ADE

Class: Earth. Type: Atmosphere. Nation: USA. Agency: NASA.

12 foot diameter. balloon; identical to Explorer 9; atmospheric density studies.

Typical orbit: 599 km x 2476 km at 80 degrees inclination. Mass: 8.00 kg (17.60 lb). Associated Launch Vehicle: Scout B, Scout X-4.

ADE Chronology

1963 December 19 - Explorer 19 - Program: Explorer. Launch Site: Point Arguello. Launch Vehicle: Scout X-4. Mass: 7.00 kg (15.40 lb). Perigee: 597 km (370 mi). Apogee: 2,391 km (1,485 mi). Inclination: 78.60 deg. Period: 115.90 min.
12 foot dia. balloon; identical to Explorer 9; atmospheric density studies. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B).

1964 November 21 - Explorer 24 - Program: Explorer. Launch Site: Vandenberg. Launch Vehicle: Scout X-4. Mass: 9.00 kg (19.80 lb). Perigee: 530 km (320 mi). Apogee: 2,498 km (1,552 mi). Inclination: 81.40 deg. Period: 116.30 min.
12 foot dia. balloon; atmospheric density studies. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B).

1968 August 8 - Explorer 39 - Program: Explorer. Launch Site: Vandenberg. Launch Vehicle: Scout B. Mass: 9.00 kg (19.80 lb). Perigee: 670 km (410 mi). Apogee: 2,538 km (1,577 mi). Inclination: 80.70 deg. Period: 118.30 min.
Air Density Explorer; atmospheric density and temperature data. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B).

Bibliography and Further Reading

USAF Satellite Database, USAF Institute of Technology, 1995. Accessed at: ftp://archive.afit.af.mil/pub/space/.

NASA Report, Determination of mean atmospheric densities during minimum solar activity by means of the Explorer XIX Satellite, . Accessed at: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19660017768_1966017768.pdf. -right click to download pdfs!

NASA Report, Comparison of ground tests and orbital launch results for the explorer ix and explorer xix satellites, . Accessed at: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19640018319_1964018319.pdf. -right click to download pdfs!

McDowell, Jonathan, Launch Log, October 1998. Jonathan McDowell's complete on-line listing of all objects orbited since Sputnik. Accessed at: http://hea-www.harvard.edu/~jcm/space/log/launch.html.

JPL Mission and Spacecraft Library, Jet Propulsion Laboratory, 1997. Accessed at: http://msl.jpl.nasa.gov/home.html.

McDowell, Jonathan, Jonathan's Space Home Page, Harvard University, 1997-present. Jonathan McDowell's complete on-line listing of all objects orbited and over 20,000 rocket launches Accessed at: http://www.planet4589.org/jsr.html.

Krebs, Gunter, Gunter's Space Page, University of Frankfurt, 1996. Accessed at: http://www.skyrocket.de/space.

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Encyclopedia Astronautica
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