🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.46 AU - 0.66 AU

Year: 180 Days

Day: 15.6 Hours

Environment

Temp: 17 °C

Axial Tilt: 23.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 28,895,034 km

• M1: 181,163 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.51 AU - 1.99 AU

Year: 997 Days

Day: 29.2 Hours

Environment

Temp: -95 °C

Axial Tilt: 33 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720

Radius: 11.7

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.52 AU - 3.44 AU

Year: 2214 Days

Day: 12.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,895,034 km

• M1: 164,258 km (0.025 R)
• M2: 652,396 km (0.104 R)
• M3: 1,203,066 km (0.043 R)
• M4: 1,768,546 km (0.12 R)
• M5: 3,353,535 km (0.038 R)
• M6: 3,760,741 km (0.12 R)
• M7: 5,635,352 km (0.095 R)
• M8: 6,721,732 km (0.107 R)
• M9: 7,344,059 km (0.113 R)
• M10: 10,188,961 km (0.119 R)
• M11: 10,594,521 km (0.026 R)
• M12: 11,477,597 km (0.08 R)
• M13: 13,478,020 km (0.067 R)
• M14: 14,422,581 km (0.102 R)
• M15: 15,847,650 km (0.113 R)
• M16: 16,342,969 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.8

Radius: 14.6

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.32 AU - 4.72 AU

Year: 3469 Days

Day: 15 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,895,034 km

• M1: 181,761 km (0.081 R)
• M2: 807,529 km (0.117 R)
• M3: 1,500,467 km (0.061 R)
• M4: 2,152,115 km (0.101 R)
• M5: 3,056,883 km (0.072 R)
• M6: 3,792,605 km (0.107 R)
• M7: 4,735,969 km (0.048 R)
• M8: 6,129,623 km (0.084 R)
• M9: 8,485,490 km (0.038 R)
• M10: 9,304,688 km (0.119 R)
• M11: 13,072,760 km (0.059 R)
• M12: 13,588,274 km (0.115 R)
• M13: 14,461,327 km (0.084 R)
• M14: 16,807,919 km (0.115 R)
• M15: 19,038,573 km (0.077 R)
• M16: 19,580,117 km (0.066 R)
• M17: 21,074,899 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.2

Radius: 7.4

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 12.79 AU - 15.31 AU

Year: 22669 Days

Day: 22.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 28,895,034 km

• M1: 92,152 km (0.093 R)
• M2: 437,873 km (0.082 R)
• M3: 678,127 km (0.114 R)
• M4: 1,326,933 km (0.056 R)
• M5: 1,774,380 km (0.028 R)
• M6: 2,272,092 km (0.088 R)
• M7: 10,099,053 km (0.102 R)
• M8: 16,148,043 km (0.115 R)
• M9: 16,981,453 km (0.099 R)
• M10: 22,229,346 km (0.064 R)
• M11: 24,476,306 km (0.091 R)
• M12: 26,379,789 km (0.082 R)
• M13: 27,954,905 km (0.119 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: 478 - 19,194 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit