🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.68 AU - 0.78 AU

Year: 236 Days

Day: 46.6 Hours

Environment

Temp: 154 °C

Axial Tilt: 24.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.8 AU - 0.8 AU

Year: 271 Days

Day: 29.8 Hours

Environment

Temp: 108 °C

Axial Tilt: 23.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 26,020,194 km

• M1: 453,132 km (0.047 R)
• M2: 561,890 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.71 AU - 2.13 AU

Year: 1008 Days

Day: 17.8 Hours

Environment

Temp: -82 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.48 AU - 2.42 AU

Year: 1031 Days

Day: 22.3 Hours

Environment

Temp: -78 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2 AU - 2.04 AU

Year: 1087 Days

Day: 43.5 Hours

Environment

Temp: -73 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.35 AU - 2.71 AU

Year: 1524 Days

Day: 46.5 Hours

Environment

Temp: -94 °C

Axial Tilt: 5.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,020,194 km

• M1: 229,034 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.4

Radius: 10.4

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.9 AU - 4.94 AU

Year: 4133 Days

Day: 13.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 26,020,194 km

• M1: 163,361 km (0.111 R)
• M2: 231,727 km (0.071 R)
• M3: 306,227 km (0.117 R)
• M4: 376,538 km (0.096 R)
• M5: 960,418 km (0.11 R)
• M6: 1,086,829 km (0.079 R)
• M7: 1,259,913 km (0.099 R)
• M8: 1,413,550 km (0.111 R)
• M9: 1,500,167 km (0.114 R)
• M10: 2,123,093 km (0.073 R)
• M11: 2,189,514 km (0.082 R)
• M12: 2,290,493 km (0.099 R)
• M13: 2,393,117 km (0.101 R)
• M14: 2,550,045 km (0.082 R)
• M15: 2,966,526 km (0.076 R)
• M16: 3,365,653 km (0.105 R)
• M17: 3,822,375 km (0.086 R)
• M18: 3,944,896 km (0.11 R)
• M19: 4,362,424 km (0.091 R)
• M20: 4,860,136 km (0.088 R)
• M21: 4,948,548 km (0.067 R)
• M22: 5,398,688 km (0.064 R)
• M23: 5,513,430 km (0.084 R)
• M24: 5,862,142 km (0.119 R)
• M25: 6,098,656 km (0.032 R)
• M26: 6,170,314 km (0.073 R)
• M27: 6,338,462 km (0.085 R)
• M28: 6,901,548 km (0.12 R)
• M29: 7,001,180 km (0.064 R)
• M30: 7,101,261 km (0.09 R)
• M31: 7,176,659 km (0.119 R)
• M32: 7,302,770 km (0.089 R)
• M33: 7,506,372 km (0.103 R)
• M34: 7,971,023 km (0.109 R)
• M35: 8,128,101 km (0.103 R)
• M36: 8,233,268 km (0.114 R)
• M37: 8,471,727 km (0.06 R)
• M38: 8,551,762 km (0.076 R)
• M39: 9,173,491 km (0.044 R)
• M40: 9,255,620 km (0.079 R)
• M41: 9,448,452 km (0.109 R)
• M42: 9,531,329 km (0.118 R)
• M43: 9,978,178 km (0.092 R)
• M44: 10,979,287 km (0.073 R)
• M45: 11,447,678 km (0.035 R)
• M46: 12,282,883 km (0.09 R)
• M47: 12,525,082 km (0.114 R)
• M48: 12,768,926 km (0.113 R)
• M49: 13,076,051 km (0.117 R)
• M50: 13,168,502 km (0.079 R)
• M51: 13,541,150 km (0.118 R)
• M52: 13,885,674 km (0.067 R)
• M53: 14,264,905 km (0.098 R)
• M54: 14,936,599 km (0.07 R)
• M55: 15,947,133 km (0.072 R)
• M56: 16,778,000 km (0.07 R)
• M57: 16,878,679 km (0.071 R)
• M58: 17,181,914 km (0.118 R)
• M59: 17,520,903 km (0.076 R)
• M60: 18,067,982 km (0.115 R)
• M61: 18,447,362 km (0.077 R)
• M62: 18,794,429 km (0.093 R)
• M63: 19,284,063 km (0.12 R)
• M64: 19,354,374 km (0.119 R)
• M65: 19,813,340 km (0.029 R)
• M66: 19,884,250 km (0.094 R)
• M67: 20,240,293 km (0.119 R)
• M68: 20,958,512 km (0.11 R)
• M69: 21,357,041 km (0.091 R)
• M70: 21,611,956 km (0.07 R)
• M71: 22,161,728 km (0.119 R)
• M72: 22,272,131 km (0.082 R)
• M73: 22,939,038 km (0.062 R)
• M74: 23,125,437 km (0.116 R)
• M75: 23,763,023 km (0.118 R)
• M76: 24,292,301 km (0.07 R)
• M77: 24,444,292 km (0.048 R)
• M78: 24,787,470 km (0.029 R)
• M79: 25,478,462 km (0.083 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: 498 - 20,006 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit