🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.41 AU - 0.63 AU

Year: 114 Days

Day: 17.6 Hours

Environment

Temp: 326 °C

Axial Tilt: 34.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 33,683,078 km

• M1: 48,769 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.82 AU - 1.04 AU

Year: 273 Days

Day: 47.6 Hours

Environment

Temp: 175 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 33,683,078 km

• M1: 38,297 km (0.097 R)
• M2: 331,958 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.92 AU - 0.98 AU

Year: 282 Days

Day: 36.2 Hours

Environment

Temp: 199 °C

Axial Tilt: 0.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 33,683,078 km

• M1: 426,952 km (0.105 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.03 AU - 1.05 AU

Year: 323 Days

Day: 42.6 Hours

Environment

Temp: 194 °C

Axial Tilt: 8.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.1 AU - 3.38 AU

Year: 1775 Days

Day: 37 Hours

Environment

Temp: -44 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.18 AU - 4.52 AU

Year: 2299 Days

Day: 38.6 Hours

Environment

Temp: -73 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.1 AU - 6.72 AU

Year: 4940 Days

Day: 39.1 Hours

Environment

Temp: -112 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 13.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.2

Radius: 10.6

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 10.73 AU - 16.55 AU

Year: 15333 Days

Day: 14.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 33,683,078 km

• M1: 137,331 km (0.118 R)
• M2: 223,350 km (0.106 R)
• M3: 333,454 km (0.038 R)
• M4: 843,433 km (0.056 R)
• M5: 972,685 km (0.109 R)
• M6: 1,108,969 km (0.118 R)
• M7: 1,350,570 km (0.113 R)
• M8: 1,556,267 km (0.082 R)
• M9: 1,663,080 km (0.103 R)
• M10: 1,744,910 km (0.069 R)
• M11: 1,969,755 km (0.106 R)
• M12: 2,056,672 km (0.102 R)
• M13: 2,416,903 km (0.076 R)
• M14: 3,793,652 km (0.09 R)
• M15: 4,049,465 km (0.069 R)
• M16: 4,462,953 km (0.077 R)
• M17: 4,811,367 km (0.026 R)
• M18: 5,951,302 km (0.09 R)
• M19: 6,595,172 km (0.09 R)
• M20: 6,682,686 km (0.104 R)
• M21: 10,285,302 km (0.087 R)
• M22: 10,745,615 km (0.104 R)
• M23: 11,056,180 km (0.094 R)
• M24: 11,369,737 km (0.044 R)
• M25: 12,382,216 km (0.119 R)
• M26: 12,817,097 km (0.028 R)
• M27: 13,146,511 km (0.067 R)
• M28: 14,095,261 km (0.028 R)
• M29: 14,549,291 km (0.097 R)
• M30: 15,471,861 km (0.081 R)
• M31: 15,822,668 km (0.068 R)
• M32: 16,235,408 km (0.092 R)
• M33: 16,890,946 km (0.069 R)
• M34: 17,252,225 km (0.086 R)
• M35: 17,433,837 km (0.092 R)
• M36: 17,737,969 km (0.081 R)
• M37: 18,413,104 km (0.108 R)
• M38: 21,847,572 km (0.096 R)
• M39: 23,168,821 km (0.111 R)
• M40: 23,503,172 km (0.087 R)
• M41: 24,788,218 km (0.117 R)
• M42: 25,888,061 km (0.094 R)
• M43: 27,285,156 km (0.081 R)
• M44: 27,355,616 km (0.101 R)
• M45: 27,426,226 km (0.08 R)
• M46: 29,354,094 km (0.06 R)
• M47: 30,152,049 km (0.089 R)
• M48: 30,224,903 km (0.114 R)
• M49: 31,325,345 km (0.109 R)
• M50: 32,140,654 km (0.096 R)
• M51: 33,113,189 km (0.084 R)
• M52: 33,867,911 km (0.092 R)
• M53: 35,394,407 km (0.089 R)
• M54: 36,709,373 km (0.113 R)
• M55: 37,255,555 km (0.055 R)
• M56: 38,197,872 km (0.106 R)
• M57: 38,513,822 km (0.09 R)
• M58: 39,148,267 km (0.025 R)
• M59: 40,588,296 km (0.093 R)
• M60: 41,801,535 km (0.102 R)
• M61: 41,882,766 km (0.03 R)
• M62: 42,127,060 km (0.119 R)
• M63: 42,290,121 km (0.072 R)
• M64: 43,437,687 km (0.053 R)
• M65: 45,011,307 km (0.115 R)
• M66: 46,772,223 km (0.097 R)
• M67: 47,703,619 km (0.032 R)
• M68: 48,983,579 km (0.113 R)
• M69: 49,326,756 km (0.102 R)
• M70: 50,188,290 km (0.097 R)
• M71: 50,707,694 km (0.106 R)
• M72: 51,228,744 km (0.072 R)
• M73: 53,066,553 km (0.102 R)
• M74: 54,481,301 km (0.101 R)
• M75: 56,267,050 km (0.04 R)
• M76: 57,528,460 km (0.096 R)
• M77: 58,526,128 km (0.095 R)
• M78: 58,708,039 km (0.114 R)
• M79: 58,981,504 km (0.102 R)
• M80: 60,079,103 km (0.081 R)
• M81: 60,814,676 km (0.082 R)
• M82: 61,460,789 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 23.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.6

Radius: 6.6

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 19.52 AU - 26.84 AU

Year: 33969 Days

Day: 21.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 33,683,078 km

• M1: 457,769 km (0.054 R)
• M2: 704,307 km (0.101 R)
• M3: 1,004,400 km (0.069 R)
• M4: 1,274,723 km (0.085 R)
• M5: 1,496,278 km (0.1 R)
• M6: 2,212,403 km (0.075 R)
• M7: 2,334,176 km (0.047 R)
• M8: 3,246,573 km (0.059 R)
• M9: 3,385,250 km (0.072 R)
• M10: 3,885,505 km (0.11 R)
• M11: 5,140,632 km (0.109 R)
• M12: 5,825,640 km (0.08 R)
• M13: 5,937,839 km (0.094 R)
• M14: 6,684,930 km (0.087 R)
• M15: 6,743,573 km (0.099 R)
• M16: 7,767,421 km (0.072 R)
• M17: 7,829,055 km (0.112 R)
• M18: 7,984,188 km (0.054 R)
• M19: 8,360,427 km (0.079 R)
• M20: 10,191,355 km (0.092 R)
• M21: 11,221,336 km (0.048 R)
• M22: 12,609,006 km (0.075 R)
• M23: 13,157,133 km (0.114 R)
• M24: 14,694,400 km (0.116 R)
• M25: 15,894,026 km (0.089 R)
• M26: 16,327,261 km (0.07 R)
• M27: 16,644,708 km (0.057 R)
• M28: 16,964,249 km (0.098 R)
• M29: 17,771,928 km (0.064 R)
• M30: 19,215,248 km (0.037 R)
• M31: 19,845,354 km (0.058 R)
• M32: 19,972,064 km (0.11 R)
• M33: 20,184,044 km (0.113 R)
• M34: 20,439,407 km (0.041 R)
• M35: 20,610,248 km (0.103 R)
• M36: 21,471,483 km (0.067 R)
• M37: 22,300,555 km (0.055 R)
• M38: 23,452,009 km (0.098 R)
• M39: 25,950,593 km (0.103 R)
• M40: 26,043,045 km (0.117 R)
• M41: 28,627,797 km (0.114 R)
• M42: 29,154,531 km (0.092 R)
• M43: 29,781,047 km (0.058 R)
• M44: 29,974,776 km (0.112 R)
• M45: 30,071,715 km (0.104 R)
• M46: 30,607,126 km (0.062 R)
• M47: 30,802,650 km (0.112 R)
• M48: 31,638,005 km (0.085 R)
• M49: 33,030,013 km (0.085 R)
• M50: 33,531,914 km (0.118 R)

Kuiper Belt

Range: 36 - 65 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 270 - 15,923 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit