1981-018A - Comstar 4

Atlas Centaur
Název objektuComstar 4
Comstar D-4
SSC 12309
Start1981-02-21 23:23 UT, Eastern Test Range,
Stav objektu na geocentrické dráze
Očekávaná životnost na drázeneomezená
ProvozovatelUSA
VýrobceUSA
Kategorietelekomunikační družice
Hmotnost1520 kg

Parametry dráhy

Epocha Typ i P hP hA Pozn.
96-08-23.48 G 8.96° 1436.12 min 35783 km 35791 km  
97-01-20.22 G 9.19° 1436.09 min 35782 km 35791 km  
97-06-30.20 G 9.44° 1436.17 min 35785 km 35791 km  
98-01-02.61 G 9.68° 1436.16 min 35783 km 35793 km  
98-05-28.22 G 9.89° 1436.17 min 35785 km 35792 km  
98-11-16.53 G 10.10° 1436.10 min 35766 km 35807 km  
99-05-11.28 G 10.31° 1436.17 min 35785 km 35791 km  
99-11-14.29 G 10.52° 1436.05 min 35784 km 35787 km  
00-05-15.24 G 10.73° 1436.11 min 35770 km 35803 km  
00-11-26.45 G 10.93° 1436.17 min 35761 km 35815 km  
01-07-02.44 G 11.14° 1436.17 min 35759 km 35817 km  
01-07-20.81 G 11.13° 1431.69 min 35695 km 35706 km  
01-09-14.58 G 11.21° 1427.76 min 35551 km 35695 km  
01-09-26.92 G 11.19° 1426.84 min 35509 km 35701 km  
01-11-07.66 G 11.12° 1435.71 min 34643 km 36915 km  
01-11-27.88 G 11.21° 1436.06 min 35769 km 35803 km  
02-07-02.90 G 11.42° 1436.10 min 35771 km 35803 km  
03-02-15.64 G 11.63° 1436.17 min 35783 km 35793 km  
03-09-21.94 G 11.84° 1436.09 min 35766 km 35807 km  
03-10-02.75 G 12.11° 1436.15 min 35775 km 35800 km  
04-05-15.88 G 12.31° 1435.90 min 35776 km 35790 km  
05-01-12.87 G 12.52° 1436.18 min 35779 km 35798 km  
05-09-06.87 G 12.73° 1436.19 min 35772 km 35805 km  
06-04-14.69 G 12.93° 1435.90 min 35773 km 35793 km  
06-12-07.61 G 13.14° 1436.09 min 35762 km 35812 km  
07-07-31.98 G 13.35° 1436.25 min 35772 km 35807 km  
08-03-26.33 G 13.56° 1435.94 min 35758 km 35809 km  
08-11-28.62 G 13.77° 1436.05 min 35752 km 35819 km  
09-08-09.94 G 13.98° 1436.26 min 35774 km 35806 km  
10-05-04.20 G 14.18° 1435.92 min 35758 km 35808 km  
11-03-23.29 G 14.39° 1436.18 min 35762 km 35814 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
95-12-15.00-75.86°0.03°/d8.53° 
00-05-10.00-76.33°0.02°/d10.73° 
08-05-20.1773.78°0.02°/d13.60° 
08-06-20.0875.24°0.03°/d13.63° 
08-07-08.0276.09°0.02°/d13.65° 
08-08-20.9078.06°0.02°/d13.68° 
08-09-19.8179.20°0.01°/d13.71° 
08-10-21.7280.13°0.00°/d13.74° 
08-11-22.6380.68°-0.01°/d13.76° 
08-12-10.5880.85°-0.02°/d13.78° 
09-01-13.4980.77°-0.03°/d13.81° 
09-02-13.4080.33°-0.04°/d13.83° 
09-04-08.2678.74°-0.06°/d13.88° 
09-05-08.1877.54°-0.06°/d13.90° 
09-06-16.0875.80°-0.07°/d13.93° 
09-07-12.0174.56°-0.07°/d13.95° 
09-08-08.9473.27°-0.06°/d13.97° 
09-09-16.8371.68°-0.06°/d14.01° 
09-09-30.8071.19°-0.05°/d14.02° 
09-10-26.7370.42°-0.05°/d14.04° 
09-11-20.6669.91°-0.04°/d14.06° 
09-12-17.5969.58°-0.04°/d14.08° 
09-12-31.5569.53°-0.02°/d14.09° 
10-01-29.4769.66°-0.01°/d14.11° 
10-02-26.3970.07°-0.00°/d14.13° 
10-09-14.8178.15°0.01°/d14.27° 
10-10-09.7479.10°0.01°/d14.29° 
10-11-07.6679.99°0.00°/d14.31° 
10-12-05.5880.55°-0.01°/d14.32° 
10-12-27.5280.79°-0.02°/d14.34° 
10-12-27.5280.79°-0.02°/d14.34° 
11-01-07.4980.83°-0.02°/d14.35° 
11-01-07.4980.83°-0.02°/d14.35° 
11-01-07.4980.83°-0.02°/d14.35° 
11-01-07.4980.83°-0.02°/d14.35° 
11-01-27.4380.78°-0.04°/d14.36° 
11-01-27.4380.78°-0.04°/d14.36° 
11-01-28.4380.78°-0.03°/d14.36° 
11-01-28.4380.78°-0.03°/d14.36° 
11-01-28.4380.78°-0.03°/d14.36° 
11-01-28.4380.78°-0.03°/d14.36° 
11-01-28.4380.78°-0.03°/d14.36° 
11-01-28.4380.78°-0.03°/d14.36° 
11-01-28.4380.78°-0.03°/d14.36° 
11-01-28.4380.78°-0.03°/d14.36° 
11-02-09.4080.69°-0.03°/d14.36° 
11-02-09.4080.69°-0.03°/d14.36° 
11-02-09.4080.69°-0.03°/d14.36° 
11-02-09.4080.69°-0.03°/d14.36° 
11-02-27.3580.44°-0.04°/d14.38° 
11-02-27.3580.44°-0.04°/d14.38° 
11-02-28.3580.42°-0.04°/d14.38° 
11-03-01.3480.40°-0.04°/d14.38° 
11-03-02.3480.38°-0.04°/d14.38° 
11-03-02.3480.38°-0.04°/d14.38° 
11-03-02.3480.38°-0.04°/d14.38° 
11-03-02.3480.38°-0.04°/d14.38° 
11-03-23.2879.93°-0.05°/d14.39° 
11-03-24.2879.90°-0.06°/d14.39° 
11-03-24.2879.90°-0.06°/d14.39° 
11-03-25.2879.88°-0.05°/d14.39° 
11-04-10.2479.42°-0.05°/d14.40° 
11-04-10.2479.42°-0.05°/d14.40° 
11-04-10.2479.41°-0.05°/d14.40° 
11-04-27.1978.84°-0.06°/d14.41° 
11-04-27.1978.84°-0.06°/d14.41° 
11-04-28.1978.79°-0.06°/d14.41° 
11-04-28.1978.79°-0.06°/d14.41° 
11-05-11.1578.33°-0.06°/d14.42° 
11-05-11.1578.33°-0.06°/d14.42° 
11-05-12.1578.29°-0.06°/d14.42° 
11-05-12.1578.29°-0.06°/d14.42° 
11-05-27.1177.67°-0.06°/d14.43° 
11-05-27.1177.67°-0.06°/d14.43° 
11-05-27.1177.67°-0.06°/d14.43° 
11-06-12.0776.98°-0.07°/d14.44° 
11-06-12.0776.98°-0.07°/d14.44° 
11-06-12.0776.98°-0.07°/d14.44° 
11-06-12.0776.98°-0.07°/d14.44° 
11-06-13.0776.93°-0.07°/d14.44° 
11-06-24.0476.42°-0.07°/d14.44° 
11-06-24.0476.42°-0.07°/d14.44° 
11-07-08.0075.78°-0.07°/d14.45° 
11-07-08.0075.78°-0.07°/d14.45° 
11-07-08.0075.78°-0.07°/d14.45° 
11-07-08.0075.78°-0.07°/d14.45° 
11-07-09.0075.74°-0.07°/d14.45° 
11-07-09.0075.74°-0.07°/d14.45° 
11-07-09.0075.74°-0.07°/d14.45° 
11-07-09.0075.74°-0.07°/d14.45° 
11-07-09.0075.74°-0.07°/d14.45° 
11-07-09.0075.74°-0.07°/d14.45° 
11-07-19.9775.23°-0.07°/d14.46° 
11-07-19.9775.23°-0.07°/d14.46° 
11-07-31.9474.67°-0.07°/d14.46° 
11-07-31.9474.67°-0.07°/d14.46° 
11-07-31.9474.67°-0.07°/d14.46° 
11-08-01.9474.62°-0.07°/d14.46° 
11-08-14.9074.01°-0.07°/d14.47° 
11-08-14.9074.01°-0.07°/d14.47° 
11-08-14.9074.01°-0.07°/d14.47° 
11-08-15.9073.96°-0.07°/d14.47° 
11-08-16.9073.91°-0.07°/d14.47° 
11-08-28.8673.38°-0.07°/d14.48° 
11-09-08.8472.89°-0.07°/d14.49° 
11-09-08.8472.88°-0.07°/d14.49° 
11-09-09.8372.84°-0.07°/d14.49° 
11-09-18.8172.48°-0.06°/d14.49° 
11-10-02.7771.90°-0.06°/d14.50° 
11-10-02.7771.90°-0.06°/d14.50° 
11-10-02.7771.90°-0.06°/d14.50° 
11-10-14.7471.48°-0.06°/d14.50° 
11-10-14.7471.48°-0.06°/d14.50° 
11-10-25.7171.11°-0.06°/d14.51° 
11-10-25.7171.11°-0.06°/d14.51° 
11-11-12.6670.53°-0.05°/d14.52° 
11-11-12.6670.53°-0.05°/d14.52° 
11-11-12.6670.53°-0.05°/d14.52° 
11-11-12.6670.53°-0.05°/d14.52° 
11-11-12.6670.53°-0.05°/d14.52° 
11-11-12.6670.53°-0.05°/d14.52° 
11-11-12.6670.53°-0.05°/d14.52° 
11-11-12.6670.53°-0.05°/d14.52° 
11-11-22.6470.30°-0.05°/d14.52° 
11-12-05.6069.98°-0.04°/d14.53° 
11-12-06.6069.97°-0.04°/d14.53° 
11-12-06.6069.97°-0.04°/d14.53° 
11-12-06.6069.97°-0.04°/d14.53° 
11-12-06.6069.97°-0.04°/d14.53° 
11-12-15.5769.85°-0.04°/d14.53° 

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

Průběh letu

Datum Událost
2001-07-16 Kolem tohoto data byl vymanévrován1 z pozice nad 76° z.d.

Literatura

  1. Satellite Digest-349 / P. S. Clark. - Spaceflight 43 [11] 452 (2001).

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Datum poslední úpravy: 2011-12-18 11:03:31 UT Platná stránka HTML 4.01! Popis kódu UTF-8 © 2011 - Petr Lála, Antonín Vítek