MiDAS Launches
| Name | Launch date | Mass (kg) | Launch site | Launch vehicle | Inclination (deg) | NSSDC ID | Comments |
|---|---|---|---|---|---|---|---|
| Midas 1 | Feb. 26, 1960 | 2,025 | Cape Canaveral | LV-3A Atlas-Agena A | -------- | MIDAS1 | Failure: Second stage failed to separate. |
| Midas 2 | May 24, 1960 | 2,300 | Cape Canaveral | LV-3A Atlas-Agena A | 33.00 | 1960-006A | Missile Defense Alarm System. Test launch with W-17 sensor. |
| Discoverer 19 | Dec. 20, 1960 | 1,060 | Vandenberg | Thor-Agena | 83.40 | 1960-019A | Tested IR sensors for Midas program; did not carry camera or film capsule. |
| Discoverer 21 | Feb. 18, 1961 | 1,110 | Vandenberg | Thor-Agena B | 80.60 | 1961-006A | Tested IR sensors for Midas program; did not carry camera or film capsule. |
| Midas 3 | July 12, 1961 | 1,600 | Point Arguello | LV-3A Atlas-Agena B | 91.20 | 1961-018A | Missile Defense Alarm System. |
| Midas 4 | Oct. 21, 1961 | 1,800 | Point Arguello | LV-3A Atlas-Agena B | 86.70 | 1961-028A | Missile Defense Alarm System. Deployed subsatellites. |
| Midas 5 | Apr. 9, 1962 | 1,860 | Point Arguello | LV-3A Atlas-Agena B | 86.70 | 1962-010A | Missile Defense Alarm System. |
| ERS 3 | Dec. 17, 1962 | Unknown | Point Arguello | LV-3A Atlas-Agena B | -------- | -------- | Launch failed. |
| Midas 6 | Dec. 17, 1962 | 2,000 | Point Arguello | LV-3A Atlas-Agena B | -------- | 1963-014A | Missile Defense Alarm System. Carried ERS-3, ERS-4 subsatellites. Launch failed. |
| ERS 4 | Dec. 17, 1962 | Unknown | Point Arguello | LV-3A Atlas-Agena B | -------- | -------- | Launch failed. |
| Midas 7 | May 9, 1963 | 2,000 | Point Arguello | LV-3A Atlas-Agena B | 87.30 | 1963-030A | MIDAS 7 was the first operational MIDAS mission and the first equipped with the W-37 sensor. During its six weeks of operation, MIDAS 7 recorded nine US ICBM launches, including the first missile launch ever detected from space. |
| ERS 7 | June 12, 1963 | Unknown | Point Arguello | LV-3A Atlas-Agena B | -------- | -------- | Launch failed. |
| ERS 8 | June 12, 1963 | Unknown | Point Arguello | LV-3A Atlas-Agena B | -------- | -------- | Launch failed. |
| Midas 8 | June 12, 1963 | 2,000 | Point Arguello | LV-3A Atlas-Agena B | -------- | -------- | Missile Defense Alarm System. Carried ERS-7, ERS-8 subsatellites. Launch failed. |
| Midas 9 | July 19, 1963 | 2,000 | Point Arguello | LV-3A Atlas-Agena B | 88.40 | -------- | Missile Defense Alarm System. Did not eject ERS 10 subsatellite. |
| Midas 10 | June 9, 1966 | 2,000 | Vandenberg | SLV-3 Atlas-Agena D | 90.00 | 1966-051A | Missile Defense Alarm System. Left in transfer orbit. |
| Midas 11 | Aug. 19, 1966 | 2,000 | Vandenberg | SLV-3 Atlas-Agena D | 89.70 | 1966-077A | Missile Defense Alarm System. |
| Midas 12 | Oct. 5, 1966 | 2,000 | Vandenberg | SLV-3 Atlas-Agena D | 89.80 | 1966-089A | Missile Defense Alarm System. |
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