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Trash star 11 EP

15Xi 2Lib

RA 224.1921° · Dec -11.4097° · star

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Score breakdown

· 2 badges
11 pts · Trash
Trash 15 pts → Common
  • Naked-eye visible +8
  • Star +3
Total score 11

4 more points to reach Common.

Badges

  • Star · +3
  • Naked-eye visible · +8

Trivia

Could we get there?

  • Verdict. Hopelessly far for any craft humanity can build today.

Getting there

  • Aboard Voyager 1. ≈ 9.6 million years at Voyager 1's speed (17 km/s).
  • Fastest probe ever. ≈ 857.3 thousand years even at the Parker Solar Probe's 192 km/s.
  • At 10% light speed. ≈ 5491 years in a starship at a tenth of light speed.
  • Distance. 549 light-years from Earth.

Look-back time

  • Look-back time. The light you'd see left around the year 1477.

Saying hello

  • Say hello. A radio message and its reply would take 1098 years round-trip.

Properties

absmag
-0.651
bv
1.491
constellation
Lib
dist ly
549.0843
mag
5.48
name
15Xi 2Lib
spect
K4III

About 15Xi 2Lib

15Xi 2Lib is a trash star. It lies about 549.1 light-years from Earth, sits in the constellation Lib, shines at apparent magnitude 5.48 and has spectral type K4III.

15Xi 2Lib is a trash star worth 11 points across 2 science badges. Explore its facts, badges and place on the sky map, then add it to your dex on Spacedle.

How to see it

Look for 15Xi 2Lib in the constellation Lib. At apparent magnitude 5.48, it can be glimpsed with the unaided eye under dark skies.

Like any astronomical target, 15Xi 2Lib is best seen from a dark site away from city lights, and when it is above the horizon depends on your latitude and the time of year. The visibility panel above works out tonight's viewing window for your saved location.

Why 15Xi 2Lib is a trash star

15Xi 2Lib scores 11 points on Spacedle's rarity scale, which places it in the trash tier. Another 4 points would lift it into a rarer tier.

That score comes from 2 science badges — Star and Naked-eye visible — each earned for a real, measurable property of the object. Rarity on Spacedle is never random: the more remarkable an object's astrophysics, the more badges it collects, the higher it scores, and the rarer it ranks.

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Sky imagery and survey data courtesy of Aladin Lite & CDS, Strasbourg. Object data from the NASA Exoplanet Archive, JPL Small-Body Database, and the ATNF Pulsar Catalogue.