🌌 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: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.52 AU - 0.7 AU

Year: 313 Days

Day: 24.9 Hours

Environment

Temp: -119 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.61 AU - 0.61 AU

Year: 313 Days

Day: 27.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,787,660 km

• M1: 330,312 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.2

Radius: 14.6

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.59 AU - 0.99 AU

Year: 461 Days

Day: 9.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,787,660 km

• M1: 181,911 km (0.114 R)
• M2: 710,291 km (0.059 R)
• M3: 1,343,239 km (0.117 R)
• M4: 1,974,094 km (0.093 R)
• M5: 2,448,169 km (0.103 R)
• M6: 3,253,903 km (0.066 R)
• M7: 4,626,763 km (0.117 R)
• M8: 5,331,369 km (0.101 R)
• M9: 5,880,393 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64

Radius: 9.3

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.17 AU - 3.21 AU

Year: 2894 Days

Day: 10.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,787,660 km

• M1: 121,025 km (0.092 R)
• M2: 591,809 km (0.075 R)
• M3: 927,507 km (0.085 R)
• M4: 1,297,911 km (0.107 R)
• M5: 3,340,221 km (0.112 R)
• M6: 4,145,507 km (0.08 R)
• M7: 5,223,658 km (0.092 R)
• M8: 5,747,700 km (0.032 R)
• M9: 6,200,233 km (0.1 R)
• M10: 6,544,159 km (0.051 R)
• M11: 8,024,131 km (0.045 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728.8

Radius: 6.6

Gravity: 16.73 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.61 AU - 12.69 AU

Year: 21213 Days

Day: 21.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,787,660 km

• M1: 82,428 km (0.068 R)
• M2: 298,897 km (0.111 R)
• M3: 560,693 km (0.09 R)
• M4: 1,076,955 km (0.105 R)
• M5: 1,420,282 km (0.088 R)
• M6: 2,776,536 km (0.099 R)
• M7: 3,310,451 km (0.059 R)
• M8: 3,632,087 km (0.106 R)
• M9: 3,942,353 km (0.057 R)
• M10: 4,372,147 km (0.086 R)
• M11: 5,325,086 km (0.095 R)
• M12: 6,190,509 km (0.105 R)
• M13: 7,886,501 km (0.083 R)
• M14: 11,105,697 km (0.107 R)
• M15: 14,028,690 km (0.071 R)
• M16: 18,490,895 km (0.049 R)
• M17: 19,223,626 km (0.118 R)
• M18: 19,691,119 km (0.09 R)
• M19: 20,455,115 km (0.086 R)
• M20: 25,013,362 km (0.091 R)
• M21: 26,022,400 km (0.096 R)
• M22: 28,121,557 km (0.07 R)
• M23: 32,258,387 km (0.095 R)
• M24: 37,214,714 km (0.082 R)
• M25: 40,786,663 km (0.09 R)
• M26: 41,094,236 km (0.082 R)
• M27: 46,061,932 km (0.091 R)
• M28: 46,562,936 km (0.076 R)
• M29: 49,122,406 km (0.098 R)
• M30: 57,941,350 km (0.084 R)
• M31: 58,525,081 km (0.069 R)
• M32: 61,907,488 km (0.106 R)
• M33: 66,901,065 km (0.112 R)
• M34: 67,543,588 km (0.08 R)
• M35: 69,715,001 km (0.096 R)
• M36: 70,817,837 km (0.056 R)
• M37: 75,346,015 km (0.03 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 169 - 12,791 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit