February 24, 1979, 08:24:00 (1979-02-24UTC08:24Z) UTC[3]
Rocket
Atlas F
Launch site
Vandenberg, SLC-3W[3]
End of mission
Disposal
Destroyed by ASAT
Destroyed
September 13, 1985 (1985-09-14)
Orbital parameters
Reference system
Sun-synchronous[4]
Regime
Low Earth
Eccentricity
.0022038[5]
Perigee altitude
515 kilometres (320 mi)[5]
Apogee altitude
545 kilometres (339 mi)[5]
Inclination
97.6346°[5]
RAAN
182.5017[5]
Argument of perigee
99.6346[5]
Mean anomaly
260.9644[5]
Mean motion
15.11755304[5]
Epoch
1985 09 13.72413718[5]
Instruments
Gamma-ray spectrometer, a white light spectrograph, an extreme ultraviolet spectrometer, a high latitude particle spectrometer, an aerosol monitor, and an X-ray monitor[4]
P78-1 or Solwind was a United States satellite launched aboard an Atlas F rocket from Vandenberg Air Force Base in California on February 24, 1979. The satellite's mission was extended by several weeks, so that it operated until it was destroyed in orbit on September 13, 1985, to test the ASM-135 ASAT anti-satellite missile.
^Krebs, Gunter. "Solwind (P78-1)". Gunter's Space Page. Retrieved March 20, 2014.
^ abMcDowell, Jonathan. "SATCAT". Jonathan's Space Pages. Retrieved March 20, 2014.
^ abc"Solwind". Encyclopedia Astronautica. Archived from the original on June 24, 2014. Retrieved March 20, 2014.
^ ab"The P78-1 Satellite". NASA Goddard Space Flight Center. June 26, 2003. Archived from the original on October 1, 2006. Retrieved March 20, 2014.
^ abcdefghiCite error: The named reference NASA 2008 was invoked but never defined (see the help page).
P78-1 or Solwind was a United States satellite launched aboard an Atlas F rocket from Vandenberg Air Force Base in California on February 24, 1979. The...
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