🌌 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: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.58 AU - 0.92 AU

Year: 229 Days

Day: 25.3 Hours

Environment

Temp: 182 °C

Axial Tilt: 20.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 12,320,768 km

• M1: 387,159 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.72 AU - 0.86 AU

Year: 248 Days

Day: 31.4 Hours

Environment

Temp: 184 °C

Axial Tilt: 137.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.46 AU - 1.58 AU

Year: 662 Days

Day: 22.1 Hours

Environment

Temp: -5 °C

Axial Tilt: 9.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.08 AU - 2.84 AU

Year: 1362 Days

Day: 46.9 Hours

Environment

Temp: -82 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.74 AU - 3.34 AU

Year: 1872 Days

Day: 41.9 Hours

Environment

Temp: -96 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 12,320,768 km

• M1: 1,503,309 km (0.118 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.38 AU - 3.88 AU

Year: 1955 Days

Day: 47.7 Hours

Environment

Temp: -99 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 12,320,768 km

• M1: 633,846 km (0.106 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.72 AU - 3.62 AU

Year: 1993 Days

Day: 37 Hours

Environment

Temp: -87 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.66 AU - 5.1 AU

Year: 3807 Days

Day: 47.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.2

Radius: 11.9

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.36 AU - 9.24 AU

Year: 7692 Days

Day: 10.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 12,320,768 km

• M1: 154,535 km (0.113 R)
• M2: 1,059,452 km (0.059 R)
• M3: 1,233,434 km (0.116 R)
• M4: 1,342,491 km (0.103 R)
• M5: 1,493,286 km (0.037 R)
• M6: 1,570,927 km (0.073 R)
• M7: 2,087,489 km (0.064 R)
• M8: 2,241,425 km (0.091 R)
• M9: 2,919,552 km (0.103 R)
• M10: 3,092,487 km (0.106 R)
• M11: 3,192,718 km (0.079 R)
• M12: 3,294,295 km (0.099 R)
• M13: 3,658,117 km (0.104 R)
• M14: 3,764,481 km (0.089 R)
• M15: 4,481,055 km (0.084 R)
• M16: 5,031,276 km (0.118 R)
• M17: 5,390,011 km (0.104 R)
• M18: 5,633,856 km (0.113 R)
• M19: 5,819,058 km (0.087 R)
• M20: 6,515,586 km (0.097 R)
• M21: 6,906,784 km (0.065 R)
• M22: 7,272,102 km (0.117 R)
• M23: 7,473,910 km (0.069 R)
• M24: 7,952,324 km (0.087 R)
• M25: 8,760,003 km (0.047 R)
• M26: 9,011,028 km (0.056 R)
• M27: 9,155,539 km (0.071 R)
• M28: 9,667,314 km (0.089 R)
• M29: 9,815,266 km (0.105 R)
• M30: 10,795,431 km (0.033 R)
• M31: 11,609,692 km (0.063 R)
• M32: 11,846,057 km (0.114 R)
• M33: 12,403,758 km (0.09 R)
• M34: 12,807,223 km (0.096 R)
• M35: 13,793,372 km (0.052 R)
• M36: 14,043,799 km (0.101 R)
• M37: 14,422,132 km (0.04 R)
• M38: 16,056,639 km (0.069 R)
• M39: 16,144,303 km (0.074 R)
• M40: 16,276,099 km (0.097 R)
• M41: 16,452,325 km (0.067 R)
• M42: 17,119,083 km (0.046 R)
• M43: 17,478,267 km (0.12 R)
• M44: 18,432,851 km (0.027 R)
• M45: 18,524,704 km (0.036 R)
• M46: 18,939,689 km (0.08 R)
• M47: 19,078,665 km (0.106 R)
• M48: 19,731,959 km (0.098 R)
• M49: 20,061,374 km (0.115 R)
• M50: 21,735,673 km (0.069 R)
• M51: 22,810,833 km (0.066 R)
• M52: 23,057,520 km (0.103 R)
• M53: 23,454,253 km (0.064 R)
• M54: 23,553,886 km (0.107 R)
• M55: 23,903,346 km (0.057 R)
• M56: 24,153,923 km (0.084 R)
• M57: 24,911,187 km (0.067 R)
• M58: 25,012,764 km (0.054 R)
• M59: 25,932,940 km (0.11 R)
• M60: 26,500,814 km (0.057 R)
• M61: 27,229,356 km (0.078 R)
• M62: 28,972,919 km (0.102 R)
• M63: 29,293,806 km (0.11 R)
• M64: 31,902,943 km (0.041 R)
• M65: 32,289,653 km (0.107 R)
• M66: 32,400,356 km (0.107 R)
• M67: 32,733,360 km (0.105 R)
• M68: 32,844,661 km (0.064 R)
• M69: 33,179,312 km (0.086 R)
• M70: 33,291,061 km (0.064 R)
• M71: 34,982,864 km (0.074 R)
• M72: 35,096,558 km (0.114 R)
• M73: 35,210,552 km (0.084 R)
• M74: 35,381,542 km (0.082 R)
• M75: 36,760,236 km (0.075 R)
• M76: 37,049,558 km (0.03 R)
• M77: 37,165,646 km (0.073 R)
• M78: 37,980,805 km (0.093 R)
• M79: 38,507,988 km (0.095 R)
• M80: 38,625,572 km (0.071 R)
• M81: 39,155,747 km (0.096 R)

Planet 10 - Gas Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.6

Radius: 10.8

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.28 AU - 10.32 AU

Year: 10014 Days

Day: 14.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 12,320,768 km

• M1: 146,456 km (0.1 R)
• M2: 231,877 km (0.106 R)
• M3: 313,408 km (0.091 R)
• M4: 463,305 km (0.104 R)
• M5: 591,061 km (0.069 R)
• M6: 885,171 km (0.036 R)
• M7: 980,913 km (0.094 R)
• M8: 1,315,414 km (0.106 R)
• M9: 1,400,386 km (0.071 R)
• M10: 1,513,781 km (0.06 R)
• M11: 1,740,571 km (0.044 R)
• M12: 1,959,283 km (0.112 R)
• M13: 2,227,512 km (0.106 R)
• M14: 2,309,342 km (0.076 R)
• M15: 2,668,527 km (0.107 R)
• M16: 2,744,672 km (0.088 R)
• M17: 3,463,191 km (0.075 R)
• M18: 4,809,871 km (0.059 R)
• M19: 5,145,718 km (0.063 R)
• M20: 5,351,116 km (0.11 R)
• M21: 5,699,230 km (0.103 R)
• M22: 5,968,805 km (0.092 R)
• M23: 6,098,058 km (0.077 R)
• M24: 6,184,675 km (0.111 R)
• M25: 7,424,991 km (0.113 R)
• M26: 8,128,999 km (0.092 R)
• M27: 8,240,300 km (0.089 R)
• M28: 8,432,533 km (0.066 R)
• M29: 8,610,105 km (0.073 R)
• M30: 9,084,181 km (0.101 R)
• M31: 9,216,426 km (0.115 R)
• M32: 9,921,331 km (0.048 R)
• M33: 10,263,012 km (0.116 R)
• M34: 10,608,733 km (0.104 R)
• M35: 10,783,015 km (0.111 R)
• M36: 11,993,261 km (0.117 R)
• M37: 12,120,270 km (0.108 R)

Kuiper Belt

Range: 31.1 - 56.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 12,992 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit