swap_horiz CORONA (KH-4) Alternatives
Looking for alternatives to CORONA (KH-4)? Compare the top Satellite options ranked by our AI scoring system.
CORONA (KH-4)
CORONA was a highly classified United States military reconnaissance satellite program developed by the CIA and the Air Force. Operating from 1959 to 1972 under the cover name Discoverer, it became America's first operational space photoreconnaissance system. The satellites used a panoramic camera s...
apps Top CORONA (KH-4) Alternatives
The top alternative to CORONA (KH-4) in 2026 is SRTM with a score of 9.2/10, followed by Syncom 3 (9.1) and KH-9 Hexagon (8.9).
SRTM
The Shuttle Radar Topography Mission (SRTM) was an international project led by the National Geospatial-Intelligence Age...
Syncom 3
Syncom 3, launched by NASA in 1964, was the world's first geostationary satellite, positioned over the Pacific Ocean and...
KH-9 Hexagon
The KH-9 Hexagon was a series of large photoreconnaissance satellites operated by the US National Reconnaissance Office...
China Space Station (Tiangong)
China Space Station (Tiangong) is China's permanently crewed modular orbital station, with its core Tianhe module launch...
Vela 5B
Vela 5B was a United States Air Force satellite launched in 1969 as part of a military reconnaissance program designed t...
Molniya-1 (series)
Molniya-1 was a Soviet communications satellite series initiated in 1965 to provide television broadcasting and telephon...
UARS
UARS (Upper Atmosphere Research Satellite) was a NASA satellite deployed from Space Shuttle Discovery during the STS-48...
SORCE
SORCE (Solar Radiation and Climate Experiment) was a NASA satellite launched on January 25, 2003 aboard a Pegasus XL roc...
OSCAR-1
OSCAR-1 was the first amateur-built satellite to reach orbit, launched on December 12, 1961 as a secondary payload aboar...
ERBS
The Earth Radiation Budget Satellite (ERBS) was a NASA scientific spacecraft launched from the Space Shuttle Challenger...
Lacrosse 1
Lacrosse 1, designated USA-31, was the first operational synthetic aperture radar (SAR) reconnaissance satellite operate...
COSMIC-2 (constellation)
COSMIC-2 is a constellation of six satellites developed jointly by NOAA and Taiwan's NSPO, launched on June 25, 2019 abo...
AO-7 (OSCAR-7)
AO-7 (OSCAR-7) is an amateur radio satellite constructed by volunteers and launched into low Earth orbit by the Radio Am...
Rohini RS-1
Rohini RS-1 was India's first indigenously built satellite successfully placed in orbit, launched on July 18, 1980 from...
SAMPEX
SAMPEX (Solar Anomalous and Magnetospheric Particle Explorer) was a NASA satellite launched in July 1992 as the first mi...
SO-50 (SaudiSat 1C)
SO-50, also known as SaudiSat 1C, is an amateur radio satellite launched by Saudi Arabia in 2002. It orbits the Earth in...
Helios-2B
Helios-2B is a French military optical reconnaissance satellite launched into a Sun-synchronous polar orbit in 2009. It...
SAR-Lupe 1
SAR-Lupe 1 is a reconnaissance satellite operated by the German Armed Forces and launched in 2006. It was the first of f...
Helios-1A
Helios 1A is a French military optical reconnaissance satellite launched into a sun-synchronous low Earth orbit in July...
AO-91 (Fox-1B)
AO-91, also known as Fox-1B, is an amateur radio CubeSat launched by AMSAT in November 2017. It carries a U/V FM voice t...
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