🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.2

Radius: 9.1

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.75 AU - 0.81 AU

Year: 445 Days

Day: 5.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,876,375 km

• M1: 113,246 km (0.076 R)
• M2: 420,220 km (0.09 R)
• M3: 711,936 km (0.043 R)
• M4: 1,081,443 km (0.115 R)
• M5: 1,509,592 km (0.073 R)
• M6: 1,821,803 km (0.085 R)
• M7: 2,471,955 km (0.089 R)
• M8: 3,019,184 km (0.073 R)
• M9: 3,570,004 km (0.119 R)
• M10: 3,876,380 km (0.111 R)
• M11: 4,455,025 km (0.108 R)
• M12: 4,765,440 km (0.092 R)
• M13: 5,596,905 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502

Radius: 9.4

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.98 AU - 1.34 AU

Year: 807 Days

Day: 11.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 29,876,375 km

• M1: 116,986 km (0.07 R)
• M2: 429,346 km (0.102 R)
• M3: 890,855 km (0.054 R)
• M4: 1,418,188 km (0.081 R)
• M5: 1,975,440 km (0.1 R)
• M6: 2,310,539 km (0.106 R)
• M7: 2,728,964 km (0.063 R)
• M8: 3,072,291 km (0.061 R)
• M9: 3,704,642 km (0.112 R)
• M10: 4,437,073 km (0.1 R)
• M11: 4,948,398 km (0.082 R)
• M12: 6,248,105 km (0.115 R)
• M13: 7,262,079 km (0.115 R)
• M14: 7,669,434 km (0.091 R)
• M15: 8,020,540 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.6

Radius: 14.1

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.56 AU - 2.96 AU

Year: 2961 Days

Day: 8.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,876,375 km

• M1: 175,478 km (0.101 R)
• M2: 695,929 km (0.119 R)
• M3: 1,796,371 km (0.064 R)
• M4: 2,802,417 km (0.11 R)
• M5: 3,512,408 km (0.116 R)
• M6: 5,037,708 km (0.102 R)
• M7: 5,584,489 km (0.096 R)
• M8: 7,865,407 km (0.12 R)
• M9: 9,458,774 km (0.048 R)
• M10: 10,108,777 km (0.117 R)
• M11: 10,673,060 km (0.093 R)
• M12: 18,681,932 km (0.072 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.2

Radius: 4.4

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.7 AU - 7.3 AU

Year: 9489 Days

Day: 18.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 29,876,375 km

• M1: 55,052 km (0.11 R)
• M2: 220,058 km (0.074 R)
• M3: 472,131 km (0.096 R)
• M4: 695,481 km (0.047 R)
• M5: 926,011 km (0.112 R)
• M6: 1,377,647 km (0.087 R)
• M7: 1,577,510 km (0.086 R)
• M8: 1,948,961 km (0.089 R)
• M9: 3,092,038 km (0.09 R)
• M10: 3,250,762 km (0.102 R)
• M11: 3,394,226 km (0.075 R)
• M12: 3,782,433 km (0.105 R)
• M13: 5,490,691 km (0.114 R)
• M14: 5,635,801 km (0.08 R)
• M15: 5,964,018 km (0.106 R)
• M16: 7,161,998 km (0.08 R)
• M17: 7,982,692 km (0.111 R)
• M18: 8,206,790 km (0.109 R)
• M19: 9,514,574 km (0.078 R)
• M20: 11,047,055 km (0.079 R)
• M21: 14,813,929 km (0.111 R)
• M22: 18,304,347 km (0.116 R)
• M23: 19,828,151 km (0.114 R)
• M24: 24,274,798 km (0.097 R)
• M25: 27,356,364 km (0.095 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: 162 - 12,329 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit