What does it take to travel in space?
"The will to do it" - Dr. Werhner von Braun
Aerospace Companies
The Artemis Project: Private Enterprise on the Moon
Ball Aerospace & Technologies Corp.
GMV - Your Partner in High Technology
Hughes Space and Communications Company Home Page
Integral Systems, Inc. The World's Leading Supplier of Spacecraft Ground Control Systems.
Lockheed Martin Missiles & Space
Microcosm - low-cost solutions in the space technology arena
Space Imaging - Earth Information
Aerospace-related Web Sites
Aviation Week's AviationNow.com
Astronautics-related Web Sites
Astronaut Hall of Fame ~ Online!
Gunter's Space Page - Information on Launch vehicles, Satellites, Space Shuttle and Astronautics
Quest: The Magazine of Spaceflight
Space-Ship.Com - Your Internet Portal To Rockets and SpaceCraft
SpaceDaily.Com - Your Internet Space Portal
SpaceRef - Your Space Reference
The INFOGRAPHY about Astrodynamics
SpaceTravelTV.com - The Space Travel InternetOnly TV Channel
SpaceViews: The Online Publication of Space Exploration
SpaceWar.Com - Your Internet Portal To Military Space
World Spaceflight News Home Page
Universe Today - Home Page: Space Exploration News from Around the Internet
United Space Alliance Shuttle Tracking Monitor
Celestial and Orbital Mechanical Sites
Artifical Satellite Tracking and Imaging by Tristian Cools
Celestial and Orbital Mechanics Web Site
DLR - German Space Operations Center & Crew Training Center
Dundee Satellite Receiving Station
Earth Satellite Ephemeris Service
Heliocentric Trajectories for Selected Spacecraft, Planets, and Comets
The High Altitude Satellite Observers Home Page
NASA Human Space Flight (HSF) - Realtime Data
The Satellite Situation Center (SSC)
Visual Satellite Observer's Home Page (US)
Visually Observing Satellites - a collection of links by Ed Cannon
Discussion Groups
Yahoo! Clubs: Rocket Propellant Universe
Education Sites
Educational Space Simulations Project
International Space University
The Mars Project - An Educational Space Simulation of a Journey to Mars
National Association of Space Simulation Educators
The Pennsylvania Space Grant Consortium
Space Analytics Consultants' Short Courses
Welcome to SPACE.EDU - Space Studies Virtual Campus
US Air Force Academy Department of Astronautics
Facilities
Colorado Center for Astrodynamics Research
Center for Simulation of Advanced Rockets
International Space Environment Service (ISES)
Manned Space Flight - Realtime Data
NASA Institute for Advanced Concepts
National Geophysical Data Center
Photovoltaic & Space Environment Effects Branch (NASA LERC)
Solar-Terrestrial Physics Division of the National Geophysical Data Center
Welcome to the 55th Space Weather Squadron, Schriever AFB, CO
GPS
Interagency GPS Executive Board (IGEB)
Satellite Navigation Using GPS
SPACEBORNE GPS INFORMATION SITE
U.S. Coast Guard Navigation Center, GPS, DGPS, LORAN, OMEGA
Images and Movies
A Space Library (Spacecraft 3D Models for Animators)
Launch Vehicles
History of the Delta Launch Vehicle
NASA Expendable Launch Vehicles
Office of Commercial Space Transportation World Wide Web Site
Space Vehicles Directorate of the Air Force Research Laboratory
Model Rockets
Beginning Model Rocketry Home Page
Essence's Model Rocketry Reviews
Model Rockets from Apogee Components
National Association of Rocketry
Rocket Vision: Quality Model Rockets for the Rocketry Enthusiast
The Stuckman's Model Rocketry Site
Superstition Spacemodeling Society Website
Tripoli, Rocketry Association Inc.
Welcome to the NEW Yank Enterprises
Welcome to the Philadelphia Area Rocketry Aassociation
NASA Goddard Sites
NASA Astronomical Data Center Home Page
FDAB Lunar Prospector Home Page
International Solar-Terrestrial Physics (ISTP)
Multimission Flight Dynamics Products Center
NASA Goddard Space Flight Center Homepage
NASA Goddard Guidance, Navigation and Control Center
Flight Dynamics Analysis Branch
National Space Sciences Data Center (NDSSC)
Orbital Information Group (OIG)
Shuttle POCC Interface Facility (SPIF)
SpaceOps HomePage at NASA-GSFC
The Satellite Situation Center (SSCWeb)
NASA JPL Sites
JPL Planetary Export Ephemeris Site
MASL (Multi-mission Analysis Software Library) Home Page
Mission and Spacecraft Library
NASA Jet Propulsion Laboratory
Navigation and Ancillary Information Facility (NAIF)
Two-line Orbital Element Sets (FTP site)
NASA JSC Sites
Orbital Debris Research at JSC
NASA Marshall Sites
Organizations
AIAA Astrodynamics Technical Committee
American Astronautical Society
British Interplanetary Society
International Astronautical Federation
Society for Flight Test Engineers
Papers, Publications and Reports
Aviation Week's AviationNow.com
Celestial Mechanics and Dynamical Astronomy
NASA Technical Report Server (NTRS)
SPACETRACK REPORT NO. 3 (HTML Version)
SPACETRACK REPORT NO. 3 (PDF Version)
Simulators
Software
ARC Science Simulations Web Site
Dave Ransom Software Home Pages
GrandTour - Voyager and Giotto Space Mission Simulator
Horizon - Spacecraft Mission Analysis and Design Tool
Maris Multimedia Product - Solar System Explorer
MAnE - The Mission Analysis Environment
Michigan Aerospace Instructional Software Project - Interplanetary Mission Applet
Microsoft Space Simulator - View From A Fan
Northern Lights Software Associates
OATS (Orbit Analysis Tools Software) Home Page
PREDICT - A Satellite Tracking/Orbital Prediction Program
Piranha Interactive - Planetary Missions
Princeton Satellite Systems HomePage
SAIC: Trajectory Optimizer (Demo Version)
SOAP: Satellite Orbit Analysis Program
SatPasses - Satellite Passes Over North American Cities
SaVi, Visualization & Analysis of Satellite Constellations Software
SEDS FTP Site for Satelite Software
Shuttle, Space Flight Simulator
Starry Night - Orbital Elements
SWIFT, Solar System Integration Package