1963-053A
S-056B was given the alternate name AD-A (Air Density Explorer A) in the new naming scheme. After launch, it got the name Explorer XIX. Launch was at 1849:25 on 1963 Dec 19, by Scout X-4 from Launch Complex D at Point Arguello Naval Missile Facility. It was inserted into a 590 x 2934 km x 78.6 deg orbit at 1858. Planned orbit had been 596 x 2994 km.
| AD-A | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1963 Dec 19 | 1849:25 | Launch by Scout X-4 | NMFPA LC-D |
| T+1:08 St 1 Algol burnout | |||
| T+1:25 St 2 Castor burn | |||
| T+2:07 St 2 burnout | |||
| T+2:13 Fairing sep | |||
| T+2:13 St 3 Antares burn | |||
| T+2:45 St 3 burnout | |||
| T+9:40 St 3 sep | |||
| 1859:06 | T+9:41 St 4 Altair 2 burn | ||
| 1859:31 | T+10:06 Stage 4 burnout | ||
| 1913:36s | T+24:11 Canister opened | ||
| Balloon inflated | |||
| 1918:05s | T+28:40 Balloon separation | ||
| 1963 Dec 21 | 0454 | 115.79 592 x 2390 x 78.6 | |
| 1967 Nov 21 | 113.60 736 x 2046 x 78.8 | ||
| 1971 Mar 21 | 112.23 938 x 1719 x 79.9 | ||
| 1973 Sep 27 | 111.37 722 x 1856 x 78.8 | ||
| 1977 Aug 26 | 110.67 887 x 1627 x 79.8 | ||
| 1981 Mar 25 | 100.45 636 x 913 x 78.7 | ||
| 1981 May 10 | 90.11 258 x 300 x 78.7 | ||
| 1981 May 10 | reentered | ||
Payload:
- Canister
- Radio beacon
- 3.6m Mylar balloon
