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Thread: List of Earth-like worlds, v2

  1. #1486
    Here's a major addition to the sheet that I've recently been working on, with some help from MattG: rarity scores! These show how rare a given Earth-like is compared to the rest of the list, not their numbers in the galaxy. (We don't have nearly enough data for that.) This means that the scores are also dynamic, so expect them to change as new entries are added to the list. Also, the score goes up till 100, and a higher numbers are better: the higher it is, the more rare it is on the list.


    For a bit more details on how the score is calculated:
    the score itself is based on a number of factors. These are:
    - Main star type
    - Star types that the ELW is orbiting
    - Number of stars the ELW is orbiting
    - Rings
    - Number of moons around the Earth-like
    - Whether an Earth-like is a moon
    - Binary / trinary pairs

    You can see how exactly these are calculated on the "Rarity" sheet, where the calculations are done. Almost everything is weighed equally, so they are of equal importance, with the exception of main star types and the orbiting star(s) type: we take the square root of their rarities. That one's to take care of cases where an ELW co-orbits the main star of a system. (Theoretically, it would have been better to include logical checks for this, but this numerical solution that Matt suggested is cleaner and more efficient than that while still being a pretty good approximation.)

    As for the factors, you might notice that some are absent. Only star types are counted, and not their luminosities. This is mostly because factoring in those would lead to rather big discrepancies in rarities. System mass codes also aren't counted, because they are mostly present in the star types anyway: rare mass codes involve stars which are already rare.
    For those rare cases where we don't know whether a submitted ELW has moons or rings (because of lower quality screenshots where they aren't visible), we assume they don't.


    Currently, the holder of the highest rarity score is Crookoa ZY-R d4-930 ABCD 1 f, discovered by CMDR GreyAreaUK. Right on, Commander! That one's a ringed ELM orbiting a dwarf star that's co-orbiting four stars. (The cherry on top would be that it also has enough argon in its atmosphere to have ice in its surface composition, and is tidally locked to boot. But OCR data isn't used in the rarity score yet.)

    Also, I've included some personal FD rarity score stats on the Contributors sheet. I'll probably add more, but I'll need to do some cleaning up first.

    Thanks for reading, and have fun!

  2. #1487
    Originally Posted by marx View Post (Source)
    Here's a major addition to the sheet that I've recently been working on, with some help from MattG: rarity scores! These show how rare a given Earth-like is compared to the rest of the list, not their numbers in the galaxy. (We don't have nearly enough data for that.) This means that the scores are also dynamic, so expect them to change as new entries are added to the list. Also, the score goes up till 100, and a higher numbers are better: the higher it is, the more rare it is on the list.


    For a bit more details on how the score is calculated:
    the score itself is based on a number of factors. These are:
    - Main star type
    - Star types that the ELW is orbiting
    - Number of stars the ELW is orbiting
    - Rings
    - Number of moons around the Earth-like
    - Whether an Earth-like is a moon
    - Binary / trinary pairs

    You can see how exactly these are calculated on the "Rarity" sheet, where the calculations are done. Almost everything is weighed equally, so they are of equal importance, with the exception of main star types and the orbiting star(s) type: we take the square root of their rarities. That one's to take care of cases where an ELW co-orbits the main star of a system. (Theoretically, it would have been better to include logical checks for this, but this numerical solution that Matt suggested is cleaner and more efficient than that while still being a pretty good approximation.)

    As for the factors, you might notice that some are absent. Only star types are counted, and not their luminosities. This is mostly because factoring in those would lead to rather big discrepancies in rarities. System mass codes also aren't counted, because they are mostly present in the star types anyway: rare mass codes involve stars which are already rare.
    For those rare cases where we don't know whether a submitted ELW has moons or rings (because of lower quality screenshots where they aren't visible), we assume they don't.


    Currently, the holder of the highest rarity score is Crookoa ZY-R d4-930 ABCD 1 f, discovered by CMDR GreyAreaUK. Right on, Commander! That one's a ringed ELM orbiting a dwarf star that's co-orbiting four stars. (The cherry on top would be that it also has enough argon in its atmosphere to have ice in its surface composition, and is tidally locked to boot. But OCR data isn't used in the rarity score yet.)

    Also, I've included some personal FD rarity score stats on the Contributors sheet. I'll probably add more, but I'll need to do some cleaning up first.

    Thanks for reading, and have fun!
    Can't rep you, but it's a great addition

    And grats CMDR GreyAreaUK. I guess I'm off to find binary ringed ELWs that are also moons of something whilst each having 2 of their own moons, and that orbit 5 stars... *cough*

  3. #1488
    Thought I'd send this one in separately and the rest when I finish my trip. But we met up to do this.

    [IMG][/IMG]

  4. #1489
    Originally Posted by jimbeau1571 View Post (Source)
    Thought I'd send this one in separately and the rest when I finish my trip. But we met up to do this.

    http://<a href="http://imgur.com/4jZ...Ln.jpg</a></a>
    Congratulations on the triple tag on an ELW. I tried the same but it only tagged with 1 commanders name

    Have a few double tags on ELW's though (over 100)

    - - - Updated - - -

    Originally Posted by marx View Post (Source)
    Here's a major addition to the sheet that I've recently been working on, with some help from MattG: rarity scores! These show how rare a given Earth-like is compared to the rest of the list, not their numbers in the galaxy. (We don't have nearly enough data for that.) This means that the scores are also dynamic, so expect them to change as new entries are added to the list. Also, the score goes up till 100, and a higher numbers are better: the higher it is, the more rare it is on the list.


    For a bit more details on how the score is calculated:
    the score itself is based on a number of factors. These are:
    - Main star type
    - Star types that the ELW is orbiting
    - Number of stars the ELW is orbiting
    - Rings
    - Number of moons around the Earth-like
    - Whether an Earth-like is a moon
    - Binary / trinary pairs

    You can see how exactly these are calculated on the "Rarity" sheet, where the calculations are done. Almost everything is weighed equally, so they are of equal importance, with the exception of main star types and the orbiting star(s) type: we take the square root of their rarities. That one's to take care of cases where an ELW co-orbits the main star of a system. (Theoretically, it would have been better to include logical checks for this, but this numerical solution that Matt suggested is cleaner and more efficient than that while still being a pretty good approximation.)

    As for the factors, you might notice that some are absent. Only star types are counted, and not their luminosities. This is mostly because factoring in those would lead to rather big discrepancies in rarities. System mass codes also aren't counted, because they are mostly present in the star types anyway: rare mass codes involve stars which are already rare.
    For those rare cases where we don't know whether a submitted ELW has moons or rings (because of lower quality screenshots where they aren't visible), we assume they don't.


    Currently, the holder of the highest rarity score is Crookoa ZY-R d4-930 ABCD 1 f, discovered by CMDR GreyAreaUK. Right on, Commander! That one's a ringed ELM orbiting a dwarf star that's co-orbiting four stars. (The cherry on top would be that it also has enough argon in its atmosphere to have ice in its surface composition, and is tidally locked to boot. But OCR data isn't used in the rarity score yet.)

    Also, I've included some personal FD rarity score stats on the Contributors sheet. I'll probably add more, but I'll need to do some cleaning up first.

    Thanks for reading, and have fun!
    Brilliant work Marx and Matt G

  5. #1490
    Originally Posted by marx View Post (Source)
    @ thadius856: first off, thanks for the missing coordinates, and the missing systems!
    Also, yeah, the missing columns of the "First star" and "ELW is orbiting" are deliberate. They can be created from the supplied info already, and the less fields I ask people to fill out when they submit the better. Of course, I'd be grateful if you added them to your submissions, as that still saves me a bit of time.

    From your latest submission, could you re-upload the screenshot for SYNUEFE LE-Y B34-0? Looks like you accidentally put an EDD screenshot there.
    Apologies.

    SYNUEFE LE-Y B34-0
    http://puu.sh/trbi8/20173a5ee9.png

    Original post updated.

  6. #1491
    I have some ELWs to submit, but I'm not sure how to get the "Distance from Sol".

    I'm currently 50KLY from Sol, so can't just pop over to Sol and find out.

    Is there any tools for finding out this info ?
    Or is the only way to be sitting at Sol and just checking the Galaxy Map ?

  7. #1492
    Originally Posted by mpfj View Post (Source)
    I have some ELWs to submit, but I'm not sure how to get the "Distance from Sol".

    I'm currently 50KLY from Sol, so can't just pop over to Sol and find out.

    Is there any tools for finding out this info ?
    Or is the only way to be sitting at Sol and just checking the Galaxy Map ?
    Yes as far as I'm aware the only way is to be at Sol, which is where I'm at right now.

    How many do you have to submit?

    If you pm me the system names I will pm you back the distances when I get home from work at around 6.00 pm GMT/ game time.

  8. #1493
    Originally Posted by mpfj View Post (Source)
    I have some ELWs to submit, but I'm not sure how to get the "Distance from Sol".

    I'm currently 50KLY from Sol, so can't just pop over to Sol and find out.

    Is there any tools for finding out this info ?
    Or is the only way to be sitting at Sol and just checking the Galaxy Map ?
    Do you have the co-ordinates? If so it's easy to calculate. And unless you scanned them pre-Journal (2.2?), you have the co-ordinates somewhere - I think most people use Captain's Log or EDDI(?). Or anything that uploads to EDSM even.

  9. #1494
    Originally Posted by mpfj View Post (Source)
    I have some ELWs to submit, but I'm not sure how to get the "Distance from Sol".

    I'm currently 50KLY from Sol, so can't just pop over to Sol and find out.

    Is there any tools for finding out this info ?
    Or is the only way to be sitting at Sol and just checking the Galaxy Map ?
    You can also use a formula in Excel. This will give you accurate distances, depending on how accurate you enter the co-ordinates.

    or

    you can try out this site http://www.calculatorsoup.com/calcul...two-points.php

  10. #1495
    Yeah, the Journal was added in 2.2, but since 2.0 the game stores the coordinates of systems you've jumped into in the log files. If you have those, you can use third-party programs to look up coordinates, automatically calculate distances to Sol, and also to submit systems to EDSM, and with some, the Journal info from scans to EDDN too. Personally, I use EDDiscovery.
    This comes up fairly frequently these days, so I think I'll make a FAQ.

  11. #1496
    First batch from Sol -> Colonia trip

    System name Planet ID Dist. from Sol (ly) First discovered by Contributed by System star(s) type Ringed EL? Moons Screenshot URL
    Col 285 Sector BB-W c2-18 A 1 365 Natostrike Garfield Carrott G, M No No http://i.imgur.com/2gtLhMz.png
    Boewnst BY-W c16-167 A 11 17443.44 Garfield Carrott Garfield Carrott K, M No No http://i.imgur.com/7fuejVD.png
    Dryio Flyuae RK-Y c1-66 A 5 19872.96 Garfield Carrott Garfield Carrott K, M No No http://i.imgur.com/mFmzvPv.png
    Dryio Flyuae HX-K d8-296 9 A 20793.76 Garfield Carrott Garfield Carrott F No No http://i.imgur.com/y3Zvpzz.png

  12. #1497
    OK, here are my next two contributions: two worlds originally flagged as being ELWs but not having enough data for a complete list entry. They are both missing from the current list.

    System name Planet ID Dist. from Sol (ly) First discovered by Contributed by System star(s) type Ringed EL? Moons Screenshot URL
    PROOE HYPUE JD-V c5-48 8 8199.72 HAGGIS MCMOOSE SAPYX K0 VAB No 0 http://i.imgur.com/p74zSA9.png
    FLYOOE HYPUE HX-A d1-102 6 6724.10 BRO MAVERICK SAPYX G4 VAB No 1 http://i.imgur.com/IfdrFvw.png

    For the first world, the gravity's a bit high and the air a bit thin, but at least the temperature is nice and warm, just 2 degrees above Earth average. It co-orbits a life-bearing gas giant, and the high orbit gives a pleasant view of the rings of the larger neighbour.

    I mentioned the second world in my travelogue; the moon is nice, but the standout weirdness factor of this world is the 90 degree axial tilt, meaning that the entire planet is "above the arctic circle"; for a typical spot on the surface, summer might be a 250-day-long Midnight Sun, a brief few weeks of autumn, then a 250-day darkness-at-midday period. It would take some getting used to.

  13. #1498
    Originally Posted by Sapyx View Post (Source)
    OK, here are my next two contributions: two worlds originally flagged as being ELWs but not having enough data for a complete list entry. They are both missing from the current list.
    Hm, it looks like we have a problem here. These should have been on the "Errors" sheet, but apparently weren't. I'll have to check the earlier ones and see which might be missing as well. Thanks for the tip!

  14. #1499
    They are both still listed in the older version of the list; Prooe Hypue is on the "Missing SS" page, Flyooe Hypue is on the "Incomplete" page.

  15. #1500
    Here are couple of pretty mundane ones, but what is notable is that they are in a sector that previously had no submitted distances in EDSM...