🌌 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: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.52 AU - 0.68 AU

Year: 172 Days

Day: 12.3 Hours

Environment

Temp: 163 °C

Axial Tilt: 22 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 69,415,263 km

• M1: 241,900 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.68 AU - 0.88 AU

Year: 255 Days

Day: 25.8 Hours

Environment

Temp: 126 °C

Axial Tilt: 38.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.95 AU - 1.11 AU

Year: 388 Days

Day: 44.4 Hours

Environment

Temp: 28 °C

Axial Tilt: 36.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 69,415,263 km

• M1: 39,494 km (0.114 R)
• M2: 213,177 km (0.079 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.64

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.98 AU - 1.14 AU

Year: 405 Days

Day: 31.8 Hours

Environment

Temp: 7 °C

Axial Tilt: 99.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 69,415,263 km

• M1: 645,365 km (0.095 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.56 AU - 1.84 AU

Year: 822 Days

Day: 20.4 Hours

Environment

Temp: -50 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,415,263 km

• M1: 1,125,126 km (0.099 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.44 AU - 2.02 AU

Year: 844 Days

Day: 31.4 Hours

Environment

Temp: -48 °C

Axial Tilt: 97.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,415,263 km

• M1: 445,652 km (0.045 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2 AU - 2.42 AU

Year: 1218 Days

Day: 44.1 Hours

Environment

Temp: -87 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 69,415,263 km

• M1: 217,964 km (0.057 R)
• M2: 1,575,714 km (0.094 R)

Planet 8 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.61 AU - 2.65 AU

Year: 1582 Days

Day: 31.1 Hours

Environment

Temp: -88 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.12 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.4

Radius: 13.8

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.58 AU - 5.64 AU

Year: 4928 Days

Day: 14.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 69,415,263 km

• M1: 191,485 km (0.076 R)
• M2: 311,014 km (0.088 R)
• M3: 408,552 km (0.041 R)
• M4: 565,929 km (0.1 R)
• M5: 678,277 km (0.086 R)
• M6: 1,090,419 km (0.097 R)
• M7: 1,211,743 km (0.089 R)
• M8: 1,299,706 km (0.085 R)
• M9: 1,702,125 km (0.056 R)
• M10: 1,801,757 km (0.074 R)
• M11: 1,932,954 km (0.084 R)
• M12: 2,174,255 km (0.119 R)
• M13: 2,346,143 km (0.107 R)
• M14: 2,506,363 km (0.109 R)
• M15: 3,026,515 km (0.101 R)
• M16: 3,219,346 km (0.082 R)
• M17: 3,507,172 km (0.114 R)
• M18: 3,617,426 km (0.077 R)
• M19: 3,803,675 km (0.054 R)
• M20: 4,205,196 km (0.096 R)
• M21: 4,421,066 km (0.067 R)
• M22: 4,620,629 km (0.054 R)
• M23: 4,946,005 km (0.1 R)
• M24: 5,258,066 km (0.106 R)
• M25: 5,533,625 km (0.096 R)
• M26: 5,945,169 km (0.104 R)
• M27: 6,752,249 km (0.079 R)
• M28: 7,029,006 km (0.052 R)
• M29: 7,380,112 km (0.107 R)
• M30: 7,593,738 km (0.111 R)
• M31: 7,954,119 km (0.112 R)
• M32: 8,642,119 km (0.101 R)
• M33: 9,297,956 km (0.103 R)
• M34: 9,761,560 km (0.032 R)
• M35: 9,969,950 km (0.077 R)
• M36: 10,100,998 km (0.055 R)
• M37: 10,417,996 km (0.112 R)
• M38: 10,684,579 km (0.034 R)
• M39: 11,170,174 km (0.108 R)
• M40: 11,388,288 km (0.09 R)
• M41: 11,856,529 km (0.11 R)
• M42: 12,162,905 km (0.108 R)
• M43: 12,726,740 km (0.111 R)
• M44: 12,840,584 km (0.111 R)
• M45: 13,704,811 km (0.1 R)
• M46: 14,291,384 km (0.12 R)
• M47: 14,439,336 km (0.052 R)
• M48: 14,647,427 km (0.113 R)
• M49: 14,856,415 km (0.114 R)
• M50: 15,036,381 km (0.049 R)
• M51: 15,307,602 km (0.115 R)
• M52: 15,702,241 km (0.109 R)
• M53: 15,885,648 km (0.105 R)
• M54: 16,657,125 km (0.087 R)
• M55: 16,875,238 km (0.064 R)
• M56: 17,063,133 km (0.118 R)
• M57: 17,598,993 km (0.046 R)
• M58: 17,884,874 km (0.086 R)
• M59: 18,172,401 km (0.103 R)
• M60: 19,109,183 km (0.036 R)
• M61: 19,501,429 km (0.099 R)
• M62: 20,527,072 km (0.1 R)
• M63: 21,130,699 km (0.074 R)
• M64: 21,570,367 km (0.086 R)
• M65: 21,808,228 km (0.088 R)
• M66: 22,115,502 km (0.096 R)
• M67: 23,289,097 km (0.105 R)
• M68: 23,428,523 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.2

Radius: 4.1

Gravity: 25.47 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 12.23 AU - 18.23 AU

Year: 22042 Days

Day: 17.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 69,415,263 km

• M1: 178,470 km (0.114 R)
• M2: 626,815 km (0.069 R)
• M3: 994,975 km (0.096 R)
• M4: 1,121,834 km (0.1 R)
• M5: 1,447,359 km (0.106 R)
• M6: 2,179,043 km (0.104 R)
• M7: 2,720,886 km (0.069 R)
• M8: 3,079,771 km (0.066 R)
• M9: 3,190,324 km (0.097 R)
• M10: 3,377,621 km (0.071 R)
• M11: 3,415,469 km (0.106 R)
• M12: 3,491,614 km (0.094 R)
• M13: 3,684,446 km (0.074 R)
• M14: 3,762,686 km (0.091 R)
• M15: 3,960,454 km (0.072 R)
• M16: 4,657,879 km (0.114 R)
• M17: 4,955,878 km (0.111 R)
• M18: 5,085,580 km (0.09 R)
• M19: 5,615,156 km (0.104 R)
• M20: 6,678,647 km (0.052 R)
• M21: 7,111,284 km (0.099 R)
• M22: 7,404,795 km (0.113 R)
• M23: 8,514,213 km (0.047 R)
• M24: 8,721,556 km (0.119 R)
• M25: 9,406,565 km (0.064 R)
• M26: 10,163,380 km (0.112 R)
• M27: 10,493,692 km (0.107 R)
• M28: 11,448,725 km (0.057 R)
• M29: 11,677,460 km (0.092 R)
• M30: 12,023,330 km (0.107 R)
• M31: 12,197,462 km (0.119 R)
• M32: 12,489,777 km (0.104 R)
• M33: 13,021,447 km (0.036 R)
• M34: 13,802,648 km (0.119 R)
• M35: 13,985,007 km (0.087 R)
• M36: 15,096,071 km (0.063 R)
• M37: 15,725,579 km (0.065 R)
• M38: 17,796,761 km (0.113 R)
• M39: 20,089,199 km (0.106 R)
• M40: 20,158,014 km (0.097 R)
• M41: 20,503,286 km (0.118 R)
• M42: 21,059,790 km (0.12 R)
• M43: 21,410,148 km (0.108 R)
• M44: 21,550,770 km (0.076 R)
• M45: 22,615,608 km (0.07 R)
• M46: 22,974,343 km (0.113 R)
• M47: 24,208,077 km (0.061 R)
• M48: 25,463,054 km (0.118 R)
• M49: 25,537,553 km (0.069 R)
• M50: 27,805,607 km (0.119 R)
• M51: 28,498,544 km (0.085 R)
• M52: 29,353,047 km (0.057 R)
• M53: 29,509,377 km (0.108 R)
• M54: 30,137,239 km (0.109 R)
• M55: 31,007,749 km (0.101 R)
• M56: 31,166,921 km (0.083 R)
• M57: 31,565,899 km (0.025 R)
• M58: 31,726,118 km (0.036 R)
• M59: 32,449,873 km (0.098 R)
• M60: 33,423,455 km (0.116 R)
• M61: 34,571,320 km (0.104 R)
• M62: 35,316,018 km (0.111 R)
• M63: 36,233,502 km (0.056 R)
• M64: 36,484,976 km (0.075 R)
• M65: 36,989,869 km (0.075 R)
• M66: 39,290,235 km (0.059 R)
• M67: 39,894,012 km (0.101 R)
• M68: 40,153,864 km (0.109 R)
• M69: 43,225,407 km (0.111 R)
• M70: 45,194,564 km (0.041 R)
• M71: 47,559,108 km (0.12 R)
• M72: 47,742,664 km (0.103 R)
• M73: 49,405,146 km (0.081 R)
• M74: 49,870,245 km (0.066 R)
• M75: 50,149,993 km (0.053 R)
• M76: 51,368,468 km (0.036 R)
• M77: 52,786,506 km (0.084 R)
• M78: 52,976,496 km (0.098 R)
• M79: 54,313,153 km (0.113 R)
• M80: 54,505,087 km (0.079 R)
• M81: 56,630,274 km (0.108 R)
• M82: 57,703,040 km (0.064 R)
• M83: 59,176,579 km (0.111 R)
• M84: 60,364,386 km (0.118 R)
• M85: 60,861,500 km (0.112 R)
• M86: 61,460,041 km (0.064 R)
• M87: 61,759,985 km (0.067 R)
• M88: 63,065,376 km (0.101 R)
• M89: 63,873,354 km (0.042 R)
• M90: 64,278,465 km (0.094 R)
• M91: 65,397,308 km (0.083 R)
• M92: 66,522,433 km (0.115 R)
• M93: 68,377,447 km (0.113 R)
• M94: 69,103,296 km (0.115 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 17,167 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit