🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.67 AU - 0.73 AU

Year: 215 Days

Day: 25.4 Hours

Environment

Temp: 142 °C

Axial Tilt: 47.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 71,811,153 km

• M1: 44,730 km (0.108 R)
• M2: 125,064 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.75 AU - 0.77 AU

Year: 243 Days

Day: 45.3 Hours

Environment

Temp: 136 °C

Axial Tilt: 33.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.09 AU - 1.33 AU

Year: 489 Days

Day: 31 Hours

Environment

Temp: 5 °C

Axial Tilt: 46.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 71,811,153 km

• M1: 361,578 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.37 AU - 1.61 AU

Year: 668 Days

Day: 20.6 Hours

Environment

Temp: -45 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,811,153 km

• M1: 80,184 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.35 AU - 1.79 AU

Year: 722 Days

Day: 39.1 Hours

Environment

Temp: -40 °C

Axial Tilt: 21.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,811,153 km

• M1: 778,657 km (0.093 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.36 AU - 3.2 AU

Year: 1702 Days

Day: 30.7 Hours

Environment

Temp: -101 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,811,153 km

• M1: 297,849 km (0.12 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.71 AU - 3.83 AU

Year: 2171 Days

Day: 13.6 Hours

Environment

Temp: -106 °C

Axial Tilt: 47.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,811,153 km

• M1: 815,308 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.6

Radius: 6

Gravity: 12.63 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 13.62 AU - 17.48 AU

Year: 22510 Days

Day: 17.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 71,811,153 km

• M1: 108,010 km (0.12 R)
• M2: 157,377 km (0.093 R)
• M3: 485,295 km (0.1 R)
• M4: 585,227 km (0.114 R)
• M5: 670,198 km (0.101 R)
• M6: 999,912 km (0.091 R)
• M7: 1,236,127 km (0.086 R)
• M8: 1,789,939 km (0.078 R)
• M9: 2,076,418 km (0.107 R)
• M10: 2,515,339 km (0.03 R)
• M11: 2,656,110 km (0.086 R)
• M12: 2,835,777 km (0.115 R)
• M13: 3,093,983 km (0.047 R)
• M14: 3,131,532 km (0.079 R)
• M15: 4,200,559 km (0.069 R)
• M16: 4,537,303 km (0.091 R)
• M17: 4,665,808 km (0.039 R)
• M18: 4,795,509 km (0.082 R)
• M19: 5,416,640 km (0.095 R)
• M20: 5,736,630 km (0.068 R)
• M21: 5,968,955 km (0.077 R)
• M22: 6,062,753 km (0.086 R)
• M23: 7,326,107 km (0.067 R)
• M24: 7,679,906 km (0.056 R)
• M25: 7,987,479 km (0.069 R)
• M26: 8,351,451 km (0.066 R)
• M27: 8,456,468 km (0.047 R)
• M28: 8,561,785 km (0.101 R)
• M29: 10,476,339 km (0.032 R)
• M30: 10,931,864 km (0.06 R)
• M31: 11,627,195 km (0.041 R)
• M32: 12,277,048 km (0.111 R)
• M33: 12,396,577 km (0.101 R)
• M34: 12,456,416 km (0.104 R)
• M35: 12,757,108 km (0.117 R)
• M36: 12,938,720 km (0.117 R)
• M37: 15,698,950 km (0.08 R)
• M38: 15,828,652 km (0.095 R)
• M39: 16,023,877 km (0.106 R)
• M40: 17,011,522 km (0.116 R)
• M41: 17,815,910 km (0.048 R)
• M42: 18,222,666 km (0.105 R)
• M43: 18,838,561 km (0.107 R)
• M44: 19,253,096 km (0.044 R)
• M45: 19,391,774 km (0.079 R)
• M46: 19,670,474 km (0.119 R)
• M47: 20,726,935 km (0.051 R)
• M48: 20,940,560 km (0.115 R)
• M49: 21,585,477 km (0.118 R)
• M50: 22,309,680 km (0.107 R)
• M51: 22,968,359 km (0.08 R)
• M52: 24,529,712 km (0.061 R)
• M53: 25,513,468 km (0.064 R)
• M54: 26,201,917 km (0.031 R)
• M55: 27,675,606 km (0.098 R)
• M56: 28,857,728 km (0.057 R)
• M57: 29,096,187 km (0.115 R)
• M58: 30,056,456 km (0.106 R)
• M59: 32,337,076 km (0.107 R)
• M60: 33,331,453 km (0.114 R)
• M61: 33,999,856 km (0.078 R)
• M62: 35,520,070 km (0.113 R)
• M63: 35,860,854 km (0.1 R)
• M64: 36,889,788 km (0.096 R)
• M65: 40,300,320 km (0.119 R)
• M66: 42,358,338 km (0.104 R)
• M67: 43,718,931 km (0.028 R)
• M68: 44,175,503 km (0.088 R)
• M69: 46,018,100 km (0.108 R)
• M70: 46,482,602 km (0.112 R)
• M71: 47,979,627 km (0.1 R)
• M72: 48,544,958 km (0.107 R)
• M73: 49,682,500 km (0.07 R)
• M74: 50,350,006 km (0.093 R)
• M75: 50,924,611 km (0.119 R)
• M76: 51,501,311 km (0.12 R)
• M77: 53,439,501 km (0.1 R)
• M78: 55,105,423 km (0.062 R)
• M79: 55,895,449 km (0.117 R)
• M80: 57,486,423 km (0.046 R)
• M81: 57,986,678 km (0.116 R)
• M82: 58,588,809 km (0.091 R)
• M83: 59,294,014 km (0.099 R)
• M84: 62,142,806 km (0.09 R)
• M85: 62,553,452 km (0.088 R)
• M86: 63,583,882 km (0.115 R)
• M87: 67,550,320 km (0.087 R)
• M88: 68,607,379 km (0.115 R)
• M89: 70,737,802 km (0.114 R)
• M90: 71,059,288 km (0.047 R)
• M91: 71,381,222 km (0.091 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 14,757 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit