Talk:Inclination

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[edit] Picture

Here is a tip for your article: I have just uploaded a neat and simple illustration to Wikimedia Commons that shows just the inclination. See http://commons.wikimedia.org/wiki/Image:Inclination_in_Elliptical_Orbit.png
Peo from Danish Wikipedia

I think that the illustration Peo links to is more helpful than the current illustration. The current illustration includes many parameters that are not discussed in this article (and shouldn't be discussed in this article). It might be confusing to someone new to this topic. How do other people feel about changing the image? J. Tyler 21:23, 16 January 2007 (UTC)

[edit] Terms and Usage for Inclination, Obliquity, and Axial Tilt

The pages detailing the Planets and the Planetoids (asteroids, TNO, dwarf planets) are great. The authors do great work and I appreciate all the effort and dedication they take. I do have a suggestion, however. I believe that we need some additional consistency regarding some items on the tables. A problem stems from several of the pages using inconsistent relationship reference points for the Inclination, Obliquity, and Ecliptic (earth’s orbital plane) data. In doing so, the pages need to be brought into some consistent term usage. For example:

  1. INCLINATION: The use of the item for INCLINATION, under the Orbital Characteristics table section (under the various Planet/Planetoid pages), is inconsistent. Suggestion -- INCLINATION should relate to the body's orbital plane in relation to the Earth's ecliptic (orbital) plane. If the authors use something else, then they need to specify the "from-and-to" relationship. Otherwise, the reader is open to confusion, assumption, and the need to check alternative source documents. Examples of variations-of-use that need to be specified on various Planet/Planetoid pages: Axial Tilt in relation to the Ecliptic, Body's orbital plane in relation to the Sun's equator, Body's equatorial inclination in relation to the Ecliptic).
  2. OBLIQUITY: The use of the items under the Physical Characteristics table section (on the various planet/planetoid pages) is inconsistent, as well. Some authors use the term: Axial Tilt. Others use the term: Equatorial Inclination. The ambiguous term, Inclination, is used as well. Suggestion -- OBLIQUITY should be used, and refer to the Body's equatorial inclination to its own orbital plane around the Host Star. In the case of satellites and sub-members of binary systems, the relationship can be to the Principal Subsystem Host (instead of the Host Star), but references to such should be added to the label or to the supporting text. Im addition, if the author wishes to indicate additional information on the table, that is super -- but doing so should include clarification text
Examples: The Pluto page referencing Pluto's axial tilt in relation to its orbital plane and to the Earth's Ecliptic (an unusual relationship reference for a planet’s axial tilt). Charon's relationship to Pluto (its principal. Etc.

At present, several of the Planet and Planetoid (asteroid and TNO pages) use INCLINATION and AXIL TILT as table items, without clarification as to the relationships (orbital plane, ecliptic, Sun's equator, etc.). Again, this ambiguity puts the reader in the position of having to go to secondary source documents to verify the intent and accuracy of the page data. I do not know if this is the page best suited to post these suggestions, but I will copy this under the Inclination and Obliquity sections too. Tesseract501 7 March 2007




The symbols in the picture about inclination look like a wang and boobs...lol —Preceding unsigned comment added by 58.166.65.253 (talk) 23:52, 7 October 2007 (UTC)