1988-109A - Skynet 4B

Název objektu	Skynet 4B
SSC	19687
Start	1988-12-11 00:33:38 UT, Centre Spatial Guayanais, Ariane 44LP
Stav objektu	na geocentrické dráze
Očekávaná životnost na dráze	neomezená
Provozovatel	Velká Británie
Výrobce	Velká Británie
Kategorie	vojenská telekomunikační družice
Hmotnost	1433 kg

Parametry dráhy

Epocha	Typ	i	P	hP	hA	Pozn.
96-08-19.78	G	3.45°	1436.04 min	35722 km	35849 km
96-12-02.84	G	3.67°	1436.07 min	35761 km	35811 km
97-03-16.93	G	3.88°	1436.13 min	35776 km	35799 km
97-07-11.03	G	4.09°	1436.05 min	35778 km	35793 km
97-12-09.84	G	4.38°	1436.10 min	35776 km	35797 km
98-03-23.69	G	4.59°	1436.02 min	35773 km	35797 km
98-07-09.79	G	4.82°	1444.47 min	35928 km	35972 km
98-11-18.88	G	5.03°	1444.59 min	35936 km	35969 km
99-03-16.24	G	5.25°	1444.42 min	35941 km	35958 km
99-07-03.58	G	5.46°	1444.55 min	35944 km	35960 km
99-11-02.96	G	5.67°	1444.54 min	35934 km	35970 km
00-02-24.31	G	5.88°	1444.43 min	35931 km	35968 km
00-06-21.68	G	6.09°	1444.60 min	35943 km	35962 km
00-11-05.10	G	6.34°	1444.51 min	35937 km	35965 km
01-02-28.46	G	6.55°	1444.60 min	35942 km	35964 km
01-06-20.81	G	6.76°	1444.55 min	35938 km	35966 km
01-10-21.19	G	6.97°	1444.49 min	35938 km	35963 km
02-02-07.53	G	7.18°	1444.62 min	35947 km	35960 km
02-05-19.84	G	7.38°	1444.60 min	35937 km	35968 km
02-09-10.20	G	7.59°	1444.51 min	35929 km	35973 km
03-01-03.55	G	7.81°	1444.55 min	35948 km	35956 km
03-04-17.88	G	8.01°	1444.62 min	35939 km	35967 km
03-08-12.24	G	8.22°	1444.48 min	35923 km	35978 km
03-12-02.59	G	8.44°	1444.50 min	35931 km	35971 km
04-03-27.95	G	8.67°	1444.62 min	35944 km	35963 km
05-01-02.83	G	9.22°	1444.49 min	35929 km	35973 km
05-04-16.15	G	9.43°	1444.46 min	35941 km	35959 km
05-08-01.48	G	9.64°	1444.59 min	35922 km	35984 km
05-11-14.81	G	9.85°	1444.64 min	35924 km	35983 km
06-02-27.14	G	10.06°	1444.53 min	35937 km	35966 km
06-06-16.48	G	10.28°	1444.49 min	35940 km	35961 km
06-10-05.82	G	10.49°	1444.63 min	35925 km	35982 km
07-01-14.14	G	10.70°	1444.64 min	35931 km	35976 km
07-04-28.46	G	10.91°	1444.54 min	35944 km	35959 km
07-08-16.81	G	11.12°	1444.47 min	35925 km	35976 km
07-12-05.15	G	11.34°	1444.63 min	35923 km	35984 km
08-03-23.49	G	11.55°	1444.61 min	35936 km	35970 km
08-07-11.84	G	11.76°	1444.47 min	35937 km	35964 km
08-10-29.18	G	11.97°	1444.58 min	35922 km	35983 km
09-02-19.53	G	12.18°	1444.65 min	35931 km	35977 km
09-06-08.87	G	12.39°	1444.50 min	35949 km	35953 km
09-10-08.25	G	12.60°	1444.61 min	35930 km	35976 km
10-01-28.60	G	12.81°	1444.64 min	35932 km	35975 km
10-05-28.98	G	13.02°	1444.49 min	35944 km	35957 km
10-10-01.37	G	13.23°	1444.66 min	35937 km	35971 km
11-02-02.76	G	13.43°	1444.51 min	35937 km	35965 km
11-06-16.18	G	13.64°	1444.72 min	35941 km	35969 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). h_P - Výška dráhy v pericentru. h_A - Výška dráhy v apocentru.

Pozice na stacionární dráze

Epocha	λ	Δλ	i	Poznámka
95-12-13.00	53.00°	0.00°/d	2.94°
08-05-09.63	-56.73°	-2.09°/d	11.64°
08-05-29.70	-99.46°	-2.11°/d	11.68°
08-06-20.77	-146.56°	-2.09°/d	11.72°
08-07-05.81	-178.31°	-2.07°/d	11.75°
08-08-18.95	88.54°	-2.11°/d	11.83°
08-09-07.01	47.71°	-2.10°/d	11.87°
08-10-29.17	-62.36°	-2.09°/d	11.97°
08-11-17.23	-103.00°	-2.11°/d	12.01°
08-12-15.32	-162.82°	-2.08°/d	12.06°
08-12-28.36	169.76°	-2.06°/d	12.08°
09-01-15.42	131.87°	-2.08°/d	12.12°
09-02-06.48	84.94°	-2.11°/d	12.16°
09-02-24.54	46.25°	-2.10°/d	12.19°
09-04-19.71	-68.20°	-2.09°/d	12.30°
09-05-06.76	-104.62°	-2.11°/d	12.33°
09-06-04.86	-166.55°	-2.08°/d	12.38°
09-06-05.86	-168.67°	-2.07°/d	12.38°
09-06-13.88	174.47°	-2.07°/d	12.39°
09-07-05.95	128.08°	-2.08°/d	12.44°
09-07-23.01	91.80°	-2.12°/d	12.47°
09-08-13.07	46.67°	-2.10°/d	12.50°
09-08-27.12	16.86°	-2.09°/d	12.53°
09-09-23.20	-40.16°	-2.08°/d	12.58°
09-10-08.25	-72.05°	-2.11°/d	12.61°
09-10-28.31	-114.94°	-2.10°/d	12.64°
09-11-16.37	-155.54°	-2.08°/d	12.68°
09-11-26.40	-176.71°	-2.07°/d	12.69°
09-12-05.43	164.34°	-2.06°/d	12.71°
09-12-24.49	124.25°	-2.08°/d	12.74°
10-01-10.54	87.89°	-2.11°/d	12.77°
10-01-23.58	59.92°	-2.11°/d	12.80°
10-02-23.68	-6.04°	-2.07°/d	12.85°
10-09-16.32	-80.26°	-2.10°/d	13.20°
10-10-04.38	-118.91°	-2.10°/d	13.23°
10-10-19.43	-151.03°	-2.09°/d	13.26°
10-10-31.46	-176.46°	-2.07°/d	13.28°
10-11-09.49	164.56°	-2.06°/d	13.29°
10-11-24.54	132.93°	-2.07°/d	13.32°
10-12-06.57	107.38°	-2.10°/d	13.34°
10-12-23.63	70.83°	-2.11°/d	13.36°
10-12-30.65	55.75°	-2.10°/d	13.37°
10-12-30.65	55.75°	-2.10°/d	13.37°
11-01-07.68	38.58°	-2.09°/d	13.39°
11-01-07.68	38.58°	-2.09°/d	13.39°
11-01-08.68	36.45°	-2.09°/d	13.39°
11-01-08.68	36.45°	-2.09°/d	13.39°
11-01-08.68	36.45°	-2.09°/d	13.39°
11-01-08.68	36.45°	-2.09°/d	13.39°
11-01-19.71	13.06°	-2.07°/d	13.41°
11-01-19.71	13.06°	-2.07°/d	13.41°
11-01-19.71	13.06°	-2.07°/d	13.41°
11-01-19.71	13.06°	-2.07°/d	13.41°
11-01-19.71	13.06°	-2.07°/d	13.41°
11-01-19.71	13.06°	-2.07°/d	13.41°
11-01-19.71	13.06°	-2.07°/d	13.41°
11-01-28.74	-5.97°	-2.07°/d	13.42°
11-01-28.74	-5.97°	-2.07°/d	13.42°
11-01-29.75	-8.09°	-2.07°/d	13.42°
11-01-29.75	-8.09°	-2.07°/d	13.42°
11-01-29.75	-8.09°	-2.07°/d	13.42°
11-02-06.77	-24.97°	-2.07°/d	13.44°
11-02-06.77	-24.97°	-2.07°/d	13.44°
11-02-06.77	-24.97°	-2.07°/d	13.44°
11-02-06.77	-24.97°	-2.07°/d	13.44°
11-02-15.80	-44.02°	-2.08°/d	13.45°
11-02-15.80	-44.02°	-2.08°/d	13.45°
11-02-22.82	-58.91°	-2.09°/d	13.46°
11-02-22.82	-58.91°	-2.09°/d	13.46°
11-02-23.82	-61.06°	-2.09°/d	13.46°
11-02-24.83	-63.21°	-2.09°/d	13.47°
11-02-24.83	-63.21°	-2.09°/d	13.47°
11-03-03.85	-78.20°	-2.10°/d	13.48°
11-03-03.85	-78.20°	-2.10°/d	13.48°
11-03-10.87	-93.22°	-2.10°/d	13.49°
11-03-10.87	-93.22°	-2.10°/d	13.49°
11-03-16.89	-106.12°	-2.10°/d	13.50°
11-03-16.89	-106.12°	-2.10°/d	13.50°
11-03-24.92	-123.31°	-2.10°/d	13.51°
11-03-24.92	-123.31°	-2.10°/d	13.51°
11-04-01.94	-140.47°	-2.09°/d	13.52°
11-04-01.94	-140.47°	-2.09°/d	13.52°
11-04-09.97	-157.53°	-2.08°/d	13.54°
11-04-09.97	-157.53°	-2.08°/d	13.54°
11-04-18.99	-176.60°	-2.07°/d	13.55°
11-04-28.02	164.40°	-2.06°/d	13.57°
11-04-28.02	164.40°	-2.06°/d	13.57°
11-04-28.02	164.40°	-2.06°/d	13.57°
11-05-07.05	145.43°	-2.07°/d	13.58°
11-05-07.05	145.43°	-2.07°/d	13.58°
11-05-08.05	143.32°	-2.07°/d	13.58°
11-05-15.07	128.49°	-2.08°/d	13.59°
11-05-15.07	128.49°	-2.08°/d	13.59°
11-05-23.10	111.46°	-2.09°/d	13.60°
11-05-23.10	111.46°	-2.09°/d	13.60°
11-05-24.10	109.32°	-2.09°/d	13.60°
11-05-30.12	96.46°	-2.10°/d	13.61°
11-05-30.12	96.46°	-2.10°/d	13.61°
11-05-31.13	94.30°	-2.10°/d	13.62°
11-06-06.14	81.38°	-2.11°/d	13.63°
11-06-06.14	81.38°	-2.11°/d	13.63°
11-06-16.18	59.80°	-2.12°/d	13.64°
11-06-16.18	59.80°	-2.12°/d	13.64°
11-06-16.18	59.80°	-2.12°/d	13.64°
11-06-16.18	59.80°	-2.12°/d	13.64°
11-06-16.18	59.80°	-2.12°/d	13.64°
11-08-27.40	-93.47°	-2.10°/d	13.75°
11-09-07.44	-117.15°	-2.10°/d	13.76°
11-09-07.44	-117.15°	-2.10°/d	13.76°
11-09-17.47	-138.61°	-2.09°/d	13.78°
11-09-17.47	-138.61°	-2.09°/d	13.78°
11-09-17.47	-138.61°	-2.09°/d	13.78°
11-09-17.47	-138.61°	-2.09°/d	13.78°
11-09-18.47	-140.75°	-2.09°/d	13.78°
11-09-25.49	-155.68°	-2.08°/d	13.79°
11-09-25.49	-155.68°	-2.08°/d	13.79°
11-09-25.49	-155.68°	-2.08°/d	13.79°
11-09-26.50	-157.81°	-2.08°/d	13.79°
11-10-04.52	-174.78°	-2.07°/d	13.80°
11-10-04.52	-174.78°	-2.07°/d	13.80°
11-10-12.55	168.33°	-2.06°/d	13.82°
11-10-12.55	168.33°	-2.08°/d	13.82°
11-10-12.55	168.33°	-2.08°/d	13.82°
11-10-24.58	143.04°	-2.07°/d	13.83°
11-10-25.59	140.93°	-2.07°/d	13.84°
11-10-26.59	138.81°	-2.07°/d	13.84°
11-10-26.59	138.81°	-2.07°/d	13.84°
11-10-27.59	136.69°	-2.07°/d	13.84°
11-11-02.61	123.96°	-2.08°/d	13.85°
11-11-02.61	123.96°	-2.08°/d	13.85°
11-11-02.61	123.96°	-2.08°/d	13.85°
11-11-11.64	104.74°	-2.10°/d	13.86°
11-11-12.64	102.62°	-2.10°/d	13.86°
11-11-12.64	102.62°	-2.10°/d	13.86°
11-11-12.64	102.62°	-2.10°/d	13.86°
11-11-12.64	102.62°	-2.10°/d	13.86°
11-11-18.66	89.72°	-2.10°/d	13.87°
11-11-18.66	89.72°	-2.10°/d	13.87°
11-11-18.66	89.72°	-2.10°/d	13.87°
11-11-27.69	70.28°	-2.11°/d	13.88°
11-11-27.69	70.28°	-2.11°/d	13.88°
11-11-27.69	70.28°	-2.11°/d	13.88°
11-11-27.69	70.28°	-2.11°/d	13.88°
11-11-27.69	70.28°	-2.11°/d	13.88°
11-11-27.69	70.28°	-2.11°/d	13.88°
11-11-27.69	70.28°	-2.11°/d	13.88°
11-11-27.69	70.28°	-2.11°/d	13.88°
11-12-04.71	55.19°	-2.10°/d	13.89°
11-12-04.71	55.19°	-2.10°/d	13.89°
11-12-11.74	40.17°	-2.09°/d	13.91°
11-12-11.74	40.17°	-2.09°/d	13.91°
11-12-15.75	31.62°	-2.09°/d	13.91°

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
1998-červen	V průběhu měsíce vymanévrován z geostacionární dráhy a ukončil činnost.

Literatura

1. Satellite Digest-314 / P. S. Clark. - Spaceflight 40 [12] 492-493 (1998).

Datum poslední úpravy: 2011-12-18 11:06:34 UT

© 2011 - Petr Lála, Antonín Vítek