🌌 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: 758.7

Radius: 12.5

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.78 AU - 0.8 AU

Year: 453 Days

Day: 9.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,573,133 km

• M1: 155,432 km (0.079 R)
• M2: 591,809 km (0.045 R)
• M3: 985,700 km (0.084 R)
• M4: 1,405,771 km (0.074 R)
• M5: 1,805,796 km (0.065 R)
• M6: 2,246,960 km (0.08 R)
• M7: 2,865,846 km (0.052 R)
• M8: 3,399,761 km (0.059 R)
• M9: 3,853,043 km (0.071 R)
• M10: 4,653,990 km (0.041 R)
• M11: 5,182,669 km (0.117 R)
• M12: 6,232,098 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.3

Radius: 13.5

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.01 AU - 1.23 AU

Year: 765 Days

Day: 14.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,573,133 km

• M1: 168,298 km (0.109 R)
• M2: 758,611 km (0.113 R)
• M3: 1,488,200 km (0.078 R)
• M4: 3,737,553 km (0.099 R)
• M5: 4,580,238 km (0.092 R)
• M6: 5,047,283 km (0.045 R)
• M7: 5,816,365 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.4

Radius: 9.1

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.29 AU - 2.79 AU

Year: 2614 Days

Day: 13.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,573,133 km

• M1: 114,442 km (0.107 R)
• M2: 541,395 km (0.084 R)
• M3: 858,393 km (0.118 R)
• M4: 1,410,110 km (0.105 R)
• M5: 1,871,918 km (0.118 R)
• M6: 2,208,364 km (0.104 R)
• M7: 2,865,098 km (0.109 R)
• M8: 3,521,833 km (0.059 R)
• M9: 4,605,520 km (0.069 R)
• M10: 4,908,306 km (0.097 R)
• M11: 5,317,157 km (0.092 R)
• M12: 7,042,469 km (0.109 R)
• M13: 9,078,796 km (0.088 R)
• M14: 9,591,318 km (0.094 R)
• M15: 11,091,037 km (0.101 R)
• M16: 11,440,198 km (0.072 R)
• M17: 12,119,522 km (0.048 R)
• M18: 13,558,953 km (0.106 R)
• M19: 16,622,119 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.5

Radius: 6.5

Gravity: 21.17 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.38 AU - 6.4 AU

Year: 10430 Days

Day: 20.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,573,133 km

• M1: 81,680 km (0.103 R)
• M2: 565,031 km (0.045 R)
• M3: 1,339,499 km (0.096 R)
• M4: 1,683,574 km (0.093 R)
• M5: 3,247,770 km (0.06 R)
• M6: 4,010,121 km (0.109 R)
• M7: 4,570,664 km (0.081 R)
• M8: 4,853,853 km (0.115 R)
• M9: 5,148,710 km (0.089 R)
• M10: 6,105,388 km (0.039 R)
• M11: 7,217,499 km (0.085 R)
• M12: 8,742,200 km (0.103 R)
• M13: 9,031,971 km (0.102 R)
• M14: 15,061,364 km (0.085 R)
• M15: 16,553,752 km (0.051 R)
• M16: 23,791,447 km (0.082 R)
• M17: 24,642,659 km (0.1 R)
• M18: 26,006,991 km (0.082 R)
• M19: 35,022,358 km (0.075 R)
• M20: 35,753,741 km (0.106 R)
• M21: 38,136,686 km (0.084 R)
• M22: 41,838,485 km (0.074 R)
• M23: 47,383,480 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 689.1

Radius: 7

Gravity: 14.06 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.2 AU - 7.92 AU

Year: 12112 Days

Day: 21.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,573,133 km

• M1: 87,066 km (0.066 R)
• M2: 314,455 km (0.082 R)
• M3: 556,504 km (0.112 R)
• M4: 868,864 km (0.106 R)
• M5: 1,159,533 km (0.05 R)
• M6: 3,496,252 km (0.094 R)
• M7: 4,888,410 km (0.071 R)
• M8: 5,780,163 km (0.083 R)
• M9: 6,536,679 km (0.103 R)
• M10: 11,334,283 km (0.108 R)
• M11: 15,609,640 km (0.116 R)
• M12: 16,547,918 km (0.12 R)
• M13: 21,898,735 km (0.107 R)
• M14: 26,950,804 km (0.089 R)
• M15: 29,582,680 km (0.097 R)
• M16: 38,368,712 km (0.088 R)
• M17: 40,607,145 km (0.081 R)
• M18: 45,486,878 km (0.077 R)
• M19: 47,097,748 km (0.115 R)
• M20: 50,432,733 km (0.104 R)
• M21: 53,921,954 km (0.06 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 17,242 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit