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    • Home (overview)
    • What is cislunar space
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    • Glossary · terms & definitions
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  • Cislunar glossary (terms & definitions)

    • Cislunar Space Glossary
    • Fundamentals

      • Absolute Range
      • Aerodynamic Coefficient
      • Aerodynamic Moment
      • Aerospace Vehicle
      • Allan Deviation (ADEV)
      • Ballistic Coefficient
      • Bi-Elliptic Transfer
      • Body Frame
      • Celestial Coordinate System
      • Celestial Sphere
      • Characteristic Velocity
      • Coverage Angle
      • Dual One-Way Ranging (DOWR)
      • Earth Ellipsoid
      • Earth Oblateness Perturbation
      • Earth-Centered Earth-Fixed Frame (ECEF)
      • Einstein Equivalence Principle (EEP)
      • Energy Parameter
      • Earth Observation (EO)
      • Finite Thrust Maneuver
      • Free-Flight Phase
      • Free-Flight Trajectory
      • Frozen Orbit
      • Gaussian Perturbation Equations
      • Geocentric Inertial Frame
      • GPS Time
      • Gravitational Potential
      • Gravitational Redshift
      • Gravity Turn
      • Gravity vs Gravitation
      • High Altitude Airship (HAA)
      • Hit Equation
      • Hohmann Transfer
      • Inertial Navigation System
      • Instantaneous Balance Assumption
      • In-Situ Resource Utilization (ISRU)
      • Julian Date
      • Kepler's Equation
      • Korea Multi-Purpose Satellite (KOMPSAT)
      • Lagrangian Perturbation Equations
      • Launch Azimuth
      • Launch Window
      • Lift-to-Drag Ratio
      • Load Factor
      • Longitudinal and Lateral Motion
      • Lunar Lander
      • Minimum Energy Trajectory
      • Near-space
      • Newton's Iteration Method
      • Nuri (KSLV-II)
      • Nutation
      • Optimal Velocity Inclination
      • Orbit Capture
      • Orbit Insertion Conditions
      • Orbital Elements
      • Orbital Equation
      • Orbital Maneuver
      • Orbital Phase
      • Orbital Transfer Vehicle
      • Passive Hydrogen Maser (PHM)
      • Perturbation Motion
      • Phasing Orbit
      • Pitch Program Angle
      • Powered Phase
      • Precession
      • Center of Pressure
      • Range Error Coefficient
      • Reentry Corridor
      • Reentry Phase
      • Repeat Ground Track Orbit
      • Reusable Launch Vehicle
      • Synthetic Aperture Radar (SAR)
      • Satellite Ring
      • Sequential Quadratic Programming
      • Skip Reentry
      • Solar Exposure Factor
      • Specific Angular Momentum
      • Specific Impulse
      • Stagnation Heat Flux
      • Standard Atmosphere
      • Stratospheric Airship
      • Subsatellite Track
      • Sun-Synchronous Orbit
      • Thrust-to-Weight Ratio
      • Thrust
      • Total Angle of Attack
      • Trajectory Equation
      • Trajectory Optimization
      • Trim Angle of Attack
      • True Anomaly
      • Tsiolkovsky Rocket Equation
      • Powered Phase Turning Process
      • Two-Body Problem
      • Coordinated Universal Time
      • Variation of Parameters
      • Velocity Frame
      • Velocity Inclination Angle
      • Vis-Viva Equation
      • Very Low Earth Orbit (VLEO)
      • Walker Constellation
      • Zero-Angle-of-Attack Reentry
    • Dynamics & math

      • A* Search Algorithm (A* Search)
      • A2PPO (Attention-Augmented Proximal Policy Optimization)
      • Action-Angle Variables
      • Backstepping Sliding Mode Control
      • Backward Stability Set
      • Bang-bang Control (Bang-bang Control)
      • Barycentric Synodic Coordinate System
      • Batch Deployment (Batch Deployment)
      • Bicircular Four-Body Problem
      • Birkhoff-Gustavson Normal Form
      • Buoyancy-weight Imbalance
      • Capture Set
      • Central Manifold
      • Chaos Effect
      • Clohessy-Wiltshire (CW) Equation
      • Co-state Normalization (Co-state Normalization)
      • Co-state Variables
      • Coasting Arc (Coasting Arc)
      • Continuation Method (Parameter Continuation)
      • Continuation
      • Cooperative Agent (CA)
      • CR3BP with Low-Thrust (CR3BP-LT)
      • Circular Restricted Three-Body Problem (CR3BP)
      • Curriculum Learning
      • Deep Deterministic Policy Gradient (DDPG)
      • Deep Reinforcement Learning
      • Detection Graph
      • Differential Correction
      • Differential Evolution (DE) Algorithm
      • Differential Games (Differential Games)
      • Direct Collocation
      • Dynamic Programming (Dynamic Programming)
      • Dynamic Target Method
      • Ephemeris Model
      • Equinoctial Orbital Elements (Equinoctial Orbital Elements)
      • Earth Restricted Three-Body Problem (ERTBP)
      • Fuel-optimal Control
      • Fuzzy Backstepping Control
      • Generalized Advantage Estimation (GAE)
      • Gaussian Process Regression
      • Geocentric Rotating Coordinate System (GRC)
      • Hamiltonian
      • Hybrid Cluster Particle Swarm Optimization (HCPSO)
      • Heteroclinic Orbit Transfer (Heteroclinic Orbit Transfer)
      • Hill Three-Body Problem
      • Homotopy Method (Homotopy Method)
      • Improved Baseline Control-Point Method (Improved Baseline Control-Point Method)
      • Impulsive Maneuver
      • Initial Value Optimization
      • Invariant Manifold (Invariant Manifold)
      • J2000 Geocentric Equatorial Coordinate System (J2000 Geocentric Equatorial Coordinate System)
      • Jacobi Constant (Jacobi Integral)
      • K-Means Clustering (K-Means Clustering)
      • K-Medoids Clustering (K-Medoids Clustering)
      • KD-Tree (KD-Tree)
      • Libration Point (Equilibrium Point)
      • Libration Point Spacecraft Body Coordinate System (Libration Point Spacecraft Body Coordinate System)
      • Libration Point Spacecraft Orbital Coordinate System (Libration Point Spacecraft Orbital Coordinate System)
      • Lindstedt-Poincare Method (Lindstedt-Poincare Method)
      • L2-centered Rotating Coordinate System (L2-centered Rotating Coordinate System, LRC)
      • LSTM Neural Network
      • Low-Thrust Transfer MDP Formulation
      • Mass Discontinuity (Mass Discontinuity)
      • Multi-Objective Monte Carlo Tree Search (MO-MCTS)
      • Modal Analysis
      • Monodromy Matrix
      • Monte Carlo Tree Search
      • Newton-Euler Equations
      • NSGA II (Non-dominated Sorting Genetic Algorithm II)
      • Pareto Optimality
      • Particle Swarm Optimization
      • Patch Point (Splicing Point)
      • Patched Method
      • Poincaré Map
      • Poincaré Section
      • Pontryagin's Maximum Principle
      • Pseudo-Arclength Continuation
      • Spacecraft Pursuit-Evasion Game
      • Q-Law Control Law
      • Quasi-Bicircular Problem (QBCP)
      • Quasi-Bicircular Four-Body Problem
      • Reachable Set
      • Reduced-Order Dynamic Equations
      • Regional Station-keeping Control
      • Regularization
      • Reinforcement Learning Enhanced Particle Swarm Optimization (RLEPSO)
      • Saddle-Point Strategy
      • Seven-node Model
      • Shooting Method
      • Six-DOF Motion Equations
      • Sliding Mode Control
      • Solar Radiation Pressure (SRP)
      • Stability Index
      • Stability Set
      • State-Dependent Traveling Salesman Problem (SDTSP)
      • State Transition Matrix (STM)
      • Static Lift
      • Strobe Map
      • Switching Function
      • Targeting Method
      • Thermo-mechanical Coupling Model
      • Thermodynamic Model
      • Two-Point Boundary Value Problem (TPBVP)
      • Trim Condition
      • Two-Dominant Invariant Manifold Method
      • Two-Level Differential Correction Method
      • Two-node Model
      • Variational Mode Decomposition
      • Zero-Effort Miss (ZEM)
      • Zero-Velocity Surface
    • Mission orbits

