Intelsat V F-3

Intelsat V F-3 → Intelsat 503
Spacecraft properties

Mission type	Communication
Operator	Intelsat
COSPAR ID	1981-119A^[1]
SATCAT no.	12994^[1]
Mission duration	17 years


Bus	Intelsat-V bus
Manufacturer	Ford Aerospace
Launch mass	1,928.2 kilograms (4,251 lb)
BOL mass	1,012 kilograms (2,231 lb)


Start of mission
Launch date	December 15, 1981, 23:35 (1981-12-15UTC23:35Z) UTC
Rocket	Atlas SLV-3D Centaur-D1AR
Launch site	Cape Canaveral LC-36B


End of mission
Disposal	Decommissioned
Deactivated	January 1998 (1998-02)


Orbital parameters
Reference system	Geocentric
Regime	Geostationary
Eccentricity	0.73207
Perigee	165 kilometres (103 mi)
Apogee	35,947 kilometres (22,336 mi)
Inclination	23.7 degrees
Period	633.5 minutes
Epoch	December 15, 1981


Transponders
Band	21 C-band 4 K_u band

Intelsat V

Launch of Intelsat V F-3.

Intelsat 503, previously named Intelsat V F-3, was a communications satellite operated by Intelsat. Launched in 1981, it was the third of fifteen Intelsat V satellites to be launched. The Intelsat V series was constructed by Ford Aerospace, based on the Intelsat-V satellite bus.

Intelsat V F-2 was part of an advanced series of satellites designed to provide greater telecommunications capacity for Intelsat's global network. The satellite was deactivated on January 1998.

The satellite was successfully launched into space on December 15, 1981, at 23:35 UTC, by means of an Atlas SLV-3D Centaur-D1AR vehicle from the Cape Canaveral Air Force Station, Florida, United States. It had a launch mass of 1,928 kg. The Intelsat 503 was equipped with 4 Ku-band transponders more 21 C-band transponders for 12,000 audio circuits and 2 TV channels.

References

1 2 "INTELSAT 5 F-3". National Space Science Data Center. Retrieved April 22, 2017.

Intelsat, S.A.
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
Future launches are in italics, failed launches with † sign.

← 1980 · Orbital launches in 1981 · 1982 →

Payloads are separated by bullets ( · ), launches by pipes ( | ). Manned 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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