Pegasus XL | Swift Boost Mission

Launch by Northrop Grumman Space Systems. Contracted by NASA under the Small Business Innovation Research Phase 3 contract, Katalyst Space Technologies' LINK servicing spacecraft will rendezvous and attach to NASA’s Neil Gehrels Swift Observatory to re-boost its orbit. This aims to demonstrate a key capability for the future of space exploration and extending the Swift mission’s science lifetime in gamma ray astronomy. From Air launch to orbit.
08
08
days
03
03
hours
55
55
min
40
40
sec
Advertisement
Advertisement

Frequently Asked Questions

There are exactly 9 days left until Pegasus XL | Swift Boost Mission, which is 196 hours or 11756 minutes.

Pegasus XL | Swift Boost Mission will take place on Saturday, June 27, 2026 at 09:00 AM.

Use our real-time countdown to precisely track the time remaining until Pegasus XL | Swift Boost Mission.

Related countdowns

See more space
Space
28

Hayabusa2 S-Type Asteroid (98943) Torifune Flyby

As part of its mission extension, JAXA's Hayabusa2 spacecraft will observe S-type asteroid (98943) Torifune during a high-speed fly-by. Location: (98943) Torifune.

16
d
04
h
25
m
40
s
7/5/2026View →
Space
20

US EVA-95

Two astronauts will replace a high-definition camera on camera port 3, install a new navigational aid for visiting spacecraft, called a planar reflector, on the Harmony module’s forward port, and relocate an early ammonia servicer jumper — a flexible hose assembly that connects parts of a fluid system — along with other jumpers on the station’s S6 and S4 truss. Location: International Space Station.

10
d
18
h
55
m
40
s
6/30/2026View →
Space
19

Solar Orbiter Venus Flyby

Solar Orbiter, a partnership between ESA and NASA, will perform a gravity assist maneuver with Venus on December 24, 2026. Throughout its mission it also makes repeated gravity assist flybys of Venus to get closer to the Sun, and to change its orbital inclination, boosting it out of the ecliptic plane, to get the best – and first – views of the Sun’s poles. Location: Venus.

187
d
18
h
55
m
40
s
12/24/2026View →
Space
17

SNC-1 Dream Chaser Landing

The Sierra Nevada Corporation SNC-1 Dream Chaser will land autonomously at the Launch and Landing Facility of Kennedy Space Center. Location: Kennedy Space Center, FL, USA.

194
d
20
h
55
m
40
s
12/31/2026View →
Space
17

Europa Clipper Earth Flyby

NASA’s Europa Clipper will fly by Earth for a second and final gravity assist on its way to Jupiter. Location: Earth.

194
d
18
h
55
m
40
s
12/31/2026View →
Space
16

Juice Earth Flyby

Third flyby of ESA's Jupiter Icy Moons Explorer (Juice) mission on its way to the Jovian system. Location: Earth.

102
d
18
h
55
m
40
s
9/30/2026View →