Ekspress-103

Ekspress-103
NamesЭкспресс-103
Express-103
Mission typeCommunications
OperatorRSCC Space Communications (RSCC)
COSPAR ID2020-053A Edit this at Wikidata
SATCAT no.45985
Websiteeng.rscc.ru
Mission duration15 years (planned)
4 years, 5 months and 11 days (in progress)
Spacecraft properties
SpacecraftEkspress-103
Spacecraft typeEkspress
BusEkspress-1000H
ManufacturerISS Reshetnev (bus)
Thales Alenia Space (payload)
Launch mass2,050 kg (4,520 lb)
Dry mass512 kg (1,129 lb)
Power6.300 kW
Start of mission
Launch date30 July 2020, 21:25:19 UTC[2]
RocketProton-M / Briz-M
Launch siteBaikonur, Site 200/39
ContractorKhrunichev State Research and Production Space Center
Entered service25 March 2021 [1]
Orbital parameters
Reference systemGeocentric orbit
RegimeGeostationary orbit
Longitude96.5° East (2020–present)
Transponders
Band37 transponders:
16 C-band
20 Ku-band
1 L-band
Coverage areaRussia, Southeast Asia

Ekspress-103 (Russian: Экспресс-103 meaning Express-103) is a Russian communications satellite which was launched in 2020. Part of the Ekspress series of geostationary communications satellites, it is owned and operated by the RSCC Space Communications.

Description

Thales Alenia Space, constructed Ekspress-103 payload, and ISS Reshetnev constructed the satellite bus which was based on the Ekspress-1000N. The satellite has a mass of 2,050 kg (4,520 lb), provides 6.3 kilowatts to its payload, and a planned operational lifespan of 15 years. The satellite carried 37 transponders: 16 operating in the C-band of the electromagnetic spectrum, 20 in the Ku-band and 1 in the L-band.[3]

The satellite is designed to provide TV and radio broadcasting services, data transmission, multimedia services, telephony, and mobile communications.[3]

Ekspress-103 was originally to be launched in 2018, but was delayed to 2020. It used a Proton-M / Briz-M launch vehicle to be placed in a supersynchronous geostationary transfer orbit (16,581 km x 5,4811 km x 0.64°) as was Ekspress-80 (16,593 km x 54,812 km x 0.62°).[4]

The Ekspress-103 satellite entered in service at orbital position 96.5° East on 25 March 2021, where it replaced Ekspress-AM33.[1]

See also

References

  1. ^ a b "Proton-M - 30 juillet 2020". Kosmonavtika. 26 March 2021. Retrieved 24 April 2021.
  2. ^ "Launch Log". Jonathan's Space Report. 14 March 2021. Retrieved 24 April 2021.
  3. ^ a b "Express-103 (96.5°E)". RSCC Space Communications. Retrieved 24 April 2021.
  4. ^ "Ekspress-103". Gunter's Space Page. 9 January 2021. Retrieved 24 April 2021.

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