space-engineering-skills

Design and analyze satellite constellations and distributed space architectures. Use this skill for Walker constellation patterns, coverage analysis, inter-satellite links, orbital shell design, collision avoidance, spectrum coordination, and deorbit compliance. Trigger for "constellation," "Walker pattern," "coverage analysis," "orbital shell," "inter-satellite link," "ISL," "revisit time," "ground coverage," "mega-constellation," or "distributed architecture."

Perform parametric cost estimation and ROM (Rough Order of Magnitude) costing for space missions. Use this skill to generate lifecycle cost estimates using CERs, compare launch costs, estimate operations budgets, and support cost-driven trade studies. Trigger this for "cost estimate," "ROM cost," "mission cost," "launch cost," "cost model," "lifecycle cost," "operations cost," or whenever a trade study needs cost as a Figure of Merit.

Perform Environmental Control and Life Support System (ECLSS) sizing and analysis for crewed spacecraft, stations, and habitats. Use this skill to size O₂ generation, CO₂ removal, water recovery, thermal/humidity control, and habitable volume. Trigger for "life support," "ECLSS," "crew systems," "O2 generation," "CO2 scrubbing," "water recycling," "habitable volume," "cabin pressure," or "crew consumables."

Define Flight Software (FSW) architectures, C&DH hardware requirements, and modern DevOps practices for space. Use this skill to size processors, estimate memory, plan software tasking, design FDIR strategies, plan CI/CD pipelines, set up simulation-in-the-loop testing, and define automated test infrastructure. Trigger this for "FSW architecture," "processor sizing," "data handling," "FDIR design," "onboard computer selection," "CI/CD for flight software," "simulation in the loop," "DevOps for space," or "automated FSW testing."

Design and assess ground segment infrastructure for space missions. Use this skill to plan mission control centers, ground station networks, launch facility requirements, GSE design, and range safety. Trigger for "ground systems," "mission control," "ground station," "GSE," "ground support equipment," "launch pad," "range safety," "mission operations center," "telemetry tracking," or "ground segment."

Perform In-Situ Resource Utilization (ISRU) sizing and feasibility analysis. Use this skill to evaluate resource extraction from planetary regolith, propellant production from local materials, water ice mining, and closed-loop resource economics. Trigger for "ISRU," "in-situ resources," "regolith processing," "propellant production," "water ice extraction," "lunar mining," "Mars ISRU," "Sabatier reactor," or "oxygen from regolith."

Assess spacecraft manufacturability, production planning, and fabrication trades. Use this skill for Design for Manufacturing (DFM), Design for Assembly (DFA), make-vs-buy decisions, production rate analysis, and vertical integration trades. Trigger for "manufacturability," "DFM," "DFA," "production rate," "make or buy," "fabrication," "assembly sequence," or "vertical integration."

Analyze reusability of launch vehicles and spacecraft systems. Use this skill to size recovery hardware, estimate refurbishment costs, model reuse degradation, and calculate flight-rate economics. Trigger for "reusability," "landing propellant," "recovery system," "refurbishment," "turnaround time," "flight rate economics," "booster recovery," or "reuse degradation."

Perform parametric cost estimation and cost-risk analysis for space missions. Use this skill to generate ROM (Rough Order of Magnitude) costs, build Cost Estimating Relationships (CERs), produce cost breakdowns by subsystem and WBS element, and generate cost S-curves for risk assessment. Trigger this for "mission cost," "cost estimate," "ROM cost," "cost model," "cost-to-complete," "budget estimate," "proposal cost," "cost breakdown," or "cost risk."

Plan Assembly, Integration, and Test (AIT/AIV) phases. Use this skill to define test flows, GSE requirements, environmental test campaigns, model philosophy, and cleanliness requirements. Trigger this for "test plan," "TVAC setup," "integration flow," "model philosophy," or "GSE requirements."

Perform RF link budget analysis, data volume assessments, and communication architecture sizing. Use this skill to calculate SNR, link margins, required antenna gains, data throughput, and ground station requirements. Trigger this for "link budget," "downlink rate," "RF analysis," "antenna sizing," "ground station," or "data budget."

Perform Guidance, Navigation, and Control (GNC) and ADCS assessments. Use this skill to calculate pointing budgets, size actuators (reaction wheels, torque rods, thrusters), define sensor suites, and specify attitude modes. Trigger this for "pointing budget," "ADCS sizing," "stabilization analysis," "attitude control," or "reaction wheel sizing."

Perform top-down Hazard Analysis (HA) and System Safety assessments. Use this skill to identify hazards, define safety controls (inhibits), trace them to requirements, and integrate with reliability FMECA. Trigger this for "hazard report," "safety analysis," "risk index," "inhibit design," or "system safety."

Define surface operations and mission timelines for lunar missions. Use this skill to manage lunar day/night cycles, traverse planning, landing site analysis, and surface resource management. Trigger for "lunar operations," "lunar timeline," "surface traverse," "lunar night survival," or "landing site."

Perform astrodynamics calculations, trajectory design, and mission analysis. Use this skill for tasks involving "delta-v budget", "orbit propagation", "ground tracks", "eclipse analysis", "maneuver planning", "launch windows", or "transfer orbit design".

Manage space mission operations, including telemetry & command definitions, pass planning, anomaly resolution, and procedure development. Use this skill when the user asks to "plan a pass," "define telemetry," "handle an anomaly," "create a command sequence," "write an operations procedure," or manage mission phases (LEOP, Commissioning, Routine).

Define the Concept of Operations (ConOps) for Earth-centered and deep space orbital missions. Use this skill to structure mission phases, plan mission timelines, define operational modes, and coordinate with analysis skills. Trigger for "ConOps," "mission phases," "mission timeline," "operational modes," or "end-of-life plan."

Perform payload and instrument sizing for space missions. Use this skill to estimate optical system parameters (aperture, GSD, FOV), RF instrument sizing (SAR, radiometer), in-situ instrument planning, data rate derivation, and payload-to-bus resource requirements. Trigger for "payload sizing," "instrument design," "GSD calculation," "sensor SNR," "payload data rate," or "science instrument."

Perform detailed Electrical Power System (EPS) sizing and analysis. Use this skill to model solar array degradation, battery depth-of-discharge, power bus architecture, and energy balance. Trigger this for "solar array sizing," "battery life," "EPS architecture," "power budget," or "energy balance."

Perform propulsion subsystem sizing and propellant mass estimation. Use this skill to select engine types, size propellant tanks, calculate burn durations, and evaluate electric vs chemical propulsion trades. Trigger this for "propellant sizing," "engine selection," "tank sizing," "burn duration," "electric propulsion," or "thrust-to-weight."

Perform reliability, radiation risk, and failure mode assessments for space missions. Use this skill to calculate mission life probability, TID exposure, FMECA, and parts derating. This skill provides the bottom-up failure data used as "Causes" in hazard-analysis. Trigger for "FMECA," "reliability," "radiation," "TID," "single event effects," or "parts screening."

Manage space engineering requirements in a human-readable, trackable format. Use this skill whenever the user wants to define, update, trace, or review system requirements, component specifications, verification criteria, mass/power budgets as requirements, or perform traceability audits. Trigger for "requirement," "specification," "shall statement," "traceability," or "requirements review."

Perform structural and mass properties analysis for spacecraft. Use this skill to calculate Center of Gravity (CG), Moments of Inertia (MOI), Margins of Safety under launch loads, and fundamental frequency estimates. Trigger this for "mass properties," "structural margin," "load analysis," "CG calculation," or "natural frequency."

Perform integrated systems engineering assessments. Use this skill to generate and integrate Mass, Power, and Link budgets from domain skill outputs. Use this as the top-level integrator, budget arbitrator, and conflict resolver. Trigger this when the user asks for a "mission sizing," "budget update," "technical assessment," or when budgets from different subsystems need reconciliation.

Perform detailed thermal analysis for spacecraft and rovers across various celestial environments. Use this skill to calculate heat balance, size radiators, determine MLI requirements, predict nodal temperatures, and plan thermal hardware. Trigger this for "thermal modeling," "radiator sizing," "temperature prediction," "heater sizing," or "thermal control."

Conduct architecture-level trade studies and decision analysis. Use this skill to build trade matrices, define Figures of Merit, compare mission architectures, and document design decisions. Trigger for "trade study," "trade matrix," "Pugh matrix," "architecture selection," "Figure of Merit," or "design decision."

Manage the Verification and Validation (V&V) process by linking technical assessments to system requirements. Use this skill to build Verification Control Matrices (VCM), track compliance status, and ensure all requirements have evidence. Trigger for "verification matrix," "VCM," "compliance check," "requirements closure," or "verification status."