🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.68 AU - 0.82 AU

Year: 203 Days

Day: 35.3 Hours

Environment

Temp: 242 °C

Axial Tilt: 1.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.03 AU - 1.37 AU

Year: 410 Days

Day: 34.8 Hours

Environment

Temp: 145 °C

Axial Tilt: 6.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.28 AU - 1.56 AU

Year: 528 Days

Day: 30.9 Hours

Environment

Temp: 89 °C

Axial Tilt: 145.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.43 AU - 2.31 AU

Year: 798 Days

Day: 30.3 Hours

Environment

Temp: 34 °C

Axial Tilt: 39.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 44,009,275 km

• M1: 557,850 km (0.062 R)
• M2: 823,835 km (0.078 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.09 AU - 3.23 AU

Year: 1354 Days

Day: 31.3 Hours

Environment

Temp: -35 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.41 AU - 3.87 AU

Year: 1736 Days

Day: 42 Hours

Environment

Temp: -51 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,009,275 km

• M1: 1,616,405 km (0.116 R)

Planet 7 - Terrestrial

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.35 AU - 6.55 AU

Year: 3970 Days

Day: 26.8 Hours

Environment

Temp: -102 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.76 AU - 7.64 AU

Year: 5412 Days

Day: 23.8 Hours

Environment

Temp: -112 °C

Axial Tilt: 26.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,009,275 km

• M1: 1,112,859 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 74.8

Radius: 7.2

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 16.28 AU - 22.48 AU

Year: 26623 Days

Day: 24.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 44,009,275 km

• M1: 115,190 km (0.118 R)
• M2: 317,746 km (0.066 R)
• M3: 427,850 km (0.072 R)
• M4: 734,974 km (0.087 R)
• M5: 920,476 km (0.118 R)
• M6: 1,295,218 km (0.05 R)
• M7: 1,520,214 km (0.037 R)
• M8: 1,583,793 km (0.026 R)
• M9: 1,735,784 km (0.114 R)
• M10: 1,847,235 km (0.091 R)
• M11: 2,053,829 km (0.057 R)
• M12: 2,341,057 km (0.087 R)
• M13: 2,514,591 km (0.08 R)
• M14: 2,795,685 km (0.058 R)
• M15: 3,168,034 km (0.088 R)
• M16: 3,415,619 km (0.112 R)
• M17: 4,285,979 km (0.085 R)
• M18: 4,683,461 km (0.118 R)
• M19: 4,902,472 km (0.036 R)
• M20: 5,979,427 km (0.051 R)
• M21: 6,354,319 km (0.104 R)
• M22: 6,877,613 km (0.093 R)
• M23: 7,414,818 km (0.111 R)
• M24: 8,151,887 km (0.111 R)
• M25: 9,734,782 km (0.112 R)
• M26: 9,934,196 km (0.068 R)
• M27: 10,745,316 km (0.093 R)
• M28: 11,409,381 km (0.085 R)
• M29: 12,044,125 km (0.073 R)
• M30: 12,172,480 km (0.084 R)
• M31: 12,690,238 km (0.114 R)
• M32: 13,171,195 km (0.099 R)
• M33: 13,303,439 km (0.1 R)
• M34: 14,196,090 km (0.096 R)
• M35: 14,331,626 km (0.07 R)
• M36: 14,422,282 km (0.041 R)
• M37: 15,061,813 km (0.102 R)
• M38: 15,385,243 km (0.094 R)
• M39: 15,477,994 km (0.111 R)
• M40: 16,085,661 km (0.082 R)
• M41: 16,227,031 km (0.101 R)
• M42: 16,558,390 km (0.088 R)
• M43: 16,940,014 km (0.112 R)
• M44: 18,494,785 km (0.098 R)
• M45: 18,741,771 km (0.088 R)
• M46: 18,840,954 km (0.112 R)
• M47: 19,439,346 km (0.054 R)
• M48: 19,740,935 km (0.108 R)
• M49: 20,297,738 km (0.103 R)
• M50: 20,399,614 km (0.071 R)
• M51: 20,705,991 km (0.104 R)
• M52: 20,859,777 km (0.088 R)
• M53: 21,065,475 km (0.081 R)
• M54: 21,427,053 km (0.076 R)
• M55: 21,530,724 km (0.094 R)
• M56: 22,051,474 km (0.066 R)
• M57: 22,313,420 km (0.118 R)
• M58: 23,211,905 km (0.1 R)
• M59: 23,853,081 km (0.094 R)
• M60: 23,906,787 km (0.12 R)
• M61: 24,122,058 km (0.102 R)
• M62: 24,391,933 km (0.093 R)
• M63: 25,207,690 km (0.067 R)
• M64: 26,032,423 km (0.1 R)
• M65: 26,253,828 km (0.105 R)
• M66: 26,921,932 km (0.119 R)
• M67: 27,539,173 km (0.101 R)
• M68: 27,708,218 km (0.076 R)
• M69: 28,047,656 km (0.052 R)
• M70: 28,161,051 km (0.105 R)
• M71: 29,418,720 km (0.11 R)
• M72: 29,649,400 km (0.107 R)
• M73: 29,996,467 km (0.098 R)
• M74: 30,928,612 km (0.098 R)
• M75: 31,045,747 km (0.059 R)
• M76: 31,280,616 km (0.099 R)
• M77: 31,692,907 km (0.069 R)
• M78: 32,642,106 km (0.093 R)
• M79: 33,781,443 km (0.106 R)
• M80: 34,023,044 km (0.106 R)
• M81: 34,872,760 km (0.066 R)
• M82: 37,401,562 km (0.038 R)
• M83: 37,713,922 km (0.106 R)
• M84: 38,782,650 km (0.083 R)
• M85: 39,035,470 km (0.079 R)
• M86: 40,500,183 km (0.054 R)
• M87: 41,723,744 km (0.05 R)
• M88: 42,959,422 km (0.114 R)
• M89: 43,548,987 km (0.108 R)
• M90: 43,680,334 km (0.112 R)

Kuiper Belt

Range: 35.1 - 52.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 491 - 18,532 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit