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Interkosmos 22, more commonly known as Bulgaria 1300 (Bulgarian: Интеркосмос 22-България 1300), was Bulgaria's first artificial satellite.

Bulgaria 1300
Mission typeScience
OperatorBSA
COSPAR ID1981-075A
SATCAT no.12645
Spacecraft properties
ManufacturerBAC
BAS
SSA[citation needed]
Launch mass1,500 kilograms (3,300 lb)
Start of mission
Launch date7 August 1981, 13:35 (1981-08-07UTC13:35Z) UTC
RocketVostok-2M
Launch sitePlesetsk 43/3
Orbital parameters
Reference systemGeocentric
RegimeLow Earth
Perigee altitude825 kilometres (513 mi)
Apogee altitude906 kilometres (563 mi)
Inclination81.2 degrees
Period101.6
EpochEpoch start: 1981-08-06 20:00:00 UTC
 

It was named after the 1300th anniversary of the foundation of the Bulgarian state. It was designed to study the ionosphere and magnetosphere of the Earth.[1]


Description


The satellite was developed by the Bulgarian Space Agency around the "Meteor" bus, provided by the Soviet Union as part of the Interkosmos program.[2] Assembly took place in Bulgaria, and the spacecraft was launched from Plesetsk in 13:35 local time on 7 August 1981.[3] During that same year the Bulgarian government organized a massive celebration to commemorate the 1300th anniversary of the country's founding.

Interkosmos 22 was successfully inserted in a near-polar orbit. The outer skin of the spacecraft, including the solar panels, is coated with a conducting material in order to allow the proper measurement of electric fields and low energy plasma. Power is provided by the two solar panels, which generate 2 kW of electricity. A rechargeable battery pack is used as an energy supply when the spacecraft is in an eclipse period. Gathered data is stored on two tape recorders, each with a capacity of 60 megabits. The main transmitter radiates 10 W in the 130-MHz band. No operational limit was planned. As of 2009, the satellite was operational and it is still on BSA's list of active programs. It provides data about the extraterrestrial environment over Earth's polar regions.[4]


Equipment


The satellite contains a large set of scientific devices, designed and built in Bulgaria:

A copy of the SEIT unit from the satellite, National Polytechnical Museum in Sofia
A copy of the SEIT unit from the satellite, National Polytechnical Museum in Sofia

See also



References


  1. Serafimov, K.; Chapkanov, S.; Gogoshev, M.; Kutiev, I.; Gousheva, M.; Ivanova, T.; Petkov, N.; Samardjiev, T.; Sargoichev, S.; Balebanov, V.; Podgorni, I. (1983). "First results of the Bulgaria-1300". Acta Astronautica. Elsevier. 10 (5–6): 263–268. doi:10.1016/0094-5765(83)90075-9.
  2. "Interkosmos 22". Retrieved 12 December 2017.
  3. "NSSDCA Spacecraft Details". NASA. Retrieved 12 December 2017.
  4. "Intercosmos 22 Satellite details". n2yo.com. Retrieved 12 December 2017.

На других языках


- [en] Bulgaria 1300

[es] Intercosmos 22

Intercosmos 22, también denominado IK-B-1300 o IK Bulgaria 1300, fue satélite artificial soviético lanzado por un cohete Soyuz desde el cosmódromo de Plesetsk. El satélite estaba dedicado a la investigación de la ionosfera y la magnetosfera terrestres y su instrumentación fue construido por científicos búlgaros con la ayuda de científicos soviéticos.

[ru] Интеркосмос-Болгария-1300

Интеркосмос-Болгария-1300 или Интеркосмос-22 — первый болгарский спутник. Каталоговый номер 1981-075A.



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