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Field notes

Technical deep-dives, industry analysis, and dispatches from the team building the runtime for orbital compute.

Flagship essay

Compute Isn't a Placement Problem Anymore

For fifty years, distributed systems have asked one question: where should this workload run? Orbital compute forces a different question, and it's going to change how we build infrastructure on Earth too.

April 04, 2026 · 26 min read ·Subhadip Mitra
Recent essays
cae May 08, 2026

Inside CAE: How a Feasible Plan Gets Built in Under Two Seconds

An engineering view of CAE, the constraint-aware execution planner from RotaStellar. We walk the four-phase pipeline (orbital environment, placemen...

10 min · Read →
agent Mar 07, 2026

Introducing the Rotastellar Operator Agent

RotaStellar now has an execution layer. The Operator Agent SDK is a Rust crate that runs on satellites, executes workloads, and streams events back...

Featured· 3 min · Read →
cae Mar 04, 2026

We Shipped the First Orbital Compute Scheduler. Here's How It Works.

RotaStellar CAE is live: the first API that computes constraint-aware execution plans for orbital workloads using real SGP4 propagation, eclipse de...

Featured· 5 min · Read →
orbital compute Feb 13, 2026

Everyone's Racing to Launch Orbital Data Centers. Nobody's Talking About the Software.

The orbital data center gold rush is real. But getting GPUs to orbit is the easy part. The hard part is the software stack that makes them useful.

13 min · Read →
announcement Jan 31, 2026

RotaStellar SDKs Now Available: Python, Node.js, and Rust

We've released official SDKs for Python, Node.js, and Rust. Get started with orbital intelligence and space compute planning in minutes.

Featured· 3 min · Read →
distributed compute Jan 21, 2026

Sustainable AI: Why Space Might Be the Greenest Place to Train Models

The physics and economics of orbital compute for environmentally conscious AI

7 min · Read →
orbital compute Jan 14, 2026

Will 2027 Really Be the Year AI Goes to Orbit?

A critical look at the timeline-and the technical milestones that will determine if it's real

6 min · Read →
orbital compute Jan 07, 2026

Thermal Management in Vacuum: What the Simulations Show

Counterintuitive findings from modeling heat rejection for orbital data centers

7 min · Read →
orbital compute Dec 18, 2025

Latency Myths in Orbital Compute

Why the numbers everyone quotes are wrong-and what actually matters

6 min · Read →
orbital intelligence Dec 03, 2025

Conjunction Analysis at Scale: 10,000 Satellites and Growing

The computational challenges nobody talks about-and what we learned building a system to handle them

6 min · Read →
orbital compute Nov 08, 2025

The Economics of Space Data Centers

A framework for understanding when orbital compute actually makes sense

5 min · Read →
company Oct 15, 2025

Introducing RotaStellar

Why we're building software infrastructure for the orbital computing era

3 min · Read →

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