Scout X-4 | Explorer 20

Launch information

Favourite Embed

Mission description

Explorer 20 (IE A, Ionospheric Explorer A, TOPSI, Top Side Explorer or S 48) was designed to measure electron distribution, ion density and temperature, and to estimate cosmic noise levels between 2 and 7 MHz.

Launch status

Launch status information for space mission ‘Scout X-4 | Explorer 20’.

Launch image Scout X-4 | Explorer 20

Success

Status: Launch Successful

Class: normal

Launch T0: Aug. 25, 1964, 1:43 p.m.

Timezone: America/Los_Angeles

Launch authority

Details about the the rocket, its target orbit and the launch pad location.

Mission

Explorer 20 (LEO)

Launcher

National Aeronautics and Space Administration

Rocket

Scout X-4

Location

Vandenberg SFB, CA, USA

Pad

Space Launch Complex 5

Type

Earth Science

Orbit

Low Earth Orbit (LEO)

Satellites on-board

Satellites on-board the space mission ‘Scout X-4 | Explorer 20’ are identified by cross checking database entries for launches and satellites. Results could be inaccurate from time to time.

Number Name Orbit Inclination Country/Organization Status
870 EXPLORER 20 LEO 79.9 UNITED STATES OF AMERICA In-orbit

Launch statistics

Tracking key statistics for space mission ‘Scout X-4 | Explorer 20’, classified in stats relative to the specific mission launch year or to all-time values.

Orbital Launch

#352

To this date

Location Launch

#142

To this date

Pad Launch

#13

To this date

Agency Launch

#55

To this date

Orbital Launch

#60

Year 1964

Location Launch

#25

Year 1964

Pad Launch

#3

Year 1964

Agency Launch

#6

Year 1964

Latest news about the launch

No news available for this launch yet. Check back soon, we post updates daily.


Newsletter sign-up

Weekly statistics, charts and insights to help you stay on top of the space industry.