Nyx Space: Revolutionizing Flight Dynamics¶

Blazing fast open-source tools from mission concept to operations, analysis, and automation

Advanced Flight Dynamics

Complex mission orchestration

Model entire constellation lifecycles by targeting coupled multi-spacecraft trajectories and automating repeated, multi-phase operational conops sequences. Elevate estimation and environmental fidelity with mission-critical features, including consider covariance filtering to manage unestimated systematic errors, simultaneous ground station tracking bias estimation, and high-fidelity NRLMSISE-00 atmospheric drag modeling.

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Orbit Determination

Ansys ODTK Replacement (Nyx)

Mathematically rigorous estimation pipelines featuring extended Kalman filtering, backwards smoothing, and state noise compensation. Designed to drive raw tracking measurements to rapid operational convergence within automated Python workflows, or to execute deterministically as lightweight, high-fidelity flight software onboard the spacecraft.

Lunar OD demo

Mission Design & Optimization

Ansys STK Replacement (Nyx)

High-fidelity multi-body geometry analysis and trajectory optimization engines. Run complex low-thrust orbit raising sequences or multi-island genetic algorithm searches natively in Python at compiled-Rust speeds, compressing mission trade-space exploration loops from weeks to minutes.

GEO low thrust orbit raise

Monte Carlo & Dispersion Analysis

500 simulation days per minute

Massive-scale parallel operational-level risk analysis. Leverage concurrent, thread-safe architecture to distribute thousands of high-fidelity orbital runs across cloud-compute instances, translating statistical uncertainty into hard operational constraints, all on prem, for free.

James Webb Monte Carlo

Validated SPICE Replacement

ANISE

A thread-safe, zero-cost alternative to legacy SPICE toolkits, delivering deterministic planetary, coordinate frame, and instrument transformations. Engineered for high-throughput Python concurrent execution and bare-metal flight software, with proven lunar flight heritage, landing Blue Ghost on the Moon in March 2025.

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Precision Time Management

Hifitime

An overflow-safe, high-performance datetime library providing leap-second-correct nanosecond precision across UTC, GPST, and relativistic time-scales. Flight-proven in lunar and deep-space missions, it works on desktop, web assembly, and bare-metal platforms.

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Trusted by Industry Leaders

See who's already benefiting from our tools

Our tools are trusted and actively used by leading companies in the aerospace and technology sectors. Their commitment to using Nyx, Hifitime, and ANISE is a testament to the reliability, efficiency, and advanced capabilities of our software.

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