      • Apolune
      • Axial Orbit
      • Ballistic Capture Orbit
      • Butterfly Orbit
      • Cycler Trajectory
      • Distant Prograde Orbit (DPO)
      • DRO Constellation
      • Distant Retrograde Orbit (DRO)
      • Earth-Moon L1/L2 Halo Orbit (EML1/EML2 Halo)
      • Free-Return Trajectory
      • Full Lunar Surface Coverage Orbit
      • Halo Orbit
      • Heteroclinic Connection
      • Horseshoe Orbit
      • Hub-and-Spoke
      • Lissajous Orbit
      • Long Period Orbit
      • Low Prograde Orbit (LoPO)
      • Low-Energy Transfer Orbit
      • Low-Thrust Transfer Orbit
      • Lyapunov Orbit
      • Multi-Revolution Halo Orbit
      • Near-Rectilinear Halo Orbit (NRHO)
      • Orbit Identification
      • Orbit Keeping (Station-Keeping)
      • Parking Orbit
      • Perilune
      • Polynomial Constraint Station-Keeping
      • Primary Impulse Orbit Transfer
      • Prograde
      • Quasi-Periodic Orbit
      • Resonance Orbit
      • Retrograde
      • Short Period Orbit
      • Transfer Orbit
      • Triangular Libration Points
      • Vertical Orbit
    • Navigation & systems

      • Altitude Regulation
      • Autonomous Navigation
      • Cislunar Spatiotemporal Reference
      • Earth-Moon Hybrid Navigation
      • Extended Kalman Filter (EKF)
      • GPS Aided GEO Augmented Navigation (GAGAN)
      • Earth GNSS Weak Signal Navigation
      • Inter-Satellite Link Navigation
      • Indian Regional Navigation Satellite System (IRNSS)
      • LEO Navigation Augmentation
      • LiAISON Navigation
      • LunaNet (Lunar Network)
      • Lunar Navigation Constellation
      • Moonlight Initiative
      • Observability
      • Positioning, Navigation, and Timing (PNT)
      • Sun-Earth-Moon Autonomous Navigation
      • Tiandu-1
      • Trajectory Planning
      • X-ray Pulsar Navigation
    • Astronomy & observation

      • Astrometry
      • Background Star Elimination
      • Cislunar Moving Objects
      • Continuous Coverage (CP)
      • Earth Albedo
      • Ephemeris Correlation
      • Hot Pixel
      • Illumination Constraint
      • Image Registration
      • Image Stacking
      • Infrared Radiation
      • Lunar Glare Zone
      • Pointing Constraint
      • Quasi-zero Wind Layer
      • Segmentation Map
      • Shift-and-Add (SAA)
      • Sidereal Tracking
      • Signal-to-Noise Ratio (SNR)
      • Solar Radiation
      • Source Extraction
      • Synthetic Tracking
      • Zonal Wind
    • Military space doctrine

      • Anti-Satellite Test (ASAT)
      • Cislunar Space Situational Awareness
      • Civil-Military Integration
      • Competitive Endurance
      • Component Field Commands
      • Commander, Space Forces (COMSPACEFOR)
      • Counterspace Operations
      • Directed Energy Weapon (DEW)
      • Distributed Architecture
      • DOTMLPF-P Framework
      • Force Design
      • Force Development
      • Force Employment
      • Force Generation
      • Golden Dome
      • Kinetic Weapon
      • Mission Command
      • Mission Delta (MD)
      • Operational Test and Training Infrastructure (OTTI)
      • Persistent Detection Corridor (PDC)
      • Resilience Map
      • Resilient/Disaggregated Architecture
      • Space Domain Awareness (SDA)
      • Space Mission Task Force (SMTF)
      • Space Superiority
      • Space Force Generation Process (SPAFORGEN)
      • System Delta (SYD)
    • Organizations

      • Anduril Industries
      • Booz Allen Hamilton
      • Danuri Lunar Orbiter
      • General Dynamics Mission Systems
      • GITAI USA
      • Indian Space Research Organisation
      • Korea Aerospace Administration
      • Lockheed Martin
      • Northrop Grumman
      • Quindar
      • Raytheon Missiles & Defense
      • Sci-Tec
      • SpaceX
      • Satish Dhawan Space Centre SHAR
      • True Anomaly
      • Turion Space

LSTM Neural Network

Definition

LSTM (Long Short-Term Memory) is a specialized recurrent neural network (RNN) architecture that effectively addresses the vanishing gradient problem of traditional RNNs through gated mechanisms, excelling at processing and predicting time-series data. In the aerospace domain, LSTM is applied to orbital state prediction, sensor data anomaly detection, space weather forecasting, and other tasks requiring long-term temporal modeling.

Note: This entry is being developed.

Improve this page
Last Updated: 6/5/26, 11:01 AM
Contributors: Ou Yang Jiahong
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L2-centered Rotating Coordinate System (L2-centered Rotating Coordinate System, LRC)
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