{"id":19451024,"url":"https://github.com/variar/elp2000-82b","last_synced_at":"2025-10-14T09:33:36.457Z","repository":{"id":7588611,"uuid":"8944643","full_name":"variar/elp2000-82b","owner":"variar","description":"Implementation of the ELP theory version ELP 2000-82B in C","archived":false,"fork":false,"pushed_at":"2019-09-16T09:17:00.000Z","size":841,"stargazers_count":17,"open_issues_count":0,"forks_count":6,"subscribers_count":3,"default_branch":"master","last_synced_at":"2025-07-13T15:43:12.308Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"","language":"Objective-C","has_issues":false,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/variar.png","metadata":{"files":{"readme":"README.markdown","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2013-03-22T04:06:36.000Z","updated_at":"2025-05-07T08:10:11.000Z","dependencies_parsed_at":"2022-08-30T07:01:46.035Z","dependency_job_id":null,"html_url":"https://github.com/variar/elp2000-82b","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/variar/elp2000-82b","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/variar%2Felp2000-82b","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/variar%2Felp2000-82b/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/variar%2Felp2000-82b/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/variar%2Felp2000-82b/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/variar","download_url":"https://codeload.github.com/variar/elp2000-82b/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/variar%2Felp2000-82b/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":279018631,"owners_count":26086404,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","status":"online","status_checked_at":"2025-10-14T02:00:06.444Z","response_time":60,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-11-10T16:39:54.014Z","updated_at":"2025-10-14T09:33:36.437Z","avatar_url":"https://github.com/variar.png","language":"Objective-C","funding_links":[],"categories":[],"sub_categories":[],"readme":"ELP2000-82B\n===========\n\nThis library provides functionality to compute lunar positions and thus allowing contruction of lunar ephemerides.\n\nIt is based on semi-analytical **theory ELP version ELP 2000-82B** developed by **M. Chapront-Touzé** and **J. Chapront**\nat Bureau des Longitudes, Paris, France.\n\nTo find information on the theory itself, refer to the following original papers:\n\n1. M. Chapront-Touzé and J. Chapront. The lunar ephemeris ELP 2000. Astronomy and Astrophysics, vol. 124, 1983,\n   pp. 50-62.\n2. M. Chapront-Touzé and J. Chapront. ELP 2000-85: a semi-analytical lunar ephemeris adequate for historical times.\n   Astronomy and Astrophysics, vol. 190, 1988, pp. 342-352.\n3. Lunar Solution ELP 2000-82B. Explanatory note.\n4. J. Chapront and G. Francou. The lunar theory ELP revisited. Introduction of new planetary perturbations.\n   Astronomy and Astrophysics, vol. 404, 2003, pp. 735-742.\n   \nAs well as data files found through [Vizier Catalog FTP service](http://vizier.cfa.harvard.edu/viz-bin/ftp-index?VI/79).\n\n![ELP2000-82B logo][1]\n\nThis library is implemented in C and needs be linked only against math library.\n\nProvided files contain the following functionality\n\n* **elp2000-82b** is the main file of interest. It contains routines that compute lunar positions depending on desired\n  output coordinates and reference frame. Refer to the header comments for more information.\n* **arguments** contains routines that compute arguments of the ELP theory. Among such, this file contains a routine\n  to compute mean lunar arguments (Delaunay arguments), that may come in need while performing various lunar\n  computations.\n* **series** contains auxiliary routines that compute Fourier and Poisson series of the ELP theory.\n* All other header files define arrays of coefficients of ELP theory and are of no practical use outside given library.\n\n\u003cbr /\u003e\n**If you find any errors or inconsistencies with this software, please contact me via [e-mail][2]**\n\n\u003cbr /\u003e\nSerhii Tsyba\n\n18.08.2010\u003cbr /\u003e\nHelsinki, Finland\n\n[1]: https://dl.dropbox.com/u/4936034/Referred/ELP2000-82B.png          \"ELP2000-82B logo\"\n[2]: mailto:sertsy@gmail.com                                            \"Contact e-mail\"","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fvariar%2Felp2000-82b","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fvariar%2Felp2000-82b","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fvariar%2Felp2000-82b/lists"}