🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.61 AU - 0.79 AU

Year: 224 Days

Day: 13.3 Hours

Environment

Temp: 118 °C

Axial Tilt: 19.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.91 AU - 1.41 AU

Year: 478 Days

Day: 13.7 Hours

Environment

Temp: -18 °C

Axial Tilt: 11.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.29 AU - 1.31 AU

Year: 568 Days

Day: 27.8 Hours

Environment

Temp: -29 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.69 AU - 2.11 AU

Year: 1003 Days

Day: 34.9 Hours

Environment

Temp: -71 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.3 AU - 4.5 AU

Year: 2949 Days

Day: 28.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.5

Radius: 10.7

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.68 AU - 5.24 AU

Year: 3606 Days

Day: 10.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,033,347 km

• M1: 133,142 km (0.07 R)
• M2: 491,429 km (0.106 R)
• M3: 853,456 km (0.115 R)
• M4: 1,434,644 km (0.072 R)
• M5: 1,860,399 km (0.089 R)
• M6: 2,335,073 km (0.115 R)
• M7: 2,730,012 km (0.028 R)
• M8: 6,030,141 km (0.104 R)
• M9: 6,707,221 km (0.038 R)
• M10: 7,723,439 km (0.104 R)
• M11: 8,324,523 km (0.036 R)
• M12: 8,839,439 km (0.119 R)
• M13: 10,219,779 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.8

Radius: 12.7

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.47 AU - 6.29 AU

Year: 4778 Days

Day: 13.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,033,347 km

• M1: 157,975 km (0.093 R)
• M2: 598,391 km (0.03 R)
• M3: 1,313,021 km (0.111 R)
• M4: 1,964,669 km (0.056 R)
• M5: 2,668,377 km (0.073 R)
• M6: 3,810,856 km (0.103 R)
• M7: 4,730,135 km (0.086 R)
• M8: 5,590,323 km (0.1 R)
• M9: 6,426,276 km (0.116 R)
• M10: 6,973,355 km (0.111 R)
• M11: 7,481,838 km (0.117 R)
• M12: 8,051,357 km (0.114 R)
• M13: 11,437,206 km (0.094 R)
• M14: 11,858,922 km (0.119 R)
• M15: 12,933,933 km (0.118 R)
• M16: 14,776,380 km (0.097 R)
• M17: 15,789,457 km (0.075 R)
• M18: 17,641,927 km (0.101 R)
• M19: 21,348,813 km (0.102 R)
• M20: 23,384,092 km (0.075 R)
• M21: 24,141,356 km (0.081 R)
• M22: 26,025,691 km (0.047 R)
• M23: 28,260,683 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 12,330 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit