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Engineers Investigating NASA’s Voyager 1 Telemetry Data

posted by hubie on Monday May 23 2022, @05:39PM   Printer-friendly
from the you're-throwing-a-kink-in-my-telemetry dept.

upstart writes:

While the spacecraft continues to return science data and otherwise operate as normal, the mission team is searching for the source of a system data issue:

The engineering team with NASA's Voyager 1 spacecraft is trying to solve a mystery: The interstellar explorer is operating normally, receiving and executing commands from Earth, along with gathering and returning science data. But readouts from the probe's attitude articulation and control system (AACS) don't reflect what's actually happening onboard.

The AACS controls the 45-year-old spacecraft's orientation. Among other tasks, it keeps Voyager 1's high-gain antenna pointed precisely at Earth, enabling it to send data home. All signs suggest the AACS is still working, but the telemetry data it's returning is invalid. For instance, the data may appear to be randomly generated, or does not reflect any possible state the AACS could be in.

[...] It's possible the team may not find the source of the anomaly and will instead adapt to it, Dodd said. If they do find the source, they may be able to solve the issue through software changes or potentially by using one of the spacecraft's redundant hardware systems.

At only 160 baud, I bet it takes quite a while to update the onboard software on NASA Patch Tuesdays.

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  • (Score: 4, Informative) by Immerman on Tuesday May 24 2022, @12:56AM (2 children)

    by Immerman (3985) on Tuesday May 24 2022, @12:56AM (#1247374)

    2.7K, not 0.0001K - The coldest you can passively reach in space is thermal equilibrium with the microwave background radiation. And Voyager is passing through a relatively dense particle field (by deep space standards) at high speed - that's going to heat things up further.

    As for everything else... not so much. Most conductors won't become superconductors at ultra-low temperatures. Depending on capacitor design they can be almost completely unaffected by temperature. Etc.

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  • (Score: 0) by Anonymous Coward on Tuesday May 24 2022, @05:06AM

    by Anonymous Coward on Tuesday May 24 2022, @05:06AM (#1247403)

    Way to ruin the joke, party pooper.

  • (Score: 2) by PiMuNu on Tuesday May 24 2022, @02:12PM

    by PiMuNu (3823) on Tuesday May 24 2022, @02:12PM (#1247455)

    However, at 2.7 K quite a few things become superconducting - Lead, Niobium, Mercury, etc

    https://en.wikipedia.org/wiki/List_of_superconductors [wikipedia.org]

    I always find it amazing how different things are when not on earth.