🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.45 AU - 0.57 AU

Year: 139 Days

Day: 14.2 Hours

Environment

Temp: 139 °C

Axial Tilt: 10.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 69,588,543 km

• M1: 30,817 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.72 AU - 1.14 AU

Year: 342 Days

Day: 16.9 Hours

Environment

Temp: 32 °C

Axial Tilt: 36.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 69,588,543 km

• M1: 393,592 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.31 AU - 2.07 AU

Year: 837 Days

Day: 18.1 Hours

Environment

Temp: -56 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.6

Radius: 9.5

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.34 AU - 10.18 AU

Year: 10730 Days

Day: 8.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,588,543 km

• M1: 118,182 km (0.102 R)
• M2: 588,219 km (0.104 R)
• M3: 1,164,320 km (0.042 R)
• M4: 2,310,090 km (0.083 R)
• M5: 2,689,321 km (0.11 R)
• M6: 3,469,474 km (0.064 R)
• M7: 4,667,154 km (0.094 R)
• M8: 5,221,863 km (0.06 R)
• M9: 7,153,172 km (0.113 R)
• M10: 7,675,418 km (0.029 R)
• M11: 9,273,572 km (0.117 R)
• M12: 9,810,329 km (0.039 R)
• M13: 12,861,378 km (0.099 R)
• M14: 13,476,973 km (0.083 R)
• M15: 14,220,026 km (0.098 R)
• M16: 14,546,598 km (0.068 R)
• M17: 22,254,927 km (0.069 R)
• M18: 28,191,719 km (0.071 R)
• M19: 29,142,862 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.4

Radius: 7.7

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 12.71 AU - 16.61 AU

Year: 21375 Days

Day: 19.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,588,543 km

• M1: 112,348 km (0.062 R)
• M2: 542,591 km (0.026 R)
• M3: 926,759 km (0.057 R)
• M4: 3,014,846 km (0.089 R)
• M5: 3,598,577 km (0.114 R)
• M6: 4,097,037 km (0.092 R)
• M7: 4,472,827 km (0.072 R)
• M8: 6,634,516 km (0.106 R)
• M9: 8,188,688 km (0.109 R)
• M10: 8,917,529 km (0.082 R)
• M11: 14,164,525 km (0.047 R)
• M12: 15,403,345 km (0.063 R)
• M13: 27,269,149 km (0.099 R)
• M14: 39,007,944 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 234.5

Radius: 4.2

Gravity: 13.29 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 11.2 AU - 18.66 AU

Year: 21968 Days

Day: 24.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,588,543 km

• M1: 54,603 km (0.042 R)
• M2: 228,436 km (0.071 R)
• M3: 399,127 km (0.097 R)
• M4: 777,610 km (0.064 R)
• M5: 936,782 km (0.099 R)
• M6: 2,199,687 km (0.098 R)
• M7: 3,840,925 km (0.11 R)
• M8: 4,011,317 km (0.077 R)
• M9: 4,276,554 km (0.073 R)
• M10: 5,040,999 km (0.041 R)
• M11: 6,590,983 km (0.117 R)
• M12: 9,216,426 km (0.12 R)
• M13: 12,902,068 km (0.082 R)
• M14: 18,488,502 km (0.047 R)
• M15: 20,832,251 km (0.114 R)
• M16: 21,715,178 km (0.07 R)
• M17: 26,506,349 km (0.108 R)
• M18: 27,333,027 km (0.1 R)
• M19: 29,584,475 km (0.039 R)
• M20: 45,441,700 km (0.118 R)
• M21: 47,827,486 km (0.108 R)
• M22: 55,483,606 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.8

Radius: 3.9

Gravity: 20.37 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 13.55 AU - 19.87 AU

Year: 26011 Days

Day: 18.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,588,543 km

• M1: 48,919 km (0.041 R)
• M2: 235,317 km (0.025 R)
• M3: 481,705 km (0.069 R)
• M4: 683,363 km (0.051 R)
• M5: 872,754 km (0.093 R)
• M6: 1,058,704 km (0.064 R)
• M7: 1,402,031 km (0.073 R)
• M8: 1,797,718 km (0.057 R)
• M9: 1,982,920 km (0.078 R)
• M10: 3,004,524 km (0.097 R)
• M11: 5,972,246 km (0.074 R)
• M12: 6,642,145 km (0.086 R)
• M13: 7,501,286 km (0.117 R)
• M14: 7,643,404 km (0.047 R)
• M15: 7,981,944 km (0.089 R)
• M16: 9,658,188 km (0.114 R)
• M17: 17,107,713 km (0.109 R)
• M18: 17,436,829 km (0.1 R)
• M19: 18,882,692 km (0.099 R)
• M20: 19,057,871 km (0.1 R)
• M21: 20,041,028 km (0.113 R)
• M22: 20,683,850 km (0.061 R)
• M23: 22,892,962 km (0.099 R)
• M24: 26,329,973 km (0.11 R)
• M25: 28,342,214 km (0.108 R)
• M26: 28,571,847 km (0.068 R)
• M27: 31,181,432 km (0.098 R)
• M28: 32,293,094 km (0.08 R)
• M29: 32,543,820 km (0.117 R)
• M30: 35,920,693 km (0.088 R)
• M31: 44,279,923 km (0.07 R)
• M32: 44,899,856 km (0.039 R)
• M33: 46,157,376 km (0.108 R)
• M34: 47,761,963 km (0.066 R)
• M35: 54,552,360 km (0.048 R)
• M36: 56,164,127 km (0.099 R)
• M37: 67,932,842 km (0.068 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: 519 - 16,340 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit