🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.5 AU - 0.74 AU

Year: 310 Days

Day: 28.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,104,760 km

• M1: 408,103 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.7

Radius: 9.9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.65 AU - 1.01 AU

Year: 481 Days

Day: 13.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,104,760 km

• M1: 123,119 km (0.09 R)
• M2: 819,048 km (0.094 R)
• M3: 1,170,304 km (0.041 R)
• M4: 1,876,406 km (0.115 R)
• M5: 2,575,627 km (0.055 R)
• M6: 3,361,015 km (0.029 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.4

Radius: 9

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.69 AU - 1.07 AU

Year: 525 Days

Day: 11.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,104,760 km

• M1: 112,049 km (0.11 R)
• M2: 436,676 km (0.076 R)
• M3: 728,691 km (0.104 R)
• M4: 1,357,002 km (0.096 R)
• M5: 1,660,237 km (0.117 R)
• M6: 1,978,282 km (0.057 R)
• M7: 2,406,731 km (0.075 R)
• M8: 3,814,297 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.7

Radius: 13.7

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.63 AU - 7.35 AU

Year: 9321 Days

Day: 7 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,104,760 km

• M1: 170,542 km (0.076 R)
• M2: 690,394 km (0.106 R)
• M3: 1,241,662 km (0.068 R)
• M4: 1,733,241 km (0.113 R)
• M5: 2,508,307 km (0.098 R)
• M6: 3,026,066 km (0.063 R)
• M7: 3,615,332 km (0.106 R)
• M8: 5,371,312 km (0.117 R)
• M9: 5,888,023 km (0.093 R)
• M10: 6,951,364 km (0.059 R)
• M11: 7,603,611 km (0.03 R)
• M12: 10,351,425 km (0.104 R)
• M13: 15,933,370 km (0.096 R)
• M14: 16,368,849 km (0.111 R)
• M15: 17,723,458 km (0.078 R)
• M16: 18,598,755 km (0.082 R)
• M17: 20,728,580 km (0.112 R)
• M18: 21,852,359 km (0.077 R)
• M19: 25,299,543 km (0.036 R)
• M20: 26,064,287 km (0.085 R)
• M21: 27,373,418 km (0.088 R)
• M22: 30,311,820 km (0.111 R)
• M23: 31,661,193 km (0.097 R)
• M24: 34,479,766 km (0.111 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 10,541 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit