Intelsat V F-1

Intelsat V F-1 (or Intelsat 501) was a geostationary communications satellite built by Ford Aerospace, it was owned by COMSAT. Launched in 1981, it was the second of fifteen Intelsat V satellites to be launched. The satellite was based on the Intelsat V platform and its estimated useful life was seven years.

Intelsat V F-1 → Intelsat 501
Spacecraft properties

Mission type	Communications
Operator	COMSAT / INTELSAT
COSPAR ID	1981-050A
SATCAT no.	12474
Mission duration	7 years (planned)


Bus	Intelsat V
Manufacturer	Ford Aerospace
Launch mass	1928 kg
Dry mass	1012 kg
Dimensions	1.66 x 2.1 x 1.77 metres
Power	1800 watts


Start of mission
Launch date	23 May 1981, 22:42:00 UTC [1]
Rocket	Atlas SLV-3D Centaur (AC-56)
Launch site	CCAFS, LC-36B
Contractor	General Dynamics


End of mission
Disposal	Graveyard orbit
Deactivated	February 1997


Orbital parameters
Reference system	Geocentric orbit [2]
Regime	Geostationary orbit
Longitude	177.0° West (1981-1992) 91.5° East (1992-1996) 72.0° East (1996-1997)
Epoch	23 May 1981


Transponders
Band	21 C-band 4 Ku-band

Intelsat V

Satellite

The satellite was box-shaped, measuring 1.66 by 2.1 by 1.77 metres; solar arrays spanned 15.9 metres tip to tip. The arrays, supplemented by nickel-hydrogen batteries during eclipse, provided 1800 watts of power. The payload housed 21 C-band and 4 Ku-band transponders. It could accommodate 15,000 two-way voice circuits and two TV channels simultaneously. It had a launch mass of 1928 kg.[3] The satellite was deactivated in February 1997.

Launch

The satellite was successfully launched into space on 23 May 1981, at 22:42:00 UTC, by means of an Atlas SLV-3D Centaur vehicle from the CCAFS, LC-36B.[4]

References

McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 22 April 2017.
"Display: Intelsat V F-1 1981-050A". NASA. 14 May 2020. Retrieved 29 June 2020. This article incorporates text from this source, which is in the public domain.
"Display: Intelsat 5A F-15 1989-086A". NASA. 14 May 2020. Retrieved 29 June 2020. This article incorporates text from this source, which is in the public domain.
"INTELSAT 515". TSE. Retrieved 23 April 2017.

Intelsat Corporation
COMSAT Intelsat Americas PanAmSat ITSO STS-49 List of Intelsat satellites
Intelsat I, II, III	Intelsat I Intelsat II F-1 II F-2 II F-3 II F-4 Intelsat III F-1 III F-2 III F-3 III F-4 III F-5 III F-6 III F-7 III F-8
Intelsat IV	Intelsat IV F-1 IV F-2 IV F-3 IV F-4 IV F-5 IV F-6 IV F-7 IV F-8 IVA F-1 IVA F-2 IVA F-3 IVA F-4 IVA F-5 IVA F-6
Intelsat V	Intelsat V F-1 V F-2 V F-3 V F-4 V F-5 V F-6 V F-7 V F-8 V F-9† VA F-10 VA F-11 VA F-12 VA F-13 VA F-14 VA F-15
Intelsat VI	Intelsat 601 602 603 604 605
Intelsat 7-10	Intelsat 701 702 703 704 705 706 707 708 709 801 802 803 804 805 806 901 902 903 904 905 906 907 10-02
ex-PanAmSat	Intelsat 1R 2 3R 4 5 6B 7 8 9 10 11 12
Recent Intelsat	Intelsat 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 (New Dawn) 29e 30 31 32e 33e 34 35e 36 37e 38 39
Galaxy (Intelsat Americas)	Galaxy 3C 4R 5 9 10R 11 12 13 14 15 16 17 18 19 23 25 26 27 28
Other	APR-1 APR-2 Horizons-1 Horizons-2 Horizons-3e Intelsat K Marisat-F2 SBS 6

← 1980 · Orbital launches in 1981 · 1982 →

Payloads are separated by bullets ( · ), launches by pipes ( | ). Crewed flights are indicated in bold text. Uncatalogued launch failures are listed in italics. Payloads deployed from other spacecraft are denoted in (brackets).

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Intelsat V F-1

Satellite

Launch

See also

References