🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.49 AU - 0.63 AU

Year: 275 Days

Day: 40.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.8

Radius: 8

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.66 AU - 0.7 AU

Year: 368 Days

Day: 7.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 102 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,905,607 km

• M1: 99,483 km (0.088 R)
• M2: 361,728 km (0.116 R)
• M3: 1,088,474 km (0.102 R)
• M4: 1,457,532 km (0.1 R)
• M5: 2,154,658 km (0.055 R)
• M6: 2,421,990 km (0.065 R)
• M7: 2,772,198 km (0.091 R)
• M8: 3,167,286 km (0.115 R)
• M9: 3,611,592 km (0.025 R)
• M10: 4,004,286 km (0.076 R)
• M11: 5,276,018 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.8

Radius: 10.4

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.93 AU - 1.25 AU

Year: 747 Days

Day: 11.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,905,607 km

• M1: 129,402 km (0.115 R)
• M2: 478,863 km (0.096 R)
• M3: 871,557 km (0.103 R)
• M4: 1,203,365 km (0.092 R)
• M5: 1,849,927 km (0.099 R)
• M6: 2,248,306 km (0.056 R)
• M7: 2,758,136 km (0.109 R)
• M8: 3,419,508 km (0.081 R)
• M9: 4,053,504 km (0.034 R)
• M10: 4,684,657 km (0.104 R)
• M11: 5,073,911 km (0.104 R)
• M12: 5,502,359 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.4

Radius: 14.7

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.74 AU - 2.28 AU

Year: 1869 Days

Day: 13.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 14,905,607 km

• M1: 183,108 km (0.029 R)
• M2: 641,176 km (0.114 R)
• M3: 1,219,821 km (0.096 R)
• M4: 1,754,035 km (0.03 R)
• M5: 2,360,804 km (0.106 R)
• M6: 2,864,650 km (0.11 R)
• M7: 3,799,337 km (0.055 R)
• M8: 4,868,962 km (0.111 R)
• M9: 5,695,341 km (0.108 R)
• M10: 6,466,218 km (0.114 R)
• M11: 7,439,203 km (0.109 R)
• M12: 9,837,855 km (0.031 R)
• M13: 10,707,019 km (0.099 R)
• M14: 11,554,192 km (0.096 R)
• M15: 12,068,808 km (0.075 R)
• M16: 12,752,919 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.2

Radius: 13

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.9 AU - 4.24 AU

Year: 4425 Days

Day: 7.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,905,607 km

• M1: 170,691 km (0.091 R)
• M2: 672,442 km (0.093 R)
• M3: 2,037,972 km (0.095 R)
• M4: 3,330,497 km (0.104 R)
• M5: 4,099,580 km (0.083 R)
• M6: 5,197,180 km (0.076 R)
• M7: 6,087,885 km (0.119 R)
• M8: 7,266,567 km (0.088 R)
• M9: 8,653,190 km (0.11 R)
• M10: 10,555,626 km (0.105 R)
• M11: 12,021,086 km (0.09 R)
• M12: 12,486,037 km (0.063 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 11,259 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit