🌌 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: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.68 AU - 0.78 AU

Year: 236 Days

Day: 22.6 Hours

Environment

Temp: 149 °C

Axial Tilt: 27.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.62 AU - 1 AU

Year: 276 Days

Day: 40.5 Hours

Environment

Temp: 81 °C

Axial Tilt: 42.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 57,304,362 km

• M1: 332,107 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.82 AU - 0.82 AU

Year: 281 Days

Day: 39.7 Hours

Environment

Temp: 127 °C

Axial Tilt: 9.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.84 AU - 1.02 AU

Year: 340 Days

Day: 20.7 Hours

Environment

Temp: 25 °C

Axial Tilt: 38.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.95 AU - 0.95 AU

Year: 351 Days

Day: 17.8 Hours

Environment

Temp: 25 °C

Axial Tilt: 43 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.94 AU - 1 AU

Year: 362 Days

Day: 34.7 Hours

Environment

Temp: 7 °C

Axial Tilt: 15.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 7 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.86 AU - 1.26 AU

Year: 413 Days

Day: 39.9 Hours

Environment

Temp: 10 °C

Axial Tilt: 2.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 8 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.07 AU - 1.73 AU

Year: 627 Days

Day: 37.2 Hours

Environment

Temp: -33 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Ice Giant

Semi-Major Axis: 13.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 328.7

Radius: 7.5

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 11.77 AU - 15.31 AU

Year: 18870 Days

Day: 21.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 57,304,362 km

• M1: 113,545 km (0.113 R)
• M2: 267,331 km (0.103 R)
• M3: 375,790 km (0.114 R)
• M4: 713,881 km (0.109 R)
• M5: 913,145 km (0.084 R)
• M6: 1,063,342 km (0.103 R)
• M7: 1,412,204 km (0.099 R)
• M8: 1,536,071 km (0.089 R)
• M9: 2,012,091 km (0.048 R)
• M10: 2,208,962 km (0.088 R)
• M11: 2,501,276 km (0.069 R)
• M12: 2,805,858 km (0.09 R)
• M13: 3,026,215 km (0.093 R)
• M14: 3,584,515 km (0.09 R)
• M15: 4,389,800 km (0.09 R)
• M16: 4,794,013 km (0.104 R)
• M17: 5,599,000 km (0.03 R)
• M18: 5,956,688 km (0.029 R)
• M19: 6,486,414 km (0.051 R)
• M20: 6,819,868 km (0.073 R)
• M21: 6,988,764 km (0.1 R)
• M22: 7,159,006 km (0.06 R)
• M23: 7,721,793 km (0.093 R)
• M24: 8,253,913 km (0.073 R)
• M25: 8,615,192 km (0.118 R)
• M26: 8,797,851 km (0.041 R)
• M27: 8,889,704 km (0.118 R)
• M28: 9,353,308 km (0.113 R)
• M29: 9,400,132 km (0.091 R)
• M30: 9,635,449 km (0.117 R)
• M31: 9,920,134 km (0.109 R)
• M32: 10,595,568 km (0.037 R)
• M33: 10,791,242 km (0.081 R)
• M34: 11,285,663 km (0.038 R)
• M35: 11,636,321 km (0.086 R)
• M36: 11,838,128 km (0.054 R)
• M37: 12,347,958 km (0.094 R)
• M38: 12,969,387 km (0.116 R)
• M39: 13,441,967 km (0.086 R)
• M40: 13,813,568 km (0.096 R)
• M41: 14,134,605 km (0.085 R)
• M42: 14,675,402 km (0.11 R)
• M43: 14,893,515 km (0.064 R)
• M44: 15,057,923 km (0.028 R)
• M45: 16,112,588 km (0.037 R)
• M46: 16,225,086 km (0.038 R)
• M47: 16,337,733 km (0.094 R)
• M48: 16,507,227 km (0.072 R)
• M49: 16,734,167 km (0.117 R)
• M50: 19,536,734 km (0.103 R)
• M51: 20,991,573 km (0.058 R)
• M52: 21,422,415 km (0.056 R)
• M53: 22,921,835 km (0.048 R)
• M54: 22,985,114 km (0.057 R)
• M55: 24,197,007 km (0.057 R)
• M56: 24,973,121 km (0.096 R)
• M57: 25,103,271 km (0.116 R)
• M58: 26,086,577 km (0.096 R)
• M59: 26,682,575 km (0.101 R)
• M60: 27,417,101 km (0.067 R)
• M61: 27,551,440 km (0.114 R)
• M62: 28,090,740 km (0.058 R)
• M63: 28,293,744 km (0.098 R)
• M64: 28,497,347 km (0.058 R)
• M65: 28,565,414 km (0.07 R)
• M66: 28,701,548 km (0.045 R)
• M67: 29,729,286 km (0.075 R)
• M68: 34,247,889 km (0.074 R)
• M69: 36,364,699 km (0.096 R)
• M70: 38,073,406 km (0.078 R)
• M71: 38,448,448 km (0.09 R)
• M72: 38,749,289 km (0.097 R)
• M73: 40,417,605 km (0.105 R)
• M74: 40,570,494 km (0.106 R)
• M75: 41,800,188 km (0.092 R)
• M76: 42,186,899 km (0.107 R)
• M77: 42,419,523 km (0.07 R)
• M78: 42,574,956 km (0.074 R)
• M79: 42,964,060 km (0.053 R)
• M80: 43,667,469 km (0.107 R)
• M81: 43,745,858 km (0.095 R)
• M82: 47,321,846 km (0.091 R)
• M83: 48,940,943 km (0.091 R)
• M84: 50,660,571 km (0.082 R)
• M85: 50,742,999 km (0.062 R)
• M86: 51,983,914 km (0.035 R)
• M87: 52,067,090 km (0.075 R)
• M88: 53,318,775 km (0.065 R)
• M89: 53,402,550 km (0.084 R)
• M90: 53,570,250 km (0.115 R)
• M91: 53,822,172 km (0.073 R)
• M92: 53,906,246 km (0.107 R)
• M93: 55,003,098 km (0.113 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 18,614 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit