🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.6 AU - 0.72 AU

Year: 199 Days

Day: 47.9 Hours

Environment

Temp: 169 °C

Axial Tilt: 34.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,615,822 km

• M1: 94,695 km (0.104 R)

Asteroid Belt

Center: 4.24 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.6

Radius: 10.1

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 7.26 AU - 8.36 AU

Year: 8094 Days

Day: 9.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,615,822 km

• M1: 125,662 km (0.057 R)
• M2: 573,558 km (0.079 R)
• M3: 1,007,691 km (0.077 R)
• M4: 1,658,442 km (0.063 R)
• M5: 2,070,285 km (0.11 R)
• M6: 2,666,432 km (0.12 R)
• M7: 3,538,438 km (0.03 R)
• M8: 3,859,775 km (0.087 R)
• M9: 4,794,013 km (0.098 R)
• M10: 5,220,068 km (0.048 R)
• M11: 5,804,846 km (0.084 R)
• M12: 11,943,296 km (0.113 R)
• M13: 12,901,021 km (0.112 R)
• M14: 20,373,136 km (0.077 R)
• M15: 25,830,167 km (0.094 R)
• M16: 26,480,469 km (0.095 R)
• M17: 30,510,935 km (0.065 R)
• M18: 30,924,722 km (0.086 R)
• M19: 32,617,871 km (0.092 R)
• M20: 34,149,155 km (0.119 R)
• M21: 37,472,920 km (0.104 R)
• M22: 40,630,782 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.2

Radius: 11.3

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.9 AU - 9.83 AU

Year: 8172 Days

Day: 6.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 160.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,615,822 km

• M1: 140,472 km (0.058 R)
• M2: 834,906 km (0.074 R)
• M3: 1,589,178 km (0.098 R)
• M4: 5,121,184 km (0.063 R)
• M5: 5,930,060 km (0.072 R)
• M6: 6,347,587 km (0.073 R)
• M7: 7,883,509 km (0.067 R)
• M8: 8,606,366 km (0.098 R)
• M9: 11,197,849 km (0.084 R)
• M10: 14,895,909 km (0.053 R)
• M11: 18,518,720 km (0.082 R)
• M12: 21,859,690 km (0.074 R)
• M13: 23,628,984 km (0.094 R)
• M14: 26,786,995 km (0.119 R)
• M15: 31,351,375 km (0.115 R)
• M16: 35,379,896 km (0.097 R)
• M17: 36,294,089 km (0.07 R)
• M18: 42,368,810 km (0.07 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.1

Radius: 7.4

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 15.39 AU - 19.39 AU

Year: 26894 Days

Day: 21.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,615,822 km

• M1: 109,206 km (0.06 R)
• M2: 772,823 km (0.095 R)
• M3: 1,153,400 km (0.115 R)
• M4: 1,748,051 km (0.116 R)
• M5: 3,477,851 km (0.057 R)
• M6: 3,849,901 km (0.031 R)
• M7: 4,277,602 km (0.079 R)
• M8: 4,642,172 km (0.08 R)
• M9: 5,935,445 km (0.064 R)
• M10: 9,362,732 km (0.073 R)
• M11: 9,926,118 km (0.099 R)
• M12: 11,810,453 km (0.046 R)
• M13: 12,106,357 km (0.12 R)
• M14: 13,725,605 km (0.119 R)
• M15: 16,564,374 km (0.104 R)
• M16: 21,042,287 km (0.08 R)
• M17: 21,918,781 km (0.077 R)
• M18: 24,983,892 km (0.057 R)
• M19: 29,608,111 km (0.039 R)
• M20: 35,136,351 km (0.08 R)
• M21: 41,723,744 km (0.04 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 11,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit