Watch the Launch

Additional Media

James Webb Space Telescope Launch — Official NASA Broadcast

Watch the launch of the James Webb Space Telescope—the most powerful space telescope ever made. This mission launched at 7:20 a.m. EST (12:20 UTC), Dec. 25, 2021, aboard an Ariane 5 rocket from Europe...

Flight VA256 – James Webb Space Telescope | Ariane 5 Launch | Arianespace

Summary: 00:00:00 Start of the livestream 00:03:21 Launch status update 00:05:23 Good Luck Webb 00:06:04 Launcher’s roll-out 00:07:02 JWST basic facts 00:11:12 JWST science goals 00:17:44 JWST challen...

James Webb Space Telescope

NASA's James Webb Space Telescope (JWST), developed in partnership with ESA and CSA, is operated by AURA's Space Telescope Science Institute.

James Webb Space Telescope (JWST)

Circle Image

Overview

Destination: Sun-Earth L2
Mission: Astrophysics

Sun-Earth L2 Ariane Launch Area 3 Guiana Space Centre, French Guiana

The James Webb Space Telescope is a space telescope developed by NASA, ESA and CSA to succeed the Hubble Space Telescope as NASA's flagship astrophysics mission. Its primary mirror, the Optical Telescope Element, is composed of 18 hexagonal mirror segments which combine to create a 6.5 m diameter mirror, considerably larger than Hubble's 2.4 m mirror. This will allow JWST to provide improved infrared resolution and sensitivity over Hubble, and will enable a broad range of investigations across the fields of astronomy and cosmology, including observing some of the most distant events and objects in the universe, such as the formation of the first galaxies.

Updates

SwGustav • Dec. 25, 2021, 12:58 p.m.

Successful launch confirmed


SwGustav • Dec. 21, 2021, 9:37 p.m.

Delaying by 24 hours due to adverse weather forecast


Jay • Dec. 17, 2021, 10:18 p.m.

Go for launch.


Cosmic_Penguin • Dec. 15, 2021, 12:25 a.m.

New NET date.


Cosmic_Penguin • Nov. 25, 2021, 12:56 a.m.

New launch date confirmed after additional spacecraft testing.


Ariane 5 ECA+

Family:
Configuration: ECA+

Ariane 5 ECA+ is a variant of the Ariane 5 heavy-lift vehicle, with a taller ECA-D upper stage.

Specifications
  • Max Stage
    2
  • Length
    57.7 m
  • Diameter
    5.4 m
  • Fairing Diameter
    5.4 m
  • Launch Mass
    780.0 T
  • Thrust
    11400.0 kN
Family
  • Name
    Ariane 5 ECA+
  • Family
  • Variant
    ECA+
  • Alias
  • Full Name
    Ariane 5 ECA+
Payload Capacity
  • Launch Cost
  • Low Earth Orbit
  • Geostationary Transfer Orbit
    10200.0 kg
  • Direct Geostationary
  • Sun-Synchronous Capacity

ArianeGroup

ArianeGroup

(AG)

CEO: Christophe Bruneau Founded: 2015 Successes: 0 Failures: 0 Pending: 0

Agency Type:

ArianeGroup (formerly Airbus Safran Launchers) is an aerospace company based in France. A joint venture between Airbus and Safran, the company was founded in 2015 and is headquartered in Issy-les-Moulineaux. It consists of three core arms: aerospace, defence and security.

INFO WIKI

Related News

ESA

Webb reveals millions of stars in nearby galaxy

In new images from the NASA/ESA/CSA James Webb Space Telescope to celebrate its fourth science anniversary, a familiar galaxy transforms into something far richer, and far more complex, than ever seen before. Webb’s unprecedented sensitivi…

NASA

NASA Webb Uncovers Unusual Galaxy Shaped by Cosmic Collision

In new images from NASA’s James Webb Space Telescope to celebrate its fourth science anniversary, a familiar galaxy transforms into something far richer, and far more complex, than ever seen before. Webb’s unprecedented sensitivity across …

NASA

NASA’s Webb Reveals Stars Sparking to Life in Cosmic Celebration

NASA’s James Webb Space Telescope has captured the infrared light of numerous features that previously were impossible to see beyond the thick dust of the FS Tau star system. In addition to myriad background galaxies that burst into view l…

ESA

Webb studies how a planet survived the death of its star

An international team of astronomers has used the NASA/ESA/CSA James Webb Space Telescope to watch the Jupiter-sized exoplanet WD 1856 b transit its host star, measuring the planet’s mass and temperature and even detecting its atmosphere.

NASA

NASA’s Webb Studies How Planet Survived Death of its Star

NASA’s James Webb Space Telescope is giving us new insight into the far-future of solar systems like our own, as the agency continues to reveal the secrets of the universe and our place in it. Billions of years ago, a Sun-like star nearing…

Guiana Space Centre, French Guiana

Ariane Launch Area 3


Starship
Success
1 day, 13 hours ago
Flight 13
Orbital Launch Pad 2 - SpaceX Starbase, TX, USA

13th test flight of the two-stage Starship launch vehicle. Second flight of Starship V3. For the first time, Starship will carry 20 V3 Starlink sa…


Kinetica 1
Success
2 days, 12 hours ago
5 satellites
Launch Area 130 - Jiuquan Satellite Launch Center, People's Republic of China

Share-ride of 5 commercial Earth observation and technology demonstration satellites to SSO, including SpaceTY's TY-48. Details TBD.


Long March 3B/E
Success
2 days, 23 hours ago
Tianlian 2-06
Launch Complex 2 (LC-2) - Xichang Satellite Launch Center, People's Republic of China

Tianlian is a Chinese data tracking and relay communications geostationary satellite series. The TL 2 (Tian Lian 2) satellites represent the second g…


Gravity-1
Success
4 days, 9 hours ago
9 satellites
Yellow Sea (launch location 5) - Haiyang Oriental Spaceport

Carried 9 satellites on a share-ride to sun-synchronous orbit. Details TBD.


Falcon 9
Success
4 days, 14 hours ago
MRV-1
Space Launch Complex 40 - Cape Canaveral SFS, FL, USA

The Northrop Grumman/SpaceLogistics MRV-1 is a mission extension payload including a mission robotic vehicle (MRV) and multiple mission extension pod…


Falcon 9
Success
4 days, 21 hours ago
Starlink Group 17-39
Space Launch Complex 4E - Vandenberg SFB, CA, USA

A batch of 24 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Soyuz 2.1b
Success
6 days, 18 hours ago
16 x Rassvet-3
43/4 (43R) - Plesetsk Cosmodrome, Russian Federation

Note: Payload identities uncertain. Batch of 16 Rassvet-3 Low Earth Orbit communication satellites for the Russian Byuro-1440 (Bureau 1440) conste…


Vikram-I
Success
1 week, 1 day ago
Demo Flight
Satish Dhawan Space Centre First Launch Pad - Satish Dhawan Space Centre, India

First launch of Skyroot Aerospace's Vikram-I launch vehicle. This first launch will carry 4 payloads: - Grahaa Space's SOLARAS S3 satellite - C…


Falcon 9
Success
1 week, 2 days ago
SDA Tranche 1 Transport Layer E
Space Launch Complex 4E - Vandenberg SFB, CA, USA

Tranche 1 Transport Layer E is one of six missions by the United States Space Force Space Development Agency (SDA) for the Proliferated Warfighter Sp…


Soyuz 2.1a
Success
1 week, 4 days ago
Soyuz MS-29
31/6 - Baikonur Cosmodrome, Republic of Kazakhstan

Soyuz MS-29 will carry three cosmonauts and one astronaut to the International Space Station aboard the Soyuz spacecraft from the Baikonur Cosmodrome…