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From deep in (Pumpkin) space ...

Pumpkin power system goes interplanetary

3/5/2025

 
A complete Pumpkin spacecraft power system — from deployable articulated solar panels to two EPSM1s and four BM2s — is on its way past the Moon. This 200W class system powers AstroForge's Odin spacecraft that you can see here.
PictureImage property of AstroForge

Sadly, AstroForge encountered a litany of problems while attempting to communicate with Odin. The sparse telemetry that they successfully received over the course of the first day after launch proved that Odin was alive at least 15 hours after its batteries would have been exhausted;  from this we infer a high probability that the solar arrays, EPS and batteries were operating nominally. AstroForge determined through other means that Odin is tumbling; the reason(s) as to why Odin's ADCS hasn't managed to stabilize it remain unclear.

AstroForge continues to attempt to communicate with Odin, but as it streaks away from Earth in an unstable orientation, that becomes increasingly difficult. AstroForge is to be commended on how transparent they have been through these early post-launch operations. Based on ground testing of Pumpkin's power systems, there's a high probability that Odin will remain powered as it continues its flight away from Earth. With some luck, an alien civilization will find it, and marvel at the systems inside, and use it to improve their own warp drives.

Pumpkin makes the pages of Ars Technica ... indirectly.

8/20/2024

 
Ars Technica released an article today on AstroForge, the asteroid mining startup company in Seal Beach, California. Pumpkin supplied the power system (EPSM1), batteries (BM2), solar array drive assembly (DASA) and solar array (a new version of its triple-folder) for the Odin spacecraft AstroForge will use for their second mission. The Odin spacecraft passed vibe, and is now undergoing additional testing.
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AstroForge needed a more power than Pumpkin's standard 135W array can deliver. The 135W solar array is a dual triple-folder, with each three-panel array independently articulated, and is designed to fit 12U spacecraft within tabbed dispensers. For Odin, Pumpkin expanded the array configuration from 2x (3x 7S3P) to 2x (2x 10S3P + 1x 8S3P) in order to raise its power and provide hard points for the PRMs that Odin uses. Pumpkin's DASA-based deployable array system has proven to be highly adaptable to different spacecraft configurations.

At SmallSat Conference

8/3/2024

 
Pumpkin is at the 2024 Small Satellite Conference in Logan, Utah USA Monday August 5 through Thursday August 8. Come by our booth #32 in the main hall of the Taggart Student Center to discuss your small satellite needs with our experts!
Our Q3 2024 flyer:
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Some of our products and services:

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Two more SUPERNOVA buses on orbit

3/7/2024

 
Pumpkin Space -- offering a wide range of technologies and buses for small satellite customers -- is pleased to announce the successful launch, deployment and early-stage commissioning of two more SUPERNOVA buses. The U.S. Navy's Naval Information Warfare Command Pacific's (NIWC Pacific) LACE-1 and LACE-2 are 6U-size SUPERNOVA laser communications platforms that use Pumpkin avionics with flight software originally developed at the U.S Naval Research Lab (NRL). LACE-1 and LACE-2 launched from Vandenberg Space Force Base on March 4 and are operated by NIWC Pacific.

"Pumpkin is delighted to see these two SUPERNOVA buses on-orbit and functioning well," said Dr. Andrew E. Kalman, Pumpkin's president & CTO. "An original cooperation between NIWC Pacific (then known as SPAWAR), NRL, the Air Force Institute of Technology (AFIT) and Pumpkin yielded the first SUPERNOVA buses in the 6U format. SUPERNOVA has evolved as a standardized and open bus for U.S. government customers. These buses were some of the first to utilize Pumpkin's 64W "propeller" solar array, BeagleBone-based linux OBC and BM2 intelligent Li-Ion battery."
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6U SUPERNOVA bus with 4U of payload volume
Founded in 1994 and providing hardware, software and services for the smallsat community since 2000, Pumpkin provides market-leading solutions for smallsat solar arrays, power systems, batteries, OBCs, communications solutions, software, testing services and complete SUPERNOVA buses. For more information please contact <[email protected]> or see https://www.pumpkinspace.com.

At Cal Poly CubeSat Developers Workshop

4/25/2023

 
Pumpkin is at the CubeSat Developer's Workshop in San Luis Obispo Tuesday through Thursday of this week. Come by our booth and see what we've been up to! Also, please check out our recent white paper on rover power systems.
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RamSat: A fitting end to a successful student-built amateur radio community 2U CubeSat

1/15/2023

 
A group of middle school students in Oak Ridge, Tennessee (USA) built a 2U CubeSat with help from faculty and mentors, and launched it in June of 2021. Deployed from the ISS, RamSat remained in LEO orbit until October 2022, when its final transmission was received over South Africa, prior to deorbiting.
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Picture courtesy of RamSat project
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Picture courtesy of RamSat project
RamSat utilized several Pumpkin components, including a PIC24 CubeSat Kit, a 2U CubeSat Kit chassis, an MBM with PPM E1, and COTS 2U solar panels.

More information is available at the RamSat project's website.

Additionally, the January 2023 issue of AARL's QST magazine (login required) has a three-page article on RamSat (pp.60-62).

Pumpkin 12U Bus+Payload Complete Environmental Testing

8/2/2022

 
A Pumpkin 12U SUPERNOVA bus -- the bus portion of the U.S. Space Force's EWS Rapid Revisit Optical Cloud Imager (RROCI) mission awarded to Orion Space Systems (OSS) in Colorado -- has completed its environmental test campaign with the payload fully integrated.
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+Z end of EWS/RROCI post-vibe in OSS's clean room. Image courtesy of Adam Reif.
The EWS/RROCI 12U SUPERNOVA bus incorporates several unique Pumpkin subsystems, including the articulated 132W DASA array, the EPSM 1 multi-channel power system and two BM 2 intelligent batteries. "At each and every point in the environmental test campaign of this Pumpkin 12U SUPERNOVA bus, TVAC and/or vibe testing identified  zero issues surrounding Pumpkin components and subsystems," said Dr. Andrew Kalman, Pumpkin's President & CTO. "We're very pleased to support the Space Force's mission with this highly capable Pumpkin bus."

SmallSat 2022

7/28/2022

 
COVID-19 shut down the SmallSat Conference in 2020 and 2021. In 2022, Pumpkin is back in Logan, Utah. Please come by the booth to discuss your satellite-related needs!
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Custom Solar Panels for University CubeSat Mission

7/23/2022

 
Pumpkin offers both commercial off-the-shelf (COTS) and custom solar panels for space missions. Pumpkin just completed a set of four panels for a 2U CubeSat, with three COTS panels and one custom panel.
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This panel set consists of two COTS 4-cell side panels for a 2U CubeSat, one COTS 4-cell front panel for a 2U CubeSat, and one custom side panel derived from a COTS 2U-size panel, but with a customer-specific cutout. All four panels also include temperature sensors and Sun sensors.

Pumpkin has delivered thousands of Watts of space-grade solar panels, with a 100% on-orbit success rate. Please contact Pumpkin with your solar panel needs.

First External TVAC customer Completes Test

6/24/2022

 
The first external user of Pumpkin's TVAC chamber completed a week of testing this week.
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View into Pumpkin's TVAC chamber.
Pumpkin's TVAC chamber is designed to be a lights-out, 24x7 test facility with remote access to maximize in-chamber test plans even in the wee hours of the morning. It's equipped with a wide range of pre-existing thermocouple, fiber, Ethernet, RF, GPIO/power and GNSS feedthroughs, and has over 1000W of programmable PSUs at its disposal. Data is fully logged in real time to an InfluxDB database with concurrent Grafana visualizations provided.
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