🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.3

Radius: 10.2

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.55 AU - 0.63 AU

Year: 319 Days

Day: 14.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 26,695,733 km

• M1: 126,859 km (0.115 R)
• M2: 476,170 km (0.112 R)
• M3: 809,923 km (0.06 R)
• M4: 1,353,562 km (0.101 R)
• M5: 2,489,458 km (0.113 R)
• M6: 3,207,528 km (0.076 R)
• M7: 4,403,862 km (0.089 R)

Asteroid Belt

Center: 1.98 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.1

Radius: 14

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.31 AU - 3.43 AU

Year: 4349 Days

Day: 8.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,695,733 km

• M1: 174,282 km (0.1 R)
• M2: 617,989 km (0.091 R)
• M3: 1,289,833 km (0.066 R)
• M4: 2,021,815 km (0.09 R)
• M5: 3,186,135 km (0.038 R)
• M6: 4,709,042 km (0.115 R)
• M7: 5,303,245 km (0.088 R)
• M8: 7,700,700 km (0.116 R)
• M9: 8,640,474 km (0.104 R)
• M10: 9,256,069 km (0.1 R)
• M11: 10,403,634 km (0.116 R)
• M12: 11,644,100 km (0.065 R)
• M13: 13,030,573 km (0.062 R)
• M14: 13,635,547 km (0.118 R)
• M15: 15,230,110 km (0.083 R)
• M16: 16,418,217 km (0.067 R)
• M17: 16,945,998 km (0.083 R)
• M18: 17,667,209 km (0.066 R)
• M19: 21,376,638 km (0.091 R)
• M20: 22,361,591 km (0.087 R)
• M21: 24,045,015 km (0.105 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.9

Radius: 4.5

Gravity: 14.91 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.13 AU - 10.85 AU

Year: 18947 Days

Day: 18.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,695,733 km

• M1: 110,104 km (0.049 R)
• M2: 259,702 km (0.112 R)
• M3: 450,888 km (0.078 R)
• M4: 626,067 km (0.063 R)
• M5: 2,043,058 km (0.113 R)
• M6: 2,307,697 km (0.03 R)
• M7: 4,809,123 km (0.108 R)
• M8: 8,410,093 km (0.12 R)
• M9: 10,173,403 km (0.113 R)
• M10: 16,913,236 km (0.118 R)
• M11: 22,031,129 km (0.054 R)
• M12: 23,314,529 km (0.112 R)
• M13: 25,728,739 km (0.081 R)
• M14: 27,671,268 km (0.081 R)
• M15: 34,931,402 km (0.047 R)
• M16: 39,127,473 km (0.109 R)
• M17: 47,144,572 km (0.048 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 28.2

Radius: 4.1

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 9.38 AU - 9.56 AU

Year: 20485 Days

Day: 21.4 Hours

Environment

Temp: -245 °C

Axial Tilt: 83.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,695,733 km

• M1: 1,098,198 km (0.099 R)
• M2: 1,314,965 km (0.083 R)
• M3: 2,081,954 km (0.112 R)
• M4: 5,495,478 km (0.073 R)
• M5: 10,331,229 km (0.107 R)
• M6: 10,935,904 km (0.09 R)
• M7: 21,139,077 km (0.11 R)
• M8: 22,111,164 km (0.112 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: 232 - 13,728 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit