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Imaging X-ray Polarimetry Explorer (IXPE) Mission

On Thursday, December 9 at 1:00 a.m. EST, Falcon 9 launched NASA’s Imaging X-ray Polarimetry Explorer (IXPE) to low Earth orbit from historic Launch Complex 39A (LC-39A) at NASA’s Kennedy Space Center...

Watch NASA's IXPE Observatory Launch Into Space — Official Live Broadcast

We're sending a new pair of X-ray eyes into the universe! NASA's Imaging X-ray Polarimetry Explorer (IXPE) is our first satellite dedicated to measuring the polarization of X-rays. Polarized light is...

IXPE

Circle Image

Overview

Destination: Low Earth Orbit
Mission: Astrophysics

Low Earth Orbit Launch Complex 39A Kennedy Space Center, FL, USA Probability: 90%
B1061 - Just Read the Instructions

Imaging X-ray Polarimetry Explorer (IXPE) is a space observatory tasked with measuring the polarization of cosmic X-rays. This data will help to learn more about objects that emit these X-rays, such as black holes and neutron stars.

Updates

Cosmic_Penguin • Dec. 9, 2021, 6:41 a.m.

Launch success



Nosu • Dec. 4, 2021, 5:13 p.m.

T-0 confirmed by NASA



Nosu • Oct. 19, 2021, 6:16 a.m.

Moving forward to December 9 and adding launch time.


Falcon 9

Family:
Configuration: Block 5

Falcon 9 is a two-stage rocket designed and manufactured by SpaceX for the reliable and safe transport of satellites and the Dragon spacecraft into orbit. The Block 5 variant is the fifth major interval aimed at improving upon the ability for rapid reusability.

See Details
Specifications
  • Stages
    2
  • Length
    70.0 m
  • Diameter
    3.65 m
  • Fairing Diameter
    5.2 m
  • Launch Mass
    549.0 T
  • Thrust
    7607.0 kN
Family
  • Name
    Falcon 9
  • Family
  • Variant
    Block 5
  • Alias
  • Full Name
    Falcon 9 Block 5
Payload Capacity
  • Launch Cost
    $52000000
  • Low Earth Orbit
    22800.0 kg
  • Geostationary Transfer Orbit
    8300.0 kg
  • Direct Geostationary
  • Sun-Synchronous Capacity

Booster Info


B1061

Status: Expended


Type: Core
Flight Proven: Yes
First Flight: November 16, 2020
Last Flight: October 7, 2024
Flights: 23
Landings Attempted: 22
Landings Successful: 22
Previous B1061 Flights

Landing Information

B1061 has landed on ASDS JRTI after its fifth flight.

Result: Successful Autonomous Spaceport Drone Ship landing at Just Read the Instructions.

SpaceX

SpaceX

(SpX)

CEO: Elon Musk Founded: 2002 Successes: 678 Failures: 15 Pending: 133

Agency Type:

Space Exploration Technologies Corp., known as SpaceX, is an American aerospace manufacturer and space transport services company headquartered in Hawthorne, California. It was founded in 2002 by entrepreneur Elon Musk with the goal of reducing space transportation costs and enabling the colonization of Mars. SpaceX operates from many pads, on the East Coast of the US they operate from SLC-40 at Cape Canaveral Space Force Station and historic LC-39A at Kennedy Space Center. They also operate from SLC-4E at Vandenberg Space Force Base, California, usually for polar launches. Another launch site is being developed at Boca Chica, Texas.

INFO WIKI

Related News

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NASA’s IXPE Gets Fresh Look at Supernova

NASA’s IXPE (Imaging X-ray Polarimetry Explorer) mission has taken a new observation of a supernova, RCW 86, seen here in an image released on March 24, 2026. This observation helps fill in a fuller picture of what other telescopes have se…

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NASA X-Ray Mission Gets Fresh Look at 2,000-Year-Old Supernova

NASA’s IXPE (Imaging X-ray Polarimetry Explorer) mission has taken a new observation of a supernova, RCW 86, helping fill in a fuller picture of what other telescopes have observed. When astronomers using NASA’s Chandra X-ray Observatory p…

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NASA's IXPE Measures White Dwarf Star for First Time

Huntsville AL (SPX) Jan 05, 2026 For the first time, scientists have used NASA's IXPE (Imaging X-ray Polarization Explorer) to study a white dwarf star. Using IXPE's unique X-ray polarization capability, astronomers examined a star ca…

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NASA’s IXPE Measures White Dwarf Star for First Time

By Michael Allen  For the first time, scientists have used NASA’s IXPE (Imaging X-ray Polarization Explorer) to study a white dwarf star. Using IXPE’s unique X-ray polarization capability, astronomers examined a star called the intermediat…

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NASA IXPE’s Longest Observation Solves Black Hole Jets Mystery

Written by Michael Allen An international team of astronomers using NASA’s IXPE (Imaging X-ray Polarimetry Explorer) has identified the origin of X-rays in a supermassive black hole’s jet, answering a question that has been unresolved sinc…

Kennedy Space Center, FL, USA

Launch Complex 39A


Falcon 9
Deployed
13 hours, 34 minutes ago
Project Starfall Demonstration Mission
Space Launch Complex 40 - Cape Canaveral SFS, FL, USA

Note: Mission profile and payload details are TBD. Demonstration mission for SpaceX’s Project Starfall, which aims to mass-produce reentry capsule…


Long March 7A
Success
22 hours, 17 minutes ago
TJSW-26A
201 - Wenchang Space Launch Site, People's Republic of China

Chinese classified satellite claimed to be for communication technology test purposes. Actual mission not known.


Falcon 9
Success
2 days, 7 hours ago
Starlink Group 17-28
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.


Electron
Success
4 days, 14 hours ago
VICTUS HAZE Puma
Rocket Lab Launch Complex 1A - Rocket Lab Launch Complex 1, Mahia Peninsula, New Zealand

VICTUS HAZE will see Rocket Lab design, build, launch, and operate a rendezvous proximity operation (RPO) capable spacecraft. U.S. Space Force Space …


Falcon 9
Success
4 days, 15 hours ago
NROL-179
Space Launch Complex 4E - Vandenberg SFB, CA, USA

Fourteenth batch of satellites for a reconnaissance satellite constellation built by SpaceX and Northrop Grumman for the National Reconnaissance Offi…


Ariane 64
Success
6 days, 12 hours ago
Amazon Leo (LE-03)
Ariane Launch Area 4 - Guiana Space Centre, French Guiana

Amazon Leo, formerly known as Project Kuiper, is a mega constellation of satellites in Low Earth Orbit that will offer broadband internet access, thi…


Falcon 9
Success
6 days, 17 hours ago
BlueBird Block 2 #3-5
Space Launch Complex 40 - Cape Canaveral SFS, FL, USA

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Kuaizhou 11
Success
6 days, 20 hours ago
CentiSpace-1 Group 05
Launch Area 95A - Jiuquan Satellite Launch Center, People's Republic of China

Note: Unofficial reports indicate there may be 1 or more additional satellites that failed to separate from the upper stage, however this is not offi…


Long March 12
Success
6 days, 21 hours ago
SatNet LEO Group 22
Commercial LC-2 - Wenchang Space Launch Site, People's Republic of China

A batch of 9 Low Earth Orbit communication satellites for the Chinese state owned SatNet constellation operated by the China Satellite Network Group.…


Long March 3B/E
Success
1 week ago
Shijian 31
Launch Complex 2 (LC-2) - Xichang Satellite Launch Center, People's Republic of China

Classified experimental Chinese satellite of unknown purposes (officially described for "spatial environment detection" purposes).