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This is a list of space probes that have left Earth orbit (or were launched with that intention but failed), organized by their planned destination. It includes planetary probes, solar probes, and probes to asteroids and comets, but excludes lunar missions, which are listed separately at List of lunar probes and List of Apollo missions.
Solar System space probes operational as of November 2024. This is a list of active space probes which have escaped Earth orbit. It includes lunar space probes, but does not include space probes orbiting at the Sun–Earth Lagrangian points (for these, see List of objects at Lagrangian points). A craft is deemed "active" if it is still able to ...
Voyager 1 is a space probe launched by NASA on September 5, 1977, as part of the Voyager program to study the outer Solar System and the interstellar space beyond the Sun's heliosphere. It was launched 16 days after its twin, Voyager 2. It communicates through the NASA Deep Space Network (DSN
It has been erroneously reported [45] on the Internet that the Voyager space probes were controlled by a version of the RCA 1802 (RCA CDP1802 "COSMAC" microprocessor), but such claims are not supported by the primary design documents. The CDP1802 microprocessor was used later in the Galileo space probe, which was designed and built years later ...
The Deep Space series was continued by the Deep Space 2 probes, which were launched in January 1999 piggybacked on the Mars Polar Lander and were intended to strike the surface of Mars (though contact was lost and the mission failed). Deep Space 1 was the first NASA spacecraft to use ion propulsion rather than the traditional chemical-powered ...
At about 120 degrees apart in longitude, their locations were selected so that any space probe at a distance greater than 30,000 kilometers (about 18,640 miles) from Earth can be in radio contact ...
Artificial satellites and space probes in the 1990s Year Origin Name Target Status Description 1990 US/ Europe: Ulysses: Sun: Success: Ulysses solar flyby Japan: Hiten: Moon: Success: Hiten probe, this was the first non-United States or USSR probe to reach the Moon US/ Europe: Hubble Space Telescope: Earth: Success: Launch of the Hubble Space ...
Pale Blue Dot, a photograph of Earth taken on February 14, 1990, by the Voyager 1 space probe from a distance of approximately 6 billion kilometers (3.7 billion miles, 40.5 AU). Earth is seen as a tiny dot within deep space: the blueish-white speck almost halfway up the rightmost band of light.