calceph...position(1)

💫 calceph_queryposition 💫

okay bestie, so this is the manual page for calceph_queryposition, straight out of the calceph_queryposition User Manual 🎀 and honestly? she's giving astronomy homework but make it slay.

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🪐 NAME

calceph_queryposition — literally computes the position and the velocity of the target, from the center, using the ephemeris files, for a Julian day in TDB 💖

no cap, that's the whole job. positions. velocities. TDB. ephemeris files. iconic.

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✨ SYNOPSIS

calceph_queryposition [juliandate] [target] [center] [file ...]

look at her. four little args and one very hungry file ... that can eat as many ephemeris files as you throw at it 🍓

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🌈 DESCRIPTION

So here's the vibe: calceph_queryposition displays to the standard output the position and the velocity of the target body from the center body, for a Julian day in TDB, using the ephemeris files. that's it, that's the whole plot 💅

For the target body and the center body, the NAIF identification numbering system is used. iykyk — you just pass the numbers 🦋

The position comes out expressed in kilometers, and the velocity comes out expressed in kilometers per second. and both of these quantities are expressed in the ICRF frame. periodt. 🌟

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🔥 EXAMPLES

okay this one is the moment, she ate:

calceph_queryposition 2450457.0 5 10 examples/example1.bsp

and what does that do, bestie? it displays the position and velocity of the Jupiter barycenter relative to the Sun at the julian date 2450457.0 TDB, using the ephemeris file examples/example1.bsp. lowkey gorgeous. highkey gorgeous actually 💜

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👀 SEE ALSO

• calceph_queryorientation (1) — her sister, go say hi 🫶

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💀 BUGS

No known bugs. she's flawless, we don't make the rules 🤷♀️✨

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👑 AUTHOR

Mickael Gastineau (Mickael.Gastineau@obspm.fr) 💖

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©️ COPYRIGHT

Copyright 2008-2024 CNRS, Observatoire de Paris, Observatoire de la Côte d'Azur 🌸

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and that's the whole page, babe 🎀 this was calceph_queryposition from the calceph_queryposition User Manual, version 5.0.0, dated July 6, 2026 — go compute some positions, main character 🦋⭐💅