1985-015B - Brasilsat 1

Název objektuBrasilsat 1
Brasilsat A1
SBTS-1 [=Sistema Brasileiro de Telecomunicacoes por Satélite]
Brazilsat A1
SSC 15561
Start1985-02-08 23:22:00 UT, Centre Spatial Guayanais, Ariane 3
Stav objektu na geocentrické dráze
Očekávaná životnost na drázeneomezená
ProvozovatelBrazílie, Embratel
VýrobceKanada, Spar Aerospace
Kategorietelekomunikační družice
Hmotnost982 kg

Parametry dráhy

Epocha Typ i P hP hA Pozn.
96-08-22.31 G 1.51° 1436.08 min 35783 km 35790 km  
96-11-29.58 G 1.71° 1436.15 min 35780 km 35796 km  
97-03-21.43 G 1.94° 1436.08 min 35781 km 35791 km  
97-07-03.34 G 2.15° 1436.13 min 35785 km 35790 km  
97-10-20.22 G 2.36° 1436.10 min 35780 km 35794 km  
98-01-26.22 G 2.56° 1436.05 min 35782 km 35790 km  
98-05-07.15 G 2.76° 1436.14 min 35779 km 35796 km  
98-08-16.43 G 2.96° 1436.15 min 35784 km 35791 km  
98-08-29.67 G 3.01° 1439.04 min 35841 km 35847 km  
98-12-03.62 G 3.16° 1437.10 min 35786 km 35826 km  
98-12-28.90 G 3.22° 1436.08 min 35785 km 35788 km  
99-04-07.45 G 3.42° 1436.08 min 35758 km 35814 km  
99-07-22.53 G 3.64° 1436.08 min 35784 km 35788 km  
99-11-07.34 G 3.85° 1436.08 min 35781 km 35791 km  
00-02-20.52 G 4.06° 1436.10 min 35781 km 35792 km  
00-06-03.62 G 4.27° 1436.10 min 35783 km 35790 km  
00-11-06.52 G 4.58° 1436.00 min 35781 km 35788 km  
01-02-16.63 G 4.79° 1436.02 min 35752 km 35819 km  
01-05-26.46 G 5.00° 1436.14 min 35785 km 35790 km  
01-09-07.58 G 5.21° 1436.04 min 35781 km 35789 km  
01-12-18.14 G 5.42° 1436.05 min 35782 km 35789 km  
02-03-15.39 G 5.61° 1446.48 min 35982 km 35997 km  
02-06-21.13 G 5.84° 1446.50 min 35980 km 36000 km  
02-10-12.10 G 6.05° 1446.47 min 35975 km 36004 km  
03-01-17.53 G 6.27° 1446.52 min 35977 km 36003 km  
03-04-22.96 G 6.48° 1446.56 min 35986 km 35997 km  
03-08-07.43 G 6.70° 1446.49 min 35984 km 35995 km  
03-11-18.90 G 6.93° 1446.55 min 35976 km 36006 km  
04-02-23.33 G 7.15° 1446.44 min 35980 km 35998 km  
04-05-26.74 G 7.36° 1446.57 min 35982 km 36001 km  
05-01-03.74 G 7.85° 1446.57 min 35973 km 36010 km  
05-03-31.12 G 8.05° 1446.47 min 35982 km 35996 km  
05-07-02.54 G 8.26° 1446.51 min 35977 km 36003 km  
05-10-03.96 G 8.47° 1446.59 min 35970 km 36014 km  
06-01-04.37 G 8.68° 1446.45 min 35967 km 36011 km  
06-04-06.78 G 8.89° 1446.52 min 35974 km 36007 km  
06-07-10.20 G 9.10° 1446.58 min 35978 km 36005 km  
06-10-11.62 G 9.31° 1446.44 min 35964 km 36014 km  
07-01-13.04 G 9.52° 1446.54 min 35962 km 36020 km  
07-04-16.45 G 9.73° 1446.56 min 35969 km 36013 km  
07-07-15.86 G 9.93° 1446.44 min 35968 km 36010 km  
07-11-09.38 G 10.19° 1446.56 min 35959 km 36024 km  
08-02-08.78 G 10.39° 1446.46 min 35959 km 36020 km  
08-05-12.20 G 10.60° 1446.55 min 35971 km 36011 km  
08-08-18.64 G 10.81° 1446.52 min 35966 km 36015 km  
08-11-25.08 G 11.02° 1446.49 min 35955 km 36025 km  
09-03-04.52 G 11.23° 1446.58 min 35963 km 36020 km  
09-06-07.95 G 11.43° 1446.44 min 35971 km 36006 km  
09-09-22.42 G 11.65° 1446.58 min 35968 km 36015 km  
10-01-05.89 G 11.86° 1446.46 min 35960 km 36018 km  
10-04-12.33 G 12.06° 1446.59 min 35972 km 36012 km  
10-07-28.81 G 12.27° 1446.44 min 35980 km 35998 km  
10-11-14.29 G 12.48° 1446.58 min 35973 km 36010 km  
11-03-03.78 G 12.68° 1446.49 min 35969 km 36010 km  
11-07-01.31 G 12.89° 1446.46 min 35983 km 35995 km  

Význam parametrů: Epocha - Datum (rok, měsíc, den a zlomek dne), pro něž platí uvedené parametry. Typ - Kód typu oběžné dráhy : G - geocentrická (Země), i - Sklon dráhy (úhel mezi rovinou dráhy a referenční rovinou, tj. rovníkem nebo ekliptikou). P - Perioda (doba oběhu). hP - Výška dráhy v pericentru. hA - Výška dráhy v apocentru.

Pozice na stacionární dráze

Epocha λ Δλ i  Poznámka
09-01-07.27-157.95°-2.56°/d11.11° 
09-01-19.32170.83°-2.55°/d11.14° 
09-02-06.40124.05°-2.56°/d11.17° 
09-02-24.4876.81°-2.58°/d11.21° 
09-03-04.5255.75°-2.58°/d11.23° 
09-03-27.62-4.35°-2.55°/d11.28° 
09-04-12.69-45.97°-2.56°/d11.31° 
09-04-29.77-90.48°-2.58°/d11.35° 
09-05-15.84-132.55°-2.57°/d11.38° 
09-06-02.92-179.54°-2.55°/d11.42° 
09-06-09.95162.28°-2.54°/d11.44° 
09-06-26.02120.68°-2.56°/d11.47° 
09-07-11.0981.31°-2.58°/d11.50° 
09-07-18.1262.87°-2.58°/d11.51° 
09-08-06.2113.07°-2.56°/d11.55° 
09-09-02.33-57.17°-2.56°/d11.61° 
09-09-15.39-91.25°-2.57°/d11.63° 
09-10-04.47-141.17°-2.57°/d11.67° 
09-10-27.58158.94°-2.54°/d11.72° 
09-11-08.63127.75°-2.56°/d11.74° 
09-11-19.6898.96°-2.57°/d11.77° 
09-11-25.7183.17°-2.59°/d11.78° 
09-12-14.7933.23°-2.56°/d11.82° 
10-01-05.89-24.07°-2.55°/d11.86° 
10-01-25.98-76.27°-2.57°/d11.91° 
10-02-07.03-107.83°-2.58°/d11.93° 
10-02-27.12-160.27°-2.55°/d11.97° 
10-09-12.0047.28°-2.57°/d12.36° 
10-09-19.0328.94°-2.56°/d12.37° 
10-10-07.11-17.91°-2.54°/d12.40° 
10-10-20.17-51.77°-2.56°/d12.43° 
10-11-05.24-93.70°-2.57°/d12.46° 
10-11-17.30-125.28°-2.57°/d12.48° 
10-12-02.37-164.53°-2.55°/d12.51° 
10-12-11.41172.06°-2.54°/d12.53° 
10-12-12.41169.46°-2.54°/d12.53° 
10-12-29.49125.28°-2.55°/d12.56° 
11-01-03.51112.20°-2.56°/d12.57° 
11-01-03.51112.20°-2.56°/d12.57° 
11-01-03.51112.20°-2.56°/d12.57° 
11-01-09.5396.45°-2.57°/d12.58° 
11-01-09.5396.45°-2.57°/d12.58° 
11-01-16.5778.03°-2.58°/d12.59° 
11-01-16.5778.03°-2.58°/d12.59° 
11-01-27.6249.05°-2.58°/d12.61° 
11-01-28.6246.43°-2.57°/d12.62° 
11-01-28.6246.43°-2.57°/d12.62° 
11-02-05.6625.47°-2.55°/d12.63° 
11-02-05.6625.47°-2.55°/d12.63° 
11-02-05.6625.47°-2.55°/d12.63° 
11-02-05.6625.47°-2.55°/d12.63° 
11-02-05.6625.47°-2.55°/d12.63° 
11-02-12.697.23°-2.55°/d12.64° 
11-02-12.697.23°-2.55°/d12.64° 
11-02-13.694.62°-2.54°/d12.64° 
11-02-13.694.62°-2.54°/d12.64° 
11-02-13.694.62°-2.54°/d12.64° 
11-02-23.74-21.39°-2.54°/d12.66° 
11-02-23.74-21.39°-2.54°/d12.66° 
11-02-23.74-21.39°-2.54°/d12.66° 
11-02-23.74-21.39°-2.54°/d12.66° 
11-02-23.74-21.39°-2.54°/d12.66° 
11-02-23.74-21.39°-2.54°/d12.66° 
11-03-01.76-37.01°-2.55°/d12.67° 
11-03-01.76-37.01°-2.55°/d12.67° 
11-03-01.76-37.01°-2.55°/d12.67° 
11-03-01.76-37.01°-2.55°/d12.67° 
11-03-08.79-55.26°-2.56°/d12.69° 
11-03-15.83-73.60°-2.57°/d12.70° 
11-03-21.85-89.35°-2.57°/d12.71° 
11-03-21.85-89.35°-2.57°/d12.71° 
11-03-22.86-91.97°-2.57°/d12.71° 
11-03-22.86-91.97°-2.57°/d12.71° 
11-03-27.88-105.13°-2.57°/d12.72° 
11-03-27.88-105.13°-2.57°/d12.72° 
11-03-27.88-105.13°-2.57°/d12.72° 
11-04-03.91-123.55°-2.57°/d12.74° 
11-04-03.91-123.55°-2.57°/d12.74° 
11-04-10.94-141.92°-2.56°/d12.75° 
11-04-10.94-141.92°-2.56°/d12.75° 
11-04-16.97-157.61°-2.55°/d12.76° 
11-04-16.97-157.61°-2.55°/d12.76° 
11-04-23.00-173.25°-2.54°/d12.77° 
11-04-28.02173.71°-2.55°/d12.78° 
11-04-28.02173.71°-2.55°/d12.78° 
11-04-28.02173.71°-2.55°/d12.78° 
11-04-28.02173.71°-2.55°/d12.78° 
11-05-06.05152.98°-2.54°/d12.80° 
11-05-06.05152.98°-2.54°/d12.80° 
11-05-06.05152.98°-2.54°/d12.80° 
11-05-12.08137.40°-2.55°/d12.81° 
11-05-12.08137.40°-2.55°/d12.81° 
11-05-18.11121.75°-2.56°/d12.82° 
11-05-18.11121.75°-2.56°/d12.82° 
11-05-19.11119.14°-2.56°/d12.82° 
11-05-19.11119.14°-2.56°/d12.82° 
11-05-26.14100.80°-2.57°/d12.83° 
11-05-26.14100.80°-2.57°/d12.83° 
11-06-02.1882.33°-2.59°/d12.84° 
11-06-02.1882.33°-2.59°/d12.84° 
11-06-11.2258.66°-2.57°/d12.86° 
11-06-11.2258.66°-2.57°/d12.86° 
11-06-11.2258.66°-2.57°/d12.86° 
11-06-11.2258.66°-2.57°/d12.86° 
11-06-11.2258.66°-2.57°/d12.86° 
11-06-16.2445.50°-2.58°/d12.87° 
11-06-16.2445.50°-2.58°/d12.87° 
11-06-17.2442.89°-2.56°/d12.87° 
11-06-17.2442.89°-2.56°/d12.87° 
11-06-17.2442.89°-2.56°/d12.87° 
11-06-17.2442.89°-2.56°/d12.87° 
11-06-17.2442.89°-2.56°/d12.87° 
11-06-17.2442.89°-2.56°/d12.87° 
11-07-01.316.31°-2.54°/d12.89° 
11-07-01.316.31°-2.54°/d12.89° 
11-07-02.313.70°-2.54°/d12.90° 
11-07-02.313.70°-2.54°/d12.90° 
11-07-09.34-14.49°-2.54°/d12.91° 
11-07-09.34-14.49°-2.54°/d12.91° 
11-07-09.34-14.49°-2.54°/d12.91° 
11-07-10.35-17.10°-2.54°/d12.91° 
11-07-10.35-17.10°-2.54°/d12.91° 
11-07-18.38-37.92°-2.55°/d12.92° 
11-07-18.38-37.92°-2.55°/d12.92° 
11-07-18.38-37.92°-2.55°/d12.92° 
11-07-26.42-58.80°-2.56°/d12.94° 
11-07-27.42-61.40°-2.56°/d12.94° 
11-07-27.42-61.40°-2.56°/d12.94° 
11-07-27.42-61.40°-2.56°/d12.94° 
11-08-02.45-77.13°-2.56°/d12.95° 
11-08-07.47-90.27°-2.57°/d12.96° 
11-08-13.50-106.06°-2.57°/d12.97° 
11-08-19.53-121.83°-2.57°/d12.98° 
11-08-25.55-137.58°-2.56°/d12.99° 
11-08-25.55-137.58°-2.56°/d12.99° 
11-08-25.55-137.58°-2.56°/d12.99° 
11-08-31.58-153.29°-2.55°/d13.00° 
11-09-07.61-171.55°-2.54°/d13.01° 
11-09-07.61-171.55°-2.54°/d13.01° 
11-09-07.61-171.56°-2.54°/d13.01° 
11-09-08.62-174.16°-2.54°/d13.02° 
11-09-08.62-174.16°-2.54°/d13.02° 
11-09-15.65167.66°-2.54°/d13.03° 
11-09-15.65167.66°-2.54°/d13.03° 
11-09-16.65165.07°-2.54°/d13.03° 
11-09-17.66162.48°-2.54°/d13.03° 
11-09-18.66159.88°-2.54°/d13.03° 
11-09-24.69144.31°-2.54°/d13.04° 
11-10-08.75107.78°-2.56°/d13.07° 
11-10-09.75105.15°-2.56°/d13.07° 
11-10-09.75105.16°-2.56°/d13.07° 
11-10-14.7892.02°-2.57°/d13.08° 
11-10-21.8173.58°-2.57°/d13.09° 
11-10-21.8173.58°-2.57°/d13.09° 
11-10-26.8360.40°-2.57°/d13.10° 
11-11-08.8926.28°-2.55°/d13.12° 
11-11-08.8926.28°-2.55°/d13.12° 
11-11-08.8926.28°-2.55°/d13.12° 
11-11-08.8926.28°-2.55°/d13.12° 
11-11-14.9210.63°-2.54°/d13.13° 
11-11-14.9210.63°-2.54°/d13.13° 
11-11-14.9210.63°-2.54°/d13.13° 
11-11-14.9210.63°-2.54°/d13.13° 
11-11-14.9210.63°-2.54°/d13.13° 
11-11-14.9210.63°-2.54°/d13.13° 
11-11-14.9210.63°-2.54°/d13.13° 
11-11-14.9210.63°-2.54°/d13.13° 
11-11-14.9210.63°-2.54°/d13.13° 
11-11-23.96-12.79°-2.54°/d13.15° 
11-11-24.96-15.39°-2.54°/d13.15° 
11-11-24.96-15.39°-2.54°/d13.15° 
11-11-24.96-15.39°-2.54°/d13.15° 
11-11-24.96-15.39°-2.54°/d13.15° 
11-11-24.96-15.39°-2.54°/d13.15° 
11-11-30.99-30.99°-2.54°/d13.16° 
11-11-30.99-30.99°-2.54°/d13.16° 
11-12-01.99-33.60°-2.54°/d13.16° 
11-12-01.99-33.60°-2.54°/d13.16° 
11-12-01.99-33.60°-2.54°/d13.16° 
11-12-08.02-49.23°-2.55°/d13.17° 
11-12-08.02-49.23°-2.55°/d13.17° 
11-12-08.02-49.23°-2.55°/d13.17° 
11-12-13.04-62.29°-2.56°/d13.18° 
11-12-13.04-62.29°-2.56°/d13.18° 
11-12-13.04-62.29°-2.56°/d13.18° 
11-12-14.05-64.91°-2.56°/d13.18° 
11-12-16.05-70.15°-2.56°/d13.19° 

Význam hodnot: Epocha - Datum (rok, měsíc, den), pro něž platí uvedené údaje. λ - Zeměpisná délka subsatelitního bodu ve stupních (kladná je východní délka, záporná je západní délka). Δλ - Denní změna polohy vzhledem k zemskému povrchu (změna zeměpisné délky subsatelitního bodu) ve stupních za den (kladná východním směrem, záporná západním směrem). i - Sklon dráhy k rovníku ve stupních.

Popis objektu

Stacionární telekomunikační družice. Postavila ji firma Spar Aerospace, Toronto, ON (Kanada) na základě licence firmy Hughes Space and Communications Co. (HSC, nyní Boeing Satellite Systems), Seal Beach, CA (USA). Provozovatelem je firma Embratel S.A., Rio de Janeiro, RJ (Brazílie).

Rotací stabilizovaná družice typu HS-376 válcového tvaru o průměru 2.16 m a celkové výšce při startu 2.74 m (na dráze 6.58 m) má boční stěny pokryté slunečními bateriemi dodávajícími 935 W na počátku života a dobíjejícími 2 NiCd akumulátorové baterie. Nese 24(+6) převaděčů pracujících v pásmu C (5.925-6.425/3.700-4.200 GHz, šířka pásma 24×36 MHz, výkon 24×10 W), schopných zabezpečit přenos 57 600 telefonních hovorů nebo 24 televizních pořadů. Je určena pro vnitrostátní spojení (telefon, dálnopis, přenos dat a distribuce televizního signálu) na území Brazílie. Parabolická anténa o průměru 1.8 m je umístěna na stabilizované protirotující plošině. Pro korekce dráhy a úpravy osy rotace slouží 4 motorky na hydrazin. Pro navedení na stacionární dráhu je vybavena motorem Thiokol Star 30 na TPL.

Plánovaný bod zavěšení je nad 65° z.d. Předpokládaná životnost je 8 roků.

První družice této řady, další je Brasilsat 2 (1986-026B).

Průběh letu

Datum Událost
1995-06-15 Vymanévrován z pozice nad 63-64° z.d.
1996 Družice byla pronajata firmě Pan American Satellite, Inc. (PanAmSat), Wilton, CT (USA) pro zabezpečení spojení na území USA, Mexika, v karibské oblasti a ve Střední Americe.
1996-07-16 Zakotven nad 79-80° z.d.
1998-08-29 Vymanévrován z pozice nad 79° z.d.
2002-03-08 Družice byla vymanévrována mimo stacionární dráhu. Zřejmě ukončila činnost6.

Literatura

  1. Home Page. - Los Angeles, CA : Boeing, 2002. - [Cit. 2002-06-16].     (http://www.boeing.com/defense-space/space/bss/).
  2. Satélite - Tecnologias - EMBRATEL.     (http://www.embratel.net.br/tecnologias/satelite/index.html).
  3. Brasilsat A1 - Satellite Fact Sheet. - Greenwich, CT : PanAmSat, 1998.     (http://www.panamsat.com/sat_info/brasinfo.htm).
  4. Home Page. - Greenwich, CT : PAS, 2002. - [Cit. 2002-06-16].     (http://www.panamsat.com/noflash_index.asp).
  5. Satellite Digest-315 / P. S. Clark. - Spaceflight 41 [1] 44 (1999).
  6. Satellite Digest-359 / P. S. Clark. - Spaceflight 44 [9] 462-463 (2002).

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