🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.96 AU - 1.18 AU

Year: 389 Days

Day: 15.9 Hours

Environment

Temp: 83 °C

Axial Tilt: 18.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Gas Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483

Radius: 13.1

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.9 AU - 7.11 AU

Year: 6509 Days

Day: 13.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,501,668 km

• M1: 167,998 km (0.115 R)
• M2: 598,092 km (0.117 R)
• M3: 1,058,555 km (0.106 R)
• M4: 3,010,358 km (0.119 R)
• M5: 3,666,644 km (0.091 R)
• M6: 4,936,131 km (0.067 R)
• M7: 6,578,118 km (0.081 R)
• M8: 8,096,536 km (0.063 R)
• M9: 8,999,060 km (0.112 R)
• M10: 13,081,586 km (0.106 R)
• M11: 13,992,487 km (0.08 R)
• M12: 18,129,317 km (0.099 R)
• M13: 20,369,844 km (0.116 R)
• M14: 22,789,440 km (0.083 R)
• M15: 25,476,517 km (0.089 R)
• M16: 27,410,070 km (0.043 R)
• M17: 31,662,240 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.5

Radius: 10

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 7.07 AU - 8.19 AU

Year: 7407 Days

Day: 10.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,501,668 km

• M1: 131,796 km (0.045 R)
• M2: 691,292 km (0.068 R)
• M3: 1,165,068 km (0.111 R)
• M4: 1,738,477 km (0.074 R)
• M5: 2,579,217 km (0.083 R)
• M6: 4,371,549 km (0.117 R)
• M7: 5,362,934 km (0.088 R)
• M8: 5,786,745 km (0.089 R)
• M9: 7,302,321 km (0.105 R)
• M10: 9,625,426 km (0.091 R)
• M11: 10,717,191 km (0.081 R)
• M12: 13,693,890 km (0.11 R)
• M13: 17,639,235 km (0.095 R)
• M14: 19,763,674 km (0.101 R)
• M15: 25,513,767 km (0.104 R)
• M16: 26,714,440 km (0.085 R)
• M17: 32,986,330 km (0.091 R)
• M18: 34,307,429 km (0.064 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.5

Radius: 3.6

Gravity: 46.41 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 12.78 AU - 13.82 AU

Year: 17047 Days

Day: 19.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 65,501,668 km

• M1: 44,730 km (0.099 R)
• M2: 175,777 km (0.107 R)
• M3: 600,486 km (0.114 R)
• M4: 770,728 km (0.063 R)
• M5: 938,427 km (0.096 R)
• M6: 2,440,091 km (0.047 R)
• M7: 2,875,421 km (0.098 R)
• M8: 2,998,091 km (0.119 R)
• M9: 5,034,268 km (0.116 R)
• M10: 5,285,442 km (0.057 R)
• M11: 5,851,820 km (0.067 R)
• M12: 6,210,556 km (0.075 R)
• M13: 9,516,519 km (0.119 R)
• M14: 13,149,354 km (0.067 R)
• M15: 15,494,450 km (0.1 R)
• M16: 17,123,571 km (0.046 R)
• M17: 18,948,964 km (0.084 R)
• M18: 20,900,169 km (0.054 R)
• M19: 24,172,323 km (0.092 R)
• M20: 24,476,456 km (0.117 R)
• M21: 25,404,112 km (0.092 R)
• M22: 28,327,404 km (0.109 R)
• M23: 29,811,714 km (0.116 R)
• M24: 32,317,628 km (0.103 R)
• M25: 32,563,268 km (0.117 R)
• M26: 33,058,437 km (0.105 R)
• M27: 33,307,966 km (0.098 R)
• M28: 35,349,229 km (0.087 R)
• M29: 35,872,223 km (0.088 R)
• M30: 36,003,720 km (0.073 R)
• M31: 37,607,558 km (0.034 R)
• M32: 38,015,961 km (0.059 R)
• M33: 46,034,556 km (0.118 R)
• M34: 47,445,413 km (0.066 R)
• M35: 48,241,573 km (0.091 R)
• M36: 52,019,069 km (0.088 R)
• M37: 62,409,688 km (0.114 R)
• M38: 62,790,714 km (0.089 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 13,107 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit