Calculation of the distance of an observed object from 2 different locations with the parallax method.

Enter Lat. and Long. of the 2 observation points.

Coordinates Location #1: | |||||||
---|---|---|---|---|---|---|---|

Degrees | Minutes | Seconds | Degrees | Minutes | Seconds | ||

Lat. #1: | Long. #1: |

Coordinates Location #2: | |||||||
---|---|---|---|---|---|---|---|

Degrees | Minutes | Seconds | Degrees | Minutes | Seconds | ||

Lat. #2: | Long. #2: |

Chord between the 2 locations: | km |

Earth's mean square radius 6.373,04 km |

Insert A.R. and Decl. of the astrometric measurements of the CCD images, taken at the same time.

Astrometric (A.R. / Decl.) | Hours | Minutes | Seconds | Degrees | Minutes | Seconds | |||
---|---|---|---|---|---|---|---|---|---|

First Set of Coordinates A.R. e Decl. | |||||||||

Second Set of Coordinates A.R. e Decl. |

Risultati:

Parallax Angle (radian): | Parallax Angle (sexagesimals): | Calcolo manuale: Insert Parallax Angle (in decimals): |
Insert Chord in km: |

Converti Unità di Misura: | |||

Examples with parallax measurements extracted from GAIA (Stelle più vicine al Sole): |
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The ends of the segment indicate with extreme precision the Lat. and Long. coordinates of the 2 observation points.

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