Talk:Astrography

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Notes (2020)[edit]

NOTE: Despite the fact that CT Library Data and MT Library Data call Rings "Longitude" and Rays "Latitude", this is an errata item, whether recorded or not, based on how the terms are normatively used. Look at a world globe from the North Pole downward (i.e. with the pole at the center of your field of vision). The Latitude markings are the "Rings", and the Longitude markings are the "Rays". It is the same for actual Astronomical Galactic Spherical Coordinates: Latitude is ±90° N/S, Longitude spans the Galactic Plane from 000° (Coreward) to 180° (Rimward) back around to 359° (Coreward) again.

Links (2019)[edit]

  1. EXTERNAL LINK: Bryan Sycamore had an interesting question about borders, but it was buried inside a post on another topic. His query: how to do borders on a subsector / sector map. I've never seen any hard rules on this, but I came up with my own that I'd like to present for consideration.
  2. EXTERNAL LINK: Does anyone use this map generator? I like it a lot - it is in Java, but you can download the Java Portable launcher from PortableApps and run it without installing anything on your PC.
  3. EXTERNAL LINK: Generators at The Zhodani Base

- Maksim-Smelchak (talk) 09:56, 19 March 2019 (EDT)

Links (2017)[edit]

  1. EXTERNAL LINK: Galactic Directions
- Maksim-Smelchak (talk) 21:08, 2 November 2017 (EDT)

Smelchak Notes (2017)[edit]

Zorbit.

Named Astrographic Features & Locations[edit]

Please see to learn more about named astrographic locations:

Notes (2017)[edit]

Zerbit.

General Astrographic Features[edit]

The following astrogpaphic features are known to Imperial science:

Stellar Types & Features[edit]

World & System Types & Features[edit]

  • Basic World Classifications
    • Gas Planet AKA Gas Giant
    • Terrestrial Planet (Surface of solids, liquids, or mixed) AKA "Telluric Planet"
      • "Ice Ball" AKA "Snowball" (Cold)
      • "Rock Ball" (Often temperate if it has a moderate atmosphere)
      • "Fire Ball" (Hot)

Astronomical Catalogs (various)[edit]

Other Astrographic Types & Features[edit]

General Astrographic Terminology[edit]

Please see to learn more about astrographic terminology and units of measure:


Notes (2016)[edit]

Tjoneslo, are the terms clockwise and counterclockwise not used in astrography?
- Maksim-Smelchak (talk) 13:11, 16 September 2016 (EDT)
They shouldn't be. Depending upon if you are looking at the galaxy from the Galactic north or Galactic south axis spinward could either be clockwise or counterclockwise. Tjoneslo (talk) 07:49, 17 September 2016 (EDT)
OK. I get it. Some of the older Traveller books use that reference.
BTW, on the e-mail chain, I asked you about your ideas on a canon classification system.
- Maksim-Smelchak (talk) 08:18, 17 September 2016 (EDT)

Stellar Errata (2016)[edit]

External Link: Star Update Notes

  • There's an old errata list for the sec files...
  1. 1. Change all primary Ds to Vs.
  2. 2. Change all VIs to Vs.
  3. 3. Star types K5 to M9 are not available with star size IV: change star size to V.
  4. 4. Star types A, F and G are extremely rare with star sizes II and III: change star size to V.
  5. 5. Star types M4V through M9V cannot have habitable worlds: subtract 6 from the decimal classification.
  6. 6. If two or more stars in the same system are size D, change the last one to size V.
  7. 7. Unless the primary star is size II, III, or IV, change remaining companion size D stars to size V.

External Link: Kuiper Belt Glossary

Smelchak Note (2016)[edit]

Add note explaining differences between Tz and Lk codes.

Multiple World Distinction/s (2016)[edit]

This section does not belong in this article. It belongs in the Manual of Style (where is exists) because the naming convention is for the wiki articles only.
- Tjoneslo (talk) 13:54, 8 August 2016 (EDT)
It look s like SStefan did that back in 2008. Easy enough to move.
- Maksim-Smelchak (talk) 20:55, 8 August 2016 (EDT)

Check Math on Astrographic Distances Data Table (2015)[edit]

  • Would someone please check my math on the Astrographic Distances Data Table? I know I have made several mistakes, but I am not having a good head day and could use a second mind to see the simple mistakes I am missing. Please help. Thank you!
  • Maksim-Smelchak (talk) 13:15, 2 April 2015 (EDT)
  • I was lazy about the differences between an Imperial ly and a Solomani Terran ly as well. That needs to be fixed. Thanks!
  • Maksim-Smelchak (talk) 13:15, 2 April 2015 (EDT)

World Distinctions (2015)[edit]

Under the section Astrography (Imperial Science) Multiple World Distinction/s, there are two abbreviations used to identify sectors. The two letter version as noted. There isn't a complete list, but it should be under the Sectors page or one of the linked sub-pages.

  • The second is a four character (first four characters of the name) used by the Category:T5 Second Survey to note out of sector ownership and other cross border items. This also needs to be included.
  • Tjoneslo (talk) 11:02, 3 April 2015 (EDT)
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