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  1. nasa.gov
    https://ssd.jpl.nasa.gov › diagrams

    Diagrams and Charts - NASA

    These inner solar system diagrams show the positions of all numbered asteroids and all numbered comets on 2018 January 1. The orbits and positions of the planets Mercury, Venus, Earth, Mars, and …

  2. nasa.gov
    https://ssd.jpl.nasa.gov › diagrams › dist_ss.html

    Diagrams and Charts - NASA

    These outer solar system diagrams show the positions of objects with semi-major axes (a) greater than 6 au (orbital periods greater than ~15 years) on 2018 January 1.

  3. nasa.gov
    https://ssd.jpl.nasa.gov › tools › orbit_diagram.html

    Custom Orbit Visualization - NASA

    Orbit Controls ... Orbit Diagram The plot displays the specified orbit in the heliocentric ecliptic reference frame. The orbits of the planets are included for reference. The solid-dashed line represents the line …

  4. nasa.gov
    https://ssd.jpl.nasa.gov

    JPL Solar System Dynamics

    5 days ago · SSD provides information related to the orbits, physical characteristics, and discovery circumstances for most known natural bodies in our solar system.

  5. nasa.gov
    https://ssd.jpl.nasa.gov › diagrams › elem_dist.html

    Diagrams and Charts - NASA

    Shown below is the distribution of asteroids in semimajor axis, eccentricity space contained in the inner solar system. Major groups are shown in the labeled boxes and include the Hungaria, Cybele, Hilda, …

  6. nasa.gov
    https://ssd.jpl.nasa.gov › diagrams › mb_hist.html

    Diagrams and Charts - NASA

    Diagrams and Charts Inner Solar System Outer Solar System Distant Solar System Main-Belt Distribution Asteroid Elements Distribution Comet and Asteroid Elements Distribution

  7. nasa.gov
    https://ssd.jpl.nasa.gov › tools › orbit_viewer.html

    Orbit Viewer - NASA

    The coordinate system uses the J2000 ecliptic as the reference plane and places the origin at the solar system barycenter. The horizontal axis is directed toward the J2000 vernal equinox, while the vertical …

  8. nasa.gov
    https://ssd.jpl.nasa.gov › sb

    Small Bodies - NASA

    This usually means all asteroids and comets, but can also include dwarf planets (e.g., Ceres) as small bodies. The IAU defines a slighly different term “Small Solar System Bodies” which excludes dwarf …

  9. nasa.gov
    https://ssd.jpl.nasa.gov › faq.html

    Frequently Asked Questions (FAQs) - NASA

    This simplifies the ephemeris development process, aligns it with an updated IAU definition of solar system coordinate time (TDB) and recognizes that the mass parameter of the sun is changing with time.

  10. nasa.gov
    https://ssd.jpl.nasa.gov › horizons

    Horizons System - NASA

    The Horizons system can be accessed using email to submit batch-style input files. Instructions on how to access the email server, including a complete detailed example, is available by sending an email …