José De Queiroz (born 9 August 1954) is a Portuguese-born,
Swiss
Swiss most commonly refers to:
* the adjectival form of Switzerland
* Swiss people
Swiss may also refer to: Places
* Swiss, Missouri
* Swiss, North Carolina
* Swiss, West Virginia
* Swiss, Wisconsin
Other uses
* Swiss Café, an old café located ...
amateur
astronomer
An astronomer is a scientist in the field of astronomy who focuses on a specific question or field outside the scope of Earth. Astronomers observe astronomical objects, such as stars, planets, natural satellite, moons, comets and galaxy, galax ...
and discoverer of
minor planets
According to the International Astronomical Union (IAU), a minor planet is an astronomical object in direct orbit around the Sun that is exclusively classified as neither a planet nor a comet. Before 2006, the IAU officially used the term ''minor ...
, as well as a restaurant manager in
Falera
Falera is a Municipalities of Switzerland, municipality in the Surselva Region in the Switzerland, Swiss Cantons of Switzerland, canton of Graubünden.
Falera is a part of the ''Alpenarena'' along with the towns of Flims and Laax and is the most s ...
in the Swiss canton of
Graubünden.
Career
Queiroz was born in
Lisbon
Lisbon ( ; ) is the capital and largest city of Portugal, with an estimated population of 567,131, as of 2023, within its administrative limits and 3,028,000 within the Lisbon Metropolitan Area, metropolis, as of 2025. Lisbon is mainlan ...
. In 1956 the family moved to
Braga
Braga (; ) is a cities of Portugal, city and a Municipalities of Portugal, municipality, capital of the northwestern Portugal, Portuguese Braga (district), district of Braga and of the historical and cultural Minho Province. Braga Municipality ...
in northern
Portugal
Portugal, officially the Portuguese Republic, is a country on the Iberian Peninsula in Southwestern Europe. Featuring Cabo da Roca, the westernmost point in continental Europe, Portugal borders Spain to its north and east, with which it share ...
, where José frequented school. Once graduated from a technical school, he then studied chemistry at the Instituto Superior de Engenharia in Porto. After the
Carnation Revolution
The Carnation Revolution (), code-named Operation Historic Turn (), also known as the 25 April (), was a military coup by military officers that overthrew the Estado Novo government on 25 April 1974 in Portugal. The coup produced major socia ...
, José no longer felt at ease in Portugal and left the country in summer of 1974 for Switzerland.
Thanks to his knowledge of languages he found a job in
Ormont-Dessus
Ormont-Dessus is a Municipalities of Switzerland, municipality of the Cantons of Switzerland, canton of Vaud in Switzerland, located in the district of Aigle (district), Aigle.
History
Ormont-Dessus is first mentioned in 1200 as ''Ormont''. The ...
, in a holiday home as a caregiver for children of wealthy parents from all over the world. After a year, however, he started to work in the tourism industry. Following several years of working as a waiter in various hotels in the canton of Vaud and in the Bernese Oberland he came to
Lenzerheide
Lenzerheide ( Romansh: ''Lai'') is a mountain resort in the canton of Graubünden, Switzerland at the foot of the Parpaner Rothorn. The village lies in the municipality Vaz/Obervaz in the district of Albula, sub-district Alvaschein.
Th ...
in the Grisons, where he worked at the hotel "Guardaval Sporz". At the same time he attended the Hotel Management School of Alpine Hotel Management and graduated as hotel assistant manager. In Lenzerheide he also got to know Ladina Jezek from the Engadin, whom he married in 1985. Soon after, he was naturalized as Swiss citizen of
Zernez
Zernez is a village and a municipalities of Switzerland, municipality in the Engiadina Bassa/Val Müstair Region in the Switzerland, Swiss Cantons of Switzerland, canton of Graubünden. On 1 January 2015 the former municipalities of Lavin and Susch ...
, the hometown of his wife.
After his graduation, the couple moved in the same year to Falera in the
Surselva
Surselva Region is one of the eleven administrative districts in the canton of Graubünden in Switzerland. It was created on 1 January 2017 as part of a reorganization of the canton.[Flims
Flims () is a municipality in the Imboden Region in the Swiss canton of Graubünden. The town of Flims is dominated by the Flimserstein which one can see from almost anywhere in the area.
Flims consists of the village of Flims (called Flims D ...]
. In December 1989, De Queiroz leased in Falera the restaurant "Casa Seeli". In 2005 it was sold and the new owner wanted operate the restaurant himself. Shortly afterwards, José De Queiroz leased the restaurant "Encarna" in Falera, which he manages until today.
Astronomy

In Falera, José De Queiroz became interested in astronomy. In the autumn of 1999, he observed the night sky for the first time with a small telescope from his terrace. He started to study all by himself; the telescopes became bigger.
In 2000, De Queiroz became a very active member of the "Astronomical Association of the Grisons". In 2002, at his initiative, the first telescope meeting took place in Falera, followed by yearly repetitions. Well-known speakers such as Bruno Stanek and the astronaut
Claude Nicollier
Claude Nicollier (born 2 September 1944) is the first astronaut from Switzerland. He has flown on four Space Shuttle missions. His first spaceflight ( STS-46) was in 1992, and his final spaceflight ( STS-103) was in 1999. He took part in two serv ...
transmitted their expertise. The 'Astronomy Days' in Falera are now among the most popular meetings of amateur astronomers from all over Switzerland and neighbouring countries. From 13 to 16 September 2012, the meeting was held for the eleventh time.
The construction of the observatory
Sternwarte Mirasteilas
The Mirasteilas Observatory (; Romansh language, Romansh for "stargazer") is an astronomical observatory in Falera in the canton of Grisons in Switzerland. With its 90-centimeter telescope it is the largest publicly accessible observatory in Switz ...
above Falera also goes back to the initiative of De Queiroz. It is equipped with a 90-centimeter
Cassegrain reflector
The Cassegrain reflector is a combination of a primary concave mirror and a secondary convex mirror, often used in optical telescopes and Antenna (radio), radio antennas, the main characteristic being that the optical path folds back onto itself, ...
, the largest reflecting telescope of all private observatories in Switzerland. Inaugurated in summer 2007, Mirasteilas is the largest publicly accessible observatory in Switzerland .
In recognition of his services for Falera, the municipality granted José De Queiroz local citizenship 9 June 2009.
Minor planet discoveries
De Queiroz discovered the first minor planet on 18 March 2009; the last to date (with the provisional designation GP75) he photographed in the night from 13 to 14 April 2010. Such findings are reported to the
Minor Planet Centre
The Minor Planet Center (MPC) is the official body for observing and reporting on minor planets under the auspices of the International Astronomical Union (IAU). Founded in 1947, it operates at the Smithsonian Astrophysical Observatory.
Function ...
of the International Astronomical Union, where the data of all the minor planets, asteroids and comets are collected and reviewed.
José De Queiroz discovered so far 62 asteroids; three of which have received a name: in autumn 2009, he discovered with the large telescope three unknown asteroids that were named Falera, Chur and Marcia (the latter named after his daughter). Another asteroid (72042), discovered by his astronomer friend
Stefano Sposetti
Stefano Sposetti (born 22 December 1958) is a Swiss amateur astronomer and a prolific discoverer of minor planets. He lives in Gnosca, in the Italian-speaking part of Switzerland in the Ticino Alps, where the Gnosca Observatory is located.
S ...
of the observatory
Gnosca
Gnosca is a former Municipalities of Switzerland, municipality in the district of Bellinzona (district), Bellinzona in the Cantons of Switzerland, canton of Ticino in Switzerland.
On 2 April 2017 the former municipalities of Camorino, Claro, Swit ...
in the canton of Ticino, was baptized by the discoverer in the name of Dequeiroz.
Die Südostschweiz, 14. Februar 2011
/ref>
Since the autumn of 2012, De Queiroz has been busy with stellar occultation
An occultation is an event that occurs when one object is hidden from the observer by another object that passes between them. The term is often used in astronomy, but can also refer to any situation in which an object in the foreground blocks f ...
. Together with other amateur astronomers, including Stefano Sposetti from the Ticino and the Austrian Gerhard Dangl, he covers transit data, documenting diameter, shape and orbit of asteroids.
References
External links
Sternwarte Mirasteilas
NZZ, german
5. November 2012
José De Queiroz in Swiss TV
{{DEFAULTSORT:De Queiroz, Jose
1954 births
21st-century Swiss astronomers
Discoverers of asteroids
*
Living people
20th-century Swiss astronomers