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| Names | Space Transportation System-30 STS-30R |
|---|---|
| Mission type | Magellan spacecraft deployment |
| Operator | NASA |
| COSPAR ID | 1989-033A |
| SATCAT no. | 19968 |
| Mission duration | 4 days, 56 minutes, 27 seconds |
| Distance travelled | 2,377,800 km (1,477,500 mi) |
| Orbits completed | 65 |
| Spacecraft properties | |
| Spacecraft | Space Shuttle Atlantis |
| Launch mass | 118,441 kg (261,118 lb) |
| Landing mass | 87,296 kg (192,455 lb) |
| Payload mass | 20,833 kg (45,929 lb) |
| Crew | |
| Crew size | 5 |
| Members | |
| Start of mission | |
| Launch date | May 4, 1989, 18:46:59 UTC (2:46:59 pm EDT) |
| Launch site | Kennedy, LC-39B |
| Contractor | Rockwell International |
| End of mission | |
| Landing date | May 8, 1989, 19:43:26 UTC (12:43:26 pm PDT) |
| Landing site | Edwards, Runway 22 |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Low Earth orbit |
| Perigee altitude | 361 km (224 mi) |
| Apogee altitude | 366 km (227 mi) |
| Inclination | 28.45° |
| Period | 91.80 minutes |
| Instruments | |
| |
 STS-30 mission patch  From left: Grabe, Walker, Thagard, Cleave and Lee | |
STS-30 was the 29th NASA Space Shuttle mission and the fourth mission for Space Shuttle Atlantis. It was the fourth shuttle launch since the Challenger disaster and the first shuttle mission since the disaster to have a female astronaut on board. The mission launched from Kennedy Space Center, Florida, on May 4, 1989, and landed four days later on May 8, 1989. During the mission, Atlantis deployed the Venus-bound Magellan probe into orbit.
The mission was officially designated STS-30R as the original STS-30 designator belonged to STS-61-A, the 22nd Space Shuttle mission. Official documentation for that mission contained the designator STS-30 throughout. As STS-51-L was designated STS-33, future flights with the STS-26 through STS-33 designators would require the R in their documentation to avoid conflicts in tracking data from one mission to another.