<s>
FreeFlyer	B-Application
is	O
a	O
commercial	O
off-the-shelf	O
software	O
application	O
for	O
satellite	B-Application
mission	O
analysis	O
,	O
design	O
and	O
operations	O
.	O
</s>
<s>
FreeFlyer	B-Application
's	O
architecture	O
centers	O
on	O
its	O
native	O
scripting	O
language	O
,	O
known	O
as	O
FreeForm	O
Script	O
.	O
</s>
<s>
As	O
a	O
mission	O
planning	O
tool	O
,	O
it	O
encompasses	O
several	O
capabilities	O
,	O
including	O
precise	O
orbit	B-Application
modeling	O
,	O
2D	O
and	O
3D	B-Application
visualization	I-Application
,	O
sensor	O
modeling	O
,	O
maneuver	O
modeling	O
,	O
maneuver	O
estimation	O
,	O
plotting	O
,	O
orbit	B-Application
determination	O
,	O
tracking	O
data	O
simulation	O
,	O
and	O
space	O
environment	O
modeling	O
.	O
</s>
<s>
FreeFlyer	B-Application
implements	O
standard	O
astrodynamics	O
models	O
such	O
as	O
the	O
JGM-2	O
,	O
EGM-96	O
,	O
LP-165	O
gravity	O
potential	O
models	O
;	O
the	O
Jacchia-Roberts	O
,	O
Harris-Priester	O
,	O
and	O
NRL-MSIS	B-Application
atmospheric	O
density	O
models	O
;	O
the	O
International	O
Reference	O
Ionosphere	O
model	O
;	O
and	O
the	O
International	O
Geomagnetic	O
Reference	O
Field	O
magnetic	O
field	O
model	O
.	O
</s>
<s>
solutions	O
,	O
Inc	O
.	O
is	O
the	O
owner	O
and	O
developer	O
of	O
FreeFlyer	B-Application
which	O
has	O
been	O
in	O
use	O
since	O
1997	O
.	O
</s>
<s>
FreeFlyer	B-Application
is	O
utilized	O
by	O
NASA	O
,	O
NOAA	O
,	O
and	O
the	O
USAF	O
for	O
space	O
mission	O
operations	O
,	O
mission	O
assurance	O
,	O
and	O
analysis	O
support	O
.	O
</s>
<s>
FreeFlyer	B-Application
has	O
been	O
used	O
to	O
support	O
many	O
spacecraft	O
missions	O
,	O
for	O
mission	O
planning	O
analysis	O
,	O
operational	O
analysis	O
,	O
or	O
both	O
.	O
</s>
<s>
FreeFlyer	B-Application
has	O
also	O
been	O
successfully	O
used	O
to	O
conduct	O
analysis	O
in	O
both	O
the	O
high-performance	B-Architecture
computing	I-Architecture
(	O
HPC	O
)	O
and	O
service-oriented	O
architecture	O
(	O
SOA	O
)	O
environments	O
.	O
</s>
<s>
FreeFlyer	B-Application
is	O
one	O
stand-alone	O
product	O
with	O
no	O
added	O
modules	O
,	O
though	O
it	O
does	O
have	O
two	O
tiers	O
of	O
rising	O
functionality	O
.	O
</s>
<s>
The	O
FreeFlyer	B-Application
Engineer	O
and	O
Mission	O
tiers	O
contain	O
an	O
integrated	O
scripting	O
language	O
and	O
development	O
environment	O
.	O
</s>
<s>
The	O
scripting	O
language	O
is	O
an	O
object-oriented	B-Language
script	O
with	O
objects	O
and	O
commands	O
.	O
</s>
<s>
An	O
example	O
of	O
FreeFlyer	B-Application
scripting	O
is	O
this	O
:	O
</s>
