🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.5

Radius: 8.4

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.72 AU - 1.1 AU

Year: 599 Days

Day: 10.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,354,138 km

• M1: 104,419 km (0.056 R)
• M2: 372,648 km (0.04 R)
• M3: 652,097 km (0.079 R)
• M4: 934,538 km (0.082 R)
• M5: 1,196,633 km (0.048 R)
• M6: 1,691,503 km (0.103 R)
• M7: 1,994,738 km (0.1 R)
• M8: 2,334,176 km (0.113 R)
• M9: 2,636,962 km (0.076 R)
• M10: 3,068,103 km (0.115 R)
• M11: 4,580,537 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.4

Radius: 10.5

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.28 AU - 2.04 AU

Year: 1476 Days

Day: 12.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,354,138 km

• M1: 130,599 km (0.108 R)
• M2: 545,733 km (0.08 R)
• M3: 923,168 km (0.096 R)
• M4: 1,495,380 km (0.059 R)
• M5: 2,123,392 km (0.114 R)
• M6: 2,658,354 km (0.108 R)
• M7: 3,212,016 km (0.091 R)
• M8: 4,817,949 km (0.099 R)
• M9: 5,364,879 km (0.053 R)
• M10: 6,404,734 km (0.049 R)
• M11: 7,951,127 km (0.113 R)
• M12: 8,288,021 km (0.107 R)
• M13: 8,935,331 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.1

Radius: 14

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 2.64 AU - 3 AU

Year: 3269 Days

Day: 9.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,354,138 km

• M1: 174,132 km (0.086 R)
• M2: 1,038,359 km (0.113 R)
• M3: 1,777,073 km (0.067 R)
• M4: 2,478,986 km (0.115 R)
• M5: 3,347,402 km (0.117 R)
• M6: 4,038,395 km (0.084 R)
• M7: 5,388,814 km (0.085 R)
• M8: 6,198,588 km (0.11 R)
• M9: 7,088,246 km (0.039 R)
• M10: 7,964,890 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.9

Radius: 3.9

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.45 AU - 9.51 AU

Year: 15560 Days

Day: 16.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,354,138 km

• M1: 48,470 km (0.107 R)
• M2: 181,911 km (0.079 R)
• M3: 362,176 km (0.081 R)
• M4: 645,515 km (0.062 R)
• M5: 1,002,156 km (0.114 R)
• M6: 1,318,705 km (0.113 R)
• M7: 1,798,017 km (0.095 R)
• M8: 2,091,229 km (0.113 R)
• M9: 3,257,344 km (0.105 R)
• M10: 3,530,061 km (0.037 R)
• M11: 4,301,238 km (0.09 R)
• M12: 4,824,382 km (0.088 R)
• M13: 5,769,990 km (0.052 R)
• M14: 6,053,179 km (0.099 R)
• M15: 8,372,544 km (0.099 R)
• M16: 8,995,619 km (0.066 R)
• M17: 11,530,854 km (0.117 R)
• M18: 15,455,255 km (0.06 R)
• M19: 21,434,981 km (0.055 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.7

Radius: 6.9

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.6 AU - 10.32 AU

Year: 16985 Days

Day: 22.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 74.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,354,138 km

• M1: 85,869 km (0.046 R)
• M2: 304,432 km (0.051 R)
• M3: 925,263 km (0.093 R)
• M4: 1,352,814 km (0.109 R)
• M5: 2,069,387 km (0.092 R)
• M6: 2,665,086 km (0.084 R)
• M7: 3,214,409 km (0.078 R)
• M8: 5,647,320 km (0.071 R)
• M9: 6,592,030 km (0.055 R)
• M10: 8,297,296 km (0.116 R)
• M11: 10,221,275 km (0.062 R)
• M12: 12,109,798 km (0.105 R)
• M13: 16,256,501 km (0.1 R)
• M14: 20,099,970 km (0.119 R)
• M15: 22,090,968 km (0.075 R)
• M16: 24,709,679 km (0.032 R)
• M17: 26,777,869 km (0.115 R)
• M18: 33,546,874 km (0.115 R)
• M19: 35,050,482 km (0.106 R)
• M20: 35,690,013 km (0.041 R)
• M21: 39,830,283 km (0.066 R)
• M22: 42,809,974 km (0.081 R)
• M23: 47,943,724 km (0.062 R)
• M24: 54,491,024 km (0.111 R)
• M25: 56,042,205 km (0.107 R)
• M26: 57,977,552 km (0.117 R)
• M27: 58,871,848 km (0.12 R)
• M28: 60,321,751 km (0.09 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 16,318 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit