At a Glance
Celestial Size Comparison
Choose the celestial objects you’re curious about. See at a glance how their sizes and environments compare.
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Choose at least 2 and no more than 4 celestial objects.
Kepler-90 System objects
9 objectsKepler-90Star
Kepler-90 bPlanet
Kepler-90 cPlanet
Kepler-90 dPlanet
Kepler-90 ePlanet
Kepler-90 fPlanet
Kepler-90 gPlanet
Kepler-90 hPlanet
Kepler-90 iPlanet
Size Comparison
Shows objects at a scale close to their actual size ratio.
Environment Comparison
Compare the size and environment of each celestial object.
| Measurement | Kepler-90 | Kepler-90 i |
|---|---|---|
| Mean radius | 834,840 km | 8,419.1 km |
| Diameter | ≈ 1,669,680 km | ≈ 16,838.2 km |
| Spherical approximate volume | ≈ 2.437E18 km3 | ≈ 2.5E12 km3 |
| Mass | 2.386E30 kg | ≈ 1.374E25 kg |
| Mean density | ≈ 979.043 kg/m³ | ≈ 5,500 kg/m³ |
| Surface gravity | ≈ 228.507 m/s² | ≈ 12.934 m/s² |
| Escape velocity | ≈ 617.7 km/s | ≈ 14.8 km/s |
| Rotation period | NaN | NaN |
| Orbital period | NaN | 14.449 d |
| Mean temperature | 6,080 K (5,806.9°C) | 709 K (435.9°C) |
| Surface pressure | NaN | NaN |
| Orbital semi-major axis | NaN | ≈ 17,972,401.6 km |
Mean radius
- Kepler-90
- 834,840 km
- Kepler-90 i
- 8,419.1 km
Diameter
- Kepler-90
- ≈ 1,669,680 km
- Kepler-90 i
- ≈ 16,838.2 km
Spherical approximate volume
- Kepler-90
- ≈ 2.437E18 km3
- Kepler-90 i
- ≈ 2.5E12 km3
Mass
- Kepler-90
- 2.386E30 kg
- Kepler-90 i
- ≈ 1.374E25 kg
Mean density
- Kepler-90
- ≈ 979.043 kg/m³
- Kepler-90 i
- ≈ 5,500 kg/m³
Surface gravity
- Kepler-90
- ≈ 228.507 m/s²
- Kepler-90 i
- ≈ 12.934 m/s²
Escape velocity
- Kepler-90
- ≈ 617.7 km/s
- Kepler-90 i
- ≈ 14.8 km/s
Rotation period
- Kepler-90
- NaN
- Kepler-90 i
- NaN
Orbital period
- Kepler-90
- NaN
- Kepler-90 i
- 14.449 d
Mean temperature
- Kepler-90
- 6,080 K (5,806.9°C)
- Kepler-90 i
- 709 K (435.9°C)
Surface pressure
- Kepler-90
- NaN
- Kepler-90 i
- NaN
Orbital semi-major axis
- Kepler-90
- NaN
- Kepler-90 i
- ≈ 17,972,401.6 km
This comparison is based on the most reliable observational data available. Celestial information may change with new research and observations, so please treat it as a general guide rather than a definitive source.