🌌 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: 139.7

Radius: 11.7

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.74 AU - 0.86 AU

Year: 469 Days

Day: 14.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 33,282,689 km

• M1: 145,708 km (0.091 R)
• M2: 685,457 km (0.076 R)
• M3: 1,104,930 km (0.053 R)
• M4: 1,483,562 km (0.12 R)
• M5: 2,227,811 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.8

Radius: 11.3

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.85 AU - 1.13 AU

Year: 646 Days

Day: 12.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 33,282,689 km

• M1: 141,370 km (0.073 R)
• M2: 743,053 km (0.077 R)
• M3: 1,265,000 km (0.114 R)
• M4: 1,672,355 km (0.115 R)
• M5: 2,265,211 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.4

Radius: 14.3

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1 AU - 1.48 AU

Year: 906 Days

Day: 5.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 33,282,689 km

• M1: 177,872 km (0.046 R)
• M2: 654,939 km (0.113 R)
• M3: 3,053,592 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.9

Radius: 14.8

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.1 AU - 1.44 AU

Year: 939 Days

Day: 10.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 33,282,689 km

• M1: 187,147 km (0.118 R)
• M2: 749,485 km (0.071 R)
• M3: 1,412,353 km (0.088 R)
• M4: 2,046,200 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422

Radius: 8.8

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.47 AU - 2.21 AU

Year: 1637 Days

Day: 10.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,282,689 km

• M1: 109,506 km (0.11 R)
• M2: 429,645 km (0.119 R)
• M3: 717,172 km (0.094 R)
• M4: 1,025,045 km (0.087 R)
• M5: 1,849,927 km (0.092 R)
• M6: 2,433,359 km (0.084 R)
• M7: 3,221,590 km (0.109 R)
• M8: 3,683,100 km (0.085 R)
• M9: 5,653,752 km (0.102 R)
• M10: 5,961,326 km (0.109 R)
• M11: 6,951,813 km (0.076 R)
• M12: 8,213,671 km (0.1 R)
• M13: 10,029,490 km (0.119 R)
• M14: 11,776,344 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.5

Radius: 12.6

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.76 AU - 2.42 AU

Year: 1982 Days

Day: 6.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,282,689 km

• M1: 156,779 km (0.086 R)
• M2: 549,323 km (0.089 R)
• M3: 989,440 km (0.111 R)
• M4: 1,529,638 km (0.095 R)
• M5: 1,995,785 km (0.079 R)
• M6: 2,780,276 km (0.103 R)
• M7: 3,192,269 km (0.117 R)
• M8: 3,948,037 km (0.086 R)
• M9: 4,585,923 km (0.098 R)
• M10: 4,980,562 km (0.094 R)
• M11: 6,351,477 km (0.119 R)
• M12: 7,575,337 km (0.03 R)
• M13: 9,133,548 km (0.109 R)
• M14: 9,793,873 km (0.099 R)
• M15: 10,318,214 km (0.114 R)
• M16: 10,792,439 km (0.12 R)
• M17: 12,491,572 km (0.073 R)
• M18: 12,913,887 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.1

Radius: 11.3

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.97 AU - 2.25 AU

Year: 2011 Days

Day: 9.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 145.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,282,689 km

• M1: 140,772 km (0.096 R)
• M2: 646,113 km (0.078 R)
• M3: 1,038,658 km (0.104 R)
• M4: 1,478,476 km (0.105 R)
• M5: 2,201,632 km (0.057 R)
• M6: 2,790,599 km (0.089 R)
• M7: 3,278,587 km (0.083 R)
• M8: 3,878,624 km (0.105 R)
• M9: 4,386,060 km (0.047 R)
• M10: 5,486,652 km (0.106 R)
• M11: 7,181,895 km (0.097 R)
• M12: 8,072,301 km (0.034 R)
• M13: 10,768,803 km (0.115 R)
• M14: 11,380,359 km (0.068 R)
• M15: 12,423,355 km (0.116 R)
• M16: 15,548,006 km (0.077 R)
• M17: 16,629,299 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.3

Radius: 13.9

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.28 AU - 6.22 AU

Year: 9045 Days

Day: 11.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,282,689 km

• M1: 173,085 km (0.091 R)
• M2: 1,168,808 km (0.054 R)
• M3: 1,823,000 km (0.059 R)
• M4: 2,388,629 km (0.036 R)
• M5: 4,286,877 km (0.045 R)
• M6: 5,074,360 km (0.053 R)
• M7: 6,467,415 km (0.104 R)
• M8: 7,077,176 km (0.062 R)
• M9: 7,874,533 km (0.092 R)
• M10: 10,446,419 km (0.095 R)
• M11: 10,908,527 km (0.047 R)
• M12: 11,432,419 km (0.091 R)
• M13: 12,023,181 km (0.098 R)
• M14: 12,479,604 km (0.089 R)
• M15: 14,029,588 km (0.06 R)
• M16: 15,644,646 km (0.106 R)
• M17: 17,188,795 km (0.059 R)
• M18: 18,228,949 km (0.077 R)
• M19: 18,764,510 km (0.068 R)
• M20: 21,676,432 km (0.025 R)
• M21: 23,200,984 km (0.053 R)
• M22: 25,620,281 km (0.108 R)
• M23: 32,592,290 km (0.1 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 14,056 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit