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Kepler-1606 b

Kepler-1606 · G7V host star · yellow-white Sun-like star · main sequence

[ KEPLER_1606_B.IMG ]
VIEW 1 · ON THE SURFACE
1 / 2
Artist’s impression of Kepler-1606 b: VIEW 1 · ON THE SURFACE
VIEW 1 · ON THE SURFACE · Artist’s impression. No surface has been seen.
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2,711.3 light-years from Earth
[ FACTS.DAT ]
Right ascension / declination286.378° / 43.073°J2000 / ICRS
Gravity1.15 × Earthmodelled estimate
Year196.4 days
From its star0.6421 AUabout 96.1 million km
Stars in the system1 star1 known planet in system
Stars this world orbits1 starOrbits Kepler-1606
Day and nightProbably has a day/night cycleIt likely rotates relative to its star, but its rotation period has not been measured. Heuristic: likely at ≤0.25 AU, uncertain to 0.50 AU, probably not beyond; rotation is not directly measured.
[ TEMP.EST ]MODELLED, NOT MEASURED
Host star≈5,500 Ktypical G7V · 0.90 Sun radii
No atmosphere287 K · 14°C30% reflective · heat shared
Earth-like air320 K · 47°CBaseline plus 33°C

Star temperature and orbital distance set incoming energy, but stellar size is also required. This calculation uses a typical radius for the listed spectral type, 30% reflectivity and even heat redistribution. It is not a ground-temperature forecast: air, clouds, oceans and surface reflectivity could move the result by tens to hundreds of degrees.

[ STARLIGHT.SPC ]VISIBLE LIGHT ONLY

The marker above the bar is a typical temperature for this star’s class. The line below is Earth’s Sun.

warm white-yellow

Kepler-1606 is class G7V. Like sunlight, it would look broadly white with a warm yellow cast.

Representative daytime geometry only; the star’s height in the sky changes through the day.

[ GROUND.TXT ]STILL INFERENCE

Most plausible case. The farthest world in this set, about 2,700 to 2,800 light-years, with a distance uncertainty of tens of parsecs. The star is G-type, 5422 K and 0.86 solar radii, spanning about 0.71° from 0.64 AU, and the planet receives about 1.3 times Earth’s light. The radius is 2.07 Earth radii, above the usual rocky cutoff, so a volatile envelope is the common reading and a rocky surface is the minority one. The year is 196 days, so the star should rise and set. Warm daylight, more like a cloudy mini-Neptune sky than a red-dwarf eyeball.

Dry case. Only if the envelope was lost: warm rock under a yellow-white star, little ice. The radius argues against that.

Thick-air case. The probable view. A cloudy envelope, no ground in sight, and perhaps no rocky surface to stand on.

Walking. The modelled 1.15 g assumes rock and should not be trusted if the planet is puffy. No known neighbor. The star is magnitude 15. This is the least Earth-like “walk” in the catalog because of the radius.

Based on: NASA composite; Teff 5422 K, R 0.86 Rsun, S 1.29, Rp 2.07, a 0.642 AU. Nominal radius is above the usual rocky cut.

[ ORBIT.SYS ]1 KNOWN · ALL SHOWN
100% · Above 30°

Kepler-1606 b circles Kepler-1606. Use Higher and Lower to move your viewpoint above, through and below the orbital plane, and − / + to zoom. Orbit shapes and spacing are schematic.

[ SOURCES.TXT ]

Positions, distances, and system parameters come from the NASA Exoplanet Archive composite table, queried 25 Sep 2026. GJ 273 b uses the parallax in that row, 12.4 light-years. The 45 worlds follow Bohl, Lawrence, Lowry, and Kaltenegger.