“Quick Bird” Sciences “Ikonos” Space Ltd. “Early Bird” “Resource
“Orb View 3” “EROS” 21”
partners
Ball
Hitachi
Telespazio
MDA
Orbital
Sciences
Lockheed Martin
E-Systems
Mitsubishi
Israeli Aircraft
Ind.
Core Soft
ware Techn.
Ball
Hitachi
Telespazio
MDA
Boeing
Farmland
GDE
ITD
Geophys. &
Env. Res.
Corp.
Space Vest
launch
1. 1999
2. 2000
1999
1. failed
2. Sep 1999
1. Failed
2. 1999
to 6. 2003
failed
1. 2000 (2)
2. 2001 (2)
1. 2000 (2)
2. 2001 (2)
3.2002 (2)
cancelled
mode
Pan
MS
Pan
MS
Pan
MS
Pan
Pan
MS
MS
Pan
MS
Pan
MS
hyper-
spectral
quantization
11 bit
11x4
bit
8 bit
8 bit
11 bit
11 bit
10 bit
8 bit
8x3
bit
12 bit
11
bit
11 bit
resolution
0.82 m
3.28
m
1 & 2
m
4 m
0.82 m
4 m
1.3 m
3.2 m
15 m
10
m
20
m
100
m
10 m
channels
1
4
1
4
1
4
1
1
3
4
2
1
1
5
60
swath
22 km
8 km
11 km
13.5 km
6 km
30 km
205 km
112 km
pointing in track
±30°
±50°
±45°
±45°
±30°
±30°
-
2 convergent sensors
pointing cross
track
±30°
±50°
±45°
±45°
±28°
±40°
-
sensor position
GPS
GPS
GPS
GPS
GPS
GPS
GPS
GPS
sensor attitude
star trackers
2 star trackers
3 star trackers
-
1 star tracker
star trackers
star trackers
2 star trackers
expected
accuracy with
GCP’s
horiz
vert
horiz
vert
horiz
vert
horiz
vert
horiz
vert
5 m abs.
1 m rei.
horiz
horiz
vert
2 m
2 m
7.5 m
3.3 m
2 m
3 m
6 m
4 m
6 m
4 m
3 m
5 m
3 m
Without GCP’s
23 m
17 m
12 m
8 m
12 m
8 m
800 m
150 m
30 m
25 m
Figure 11: Commercial Earth Observation Satellites
