Problem with Ariane 5 rocket causes Arianespace to delay Webb telescope launch
As first revealed in mid-May, Arianespace has been forced to delay the launch of the James Webb Space Telescope by at least one month because of a problem with the fairing on its Ariane 5 rocket, found during an August 2020 launch.
There have been no Ariane 5 launches since. According to yesterday’s press briefing, however:
“The origin of the problem has been found. Corrective actions have been taken,” Daniel de Chambure, acting head of Ariane 5 adaptations and future missions at ESA, said. “The qualification review has started, so we should be able to confirm all that within a few days or weeks.” He did not elaborate on the problem or those corrective actions, beyond stating that the problem took place during separation of the payload fairing. Industry sources said in May that, on the two launches, the separation system imparted vibrations on the payload above acceptable limits, but did not damage the payloads.
It appears this new delay to Webb’s launch is because two commercial payloads must lift off first before Webb, with the first now scheduled for July. According to Arianespace, it will take two months prep for the next commercial launch, followed by two months prep for the Webb launch. That puts the launch of Webb in November.
Overall this particular delay is slight, only a few weeks, and pales in comparison to the ten years of delays experienced by NASA during development and construction of Webb. It also will add very little to the telescope’s overall budget, which has grown from an original price of $500 million to now about $10 billion.
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As first revealed in mid-May, Arianespace has been forced to delay the launch of the James Webb Space Telescope by at least one month because of a problem with the fairing on its Ariane 5 rocket, found during an August 2020 launch.
There have been no Ariane 5 launches since. According to yesterday’s press briefing, however:
“The origin of the problem has been found. Corrective actions have been taken,” Daniel de Chambure, acting head of Ariane 5 adaptations and future missions at ESA, said. “The qualification review has started, so we should be able to confirm all that within a few days or weeks.” He did not elaborate on the problem or those corrective actions, beyond stating that the problem took place during separation of the payload fairing. Industry sources said in May that, on the two launches, the separation system imparted vibrations on the payload above acceptable limits, but did not damage the payloads.
It appears this new delay to Webb’s launch is because two commercial payloads must lift off first before Webb, with the first now scheduled for July. According to Arianespace, it will take two months prep for the next commercial launch, followed by two months prep for the Webb launch. That puts the launch of Webb in November.
Overall this particular delay is slight, only a few weeks, and pales in comparison to the ten years of delays experienced by NASA during development and construction of Webb. It also will add very little to the telescope’s overall budget, which has grown from an original price of $500 million to now about $10 billion.
The support of my readers through the years has given me the freedom and ability to analyze objectively the ongoing renaissance in space, as well as the cultural changes -- for good or ill -- that are happening across America. Four years ago, just before the 2020 election I wrote that Joe Biden's mental health was suspect. Only in this year has the propaganda mainstream media decided to recognize that basic fact.
Fourteen years ago I wrote that SLS and Orion were a bad ideas, a waste of money, would be years behind schedule, and better replaced by commercial private enterprise. Even today NASA and Congress refuse to recognize this reality.
In 2020 when the world panicked over COVID I wrote that the panic was unnecessary, that the virus was apparently simply a variation of the flu, that masks were not simply pointless but if worn incorrectly were a health threat, that the lockdowns were a disaster and did nothing to stop the spread of COVID. Only in the past year have some of our so-called experts in the health field have begun to recognize these facts.
Your help allows me to do this kind of intelligent analysis. I take no advertising or sponsors, so my reporting isn't influenced by donations by established space or drug companies. Instead, I rely entirely on donations and subscriptions from my readers, which gives me the freedom to write what I think, unencumbered by outside influences.
Please consider supporting my work here at Behind the Black.
You can support me either by giving a one-time contribution or a regular subscription. There are five ways of doing so:
1. Zelle: This is the only internet method that charges no fees. All you have to do is use the Zelle link at your internet bank and give my name and email address (zimmerman at nasw dot org). What you donate is what I get.
2. Patreon: Go to my website there and pick one of five monthly subscription amounts, or by making a one-time donation.
3. A Paypal Donation:
5. Donate by check, payable to Robert Zimmerman and mailed to
Behind The Black
c/o Robert Zimmerman
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Cortaro, AZ 85652
You can also support me by buying one of my books, as noted in the boxes interspersed throughout the webpage or shown in the menu above. And if you buy the books through the ebookit links, I get a larger cut and I get it sooner.
Perhaps you mean $10 Billion, not million? They’re certainly not cutting costs like SpaceX.
I’ve got the horrible premonition that something’s going to go wrong with this whole project and it will all be for naught. Nothing in particular to back this up, but I’m going to be on pins and needles until Webb is in position and operating nominally.
Skunk Bucket: I don’t know how that happened. Fixed to billion, as it should have been and I was certain it was. Thanks.
Serious question. Is the JWST insured against launch failure. Many payloads are, but I don’t know if they have a value of $10 billion.
Ray Van Dune: Government payloads are self-insured by the government. If Webb is lost during launch it is gone.
NASA made its barter deal with Arianespace to use the Ariane 5 partly because of its reputation for reliability.
I also get “bad vibes” from the James Webb… And I don’t think it’s just down to my spider senses. The cost over runs, and delays all boil down to problems found on the ground. And perhaps the delays are down to “an abundance of caution”, but I can’t help wonder if so many problems have been found in everything from basic design thru to launch, before it comes close to launching, what faults might become evident once the thing becomes space bound?
I hope that I am wrong, we need this telescope, and if it works as designed will open previously closed horizons, but man, I have huge reservations.
Hey, Now they can blame the delays on the Ariane 5 and not their own issues. Probably the Ariane 5 will be ready to launch and something else will go wrong.
Next – Hurricane topples Ariane with JBST aboard……
Don’t jinx it Col. Beausabre! It is rare for French Guiana to get hit by a hurricane. It is like Curaçao, they never get hit, and the hurricanes go north into the Caribbean. It does rain a lot there.
Bob, can you remind me what each side offered in the barter to launch JWST?
Ray Van Dune: The deal was the same with Hubble, though what Europe provided was different. They launch Webb and get a guaranteed percentage of observation time per year on the telescope for Europeans.
Hubble was simple in comparison. Maybe the Ariane folks are missing another rag?
Lee Stevenson wrote: “I also get ‘bad vibes’ from the James Webb… And I don’t think it’s just down to my spider senses.”
There are a few things that are new or larger than have ever been tried before, so some trepidation is natural. Fortunately, NASA likes to test and verify before launch, and problems with some of these new items are responsible for a portion of the delays and cost overruns. These verifications should help assure us all that Webb will work properly as long as it reaches its operational orbit. Meanwhile, I have my fingers crossed for luck, too.