🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.68 AU - 0.68 AU

Year: 210 Days

Day: 19.5 Hours

Environment

Temp: 108 °C

Axial Tilt: 9.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,760,274 km

• M1: 178,021 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.99 AU - 1.49 AU

Year: 517 Days

Day: 22.3 Hours

Environment

Temp: -10 °C

Axial Tilt: 27 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 39,760,274 km

• M1: 231,877 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.03 AU - 2.37 AU

Year: 1223 Days

Day: 29.1 Hours

Environment

Temp: -82 °C

Axial Tilt: 41.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.86 AU - 2.84 AU

Year: 1350 Days

Day: 15.5 Hours

Environment

Temp: -93 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.39 AU - 3.79 AU

Year: 2549 Days

Day: 29.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 38.3 °

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 6 - Gas Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.3

Radius: 14.5

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.3 AU - 8.42 AU

Year: 7482 Days

Day: 9.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,760,274 km

• M1: 180,265 km (0.108 R)
• M2: 1,021,155 km (0.116 R)
• M3: 1,939,536 km (0.082 R)
• M4: 3,122,257 km (0.044 R)
• M5: 4,493,621 km (0.081 R)
• M6: 5,090,068 km (0.069 R)
• M7: 5,739,023 km (0.088 R)
• M8: 6,235,987 km (0.102 R)
• M9: 6,761,824 km (0.104 R)
• M10: 7,664,946 km (0.091 R)
• M11: 8,562,234 km (0.051 R)
• M12: 9,757,970 km (0.041 R)
• M13: 10,862,002 km (0.072 R)
• M14: 11,730,567 km (0.034 R)
• M15: 12,589,708 km (0.081 R)
• M16: 14,075,065 km (0.091 R)
• M17: 14,983,573 km (0.064 R)
• M18: 16,985,043 km (0.068 R)
• M19: 20,275,149 km (0.106 R)
• M20: 20,733,666 km (0.086 R)
• M21: 23,296,727 km (0.082 R)
• M22: 24,568,010 km (0.058 R)
• M23: 32,245,372 km (0.058 R)
• M24: 33,716,966 km (0.084 R)
• M25: 34,686,361 km (0.106 R)
• M26: 35,785,157 km (0.083 R)
• M27: 38,633,800 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.8

Radius: 12.6

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.63 AU - 7.97 AU

Year: 8163 Days

Day: 5.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,760,274 km

• M1: 156,779 km (0.094 R)
• M2: 659,128 km (0.091 R)
• M3: 1,608,476 km (0.073 R)
• M4: 2,001,620 km (0.091 R)
• M5: 2,473,601 km (0.112 R)
• M6: 3,331,096 km (0.075 R)
• M7: 6,343,548 km (0.032 R)
• M8: 7,731,517 km (0.083 R)
• M9: 11,412,971 km (0.077 R)
• M10: 12,892,045 km (0.089 R)
• M11: 13,901,532 km (0.043 R)
• M12: 14,634,561 km (0.104 R)
• M13: 17,091,856 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120.5

Radius: 5.5

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 11.07 AU - 15.37 AU

Year: 18013 Days

Day: 24.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,760,274 km

• M1: 76,145 km (0.077 R)
• M2: 420,520 km (0.097 R)
• M3: 1,006,644 km (0.051 R)
• M4: 1,520,962 km (0.079 R)
• M5: 2,646,985 km (0.073 R)
• M6: 3,542,627 km (0.119 R)
• M7: 5,714,040 km (0.096 R)
• M8: 6,529,049 km (0.101 R)
• M9: 7,265,370 km (0.105 R)
• M10: 8,220,253 km (0.083 R)
• M11: 10,279,468 km (0.106 R)
• M12: 12,113,538 km (0.091 R)
• M13: 16,022,381 km (0.088 R)
• M14: 19,342,257 km (0.073 R)
• M15: 24,616,629 km (0.095 R)
• M16: 28,907,395 km (0.103 R)
• M17: 29,100,376 km (0.084 R)
• M18: 30,976,034 km (0.094 R)
• M19: 33,777,853 km (0.092 R)
• M20: 34,099,189 km (0.042 R)
• M21: 36,970,571 km (0.119 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 11,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit