NOTICE TO USERS
Commander, Naval Meteorology and Oceanography Command is consolidating the command's web presence in accordance with Department of Defense (DoD) and Navy guidance. The U.S. Naval Oceanography portal will be the single access point for all public facing Meteorology and Oceanography products and services. This publicly-accessible portal is currently online at http://www.usno.navy.mil and is being populated. In the near future, non-DoD users will be redirected to this portal.
DoD customers can access all operational data, products and services via the NIPRnet Naval Oceanography Portal site at https://oceanography.navy.mil (CAC required).
- Complete Sun and Moon Data for One Day
- Table of Sunrise/Sunset, Moonrise/Moonset, or Twilight Times for an Entire Year
- Rise/Set/Transit Times for Major Solar System Objects and Bright Stars
- Duration of Daylight/Darkness Table for One Year
- Eclipses of the Sun and Moon
- Solar Eclipse Computer
Computes circumstances for selected solar eclipses at any given location. - Lunar Eclipse Computer
Computes circumstances for selected lunar eclipses at any given location. - Recent and Upcoming Transits of Mercury and Venus
- Transit Computer
Computes circumstances for selected transits of Mercury and Venus at any given location.
- Altitude and Azimuth of the Sun or Moon During One Day
- Topocentric Configuration of Major Solar System
Bodies
Provides tables of low precision topocentric position data for the Sun, Moon, and major planets. - Geocentric Positions of Major Solar System
Objects and Bright Stars
Provides high precision geocentric position data for the Sun, Moon, major planets and selected bright stars. - Topocentric Positions of Major Solar System
Objects and Bright Stars
Provides high precision topocentric position data for the Sun, Moon, major planets and selected bright stars.
- Day and Night Across the Earth
Creates synthetic views of the Earth's surface (in grayscale or color) for any date and time. - Apparent Disk of Solar System Object
Creates a synthetic image of the telescopic appearance of the Moon or other solar system object for specified date and time.
- Earth's Seasons - Equinoxes, Solstices, Perihelion,and Aphelion 2000-2020
- Spring Phenomena, 25 BCE to 38 CE
- Julian Date Conversion
- Celestial Navigation Data
Provides computed altitudes and azimuths and other data for an assumed position and time. - Navigational Star Chart
- Astronomical Almanac Online
Provides complementary data to the printed Astronomical Almanac. - International Celestial Reference System (ICRS) - Important Links
- Occultations of Stars by Asteroids (International Occultation Timing Association)
