{ "_id": "6adf28c0f24dcd7a258c846a", "Package": "galisats", "Title": "Configuration of Jupiter's Four Largest Satellites", "Version": "2.2.0", "Authors@R": "person(\n\"Lech\", \"Jaszowski\",\nemail = \"lech.jaszowski@interia.pl\",\nrole = c(\"aut\", \"cre\", \"cph\"),\ncomment = c(ORCID = \"0009-0001-4748-9603\")\n)", "Description": "Calculate, plot and animate the configuration of Jupiter's\nfour largest satellites (known as Galilean satellites) for a\ngiven date and time (UTC - Coordinated Universal Time). The\ngalsat() function returns numerical values of the satellites’\npositions. x – the apparent rectangular coordinate of the\nsatellite with respect to the center of Jupiter’s disk in the\nequatorial plane in the units of Jupiter’s equatorial radius; X\nis positive toward the west, y – the apparent rectangular\ncoordinate of the satellite with respect to the center of\nJupiter’s disk from the equatorial plane in the units of\nJupiter’s equatorial radius; Y is positive toward the north.\nFor more details see Meeus (1988, ISBN 0-943396-22-0)\n\"Astronomical Formulae for Calculators\". The galsat_animate()\nfunction creates an animation of the Galilean satellites'\npositions. You provide the starting time, duration, the time\nstep between frames, and the pause between frames. The function\ndelta_t() returns the value of delta-T in units of seconds.", "License": "MIT + file LICENSE", "Encoding": "UTF-8", "Roxygen": "list(markdown = TRUE)", "RoxygenNote": "7.3.3", "URL": "https://lechjaszowski.github.io/galilean_satellites/", "Config/pak/sysreqs": "libpng-dev", "Repository": "https://lechjaszowski.r-universe.dev", "Date/Publication": "2025-09-27 07:35:20 UTC", "RemoteUrl": "https://github.com/lechjaszowski/galilean_satellites", "RemoteRef": "HEAD", "RemoteSha": "f6251e2fb4a91bc55a0182061413eb26719b2757", "NeedsCompilation": "no", "Packaged": { "Date": "2026-10-26 10:13:37 UTC", "User": "root" }, "Author": "Lech Jaszowski [aut, cre, cph] (ORCID:\n)", "Maintainer": "Lech Jaszowski ", "_user": "lechjaszowski", "_type": "src", "_file": "galisats_2.2.0.tar.gz", "_fileid": "https://r2.ropensci.org/152764ef8c20e7db200fd639f7046750f6402220faaca1077fe6fe7f4ee0bde3", "_filesize": 248589, "_sha256": "152764ef8c20e7db200fd639f7046750f6402220faaca1077fe6fe7f4ee0bde3", 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