Ariel 5

Ariel 5
Names	Ariel5, PL-732B, UK 5, United Kingdom 5
Mission type	Astronomy
Operator	SERC / NASA
COSPAR ID	1974-077A
SATCAT no.	7471
Spacecraft properties
Manufacturer	Goddard Space Flight Center
Launch mass	130.5 kg (288 lb)
Start of mission
Launch date	15 October 1974, 07:47:00 UTC
Rocket	Scout B-1
Launch site	San Marco
End of mission
Decay date	14 March 1980
Orbital parameters
Eccentricity	0.00325
Perigee altitude	512 km (318 mi)
Apogee altitude	557 km (346 mi)
Inclination	2.9 degrees
Period	95.3 minutes
Epoch	14 October 1974, 23:00:00 UTC
Instruments
	Rotation Modulation Collimator; 2- to 10-KeV Sky Survey Instrument; High-Resolution Source Spectra; Bragg Crystal Spectrometer; High-Energy Cosmic X-Ray Spectra; All-Sky Monitor;
	Ariel ← Ariel 4 Ariel 6 →

Ariel 5 (or UK 5) was a joint British and American space telescope dedicated to observing the sky in the X-ray band. It was launched on 15 October 1974 from the San Marco platform in the Indian Ocean and operated until 1980. It was the penultimate satellite to be launched as part of the Ariel programme.

^ "Ariel 5 Trajectory Details". NASA Space Science Data Coordinated Archive. Retrieved 8 March 2020.

[1] "Ariel 5 Trajectory Details". NASA Space Science Data Coordinated Archive. Retrieved 8 March 2020.

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