🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.3

Radius: 12.5

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.4 AU - 0.62 AU

Year: 251 Days

Day: 13.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,447,733 km

• M1: 155,731 km (0.119 R)
• M2: 563,236 km (0.062 R)
• M3: 995,873 km (0.045 R)
• M4: 1,714,242 km (0.106 R)
• M5: 2,169,169 km (0.105 R)
• M6: 3,458,104 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.3

Radius: 11.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.77 AU - 1.13 AU

Year: 639 Days

Day: 9.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,447,733 km

• M1: 145,559 km (0.104 R)
• M2: 555,756 km (0.088 R)
• M3: 1,042,697 km (0.105 R)
• M4: 1,443,320 km (0.076 R)
• M5: 1,964,519 km (0.119 R)
• M6: 2,700,690 km (0.119 R)
• M7: 3,088,149 km (0.069 R)
• M8: 4,308,718 km (0.077 R)
• M9: 4,934,486 km (0.071 R)
• M10: 5,401,231 km (0.088 R)
• M11: 5,844,639 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.7

Radius: 9.9

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.64 AU - 3.7 AU

Year: 4853 Days

Day: 5.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,447,733 km

• M1: 123,119 km (0.099 R)
• M2: 440,117 km (0.085 R)
• M3: 758,162 km (0.09 R)
• M4: 1,165,517 km (0.103 R)
• M5: 2,273,588 km (0.085 R)
• M6: 2,740,783 km (0.096 R)
• M7: 3,482,190 km (0.106 R)
• M8: 3,910,937 km (0.108 R)
• M9: 4,584,427 km (0.117 R)
• M10: 6,162,086 km (0.074 R)
• M11: 6,668,325 km (0.112 R)
• M12: 8,607,413 km (0.108 R)
• M13: 13,123,174 km (0.094 R)
• M14: 13,962,119 km (0.093 R)
• M15: 14,317,713 km (0.047 R)
• M16: 22,007,642 km (0.101 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964.1

Radius: 5.3

Gravity: 34.32 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 6.59 AU - 7.67 AU

Year: 13142 Days

Day: 21.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,447,733 km

• M1: 66,870 km (0.114 R)
• M2: 235,168 km (0.098 R)
• M3: 543,339 km (0.105 R)
• M4: 1,525,150 km (0.077 R)
• M5: 2,421,990 km (0.118 R)
• M6: 4,342,826 km (0.095 R)
• M7: 6,665,184 km (0.091 R)
• M8: 7,053,390 km (0.119 R)
• M9: 8,357,435 km (0.054 R)
• M10: 11,311,993 km (0.096 R)
• M11: 17,022,443 km (0.112 R)
• M12: 21,215,970 km (0.07 R)
• M13: 21,960,070 km (0.067 R)
• M14: 26,367,074 km (0.075 R)
• M15: 40,731,311 km (0.081 R)
• M16: 57,026,858 km (0.055 R)
• M17: 58,101,569 km (0.093 R)
• M18: 58,281,984 km (0.111 R)
• M19: 60,106,779 km (0.075 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 17,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit