swap_horiz Vela 5B Alternatives

1

CORONA (KH-4)

CORONA was a highly classified United States military reconnaissance satellite program developed by the CIA and the Air...

1960S Reconnaissance Leo Cia Usaf

9.2 Excellent

2

SRTM

The Shuttle Radar Topography Mission (SRTM) was an international project led by the National Geospatial-Intelligence Age...

2000S Leo Dem Generation Nasa Usaf

9.2 Excellent

3

TRMM

The Tropical Rainfall Measuring Mission (TRMM) was a joint space mission between NASA and the Japan Aerospace Exploratio...

1990S Nasa Jaxa Precipitation Low Inclination

9.1 Excellent

4

WorldView-3

WorldView-3 is a high-resolution commercial Earth observation satellite operated by Maxar and launched in 2014. It provi...

High Resolution 2010S Polar Orbit Maxar

9.1 Excellent

5

TanDEM-X

TanDEM-X (Terrain Digital Elevation Model) is a German radar satellite launched in 2010 by the German Aerospace Center (...

2010S Sar Polar Orbit Airbus Dlr

9.1 Excellent

6

Syncom 3

Syncom 3, launched by NASA in 1964, was the world's first geostationary satellite, positioned over the Pacific Ocean and...

Geostationary 1960S Nasa Communications

9.1 Excellent

7

Himawari-8

Himawari-8 is a Japanese geostationary meteorological satellite operated by the Japan Meteorological Agency. Launched in...

Japan Geostationary 2010S Weather

9.0 Excellent

8

GOES-R (GOES-16)

GOES-16, the first satellite of the GOES-R series, is a geostationary weather satellite operated by the National Oceanic...

Geostationary 2010S Weather Noaa

9.0 Excellent

9

IKONOS

IKONOS was a pioneering commercial Earth observation satellite launched in 1999 by Space Imaging (later GeoEye). As the...

High Resolution 1990S Polar Orbit Commercial Imagery

8.9 Great

10

KH-9 Hexagon

The KH-9 Hexagon was a series of large photoreconnaissance satellites operated by the US National Reconnaissance Office...

1970S Reconnaissance Leo Declassified

8.9 Great

11

IKONOS-2

IKONOS-2 was a commercial Earth observation satellite launched in 1999 by Space Imaging (later GeoEye). It holds the dis...

High Resolution Commercial 1990S Polar Orbit

8.9 Great

12

NIMBUS-7

Nimbus-7 was an American meteorological research satellite launched by NASA in 1978 into a sun-synchronous orbit. As the...

Historic 1970S Nasa Earth Observation

8.8 Great

13

Molniya-1 (series)

Molniya-1 was a Soviet communications satellite series initiated in 1965 to provide television broadcasting and telephon...

1960S Soviet Communications Heo

8.5 Great

14

GPS Block IIIA SV01

GPS Block IIIA SV01, also known as "Vespucci," is the first satellite of the United States' modernized Global Positionin...

Navigation 2010S Usaf Meo

8.3 Great

15

OSCAR-1

OSCAR-1 was the first amateur-built satellite to reach orbit, launched on December 12, 1961 as a secondary payload aboar...

1960S Leo Amateur Radio Amsat

8.3 Great

16

GPS Block IIF

GPS Block IIF is a generation of Global Positioning System satellites manufactured by Boeing for the United States Air F...

Navigation 2010S Usaf Meo

8.2 Great

17

GPS Block IIR-M

GPS Block IIR-M (Modernized) satellites are upgraded versions of the Block IIR GPS navigation satellites built by Lockhe...

Navigation 2000S Usaf Meo

8.0 Great

18

NOAA-9

NOAA-9 is an American weather satellite launched in December 1984 as part of the TIROS-N series. It operates in a polar...

Historic 1980S Weather Noaa

7.3 Good

19

DMSP F18

DMSP F18 (Defense Meteorological Satellite Program Flight 18) is a weather satellite operated by the United States Air F...

Defense 2000S Usaf Polar Orbit

7.0 Good

20

DMSP F17

DMSP F17 is a meteorological satellite operated by the United States Air Force as part of the Defense Meteorological Sat...

Defense 2000S Usaf Polar Orbit

6.9 Fair