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DESTINY+ (Demonstration and Experiment of Space Technology for INterplanetary voYage with Phaethon fLyby and dUst Science) is a planned mission to fly by the Geminids meteor shower parent body
3200 Phaethon 3200 Phaethon (; previously sometimes spelled Phæton), provisionally designated , is an active Apollo asteroid with an orbit that brings it closer to the Sun than any other named asteroid (though there are numerous unnamed asteroids with sm ...
, and sample dust originating from the " rock comet". The spacecraft is being developed by the Japanese space agency
JAXA The is the Japanese national air and space agency. Through the merger of three previously independent organizations, JAXA was formed on 1 October 2003. JAXA is responsible for research, technology development and launch of satellites into o ...
and will demonstrate advanced technologies for future deep space exploration. As of October 2024, DESTINY+ is planned to be launched in
fiscal year A fiscal year (also known as a financial year, or sometimes budget year) is used in government accounting, which varies between countries, and for budget purposes. It is also used for financial reporting by businesses and other organizations. La ...
2028.


Overview

, DESTINY+ is planned to be launched from
Tanegashima Space Center The (TNSC) is Japan's primary spaceport, covering approximately about . It is located on the southeastern tip of Tanegashima, the easternmost of the Ōsumi Islands, approximately south of the major island of Kyushu. The site was selected on ...
on an H3
launch vehicle A launch vehicle is typically a rocket-powered vehicle designed to carry a payload (a crewed spacecraft or satellites) from Earth's surface or lower atmosphere to outer space. The most common form is the ballistic missile-shaped multistage ...
. A launch vehicle change from
Epsilon S The Epsilon Launch Vehicle, or (formerly Advanced Solid Rocket), is a Japanese solid-fuel rocket designed to launch Science, scientific satellites. It is a follow-on project to the larger and more expensive M-V rocket which was retired in 2006 ...
to H3 delayed the launch date from 2025 to JFY2028, although there's no change of fly-by with 3200 Phaeton in JFY2030. In previous plan, it was to be launched by Epsilon S into low-Earth orbit in 2025 and to spend 1.5 years raising its orbit with ion engines. A lunar flyby (at ~) would have accelerated the probe into an interplanetary orbit. During this cruise time it will fly by a few
near Earth object A near-Earth object (NEO) is any small Solar System body orbiting the Sun whose closest approach to the Sun (Apsis, perihelion) is less than 1.3 times the Earth–Sun distance (astronomical unit, AU). This definition applies to the object's orb ...
s for study, including the transition body
3200 Phaethon 3200 Phaethon (; previously sometimes spelled Phæton), provisionally designated , is an active Apollo asteroid with an orbit that brings it closer to the Sun than any other named asteroid (though there are numerous unnamed asteroids with sm ...
in 2030, as well as measure interplanetary and
interstellar dust Cosmic dustalso called extraterrestrial dust, space dust, or star dustis dust that occurs in outer space or has fallen onto Earth. Most cosmic dust particles measure between a few molecules and , such as micrometeoroids (30 μm). Cosmic dust can ...
.
and
Hayabusa2 is an asteroid sample-return mission operated by the Japanese state space agency JAXA. It is a successor to the ''Hayabusa'' mission, which returned asteroid samples for the first time in June 2010. ''Hayabusa2'' was launched on 3 December 2 ...
, but while its predecessors operated only up to three engines simultaneously, DESTINY+ will use all four simultaneously for a total thrust of 40 mN (specific impulse: 3000 seconds; acceleration: 83 μm/s2; power: 1670
watt The watt (symbol: W) is the unit of Power (physics), power or radiant flux in the International System of Units (SI), equal to 1 joule per second or 1 kg⋅m2⋅s−3. It is used to quantification (science), quantify the rate of Work ...
s.) The total dry mass (excludes xenon propellant) of the ion engine system is .


Payload

DESTINY+ will carry three scientific instruments: * DESTINY Dust Analyzer (DDA) — The DESTINY Dust Analyzer (2.7 kg) will be provided by the
German Aerospace Center The German Aerospace Center (, abbreviated DLR, literally ''German Center for Air- and Space-flight'') is the national center for aerospace, energy and transportation research of Germany, founded in 1969. It is headquartered in Cologne with 3 ...
(DLR), and is being developed by the
University of Stuttgart The University of Stuttgart () is a research university located in Stuttgart, Germany. It was founded in 1829 and is organized into 10 faculties. It is one of the oldest technical universities in Germany with programs in civil, mechanical, ind ...
. * Telescopic Camera for Phaethon (TCAP) — The telescopic camera has a mass of 15.8 kg. * Multiband Camera for Phaethon (MCAP) — The multiband camera has a mass of 3.5 kg and will detect light in 390 nm, 550 nm, 700 nm, 850 nm
wavelength In physics and mathematics, wavelength or spatial period of a wave or periodic function is the distance over which the wave's shape repeats. In other words, it is the distance between consecutive corresponding points of the same ''phase (waves ...
s.


See also

*
Lucy Lucy is an English language, English feminine given name derived from the Latin masculine given name Lucius with the meaning ''as of light'' (''born at dawn or daylight'', maybe also ''shiny'', or ''of light complexion''). Alternative spellings ar ...
– NASA mission to flyby multiple
Jupiter trojan The Jupiter trojans, commonly called trojan asteroids or simply trojans, are a large group of asteroids that share the planet Jupiter's orbit around the Sun. Relative to Jupiter, each Trojan (celestial body), trojan Libration point orbit, librat ...
s * OKEANOS – proposed JAXA Jupiter trojan flyby mission using
solar sail Solar sails (also known as lightsails, light sails, and photon sails) are a method of spacecraft propulsion using radiation pressure exerted by sunlight on large surfaces. A number of spaceflight missions to test solar propulsion and navigati ...
/solar electric propulsion hybrid *
OSIRIS-REx OSIRIS-REx was a NASA asteroid-study and sample-return mission that visited and collected samples from 101955 Bennu, a C-type asteroid, carbonaceous near-Earth object, near-Earth asteroid. The material, returned in September 2023, is expected ...
– NASA sample-return mission to the carbonaceous asteroid
101955 Bennu 101955 Bennu ( provisional designation ) is a carbonaceous asteroid in the Apollo group discovered by the LINEAR Project on 11 September 1999. It is a potentially hazardous object that is listed on the Sentry Risk Table and has the second hig ...
*
Rosetta Rosetta ( ) or Rashid (, ; ) is a port city of the Nile Delta, east of Alexandria, in Egypt's Beheira governorate. The Rosetta Stone was discovered there in 1799. Founded around the 9th century on the site of the ancient town of Bolbitine, R ...
– ESA mission to comet
67P/Churyumov–Gerasimenko 67P/Churyumov–Gerasimenko (abbreviated as 67P or 67P/C–G) is a Jupiter-family comet. It is originally from the Kuiper belt and has an orbital period of 6.45 years as of 2012, a rotation period of approximately 12.4 hours, and a maximum velo ...


References


External links


Official project site
{{Future spaceflights Missions to asteroids Missions to comets Japanese space probes 2028 in spaceflight Proposed space probes