=2451146.333333
SatDur( 0)= 2880.00000
SatJD(11)=2451146.333333
SatDur(11)=  104.00000
AutoJD=2451146.333333
AutoTT=1
AllFileTT=1
Autopoint= 3