🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.7

Radius: 11.1

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.83 AU - 0.95 AU

Year: 580 Days

Day: 9.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,381,602 km

• M1: 138,079 km (0.083 R)
• M2: 486,043 km (0.099 R)
• M3: 835,205 km (0.108 R)
• M4: 1,322,445 km (0.086 R)
• M5: 1,855,462 km (0.068 R)
• M6: 2,250,999 km (0.072 R)
• M7: 2,910,127 km (0.083 R)
• M8: 3,462,144 km (0.061 R)
• M9: 3,820,580 km (0.106 R)
• M10: 4,645,163 km (0.115 R)
• M11: 5,492,486 km (0.118 R)
• M12: 6,060,359 km (0.026 R)
• M13: 6,501,374 km (0.109 R)
• M14: 7,006,865 km (0.073 R)
• M15: 7,652,529 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750

Radius: 13.2

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.99 AU - 1.47 AU

Year: 942 Days

Day: 8.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,381,602 km

• M1: 164,258 km (0.051 R)
• M2: 595,549 km (0.095 R)
• M3: 1,009,486 km (0.044 R)
• M4: 1,452,147 km (0.092 R)
• M5: 2,283,462 km (0.079 R)
• M6: 2,813,936 km (0.104 R)
• M7: 4,046,024 km (0.053 R)
• M8: 5,670,956 km (0.051 R)
• M9: 6,212,949 km (0.047 R)
• M10: 6,835,127 km (0.084 R)
• M11: 7,621,563 km (0.063 R)
• M12: 8,681,763 km (0.097 R)
• M13: 9,489,292 km (0.038 R)
• M14: 9,955,888 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787

Radius: 14.1

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.1 AU - 2.4 AU

Year: 2330 Days

Day: 8.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,381,602 km

• M1: 178,620 km (0.117 R)
• M2: 699,220 km (0.092 R)
• M3: 1,937,592 km (0.096 R)
• M4: 2,732,704 km (0.12 R)
• M5: 3,325,561 km (0.11 R)
• M6: 4,243,044 km (0.101 R)
• M7: 4,707,097 km (0.083 R)
• M8: 5,890,117 km (0.119 R)
• M9: 7,531,355 km (0.075 R)
• M10: 15,618,018 km (0.114 R)
• M11: 18,008,442 km (0.117 R)
• M12: 18,782,162 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.8

Radius: 7.7

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.28 AU - 9.18 AU

Year: 16297 Days

Day: 17 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,381,602 km

• M1: 95,743 km (0.102 R)
• M2: 493,224 km (0.094 R)
• M3: 959,670 km (0.045 R)
• M4: 3,990,374 km (0.104 R)
• M5: 4,741,355 km (0.097 R)
• M6: 5,909,265 km (0.03 R)
• M7: 7,472,713 km (0.077 R)
• M8: 14,251,591 km (0.05 R)
• M9: 17,402,870 km (0.1 R)
• M10: 26,839,504 km (0.118 R)
• M11: 31,707,418 km (0.076 R)
• M12: 35,015,925 km (0.058 R)
• M13: 38,158,078 km (0.101 R)
• M14: 41,483,490 km (0.088 R)
• M15: 41,757,553 km (0.102 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 18,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit