🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.56 AU - 0.74 AU

Year: 344 Days

Day: 22.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 19.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,380,231 km

• M1: 38,147 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.4

Radius: 14.4

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.59 AU - 0.89 AU

Year: 418 Days

Day: 13.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,380,231 km

• M1: 200,162 km (0.079 R)
• M2: 658,979 km (0.081 R)
• M3: 1,181,075 km (0.114 R)
• M4: 1,720,226 km (0.089 R)
• M5: 2,284,808 km (0.119 R)
• M6: 2,749,010 km (0.113 R)
• M7: 3,396,620 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.7

Radius: 8.2

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.27 AU - 3.43 AU

Year: 3156 Days

Day: 13.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,380,231 km

• M1: 103,223 km (0.094 R)
• M2: 1,381,836 km (0.106 R)
• M3: 1,655,300 km (0.109 R)
• M4: 1,977,385 km (0.057 R)
• M5: 2,368,733 km (0.092 R)
• M6: 2,842,509 km (0.094 R)
• M7: 4,018,947 km (0.081 R)
• M8: 4,965,752 km (0.072 R)
• M9: 5,272,128 km (0.116 R)
• M10: 6,710,661 km (0.051 R)
• M11: 12,144,505 km (0.116 R)
• M12: 12,965,348 km (0.106 R)
• M13: 13,276,811 km (0.107 R)
• M14: 14,430,510 km (0.115 R)
• M15: 15,649,732 km (0.105 R)
• M16: 17,255,067 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.8

Radius: 10.1

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.68 AU - 5.08 AU

Year: 7072 Days

Day: 11 Hours

Environment

Temp: -206 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,380,231 km

• M1: 126,111 km (0.082 R)
• M2: 480,957 km (0.066 R)
• M3: 959,072 km (0.102 R)
• M4: 1,474,885 km (0.106 R)
• M5: 2,216,891 km (0.03 R)
• M6: 2,987,619 km (0.059 R)
• M7: 3,381,211 km (0.06 R)
• M8: 3,951,777 km (0.084 R)
• M9: 4,585,474 km (0.098 R)
• M10: 5,054,164 km (0.068 R)
• M11: 5,554,419 km (0.06 R)
• M12: 6,152,512 km (0.099 R)
• M13: 7,111,434 km (0.066 R)
• M14: 8,049,263 km (0.064 R)
• M15: 11,113,327 km (0.115 R)
• M16: 12,114,585 km (0.113 R)
• M17: 12,904,312 km (0.095 R)
• M18: 13,840,197 km (0.115 R)
• M19: 14,296,171 km (0.114 R)
• M20: 14,820,960 km (0.071 R)
• M21: 15,662,747 km (0.109 R)
• M22: 16,033,152 km (0.105 R)
• M23: 16,409,390 km (0.082 R)
• M24: 17,114,445 km (0.067 R)
• M25: 27,757,436 km (0.114 R)
• M26: 29,971,784 km (0.082 R)
• M27: 31,806,602 km (0.111 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 18,137 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit