🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.5

Radius: 10.1

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.55 AU - 0.71 AU

Year: 339 Days

Day: 9.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 96,347,904 km

• M1: 125,662 km (0.114 R)
• M2: 468,840 km (0.1 R)
• M3: 809,324 km (0.109 R)
• M4: 1,287,140 km (0.092 R)
• M5: 1,679,386 km (0.097 R)
• M6: 2,602,554 km (0.067 R)
• M7: 2,955,456 km (0.103 R)
• M8: 3,317,482 km (0.115 R)
• M9: 3,987,232 km (0.081 R)
• M10: 4,444,702 km (0.026 R)
• M11: 5,012,576 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.3

Radius: 10

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.38 AU - 4.14 AU

Year: 4945 Days

Day: 13.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 96,347,904 km

• M1: 165,156 km (0.12 R)
• M2: 484,847 km (0.091 R)
• M3: 908,059 km (0.12 R)
• M4: 1,719,478 km (0.116 R)
• M5: 2,880,806 km (0.061 R)
• M6: 3,869,349 km (0.117 R)
• M7: 9,093,007 km (0.067 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.7

Radius: 4.8

Gravity: 18.91 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6.31 AU - 8.35 AU

Year: 13460 Days

Day: 22 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 96,347,904 km

• M1: 59,690 km (0.095 R)
• M2: 209,587 km (0.091 R)
• M3: 1,025,793 km (0.068 R)
• M4: 1,847,085 km (0.087 R)
• M5: 2,460,586 km (0.086 R)
• M6: 2,857,619 km (0.057 R)
• M7: 3,858,727 km (0.104 R)
• M8: 5,237,721 km (0.051 R)
• M9: 7,281,377 km (0.05 R)
• M10: 8,229,828 km (0.062 R)
• M11: 15,021,272 km (0.052 R)
• M12: 15,565,210 km (0.112 R)
• M13: 18,872,519 km (0.083 R)
• M14: 24,247,421 km (0.031 R)
• M15: 33,916,530 km (0.089 R)
• M16: 42,418,476 km (0.066 R)
• M17: 43,503,360 km (0.073 R)
• M18: 44,606,644 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.3

Radius: 5.9

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.9 AU - 10.44 AU

Year: 20395 Days

Day: 22.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 96,347,904 km

• M1: 75,248 km (0.084 R)
• M2: 691,591 km (0.12 R)
• M3: 966,103 km (0.119 R)
• M4: 1,231,041 km (0.089 R)
• M5: 1,980,975 km (0.09 R)
• M6: 3,878,325 km (0.106 R)
• M7: 4,145,207 km (0.077 R)
• M8: 7,126,843 km (0.097 R)
• M9: 9,440,374 km (0.032 R)
• M10: 10,033,529 km (0.102 R)
• M11: 10,708,664 km (0.079 R)
• M12: 11,175,111 km (0.1 R)
• M13: 16,689,288 km (0.115 R)
• M14: 18,203,817 km (0.074 R)
• M15: 19,634,571 km (0.092 R)
• M16: 26,109,316 km (0.067 R)
• M17: 28,144,147 km (0.09 R)
• M18: 28,919,662 km (0.068 R)
• M19: 37,475,463 km (0.114 R)
• M20: 49,952,075 km (0.114 R)
• M21: 51,415,741 km (0.099 R)
• M22: 51,744,856 km (0.102 R)
• M23: 52,907,980 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.5

Radius: 5.6

Gravity: 31.74 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 9.6 AU - 11.74 AU

Year: 23639 Days

Day: 22.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 96,347,904 km

• M1: 69,862 km (0.08 R)
• M2: 271,520 km (0.042 R)
• M3: 650,003 km (0.072 R)
• M4: 961,316 km (0.031 R)
• M5: 1,881,642 km (0.037 R)
• M6: 2,417,801 km (0.084 R)
• M7: 2,965,778 km (0.09 R)
• M8: 4,092,399 km (0.089 R)
• M9: 4,377,084 km (0.11 R)
• M10: 5,958,334 km (0.116 R)
• M11: 6,231,499 km (0.046 R)
• M12: 7,151,825 km (0.043 R)
• M13: 8,553,857 km (0.069 R)
• M14: 9,502,307 km (0.059 R)
• M15: 15,229,961 km (0.054 R)
• M16: 16,977,713 km (0.097 R)
• M17: 18,373,012 km (0.083 R)
• M18: 18,951,956 km (0.115 R)
• M19: 22,904,631 km (0.092 R)
• M20: 24,258,492 km (0.041 R)
• M21: 24,605,259 km (0.105 R)
• M22: 26,024,943 km (0.052 R)
• M23: 26,388,167 km (0.077 R)
• M24: 28,128,439 km (0.071 R)
• M25: 29,156,475 km (0.076 R)
• M26: 29,417,374 km (0.112 R)
• M27: 36,305,608 km (0.096 R)
• M28: 42,166,853 km (0.088 R)
• M29: 44,885,644 km (0.105 R)
• M30: 48,811,691 km (0.085 R)
• M31: 49,179,552 km (0.111 R)
• M32: 50,857,741 km (0.058 R)
• M33: 55,319,497 km (0.104 R)
• M34: 57,338,171 km (0.088 R)
• M35: 59,405,464 km (0.054 R)
• M36: 71,196,469 km (0.115 R)
• M37: 77,013,133 km (0.088 R)
• M38: 88,758,062 km (0.097 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: 425 - 15,084 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit