🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.46 AU - 0.74 AU

Year: 166 Days

Day: 46.2 Hours

Environment

Temp: 251 °C

Axial Tilt: 8.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.6

Radius: 0.82

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.54 AU - 0.9 AU

Year: 218 Days

Day: 40.3 Hours

Environment

Temp: 139 °C

Axial Tilt: 4.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 65,153,670 km

• M1: 94,097 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.7 AU - 0.76 AU

Year: 222 Days

Day: 35.8 Hours

Environment

Temp: 163 °C

Axial Tilt: 11.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.1 AU - 1.66 AU

Year: 578 Days

Day: 25.8 Hours

Environment

Temp: 11 °C

Axial Tilt: 41 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.03 AU - 3.51 AU

Year: 2108 Days

Day: 27.9 Hours

Environment

Temp: -96 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,153,670 km

• M1: 1,458,729 km (0.066 R)

Asteroid Belt

Center: 7.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 12.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.6

Radius: 9.3

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 9.32 AU - 14.96 AU

Year: 15077 Days

Day: 13.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 65,153,670 km

• M1: 150,346 km (0.077 R)
• M2: 224,397 km (0.079 R)
• M3: 349,760 km (0.106 R)
• M4: 408,103 km (0.077 R)
• M5: 520,152 km (0.105 R)
• M6: 738,415 km (0.096 R)
• M7: 797,656 km (0.077 R)
• M8: 1,405,771 km (0.042 R)
• M9: 1,635,254 km (0.103 R)
• M10: 2,016,579 km (0.105 R)
• M11: 2,859,414 km (0.078 R)
• M12: 3,251,061 km (0.039 R)
• M13: 3,694,619 km (0.066 R)
• M14: 4,120,973 km (0.105 R)
• M15: 5,372,808 km (0.096 R)
• M16: 5,692,947 km (0.101 R)
• M17: 6,060,659 km (0.036 R)
• M18: 6,184,974 km (0.099 R)
• M19: 6,948,372 km (0.112 R)
• M20: 7,034,989 km (0.078 R)
• M21: 7,253,253 km (0.119 R)
• M22: 7,385,348 km (0.071 R)
• M23: 8,842,880 km (0.099 R)
• M24: 9,895,151 km (0.09 R)
• M25: 10,041,757 km (0.096 R)
• M26: 10,986,767 km (0.093 R)
• M27: 11,752,708 km (0.103 R)
• M28: 13,282,047 km (0.103 R)
• M29: 13,987,850 km (0.09 R)
• M30: 14,262,511 km (0.055 R)
• M31: 15,209,765 km (0.089 R)
• M32: 16,119,769 km (0.054 R)
• M33: 17,517,761 km (0.106 R)
• M34: 19,747,966 km (0.112 R)
• M35: 19,994,503 km (0.104 R)
• M36: 20,428,188 km (0.05 R)
• M37: 20,552,653 km (0.037 R)
• M38: 20,615,035 km (0.119 R)
• M39: 21,367,961 km (0.08 R)
• M40: 21,938,677 km (0.112 R)
• M41: 22,130,013 km (0.04 R)
• M42: 22,514,330 km (0.047 R)
• M43: 22,642,835 km (0.111 R)
• M44: 22,965,517 km (0.051 R)
• M45: 23,159,695 km (0.12 R)
• M46: 24,271,058 km (0.105 R)
• M47: 24,932,729 km (0.084 R)
• M48: 25,734,723 km (0.071 R)
• M49: 25,801,893 km (0.107 R)
• M50: 25,869,212 km (0.117 R)
• M51: 26,138,937 km (0.089 R)
• M52: 28,190,971 km (0.109 R)
• M53: 29,376,683 km (0.094 R)
• M54: 29,587,616 km (0.089 R)
• M55: 30,720,970 km (0.102 R)
• M56: 31,436,646 km (0.057 R)
• M57: 32,520,333 km (0.113 R)
• M58: 33,469,532 km (0.113 R)
• M59: 34,353,655 km (0.096 R)
• M60: 34,947,409 km (0.027 R)
• M61: 35,469,655 km (0.066 R)
• M62: 35,694,202 km (0.05 R)
• M63: 35,769,300 km (0.084 R)
• M64: 36,069,692 km (0.116 R)
• M65: 36,673,170 km (0.119 R)
• M66: 37,051,952 km (0.109 R)
• M67: 37,203,794 km (0.059 R)
• M68: 37,279,939 km (0.081 R)
• M69: 37,584,520 km (0.076 R)
• M70: 38,734,180 km (0.054 R)
• M71: 39,352,019 km (0.101 R)
• M72: 39,429,511 km (0.114 R)
• M73: 41,225,284 km (0.06 R)
• M74: 42,410,697 km (0.04 R)
• M75: 42,887,914 km (0.113 R)
• M76: 42,967,650 km (0.062 R)
• M77: 44,734,102 km (0.064 R)
• M78: 47,098,646 km (0.096 R)
• M79: 47,675,495 km (0.091 R)
• M80: 48,752,899 km (0.091 R)
• M81: 50,510,225 km (0.089 R)
• M82: 52,373,467 km (0.105 R)
• M83: 53,313,390 km (0.094 R)
• M84: 53,399,110 km (0.079 R)
• M85: 54,345,316 km (0.107 R)
• M86: 54,777,205 km (0.087 R)
• M87: 55,557,358 km (0.052 R)
• M88: 56,690,861 km (0.081 R)
• M89: 57,304,512 km (0.116 R)
• M90: 57,392,326 km (0.101 R)
• M91: 58,184,745 km (0.084 R)
• M92: 59,069,467 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.6

Radius: 3

Gravity: 39.4 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 12.11 AU - 19.15 AU

Year: 22026 Days

Day: 16.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 65,153,670 km

• M1: 67,618 km (0.118 R)
• M2: 410,048 km (0.118 R)
• M3: 809,474 km (0.073 R)
• M4: 994,377 km (0.079 R)
• M5: 1,141,432 km (0.088 R)
• M6: 1,269,188 km (0.117 R)
• M7: 1,566,290 km (0.063 R)
• M8: 2,413,014 km (0.116 R)
• M9: 2,676,755 km (0.111 R)
• M10: 3,231,464 km (0.049 R)
• M11: 3,820,281 km (0.043 R)
• M12: 3,972,571 km (0.029 R)
• M13: 4,521,147 km (0.065 R)
• M14: 4,682,264 km (0.115 R)
• M15: 4,845,176 km (0.046 R)
• M16: 5,687,711 km (0.106 R)
• M17: 6,081,303 km (0.077 R)
• M18: 6,348,485 km (0.045 R)
• M19: 7,173,068 km (0.118 R)
• M20: 8,079,332 km (0.089 R)
• M21: 8,323,775 km (0.119 R)
• M22: 8,521,095 km (0.064 R)
• M23: 9,633,504 km (0.06 R)
• M24: 10,049,087 km (0.091 R)
• M25: 12,437,567 km (0.075 R)
• M26: 13,578,251 km (0.116 R)
• M27: 13,810,427 km (0.083 R)
• M28: 15,290,698 km (0.097 R)
• M29: 15,350,986 km (0.119 R)
• M30: 15,471,711 km (0.101 R)
• M31: 15,592,736 km (0.063 R)
• M32: 17,007,184 km (0.067 R)
• M33: 18,977,537 km (0.098 R)
• M34: 19,628,437 km (0.11 R)
• M35: 20,818,189 km (0.053 R)
• M36: 21,018,800 km (0.117 R)
• M37: 21,489,285 km (0.116 R)
• M38: 21,827,526 km (0.104 R)
• M39: 22,235,629 km (0.091 R)
• M40: 24,243,532 km (0.091 R)
• M41: 24,524,925 km (0.087 R)
• M42: 26,887,973 km (0.056 R)
• M43: 27,179,240 km (0.082 R)
• M44: 27,912,120 km (0.08 R)
• M45: 29,998,562 km (0.051 R)
• M46: 30,376,296 km (0.108 R)
• M47: 30,831,822 km (0.098 R)
• M48: 31,749,455 km (0.089 R)
• M49: 31,826,349 km (0.083 R)
• M50: 32,134,520 km (0.083 R)
• M51: 33,846,817 km (0.055 R)
• M52: 36,954,264 km (0.109 R)
• M53: 37,440,308 km (0.109 R)
• M54: 38,173,487 km (0.054 R)
• M55: 40,151,470 km (0.083 R)
• M56: 41,740,947 km (0.092 R)
• M57: 42,331,560 km (0.11 R)
• M58: 43,350,770 km (0.101 R)
• M59: 43,436,041 km (0.067 R)
• M60: 44,120,302 km (0.112 R)
• M61: 44,894,471 km (0.117 R)
• M62: 45,153,574 km (0.116 R)
• M63: 46,893,098 km (0.108 R)
• M64: 47,683,125 km (0.114 R)
• M65: 48,565,902 km (0.109 R)
• M66: 52,060,209 km (0.067 R)
• M67: 52,150,865 km (0.043 R)
• M68: 52,696,000 km (0.085 R)
• M69: 54,250,471 km (0.117 R)
• M70: 54,710,634 km (0.082 R)
• M71: 55,171,994 km (0.038 R)
• M72: 55,541,949 km (0.059 R)
• M73: 56,470,653 km (0.108 R)
• M74: 57,310,795 km (0.098 R)
• M75: 58,626,059 km (0.101 R)
• M76: 60,236,331 km (0.099 R)
• M77: 60,999,130 km (0.058 R)
• M78: 61,381,802 km (0.067 R)
• M79: 63,985,104 km (0.107 R)
• M80: 64,082,193 km (0.064 R)
• M81: 64,471,147 km (0.06 R)
• M82: 64,958,387 km (0.117 R)

Kuiper Belt

Range: 30.8 - 58.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 10,936 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit