File:Esro-2b small.gif
Summary
Launched on 17 May 1968, ESRO-2B had an elliptical orbit with (initially) apogee 1086 km, perigee 326 km, and inclination 97.2 degrees. The orbital period was 98.9 minutes. It was the first successful ESRO satellite launch. ESRO (European Space Research Organisation), was the forerunner of ESA. ESRO-2B was also known as Iris. The satellite was mainly intended to study X-ray and particle emissions from the Sun, however, it is credited with some extra-solar observations. The spacecraft was cylindrical in shape, with a 0.76 m diameter and a 0.85 m height. It weighed 80 kg. The failure of the on-board tape recorder in December 1968 (after roughly 6.5 months of operation) was catastrophic for the 2 X-ray experiments. They did not provide any significant data return after that time. The satellite reentered the atmosphere on 8 May 1971.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 11:28, 16 January 2017 | | 576 × 411 (155 KB) | 127.0.0.1 (talk) | Launched on 17 May 1968, ESRO-2B had an elliptical orbit with (initially) apogee 1086 km, perigee 326 km, and inclination 97.2 degrees. The orbital period was 98.9 minutes. It was the first successful ESRO satellite launch. ESRO (European Space Research Organisation), was the forerunner of ESA. ESRO-2B was also known as Iris. The satellite was mainly intended to study X-ray and particle emissions from the Sun, however, it is credited with some extra-solar observations. The spacecraft was cylindrical in shape, with a 0.76 m diameter and a 0.85 m height. It weighed 80 kg. The failure of the on-board tape recorder in December 1968 (after roughly 6.5 months of operation) was catastrophic for the 2 X-ray experiments. They did not provide any significant data return after that time. The satellite reentered the atmosphere on 8 May 1971. |
| 11:28, 16 January 2017 |  | 576 × 411 (155 KB) | 127.0.0.1 (talk) | Launched on 17 May 1968, ESRO-2B had an elliptical orbit with (initially) apogee 1086 km, perigee 326 km, and inclination 97.2 degrees. The orbital period was 98.9 minutes. It was the first successful ESRO satellite launch. ESRO (European Space Research Organisation), was the forerunner of ESA. ESRO-2B was also known as Iris. The satellite was mainly intended to study X-ray and particle emissions from the Sun, however, it is credited with some extra-solar observations. The spacecraft was cylindrical in shape, with a 0.76 m diameter and a 0.85 m height. It weighed 80 kg. The failure of the on-board tape recorder in December 1968 (after roughly 6.5 months of operation) was catastrophic for the 2 X-ray experiments. They did not provide any significant data return after that time. The satellite reentered the atmosphere on 8 May 1971. |
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