🌌 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: 85.4

Radius: 10.5

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.45 AU - 0.57 AU

Year: 251 Days

Day: 7.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 28,815,665 km

• M1: 130,599 km (0.116 R)
• M2: 571,613 km (0.094 R)
• M3: 1,054,366 km (0.113 R)
• M4: 1,688,511 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.4

Radius: 11.7

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.54 AU - 0.68 AU

Year: 329 Days

Day: 6.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,815,665 km

• M1: 145,559 km (0.113 R)
• M2: 561,441 km (0.034 R)
• M3: 1,129,763 km (0.112 R)
• M4: 1,501,215 km (0.057 R)
• M5: 1,872,965 km (0.074 R)
• M6: 2,493,797 km (0.04 R)
• M7: 2,898,758 km (0.08 R)
• M8: 3,325,561 km (0.094 R)
• M9: 4,253,516 km (0.106 R)
• M10: 4,909,054 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.4

Radius: 11.5

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.62 AU - 1 AU

Year: 503 Days

Day: 9.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,815,665 km

• M1: 143,016 km (0.111 R)
• M2: 525,089 km (0.075 R)
• M3: 1,720,525 km (0.109 R)
• M4: 2,311,287 km (0.09 R)
• M5: 2,741,082 km (0.115 R)
• M6: 3,212,016 km (0.052 R)
• M7: 3,590,498 km (0.113 R)
• M8: 5,345,581 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.8

Radius: 11.1

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.53 AU - 1.59 AU

Year: 1345 Days

Day: 12 Hours

Environment

Temp: -190 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,815,665 km

• M1: 138,079 km (0.094 R)
• M2: 565,181 km (0.065 R)
• M3: 1,043,296 km (0.114 R)
• M4: 1,787,844 km (0.059 R)
• M5: 2,328,341 km (0.09 R)
• M6: 3,069,599 km (0.118 R)
• M7: 4,043,331 km (0.076 R)
• M8: 4,433,482 km (0.116 R)
• M9: 5,510,737 km (0.114 R)
• M10: 6,035,077 km (0.032 R)
• M11: 7,455,210 km (0.066 R)
• M12: 8,776,309 km (0.083 R)
• M13: 9,317,255 km (0.091 R)
• M14: 10,001,665 km (0.038 R)
• M15: 10,751,300 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249

Radius: 14

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.42 AU - 1.7 AU

Year: 1345 Days

Day: 9.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,815,665 km

• M1: 174,132 km (0.11 R)
• M2: 939,624 km (0.117 R)
• M3: 1,500,018 km (0.085 R)
• M4: 2,303,358 km (0.102 R)
• M5: 2,979,690 km (0.084 R)
• M6: 3,571,649 km (0.116 R)
• M7: 4,565,278 km (0.079 R)
• M8: 5,337,652 km (0.081 R)
• M9: 6,215,941 km (0.111 R)
• M10: 6,701,087 km (0.114 R)
• M11: 7,211,515 km (0.101 R)
• M12: 8,927,103 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.9

Radius: 8.5

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.27 AU - 4.17 AU

Year: 4953 Days

Day: 8.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,815,665 km

• M1: 106,214 km (0.075 R)
• M2: 378,782 km (0.108 R)
• M3: 650,003 km (0.101 R)
• M4: 1,204,263 km (0.082 R)
• M5: 1,494,483 km (0.042 R)
• M6: 1,993,691 km (0.12 R)
• M7: 2,404,786 km (0.092 R)
• M8: 3,324,065 km (0.107 R)
• M9: 3,884,010 km (0.058 R)
• M10: 4,262,193 km (0.077 R)
• M11: 4,734,473 km (0.11 R)
• M12: 5,141,978 km (0.107 R)
• M13: 5,546,640 km (0.103 R)
• M14: 7,864,958 km (0.104 R)
• M15: 8,858,139 km (0.052 R)
• M16: 9,440,523 km (0.097 R)
• M17: 11,854,584 km (0.066 R)
• M18: 12,607,061 km (0.076 R)
• M19: 15,780,182 km (0.072 R)
• M20: 16,581,578 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.1

Radius: 11

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.55 AU - 5.93 AU

Year: 8280 Days

Day: 12.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,815,665 km

• M1: 137,032 km (0.09 R)
• M2: 574,306 km (0.068 R)
• M3: 1,007,841 km (0.082 R)
• M4: 1,366,427 km (0.119 R)
• M5: 2,401,046 km (0.102 R)
• M6: 3,428,933 km (0.089 R)
• M7: 4,192,630 km (0.106 R)
• M8: 5,066,132 km (0.09 R)
• M9: 5,937,390 km (0.094 R)
• M10: 6,393,514 km (0.092 R)
• M11: 7,004,920 km (0.037 R)
• M12: 8,608,759 km (0.092 R)
• M13: 9,640,236 km (0.117 R)
• M14: 12,332,699 km (0.044 R)
• M15: 13,280,701 km (0.111 R)
• M16: 13,904,075 km (0.077 R)
• M17: 14,384,284 km (0.11 R)
• M18: 17,440,269 km (0.111 R)
• M19: 20,491,168 km (0.105 R)
• M20: 24,725,386 km (0.106 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: 324 - 17,547 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit