----+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
SOLRAD 0 7654321 1.5
----+----0----+----0----+----0----+----0----+----0----+----0----+----0----+----0
COLUMNS FORMAT DESCRIPTION DEFAULT VALUE & UNITS
1-6 A6 SOLRAD - Requests application and/or
adjustment of solar radiation pressure.
8 I1 Indicates order of radiation pressure 0
coefficients.
0 - Cr
.
1 - Cr
..
2 - Cr
18-24 I7 Satellite ID. 0
25-44 D20.8 Solar radiation pressure coefficient. 0. none or
(Units for Cr dot and Cr double dot are 1/S or
per second and per second squared) 1/S**2
45-59 D15.3 This field must be left blank unless 0.
the time dependent solar radiation option
is wanted. To select time dependent solar
radiation the end time of the period for
which this acceleration coefficient applies
is input in the form YYMMDDHHMMSS.SS in
this field.
See NOTE(1) for more details.
60-72 D13.1 Standard deviation of radiation pressure 0. none or
coefficient. 1/S or
1/S**2
UNITS: KM =Kilometers; M =Meters ; S =Seconds ; Kg =Kilograms
DEG=Degrees ; RAD=Radians ; AS =Arc seconds; MAS=Milli-arc seconds
AUG 1988
8805.0
ARC SET - Option Cards
SOLRAD (cont)
NOTE[1]: Time periods may be specified only for the highest order coefficients
used (i.e. if Cr and Cr dot are used, only Cr dot can have time
intervals). When using time periods the number of SOLRAD cards
required is equal to the number of time periods plus the order (order
= the number in column 8 +1). The Cr, Cr dot, and/or Cr double dot
without a time interval are used for times beyond the end of the
the last interval specified on the SOLRAD cards. See example on
next page.
EXAMPLE: SOLRAD cards for using time dependent general accelerations
(highest order - Cr ;three time intervals; 4 cards required)
----+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
SOLRAD 0 7654321 1.5
SOLRAD 0 7654321 1.51 840901000000.
SOLRAD 0 7654321 1.52 840902000000.
SOLRAD 0 7654321 1.53 840903000000.
----+----0----+----0----+----0----+----0----+----0----+----0----+----0----+----0
WARNINGS: If duplicate time periods are specified the run will terminate
in IIS with a warning message.
The first time period that exceeds the end time of the run
(see EPOCH card) will be accepted. All other end times exceeding
the end time of the run will be ignored.
SEPT 1985
8609.0
ARC SET - Option Cards