🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.03 AU - 1.29 AU

Year: 463 Days

Day: 24.6 Hours

Environment

Temp: 11 °C

Axial Tilt: 28 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.08 AU - 1.42 AU

Year: 518 Days

Day: 36.5 Hours

Environment

Temp: 9 °C

Axial Tilt: 146.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.12 AU - 1.8 AU

Year: 654 Days

Day: 29.4 Hours

Environment

Temp: -47 °C

Axial Tilt: 27.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.04 AU - 3.12 AU

Year: 1537 Days

Day: 32.5 Hours

Environment

Temp: -99 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 54,175,066 km

• M1: 49,068 km (0.079 R)
• M2: 464,202 km (0.099 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.64 AU - 3.66 AU

Year: 2073 Days

Day: 34.4 Hours

Environment

Temp: -120 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.13 AU - 4.75 AU

Year: 2900 Days

Day: 35 Hours

Environment

Temp: -127 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.43 AU - 4.51 AU

Year: 3505 Days

Day: 44.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.01 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.6

Radius: 9.6

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 8.12 AU - 10.98 AU

Year: 10945 Days

Day: 6.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,175,066 km

• M1: 119,379 km (0.037 R)
• M2: 419,173 km (0.049 R)
• M3: 760,107 km (0.082 R)
• M4: 1,080,545 km (0.081 R)
• M5: 1,451,399 km (0.077 R)
• M6: 4,152,986 km (0.107 R)
• M7: 4,850,861 km (0.086 R)
• M8: 7,502,932 km (0.107 R)
• M9: 8,536,952 km (0.112 R)
• M10: 10,886,087 km (0.027 R)
• M11: 13,507,491 km (0.102 R)
• M12: 19,060,713 km (0.1 R)
• M13: 22,924,079 km (0.085 R)
• M14: 27,382,843 km (0.033 R)
• M15: 28,953,321 km (0.091 R)
• M16: 30,693,743 km (0.105 R)
• M17: 31,816,326 km (0.059 R)
• M18: 36,208,519 km (0.108 R)
• M19: 37,842,876 km (0.039 R)
• M20: 43,739,874 km (0.049 R)
• M21: 45,160,605 km (0.096 R)
• M22: 47,646,174 km (0.061 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 14,536 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit