🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.46 AU - 0.68 AU

Year: 282 Days

Day: 24.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,362,295 km

• M1: 151,692 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.56 AU - 0.64 AU

Year: 305 Days

Day: 24.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.09 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.1

Radius: 8

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.35 AU - 1.81 AU

Year: 1303 Days

Day: 11.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,362,295 km

• M1: 100,530 km (0.047 R)
• M2: 355,744 km (0.069 R)
• M3: 699,220 km (0.1 R)
• M4: 1,072,018 km (0.112 R)
• M5: 1,327,831 km (0.078 R)
• M6: 1,659,788 km (0.107 R)
• M7: 2,006,407 km (0.083 R)
• M8: 2,278,376 km (0.09 R)
• M9: 2,539,573 km (0.064 R)
• M10: 3,069,000 km (0.036 R)
• M11: 3,345,906 km (0.102 R)
• M12: 4,589,962 km (0.053 R)
• M13: 5,199,872 km (0.069 R)
• M14: 5,717,481 km (0.104 R)
• M15: 6,694,056 km (0.094 R)
• M16: 7,453,415 km (0.119 R)
• M17: 7,930,632 km (0.112 R)
• M18: 8,401,416 km (0.051 R)
• M19: 9,058,001 km (0.065 R)
• M20: 9,956,187 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.5

Radius: 4.6

Gravity: 29.09 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.37 AU - 7.61 AU

Year: 10846 Days

Day: 21.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,362,295 km

• M1: 57,894 km (0.099 R)
• M2: 212,130 km (0.079 R)
• M3: 528,529 km (0.028 R)
• M4: 723,007 km (0.083 R)
• M5: 885,021 km (0.118 R)
• M6: 1,139,337 km (0.112 R)
• M7: 1,413,849 km (0.063 R)
• M8: 1,762,562 km (0.091 R)
• M9: 2,928,079 km (0.057 R)
• M10: 3,801,132 km (0.116 R)
• M11: 4,681,516 km (0.056 R)
• M12: 5,936,642 km (0.062 R)
• M13: 6,757,635 km (0.118 R)
• M14: 7,400,457 km (0.096 R)
• M15: 10,278,720 km (0.119 R)
• M16: 10,539,020 km (0.078 R)
• M17: 11,850,096 km (0.047 R)
• M18: 15,801,574 km (0.12 R)
• M19: 16,218,354 km (0.055 R)
• M20: 16,642,464 km (0.069 R)
• M21: 21,046,326 km (0.097 R)
• M22: 22,935,149 km (0.109 R)
• M23: 23,290,294 km (0.093 R)
• M24: 24,562,325 km (0.103 R)
• M25: 27,943,386 km (0.089 R)
• M26: 28,757,498 km (0.12 R)
• M27: 30,008,136 km (0.109 R)
• M28: 31,077,761 km (0.106 R)
• M29: 31,512,642 km (0.058 R)
• M30: 33,406,102 km (0.1 R)
• M31: 37,540,838 km (0.103 R)
• M32: 40,050,043 km (0.119 R)
• M33: 41,084,213 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 767.7

Radius: 4.9

Gravity: 31.97 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.53 AU - 9.13 AU

Year: 13019 Days

Day: 20.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 59,362,295 km

• M1: 60,886 km (0.102 R)
• M2: 521,199 km (0.09 R)
• M3: 692,339 km (0.087 R)
• M4: 911,799 km (0.112 R)
• M5: 1,419,385 km (0.107 R)
• M6: 1,932,206 km (0.046 R)
• M7: 2,153,611 km (0.106 R)
• M8: 3,314,939 km (0.085 R)
• M9: 4,088,510 km (0.093 R)
• M10: 5,833,120 km (0.1 R)
• M11: 6,701,536 km (0.096 R)
• M12: 7,562,920 km (0.108 R)
• M13: 8,113,889 km (0.037 R)
• M14: 8,593,051 km (0.104 R)
• M15: 9,243,952 km (0.032 R)
• M16: 13,654,097 km (0.044 R)
• M17: 14,331,326 km (0.079 R)
• M18: 18,461,424 km (0.058 R)
• M19: 19,541,970 km (0.062 R)
• M20: 22,565,941 km (0.047 R)
• M21: 25,380,176 km (0.039 R)
• M22: 26,923,578 km (0.11 R)
• M23: 31,111,570 km (0.115 R)
• M24: 33,480,751 km (0.117 R)
• M25: 38,043,636 km (0.108 R)
• M26: 40,749,263 km (0.083 R)
• M27: 43,147,616 km (0.094 R)
• M28: 44,162,039 km (0.094 R)
• M29: 49,001,979 km (0.07 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: 277 - 14,416 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit