<s>
SkySat	B-Application
is	O
a	O
constellation	O
of	O
sub-meter	O
resolution	O
Earth	O
observation	O
satellites	O
owned	O
by	O
Planet	O
Labs	O
,	O
providing	O
imagery	O
,	O
high-definition	O
video	O
and	O
analytics	O
services	O
.	O
</s>
<s>
Planet	O
acquired	O
the	O
satellites	O
with	O
their	O
purchase	O
of	O
Terra	B-Application
Bella	I-Application
(	O
formerly	O
Skybox	B-Application
Imaging	I-Application
)	O
,	O
a	O
Mountain	O
View	O
,	O
California-based	O
company	O
founded	O
in	O
2009	O
by	O
Dan	O
Berkenstock	O
,	O
Julian	O
Mann	O
,	O
John	O
Fenwick	O
,	O
and	O
Ching-Yu	O
Hu	O
,	O
from	O
Google	B-Application
in	O
2017	O
.	O
</s>
<s>
The	O
resolution	O
of	O
the	O
SkySat	B-Application
satellite	O
imagery	O
and	O
videos	O
is	O
high	O
enough	O
to	O
observe	O
objects	O
that	O
impact	O
the	O
global	O
economy	O
such	O
as	O
terrain	O
,	O
cars	O
and	O
shipping	O
containers	O
.	O
</s>
<s>
The	O
high-definition	O
satellite	O
video	O
from	O
SkySat	B-Application
satellites	O
"	O
could	O
help	O
us	O
understand	O
our	O
world	O
better	O
by	O
analyzing	O
movement	O
of	O
goods	O
and	O
people	O
,	O
providing	O
visual	O
data	O
about	O
supply	O
chains	O
,	O
shipping	O
,	O
industrial	O
plant	O
activity	O
,	O
and	O
even	O
humanitarian	O
relief	O
efforts	O
"	O
.	O
</s>
<s>
By	O
April	O
2012	O
,	O
Skybox	B-Application
Imaging	I-Application
had	O
raised	O
a	O
total	O
of	O
(	O
equivalent	O
to	O
about	O
$M	O
in	O
)	O
of	O
private	O
capital	O
from	O
Khosla	O
Ventures	O
,	O
Bessemer	O
Venture	O
Partners	O
,	O
Canaan	O
Partners	O
and	O
Norwest	O
Venture	O
Partners	O
to	O
develop	O
the	O
SkySat	B-Application
constellation	O
.	O
</s>
<s>
On	O
21	O
November	O
2013	O
,	O
the	O
first	O
satellite	O
,	O
SkySat-1	O
,	O
was	O
launched	O
on	O
a	O
Dnepr	O
rocket	O
from	O
Dombarovsky	O
Air	O
Base	O
,	O
Russia	O
.	O
</s>
<s>
Less	O
than	O
a	O
month	O
later	O
,	O
on	O
11	O
December	O
2013	O
,	O
the	O
first	O
images	O
captured	O
by	O
the	O
SkySat-1	O
satellite	O
,	O
of	O
Perth	O
,	O
Abu	O
Dhabi	O
,	O
and	O
the	O
coast	O
of	O
Somalia	O
,	O
were	O
released	O
.	O
</s>
<s>
The	O
second	O
satellite	O
,	O
SkySat-2	O
,	O
launched	O
on	O
a	O
Soyuz-2/Fregat	O
rocket	O
from	O
Baikonur	O
,	O
Kazakhstan	O
on	O
8	O
July	O
2014	O
.	O
</s>
<s>
On	O
10	O
February	O
2014	O
,	O
SSL	O
announced	O
that	O
Skybox	O
had	O
awarded	O
it	O
a	O
contract	O
to	O
build	O
13	O
more	O
satellites	O
based	O
on	O
a	O
revised	O
"	O
SkySat	B-Application
C	O
"	O
design	O
.	O
</s>
<s>
The	O
first	O
of	O
these	O
,	O
Skysat-3	O
,	O
also	O
referred	O
to	O
as	O
SkySat-C1	O
,	O
was	O
launched	O
on	O
22	O
June	O
2016	O
by	O
Indian	O
Space	O
Research	O
Organisation	O
(	O
ISRO	O
)	O
on	O
Polar	O
Satellite	O
Launch	O
Vehicle	O
PSLV-C34	O
.	O
</s>
<s>
On	O
10	O
June	O
2014	O
,	O
Skybox	B-Application
Imaging	I-Application
announced	O
that	O
it	O
had	O
entered	O
into	O
an	O
agreement	O
to	O
be	O
acquired	O
by	O
Google	B-Application
for	O
(	O
equivalent	O
to	O
about	O
$M	O
in	O
)	O
.	O
</s>
<s>
Skybox	B-Application
Imaging	I-Application
changed	O
its	O
name	O
to	O
"	O
Terra	B-Application
Bella	I-Application
"	O
on	O
8	O
March	O
2016	O
,	O
to	O
indicate	O
its	O
focus	O
on	O
image	O
analytics	O
.	O
</s>
<s>
The	O
new	O
name	O
was	O
partially	O
based	O
on	O
the	O
Terra	B-Application
Bella	I-Application
Avenue	O
in	O
Mountain	O
View	O
,	O
California	O
,	O
where	O
the	O
company	O
's	O
headquarters	O
are	O
located	O
.	O
</s>
<s>
Terra	B-Application
bella	I-Application
is	O
Italian	O
for	O
"	O
beautiful	O
Earth	O
"	O
.	O
</s>
<s>
The	O
name	O
change	O
was	O
also	O
partially	O
due	O
to	O
perceived	O
trademark	O
infringement	O
that	O
came	O
to	O
light	O
in	O
the	B-Application
Google	I-Application
acquisition	O
.	O
</s>
<s>
Four	O
more	O
SkySat	B-Application
units	O
were	O
launched	O
on	O
16	O
September	O
2016	O
,	O
by	O
the	O
Vega	O
rocket	O
's	O
seventh	O
flight	O
from	O
Kourou	O
.	O
</s>
<s>
In	O
2017	O
,	O
Google	B-Application
sold	O
Terra	B-Application
Bella	I-Application
and	O
its	O
SkySat	B-Application
satellite	O
constellation	O
to	O
Planet	O
Labs	O
,	O
adding	O
to	O
their	O
existing	O
fleet	O
of	O
around	O
50	O
satellites	O
,	O
for	O
an	O
undisclosed	O
price	O
and	O
entered	O
into	O
a	O
multi-year	O
agreement	O
to	O
purchase	O
SkySat	B-Application
imaging	O
data	O
.	O
</s>
<s>
Planet	O
Labs	O
launched	O
six	O
more	O
SkySat	B-Application
satellites	O
,	O
along	O
with	O
four	O
Dove	O
CubeSats	O
,	O
on	O
a	O
Minotaur-C	O
rocket	O
from	O
Vandenberg	O
Air	O
Force	O
Base	O
on	O
31	O
October	O
2017	O
.	O
</s>
<s>
An	O
additional	O
two	O
SkySat	B-Application
satellites	O
and	O
three	O
Dove	O
CubeSats	O
were	O
launched	O
on	O
a	O
Falcon	O
9	O
rocket	O
from	O
Vandenberg	O
on	O
3	O
December	O
2018	O
.	O
</s>
<s>
The	O
SkySat	B-Application
satellites	O
are	O
based	O
on	O
the	O
CubeSat	O
concept	O
,	O
using	O
inexpensive	O
automotive	O
grade	O
electronics	O
and	O
fast	O
commercially	O
available	O
processors	O
,	O
but	O
scaled	O
up	O
to	O
approximately	O
the	O
size	O
of	O
a	O
minifridge	O
.	O
</s>
<s>
The	O
first	O
three	O
prototype	O
satellites	O
(	O
SkySat-1	O
,	O
2	O
and	O
3	O
)	O
were	O
produced	O
by	O
Skybox	B-Application
Imaging	I-Application
in-house	O
.	O
</s>
<s>
SkySats	B-Application
1	O
&	O
2	O
did	O
not	O
have	O
a	O
propulsion	O
system	O
,	O
SkySat	B-Application
3	O
had	O
a	O
propulsion	O
system	O
built	O
by	O
ECAPS	O
in	O
Sweden	O
.	O
</s>
<s>
The	O
13	O
SkySat-C	O
satellites	O
are	O
slightly	O
larger	O
and	O
heavier	O
(	O
with	O
mass	O
about	O
120kg	O
or	O
264lbs	O
)	O
than	O
the	O
prototypes	O
.	O
</s>
<s>
The	O
SkySat-C	O
satellites	O
were	O
put	O
on	O
a	O
sun-synchronous	O
orbit	O
.	O
</s>
<s>
Three	O
of	O
Planet	O
's	O
commercial	O
SkySat	B-Application
(	O
SkySat-16	O
,	O
-17	O
and	O
-18	O
)	O
Earth-imaging	O
spacecraft	O
launched	O
on	O
top	O
of	O
a	O
stack	O
of	O
58	O
SpaceX	O
Starlink-8	O
satellites	O
on	O
13	O
June	O
2020	O
aboard	O
a	O
Falcon	O
9	O
rocket	O
,	O
and	O
three	O
more	O
(	O
SkySat-19	O
,	O
-20	O
and	O
-21	O
)	O
hitched	O
a	O
ride	O
on	O
another	O
SpaceX	O
mission	O
on	O
August	O
18	O
,	O
2020	O
.	O
</s>
<s>
Built	O
by	O
Maxar	O
Technologies	O
,	O
each	O
of	O
the	O
SkySat	B-Application
satellites	O
weighs	O
around	O
at	O
launch	O
.	O
</s>
<s>
The	O
SkySats	B-Application
are	O
about	O
the	O
size	O
of	O
a	O
mini-refrigerator	O
,	O
and	O
their	O
optical	O
instruments	O
produce	O
images	O
of	O
Earth	O
with	O
a	O
resolution	O
of	O
50cm	O
,	O
according	O
to	O
Planet	O
.	O
</s>
