About TOI-2447 b
TOI-2447 b is a trash exoplanet. It lies about 485.9 light-years from Earth, has an equilibrium temperature near 414 K, spans roughly 9.61 Earth radii and weighs about 124.91 Earth masses.
About 9.6× the width of Earth.
Trash exoplanet 13 EP
TOI-2447 b
RA 70.9976° · Dec -31.9066° · exoplanet
Score breakdown
· 3 badgesTrash 15 pts → Common
- Confirmed exoplanet +5
- Gas giant +4
- Found by TESS +4
Total score 13
2 more points to reach Common.
Badges
- Confirmed exoplanet · +5
- Gas giant · +4
- Found by TESS · +4
Trivia
Could we get there?
- Verdict. Hopelessly far for any craft humanity can build today.
Getting there
- Aboard Voyager 1. ≈ 8.5 million years at Voyager 1's speed (17 km/s).
- Fastest probe ever. ≈ 758.7 thousand years even at the Parker Solar Probe's 192 km/s.
- At 10% light speed. ≈ 4859 years in a starship at a tenth of light speed.
- Distance. 486 light-years from Earth.
Look-back time
- Look-back time. The light you'd see left around the year 1540.
Saying hello
- Say hello. A radio message and its reply would take 972 years round-trip.
Standing on it
- A year here. A full year lasts just 69.3 Earth days.
By the numbers
- Size. About 9.6× the width of Earth.
- Volume. About 886 Earths could fit inside it.
- Mass. Roughly 125× Earth's mass — about 0.4 Jupiters.
- Your weight. You'd weigh about 1.4× your Earth weight standing here.
- Density. Less dense than water — drop it in a big enough ocean and it would float.
- Temperature. A scorching 141°C on average.
How we found it
- Discovery. Found by Transiting Exoplanet Survey Satellite (TESS) using the transit method.
Properties
- density gcc
- 0.774
- discovery facility
- Transiting Exoplanet Survey Satellite (TESS)
- discovery method
- Transit
- dist ly
- 485.93
- eccentricity
- 0.17
- eq temp k
- 414
- insolation
- 44.5933
- mass earth
- 124.9066
- name
- TOI-2447 b
- orbital period days
- 69.3368
- radius earth
- 9.6061
- sys num planets
- 1
How to see it
Like any astronomical target, TOI-2447 b 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 TOI-2447 b is a trash exoplanet
TOI-2447 b scores 13 points on Spacedle's rarity scale, which places it in the trash tier. Another 2 points would lift it into a rarer tier.
That score comes from 3 science badges — Confirmed exoplanet, Gas giant and Found by TESS — 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.