Electron n°32 (MATS) - OnS - 4.11.2022

Le prochain lancement de Rocket Lab est prévu le 4 novembre 2022 entre 17h15 GMT et 18h30 GMT.

Il emportera un satellite de l'agence spatiale suédoise (SNSA) construit par OHB System. MATS (Mesospheric Airglow/Aerosol Tomography and Spectroscopy) étudiera les ondes atmosphériques pour mieux comprendre comment la couche supérieure de l'atmosphère interagit avec le vent et les phénomènes météorologiques plus près de la surface. Ce satellite devait initialement être lancé par une fusée russe.

OHB System est le client de ce lancement, qui sera réalisé depuis le pas de tir LC-1B.

L'orbite visée est circulaire à 585 km d'altitude.

Une récupération du premier étage par hélicoptère (Sikorsky S-92) sera tentée.




Rocket Lab to Attempt Next Mid-Air Helicopter Rocket Catch During Next Mission
11/01/2022

LONG BEACH, Calif.--(BUSINESS WIRE)-- Rocket Lab USA, Inc. (Nasdaq: RKLB) (“Rocket Lab” or “the Company”), a leading launch and space systems company, today confirmed that it will attempt to catch an Electron rocket with a helicopter as it returns to Earth from space during the Company’s next launch.

Rocket Lab’s 32nd Electron launch, the “Catch Me If You Can” mission, is scheduled to launch from Pad B at Rocket Lab Launch Complex 1 during a launch window opening on November 04, UTC. Electron will carry a science research satellite by space systems provider OHB Sweden for the Swedish National Space Agency (SNSA). The Mesospheric Airglow/Aerosol Tomography and Spectroscopy (MATS) satellite is the basis for the SNSA’s science mission to investigate atmospheric waves and better understand how the upper layer of Earth’s atmosphere interacts with wind and weather patterns closer to the ground. MATS was originally due to fly on a Russian launch service before the mission was manifested on Rocket Lab’s Electron.

“Catch Me If You Can” will see Rocket Lab attempt to capture the rocket’s first stage mid-air with a helicopter as it returns from space. Using a modified Sikorsky S-92 helicopter to catch and secure the rocket by its parachute line, Rocket Lab will bring the captured stage back to its Auckland Production Complex to be processed and assessed by engineers and technicians for possible re-use.

This Electron recovery effort follows the catch of an Electron first stage during Rocket Lab’s first helicopter recovery attempt on the “There And Back Again” launch in May, and the recovery attempt for this mission will follow the same concept of operations as the previous launch.

Rocket Lab CEO and founder, Peter Beck, says: “Our first helicopter catch only a few months ago proved we can do what we set out to do with Electron, and we’re eager to get the helicopter back out there and advance our rocket reusability even further by bringing back a dry stage for the first time.”

“Catch Me If You Can” launch details:

Launch Window Opens: November 04, UTC
Launch vehicle: Electron
Customer: Swedish National Space Agency through OHB Sweden
Launch site: Rocket Lab Launch Complex 1, Pad B
Orbit: 585km circular Earth orbit
Payload: MATS
Recovery Mission Profile:

Shortly before lift-off, the customized Sikorsky S-92 recovery helicopter will deploy to the capture zone at sea, approximately 160 nautical miles off New Zealand’s Banks Peninsula.
Once launched, Electron’s first and second stages will separate at approximately T+2:32 minutes into the mission. The MATS payload will continue to orbit onboard the rocket’s second stage while Electron’s first stage descends back to Earth. At this point in the mission, Electron’s return is expected to reach speeds of up to 8,300km (5,150 miles) per hour and temperatures of up to 2,400 degrees C (4,352 F).
At approximately T+7:20 minutes after lift-off, Electron’s first parachute will deploy followed shortly after by the rocket’s main parachute. The double deployment of parachutes helps to slow the returning first stage to 0.4% of its top speed during descent: from 8,300km per hour to just 36km per hour.
As Electron enters the capture zone, Rocket Lab’s recovery helicopter will match the rocket’s speed and descent from above, attempt to secure the trailing parachute engagement line to the helicopter via a hook at the end of a long line.
Once captured and secured, Electron will be transported back to Rocket Lab’s Auckland Production Complex. There, technicians will receive and prepare the stage for inspection to assess its suitability for re-use.
+ Images & Video Content

https://flic.kr/s/aHBqjzPrHL

+ About Rocket Lab

Founded in 2006, Rocket Lab is an end-to-end space company with an established track record of mission success. We deliver reliable launch services, satellite manufacture, spacecraft components, and on-orbit management solutions that make it faster, easier and more affordable to access space. Headquartered in Long Beach, California, Rocket Lab designs and manufactures the Electron small orbital launch vehicle, the Photon satellite platform and the Company is developing the large Neutron launch vehicle for constellation deployment. Since its first orbital launch in January 2018, Rocket Lab’s Electron launch vehicle has become the second most frequently launched U.S. rocket annually and has delivered 150+ satellites to orbit for private and public sector organizations, enabling operations in national security, scientific research, space debris mitigation, Earth observation, climate monitoring, and communications. Rocket Lab’s Photon spacecraft platform has been selected to support NASA missions to the Moon and Mars, as well as the first private commercial mission to Venus. Rocket Lab has three launch pads at two launch sites, including two launch pads at a private orbital launch site located in New Zealand and a second launch site in Virginia, USA which is expected to become operational in 2022. To learn more, visit www.rocketlabusa.com.

+ Rocket Lab Media Contact
Murielle Baker
media@rocketlabusa.com

Le satellite MATS :

Début de la diffusion :

Décollage.

MECO.

Séparation des étages.

Allumage du deuxième étage.

Séparation de la coiffe.

Le premier étage vient d'atteindre le sommet de sa trajectoire, à ~ 140 km. Il commence sa retombée.

Ejection des deux batteries.

SECO.

Apparemment ils ne peuvent pas récupérer l'étage sous parachute, pas de raison particulière donnée.

Echec de la capture.

Le premier étage sera récupéré dans l'océan.

Allumage du moteur Curie.

Séparation du satellite MATS.

L'abandon de la tentative de récupération a été provoqué par la perte de la télémétrie du premier étage. L'hélicoptère doit alors évacuer la zone.

https://twitter.com/RocketLab/status/1588596203528519680

Encore un satellite européen lancé à l'étranger... Pourtant on a VEGA !

nikolai39 a écrit:Encore un satellite européen lancé à l'étranger... Pourtant on a VEGA !

Oui .... cela dit ce satellite MATS (Mesospheric Airglow/Aerosol Tomography and Spectroscopy) est d'une masse faible : 50 kg
https://en.wikipedia.org/wiki/MATS_(satellite)


Pour VEGA .... il aurait fallu pas mal de co-passagers pour atteindre un minimum de rentabilité du vol (Vega C peut envoyer plus de 2 t en orbite hélio-synchrone, Electron environ 300 kg)

Il aurait fallu un lanceur léger déjà opérationnel ( proposé par une start-up européenne ) pour jouer la concurrence. Y-en- a-t-il au moins un de prêt ?