🌌 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: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.2

Radius: 8.8

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.71 AU - 0.89 AU

Year: 455 Days

Day: 12.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,196,076 km

• M1: 109,506 km (0.09 R)
• M2: 449,392 km (0.071 R)
• M3: 724,054 km (0.101 R)
• M4: 1,068,578 km (0.093 R)
• M5: 1,925,474 km (0.098 R)
• M6: 2,513,992 km (0.103 R)
• M7: 2,871,980 km (0.12 R)
• M8: 3,194,363 km (0.115 R)
• M9: 3,691,477 km (0.109 R)
• M10: 4,380,824 km (0.095 R)
• M11: 4,763,944 km (0.068 R)
• M12: 5,978,380 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.1

Radius: 14.1

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 3.44 AU - 3.6 AU

Year: 4199 Days

Day: 9.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,196,076 km

• M1: 175,478 km (0.069 R)
• M2: 1,039,705 km (0.034 R)
• M3: 1,780,514 km (0.071 R)
• M4: 2,823,510 km (0.059 R)
• M5: 5,765,203 km (0.045 R)
• M6: 6,608,037 km (0.056 R)
• M7: 8,609,806 km (0.101 R)
• M8: 10,741,277 km (0.077 R)
• M9: 13,204,555 km (0.049 R)
• M10: 16,293,452 km (0.106 R)
• M11: 17,746,047 km (0.118 R)
• M12: 21,753,625 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.4

Radius: 11.9

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.78 AU - 5.7 AU

Year: 6561 Days

Day: 11.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 31,196,076 km

• M1: 148,251 km (0.037 R)
• M2: 619,784 km (0.07 R)
• M3: 1,349,522 km (0.083 R)
• M4: 1,833,172 km (0.065 R)
• M5: 2,241,126 km (0.088 R)
• M6: 2,768,159 km (0.101 R)
• M7: 3,200,646 km (0.105 R)
• M8: 4,203,251 km (0.11 R)
• M9: 4,980,861 km (0.06 R)
• M10: 8,140,219 km (0.084 R)
• M11: 10,475,142 km (0.029 R)
• M12: 11,071,888 km (0.04 R)
• M13: 12,170,385 km (0.089 R)
• M14: 15,518,086 km (0.114 R)
• M15: 16,892,741 km (0.117 R)
• M16: 19,214,650 km (0.101 R)
• M17: 20,261,236 km (0.077 R)
• M18: 21,109,905 km (0.109 R)
• M19: 26,891,115 km (0.092 R)
• M20: 29,257,753 km (0.084 R)
• M21: 35,832,131 km (0.108 R)
• M22: 36,731,812 km (0.061 R)
• M23: 39,759,524 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.7

Radius: 3.9

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.06 AU - 10.58 AU

Year: 18091 Days

Day: 20.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 31,196,076 km

• M1: 56,698 km (0.107 R)
• M2: 279,449 km (0.062 R)
• M3: 823,985 km (0.098 R)
• M4: 1,563,148 km (0.112 R)
• M5: 2,274,785 km (0.077 R)
• M6: 2,405,983 km (0.057 R)
• M7: 3,428,933 km (0.12 R)
• M8: 3,735,459 km (0.107 R)
• M9: 5,606,928 km (0.103 R)
• M10: 7,836,834 km (0.065 R)
• M11: 8,137,376 km (0.106 R)
• M12: 9,208,347 km (0.1 R)
• M13: 13,083,979 km (0.053 R)
• M14: 19,042,313 km (0.081 R)
• M15: 19,448,322 km (0.112 R)
• M16: 23,443,183 km (0.102 R)
• M17: 23,909,480 km (0.095 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 15,401 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit