🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.4

Radius: 14.9

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.74 AU - 0.84 AU

Year: 485 Days

Day: 10 Hours

Environment

Temp: -159 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,590,303 km

• M1: 185,352 km (0.117 R)
• M2: 672,592 km (0.108 R)
• M3: 1,192,594 km (0.079 R)
• M4: 1,780,963 km (0.071 R)
• M5: 2,354,670 km (0.065 R)
• M6: 2,889,184 km (0.046 R)
• M7: 3,372,534 km (0.099 R)
• M8: 4,111,249 km (0.098 R)
• M9: 4,608,063 km (0.069 R)
• M10: 5,192,841 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.6

Radius: 13.2

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.68 AU - 1.1 AU

Year: 580 Days

Day: 5.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,590,303 km

• M1: 164,258 km (0.118 R)
• M2: 652,396 km (0.102 R)
• M3: 1,070,822 km (0.065 R)
• M4: 2,018,374 km (0.062 R)
• M5: 2,500,678 km (0.059 R)
• M6: 3,334,985 km (0.12 R)
• M7: 3,909,441 km (0.055 R)
• M8: 4,375,887 km (0.097 R)
• M9: 5,130,010 km (0.096 R)
• M10: 5,656,894 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.2

Radius: 9.2

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.6 AU - 1.88 AU

Year: 1584 Days

Day: 9 Hours

Environment

Temp: -196 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,590,303 km

• M1: 114,442 km (0.064 R)
• M2: 415,134 km (0.111 R)
• M3: 803,191 km (0.06 R)
• M4: 2,089,284 km (0.106 R)
• M5: 3,316,136 km (0.107 R)
• M6: 4,069,810 km (0.097 R)
• M7: 5,144,820 km (0.036 R)
• M8: 5,855,410 km (0.118 R)
• M9: 7,379,214 km (0.077 R)
• M10: 7,727,328 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.8

Radius: 6.8

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 6.46 AU - 10.24 AU

Year: 16655 Days

Day: 22.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,590,303 km

• M1: 87,066 km (0.081 R)
• M2: 618,737 km (0.109 R)
• M3: 1,319,902 km (0.068 R)
• M4: 1,820,905 km (0.067 R)
• M5: 2,061,159 km (0.063 R)
• M6: 4,727,592 km (0.091 R)
• M7: 6,074,870 km (0.035 R)
• M8: 6,897,808 km (0.053 R)
• M9: 9,402,525 km (0.082 R)
• M10: 13,584,235 km (0.076 R)
• M11: 13,974,835 km (0.114 R)
• M12: 16,699,012 km (0.035 R)
• M13: 20,513,608 km (0.055 R)
• M14: 21,550,770 km (0.116 R)
• M15: 21,992,981 km (0.074 R)
• M16: 37,355,486 km (0.058 R)
• M17: 40,619,263 km (0.093 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 13,829 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit