Star with planets
Kepler-444
Also KOI-3158
An ancient star with five small planets, each between Mercury and Venus in size, formed when the Universe was under 20% of its present age.
Measured
- Distance
- 119 light-years
- Constellation
- Lyra
- Position (J2000)
- RA 19h 19m 00s, Dec +41.63°
How far, from the Sun
119 light-years. To cross it:
- Light119 years
- Voyager 1's speed2.12 million years
- Driving at 100 km/h1.29 billion years
Voyager 1 at the speed it moved outward over the year to 2026-10-25 (JPL Horizons). Driving: nonstop, never refuelling.
Facts
- The star is about 11 billion years old, more than twice the Sun's age.
- Its distance comes from a Gaia parallax: the tiny yearly shift in its position as the Earth circles the Sun.
Where this comes from
- Gaia DR3 parallax 27.3578 ± 0.0125 mas, Gaia DR3 2101486923385239808 (Gaia Collaboration 2023, A&A 674, A1)
- This research has made use of the SIMBAD database, CDS, Strasbourg, France (Wenger et al. 2000, A&AS 143, 9).
- This research has made use of the VizieR catalogue access tool, CDS, Strasbourg, France (DOI: 10.26093/cds/vizier).
Every catalogue Ouranos draws is credited on the credits page.