User:Rfassbind/LOMP revision

This is the personal project page on all amendments made on the List of minor planets (LOMP) and its 450+ partial lists.

Link revision (on designations)
Link-revision is a set of first changes to clean-up the 470+ partial lists (or their corresponding, then still-existing subpages), including a syntax revision, the removal of self-redirects on items in column "Designation" (which are the linked "Minor planet object articles", for short: MPOAs), the removal of redlinks on MPOAs, as well as a spell-check (e.g. diacritics) on the subset of named minor planets in the list.

Edit comment:

Syntax-revision
Done and finished in November 2015. Removal of dashes, outdated templates, custom anchors, custom references, vandalism, inconsistencies with usage of subpages.

Self-redirects
Link-revision's primary goal is to remove SELF-REDIRECTS from the List of minor planets using an external online app, which adds or removes links on minor planets depending on whether or not an existing article is redirected to this list (By default named minor planets are linked, unless redirected, producing a redlink for non-existing articles, while still provisionally designated minor planets are never linked unless an article actually exists). The online-app also updates a minor planet's provisional designation to its final designation when being named, based on MPC's Discovery Circumstances: Numbered Minor Planets y–y (example) with its diacritical names (mostly correct and mostly updated within days after a Minor Planet Circular, "M.P.C." has been released). Per run, the app verifies for 10 x 100 entries (full content of a partial list with up to a thousand entries). The List of minor planets can be easily updated by copy/pasting the generated wiki-source code.

Removal of redlinks on unnamed bodies
Link-revision removes redlinks on all entries with a provisional designation. While redlinks for named bodies in the List of minor planets are welcomed (as they indicate, that neither a proper article, nor a #REDIRECT to one of the many list-pages exist), it is not feasible for several reasons to have redlinks for unnamed, bodies with a provisional designation. If a numbered minor planet with a provisional designation is notable, an article should be created and a link added to the list. Otherwise such list-entries remain unlinked by default.

Name check
The app extension verifies minor planet names, with focus on diacritics. The List of minor planets may or may not contain an inappropriate name. The list is compared to the Minor Planet Center's "NumberedMPs-list" containing 5,000 entries per page (see corresponding links in table header below).
 * MPC list was last updated on 28 December 2015
 * Comparison was executed on 3 February 2016

Range 1–5000

 * List continues here up to number 200,000

Merger of subpages and layout revision
Merging 10 × 100 → 1000 items from undesired subpages into main partial lists. The first 200 pages in List of minor planets were using subpages (each page of 1000 items was composed of 10 subpages containing 100 items). Since subpages are deprecated and the pages of List of minor planets above #200,000 do not use subpages anymore, this task created consistency and compliance with wiki guidelines at the same time. A web-app was used for merging 2,000 subpages into 200 main list-pages. The merger also included a layout revision (table headers, article footer).

Completing partial list with missing bodies
This task completes the partial lists of minor planets (pLOMP) so that it should contain 1,000 bodies. The revision uses MPC's 5k list (listed in External link section) as a source. Detailed task description:
 * edit comment example:
 * adding missing minor planets to list, lowest pLOMP was 218001–21900 (edit)
 * remove duplicated (redundant mpc number) and/or misplaced minor planets, which lie outside the list's number range (exmpl. edit)
 * sort list in numerical order, (exmpl. edit)
 * amend for consistent table syntax and vertical spacing
 * update footer if needed
 * optional tag in edit comment
 * fix  if number diverges from column "Designations" > "Permanent" (exmpl. edit)
 * custom edit-comment

Since March 2017, this task includes the colorization of table rows, previously done in a separate edit. For a detailed description of the used colors and orbital criteria, see task: .

Remarks

 * existing records were reused and remained unchanged (unless duplicates or misplaced)
 * no links on discovery site and discoverers were added. These tasks are performed later (see section below)
 * an asterisk (*) in the site column (identifies which set of the rules has been used to determine a body's discoverer) is irrelevant for the catalog on wikipedia and is removed (or will later be removed on follow-up revisions)
 * pages that already contained 1000 (or more!) minor planets (MPs) were ignored by this task. This means that pages which number of missing MPs is smaller than the number of redundant or misplaced MP still need to be revised.

Revision on column "Discoverers"
The colum "Discoverer(s)" is being amended for all partial LOMPs. Details of revision:
 * data source: MPC-Discovery Circumstances (and all subsequent partial 5k-lists)
 * the mapping of (abbreviated) MPC-discoverer names to article names (or redirects) on wikipedia is done by reading out the current version of List of minor planet discoverers, serving as a mapping table.
 * update discoverers to Minor Planet Center's current publication, as per July 2016
 * no more discoverer-redlinks in LOMP table due to a complete listing in List of minor planet discoverers, where all discoverers for whom no article exists are redirected to their corresponding table row (astronomers only; links to discovering observatories/surveys will be made to List of observatory codes, which will serve as base table for this type of redirect).
 * revise piped aliases (Obs. Stn., diacritics, abbrev. middle names) based on "label"-info in List of minor planet discoverers
 * usage of identical discoverer names on all partial lists
 * rearange order for multiple discoverers, according to MPC listing
 * reduce number of links on discoverers by comparing each single discoverer, instead of entire discoverer string (containing n-discoverers) to previous table row
 * revise links in table headers, on cells:
 * "Discoverer(s)" → List of minor planet discoverers obsolete: new (Tom's edit)
 * " Site" → List of observatory codes (list to be revised) obsolete: new (Tom's edit)
 * Revise page footer for partial lists above number 200,000, and make them consistent with all other partial lists below that number. Pages above 200,000 were not revised by the subpage merger of 10×100→1000 (as they had no subpages). See details here.

Revision on column "Discovery site"

 * using IAU codes as basis

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Orbital classification by background-color
The tables in the partial minor planet lists (pLOMPs) have been colorized. Each table row, which contains an entry for a numbered minor planet, received a background-color based on the body's orbital classification.


 * Edit-comment


 * Discussion at WT:AST
 * WT:AST


 * Documentation
 * a legend for the employed colors will be displayed in the header of each partial list. See:


 * Data source

The colorization is based on the data found in "Numbered Asteroids (50 MB)", an ASCII text-file from JPL's Small-Body Orbital Elements page. The data file was completed for Q and q as follows:
 * perihelion: q=a(1-e)
 * aphelion:  Q=a(1+e)


 * Orbital classification

The orbital classification largely follows JPL's conventions (see definitions below), except for the boundary of inner/outer main-belt asteroids which are grouped by the two major Kirkwood gaps (a at 2.5 and 2.82 AU, instead of JPL's 2.0 and 3.2 AU). Also the Apollo, Amor, Aten and Atira groups have no distinct color and are displayed with one color as NEOs.
 * MCAs Asteroids that cross the orbit of Mars constrained by (1.3 AU < q < 1.666 AU; a < 3.2 AU).
 * JTs Asteroids trapped in Jupiter's L4/L5 Lagrange points (4.6 AU < a < 5.5 AU; e < 0.3).
 * CEN Objects with orbits between Jupiter and Neptune (5.5 AU < a < 30.1 AU)
 * TNO Objects with orbits outside Neptune (a > 30.1 AU).
 * MBA (middle) Asteroids with orbital elements constrained by (2.0 AU < a < 3.2 AU; q > 1.666 AU).
 * MBA (inner) Asteroids with orbital elements constrained by (a < 2.0 AU; q > 1.666 AU)
 * MBA (outer) Asteroids with orbital elements constrained by (3.2 AU < a < 4.6 AU)
 * APO Near-Earth asteroid orbits which cross the Earth's orbit similar to that of 1862 Apollo (a > 1.0 AU; q < 1.017 AU).
 * ATE Near-Earth asteroid orbits similar to that of 2062 Aten (a < 1.0 AU; Q > 0.983 AU).
 * AMO Near-Earth asteroid orbits similar to that of 1221 Amor (1.017 AU < q < 1.3 AU).
 * ATI	An asteroid orbit contained entirely within the orbit of the Earth (Q < 0.983 AU). Also known as an Interior Earth Object.


 * Color scheme tests

Some of the first preliminary designs were made as early as September 2015 and may be superseded by.

2019 make "meaning" link more prominent

 * Current status at

As of January 2019, and based on 3 years of observing and correcting numerous unfortunate edits, that tried to partially link a minor planet designation to the article of the person the object was named after, I came to the conclusion that the "meanings"-link in the tables last column needs to be more prominent. It is now displayed as the third column of the table. Also, instead of the objects number, the actual name is displayed. A newly added in the Ref-column is now shown in place of the previous meanings-link. Further changes:
 * "C. J. van Houten, I. van Houten-Groeneveld, T. Gehrels" to PLS (not in example)
 * Combine and  into one  (not in example)
 * Revise header template (adopted)

Mock-up example below:

Modification
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