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MARTINDALE'S
CALCULATORS ON-LINE CENTER ASTROPHYSICS, ASTRONOMY & SPACE SCIENCE CALCULATORS & APPLETS BY SUBJECT |
ASTEROID EPHEMERIS GENERATOR - T. Bowell & B. Koehn, Lowell Observatory, Flagstaff, Arizona For more information see Lowell Observatory EPHEMERIS CALCULATOR - P. Hayes, U.K. VERY EXTENSIVE. Compute Ephemeris for Sun, Moon, Planets, Separation, & Bright Stars, & or Compute Monthly Ephemeris for Sun, Moon, Planets. Also includes a Co-ordinate conversion calculator. For more information see The Home Page of Peter Hayes MARS EPHEMERIS GENERATOR - M. Showalter, Planetary Rings Node, Ames Research Center, Mountain View, CA, JPL & NASA For more information see Rings Mode On-Line Tools; Planetary Rings Node or NASA's Planetary Data System
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MAGNETOSPHERE CALCULATIONS
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INTERPLANETARY MISSION APPLET - K. G. Powell, Department of Aerospace Engineering, College of Engineering, University of Michigan "This applet is an interplanetary-mission laboratory; a student can enter origin and destination planets and dates, and analyze the resulting transfer orbit." For more information see Instructional Java Applets; Java or the Department of Aerospace Engineering LIFTOFF TO SPACE EXPLORATION - Marschall Space Flight Center, NASA VERY EXTENSIVE. For more information see Liftoff, NASA
SSCWEB LOCATOR GRAPHICS, LOCATOR TABULAR & QUERY - CALCULATOR (JAVA APPLETS) - Project Direcctor: R.E. McGuire, Space Physics Data Facility, Code 602, Goddard Space Flight Center, NASA VERY VERY EXTENSIVE. "The software and associated database of SSCWeb together form a system to cast geocentric spacecraft location information into a framework of (empirical) geophysical regions and mappings of spacecraft locations along lines of the Earth's magnetic field..." For more information see Satellite Situation Center (SSCWeb) or the Space Physics Data Facility SPACECRAFT/PLOT TYPE SELECTION - INTERACTIVE - Satellite Situation Center, Space Physics Data Facility, NASA VERY EXTENSIVE. "The Locator graphics component provides the ability to plot the orbits of multiple spacecraft. In addition to orbit plots, mapped and time series plots can also be generated." For more information see the Satellite Situation Center or the Space Physics Data Facility SPACECRAFT/TIME RANGE SELECTION - INTERACTIVE - Satellite Situation Center, Space Physics Data Facility, NASA VERY EXTENSIVE. "The Locator component provides tabular information. As tabular output, the spacecraft's coordinate location can be listed in a variety of coordinate systems, as well as other location related items" For more information see the Satellite Situation Center or the Space Physics Data Facility
MOLECULAR SPECTROSCOPY - JPL Molecular Spectroscopy, Jet Propulsion Laboratory (JPL), NASA Multimedia Database (Text & Images). "...The on-line version of the catalog contains individual files for each molecular species..." Jet Propulsion Laboratory (JPL)
DISTANCE CALCULATIONS
DISTANCES TO NEARBY STARS AND THEIR MOTIONS: AN INTRODUCTORY ASTRONOMY LAB (JAVA APPLETS) - J. Stadel & L. Mendoza, Department of Astronomy, University of Washington "Astronomers derive distances to the nearest stars by a form of triangulation called stellar parallax, a most simple and direct method..." For more information see the Department of Astronomy CONSTANT PROPER-ACCELERATION CALCULATOR - P. Fraundorf, Department of Physics & Astronomy, University of Missouri, St. Louis VERY VERY EXTENSIVE. "...This single-frame approach provides students with quantitative tools for dealing with time dilation, relativistic acceleration, and even curved space-time..." For more information see One-Frame Views of Unidirectional Motion or Phil Fraundorf's Home Page COSMIC DISTANCE SCALES - INTERACTIVE - M. Masetti & K. Mukai, High Energy Astrophysics Science archive Researh Center (HEASARC), a service of the Laboratory for High-Energy Astrophysics (LHEA), Goddard Space Flight Center, NASA VERY EXTENSIVE. For more information see Education; High Energy Astrophysics Science archive Researh Center (HEASARC); Laboratory for High-Energy Astrophysics (LHEA) or the Goddard Space Flight Center SOLAR SYSTEM DISTANCE CONVERTER - CALCULATOR - Near Earth Asteroid Rendezvous, Johns Hopkins' Applied Physics Laboratory, Johns Hopkins University "Converts between km, miles, Astronomical Units, and light travel time." For more information see Site Index or Near Earth Asteroid Rendezvous THE RELATIVITY CALCULATOR - J.T. Mitchell, PHENIX Experimental Group, Relativistic Heavy Ion Collider (RHIC), Brookhaven National Laboratory (BNL) "... calculates physical properties at relativistic speeds. You input the speed of the object, its mass, length, and clock time, and the calculator will automatically calculate what the object will look like to you..." For more information see Relativistic; Jeffery Mitchell's RHIClets; Jeffery Thomas Mitchell's Home Page; PHENIX Software Page; PHENIX Experimental Group; Relativistic Heavy Ion Collider (RHIC) or the Brookhaven National Laboratory (BNL)
DYNAMICAL ASTRONOMY JAVALAB - C. Mihos, Department of Astronomy, Case Western Reserve University VERY VERY EXTENSIVE. "...Here you will find a variety of Java applets which explore the motion of planets, stars, and galaxies. Each applet comes with background information on the pertinent astrophysics, a technical description of what's being calculated, and..." For more information see Chris Mihos' Home Page or the Department of Astronomy GALACTIC CANNIBALIZATION: CANNIBAL JAVALAB - C. Mihos, Department of Astronomy, Case Western Reserve University VERY EXTENSIVE. "...Lets you explore the different processes involved in galactic cannibalization..." For more information see Current Applets; Dynamical Astronomy JavaLab; Chris Mihos' Home Page or the Department of Astronomy GALAXY CRASH - C. Mihos, Department of Astronomy, Case Western Reserve University VERY EXTENSIVE. "... allows you to model galaxy collisions on your own computer. With this applet you can study how galaxies collide and merge gravitationally and how..." For more information see Current Applets; Dynamical Astronomy JavaLab; Chris Mihos' Home Page or the Department of Astronomy MOLECULE SPEED CALCULATOR - T.J. Keefe, Department of Physics, Community College of Rhode Island, Providence, Rhode Island "Most gas particles will escape over a long peroid of time if their peak thermal speed is 20% or more of the planet's escape velocity..." For more information see Planetary Science; T.J. Keefe's Home Page or the Department of Physics STARS, NEBULAE & GALAXIES: INTERACTIVE JAVA APPLETS TO AID THE TEACHING OF ASTROPHYSICS - J. Köppen, Observatoire Astronomique de Strasbourg, France VERY VERY EXTENSIVE. "...a collection of Java applets written for teaching, creating exercises, allowing self-study and for use as small research tools..." For more information see Joachim Köppen's Home Page or the Observatoire Astronomique de Strasbourg |
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Calculators On-Line Center: Physics & Astrophysics Calculators On-Line Center ~ Home Page |