🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.08 AU - 1.4 AU

Year: 517 Days

Day: 17.7 Hours

Environment

Temp: -6 °C

Axial Tilt: 6.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.29 AU - 1.29 AU

Year: 549 Days

Day: 25.6 Hours

Environment

Temp: -32 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.79 AU - 3.29 AU

Year: 1986 Days

Day: 34.3 Hours

Environment

Temp: -106 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 32,818,622 km

• M1: 32,612 km (0.063 R)
• M2: 55,202 km (0.05 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.81 AU - 4.13 AU

Year: 2422 Days

Day: 25.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.02 AU - 4.72 AU

Year: 3423 Days

Day: 12.6 Hours

Environment

Temp: -127 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,818,622 km

• M1: 1,656,048 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.9

Radius: 14.4

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.57 AU - 5.41 AU

Year: 3565 Days

Day: 10.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 32,818,622 km

• M1: 179,069 km (0.083 R)
• M2: 651,948 km (0.095 R)
• M3: 1,222,514 km (0.112 R)
• M4: 1,757,027 km (0.063 R)
• M5: 2,525,511 km (0.114 R)
• M6: 3,095,928 km (0.075 R)
• M7: 3,649,889 km (0.09 R)
• M8: 4,383,666 km (0.062 R)
• M9: 5,292,324 km (0.098 R)
• M10: 7,924,648 km (0.07 R)
• M11: 9,506,197 km (0.074 R)
• M12: 10,898,953 km (0.101 R)
• M13: 12,283,930 km (0.033 R)
• M14: 13,237,916 km (0.101 R)
• M15: 13,783,349 km (0.087 R)
• M16: 14,292,132 km (0.107 R)
• M17: 14,919,246 km (0.057 R)
• M18: 15,729,019 km (0.065 R)
• M19: 16,969,485 km (0.093 R)
• M20: 20,094,884 km (0.108 R)
• M21: 22,102,936 km (0.104 R)
• M22: 23,441,986 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.7

Radius: 8

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 6.2 AU - 8.52 AU

Year: 7482 Days

Day: 13.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,818,622 km

• M1: 99,483 km (0.096 R)
• M2: 529,576 km (0.095 R)
• M3: 914,043 km (0.115 R)
• M4: 1,307,635 km (0.09 R)
• M5: 2,209,261 km (0.094 R)
• M6: 2,811,243 km (0.088 R)
• M7: 3,650,487 km (0.119 R)
• M8: 4,363,620 km (0.059 R)
• M9: 5,907,321 km (0.105 R)
• M10: 8,241,945 km (0.072 R)
• M11: 8,797,851 km (0.106 R)
• M12: 10,616,063 km (0.077 R)
• M13: 11,035,985 km (0.108 R)
• M14: 11,909,337 km (0.071 R)
• M15: 12,985,394 km (0.112 R)
• M16: 13,683,268 km (0.071 R)
• M17: 15,212,159 km (0.108 R)
• M18: 15,686,234 km (0.029 R)
• M19: 17,423,514 km (0.115 R)
• M20: 18,538,617 km (0.112 R)
• M21: 21,645,166 km (0.114 R)
• M22: 24,111,138 km (0.059 R)
• M23: 26,758,422 km (0.072 R)
• M24: 32,330,344 km (0.083 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 13,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit