Living Person

STS-51-A
is

STS-51-A

As of April 13, 2026

41 years old
5 months!

Days Until Birthday

208 days

Days Since Birth

15,131 days
elapsed

Date of Birth

(November 8born, 1984 ) is

Thu
Day

Rat
Year

* Calculated from Wikipedia data.
Accuracy is not guaranteed.

Cosmic Age Calculator

Moon

553.8 years old

Mercury

172 years old

Venus

67.3 years old

Mars

22 years old

Jupiter

3.5 years old

Saturn

1.4 years old

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STS-51-A
Dale A. Gardner poses in front of a camera with a "For Sale" sign in his hand, jokingly referring to the two broken satellites (Palapa B2 and Westar 6) the crew was sent out on EVA to pick up and return to Earth.
NamesSpace Transportation System-14
Mission typeCommunications satellites deployment
Communications satellites retrieval
OperatorNASA
COSPAR ID1984-113A Edit this at Wikidata
SATCAT no.15382Edit this on Wikidata
Mission duration7 days, 23 hours, 44 minutes, 56 seconds
Distance travelled5,293,786 km (3,289,406 mi)
Orbits completed127
Spacecraft properties
SpacecraftSpace Shuttle Discovery
Launch mass119,442 kg (263,325 lb)
Landing mass94,123 kg (207,506 lb)
Payload mass17,375 kg (38,305 lb)
Crew
Crew size5
Members
EVAs2
EVA duration
  • 11 hours, 42 minutes
  • 1st EVA: 6 hours
  • 2nd EVA: 5 hours, 42 minutes
Start of mission
Launch dateNovember 8, 1984, 12:15:00 (1984-11-08UTC12:15Z) UTC (7:15 am EST)
Launch siteKennedy, LC-39A
ContractorRockwell International
End of mission
Landing dateNovember 16, 1984, 11:59:56 (1984-11-16UTC11:59:57Z) UTC (6:59:56 am EST)
Landing siteKennedy, SLF Runway 15
Orbital parameters
Reference systemGeocentric orbit
RegimeLow Earth orbit
Perigee altitude332 km (206 mi)
Apogee altitude354 km (220 mi)
Inclination28.45°
Period90.40 minutes
Instruments
Diffused Mixing of Organic Solutions (DMOS)

STS-51-A mission patch

From left: Gardner, Walker, Fisher, Hauck and Allen
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