🌌 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: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.41 AU - 0.63 AU

Year: 134 Days

Day: 40.5 Hours

Environment

Temp: 224 °C

Axial Tilt: 43.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.52 AU - 0.78 AU

Year: 188 Days

Day: 37.7 Hours

Environment

Temp: 176 °C

Axial Tilt: 12.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,197,512 km

• M1: 398,678 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.77 AU - 0.79 AU

Year: 247 Days

Day: 26.1 Hours

Environment

Temp: 172 °C

Axial Tilt: 46.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.72 AU - 1.04 AU

Year: 296 Days

Day: 21.8 Hours

Environment

Temp: 125 °C

Axial Tilt: 6.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.61 AU - 3.81 AU

Year: 2060 Days

Day: 44.6 Hours

Environment

Temp: -99 °C

Axial Tilt: 49.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.6

Radius: 11

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.99 AU - 5.63 AU

Year: 4382 Days

Day: 5.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 47,197,512 km

• M1: 169,494 km (0.106 R)
• M2: 239,506 km (0.027 R)
• M3: 325,525 km (0.118 R)
• M4: 434,731 km (0.055 R)
• M5: 771,476 km (0.055 R)
• M6: 848,370 km (0.116 R)
• M7: 1,010,683 km (0.085 R)
• M8: 1,150,408 km (0.082 R)
• M9: 1,402,330 km (0.046 R)
• M10: 1,474,137 km (0.049 R)
• M11: 1,547,291 km (0.1 R)
• M12: 1,722,919 km (0.049 R)
• M13: 1,800,261 km (0.107 R)
• M14: 2,218,985 km (0.074 R)
• M15: 2,375,016 km (0.081 R)
• M16: 2,534,637 km (0.115 R)
• M17: 2,653,118 km (0.104 R)
• M18: 2,818,873 km (0.114 R)
• M19: 3,035,042 km (0.086 R)
• M20: 3,321,073 km (0.105 R)
• M21: 3,615,930 km (0.108 R)
• M22: 3,936,369 km (0.106 R)
• M23: 4,074,148 km (0.11 R)
• M24: 4,301,388 km (0.075 R)
• M25: 4,623,023 km (0.115 R)
• M26: 4,952,587 km (0.05 R)
• M27: 5,308,780 km (0.106 R)
• M28: 5,423,072 km (0.104 R)
• M29: 5,615,156 km (0.093 R)
• M30: 6,026,251 km (0.089 R)
• M31: 6,285,654 km (0.052 R)
• M32: 6,609,982 km (0.099 R)
• M33: 6,774,091 km (0.03 R)
• M34: 7,296,038 km (0.108 R)
• M35: 7,615,429 km (0.113 R)
• M36: 7,722,990 km (0.108 R)
• M37: 7,939,458 km (0.118 R)
• M38: 8,092,347 km (0.082 R)
• M39: 8,312,256 km (0.099 R)
• M40: 8,713,178 km (0.063 R)
• M41: 8,961,361 km (0.044 R)
• M42: 9,097,645 km (0.115 R)
• M43: 9,580,397 km (0.119 R)
• M44: 9,766,347 km (0.057 R)
• M45: 9,953,644 km (0.098 R)
• M46: 10,189,410 km (0.082 R)
• M47: 10,811,139 km (0.113 R)
• M48: 11,396,067 km (0.112 R)
• M49: 11,866,253 km (0.084 R)
• M50: 12,016,150 km (0.05 R)
• M51: 12,749,329 km (0.077 R)
• M52: 12,902,816 km (0.116 R)
• M53: 13,134,095 km (0.116 R)
• M54: 13,289,228 km (0.099 R)
• M55: 13,392,899 km (0.105 R)
• M56: 13,784,247 km (0.095 R)
• M57: 13,968,103 km (0.087 R)
• M58: 14,364,836 km (0.118 R)
• M59: 14,524,607 km (0.101 R)
• M60: 15,061,514 km (0.059 R)
• M61: 15,824,014 km (0.099 R)
• M62: 16,209,976 km (0.118 R)
• M63: 16,320,828 km (0.116 R)
• M64: 17,075,550 km (0.115 R)
• M65: 17,160,222 km (0.062 R)
• M66: 17,357,991 km (0.07 R)
• M67: 17,613,653 km (0.093 R)
• M68: 18,042,251 km (0.083 R)
• M69: 18,272,333 km (0.063 R)
• M70: 18,416,695 km (0.034 R)
• M71: 18,968,412 km (0.104 R)
• M72: 19,055,926 km (0.114 R)
• M73: 19,231,554 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.3

Radius: 9.2

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 8.17 AU - 8.59 AU

Year: 8688 Days

Day: 9.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 156 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 47,197,512 km

• M1: 141,968 km (0.059 R)
• M2: 409,599 km (0.092 R)
• M3: 912,697 km (0.042 R)
• M4: 1,343,538 km (0.114 R)
• M5: 1,406,968 km (0.034 R)
• M6: 1,950,607 km (0.117 R)
• M7: 2,170,366 km (0.066 R)
• M8: 2,660,449 km (0.047 R)
• M9: 3,298,783 km (0.115 R)
• M10: 3,414,571 km (0.113 R)
• M11: 3,800,235 km (0.059 R)
• M12: 3,952,376 km (0.105 R)
• M13: 4,106,462 km (0.062 R)
• M14: 4,516,509 km (0.114 R)
• M15: 5,274,073 km (0.114 R)
• M16: 6,105,987 km (0.101 R)
• M17: 6,978,591 km (0.113 R)
• M18: 7,052,941 km (0.081 R)
• M19: 7,391,481 km (0.107 R)
• M20: 8,201,703 km (0.104 R)
• M21: 8,637,332 km (0.101 R)
• M22: 8,918,576 km (0.097 R)
• M23: 10,199,732 km (0.051 R)
• M24: 10,496,983 km (0.049 R)
• M25: 10,582,404 km (0.072 R)
• M26: 10,797,077 km (0.084 R)
• M27: 11,100,012 km (0.075 R)
• M28: 12,159,913 km (0.107 R)
• M29: 12,429,788 km (0.025 R)
• M30: 12,565,623 km (0.112 R)
• M31: 12,975,820 km (0.107 R)
• M32: 13,950,001 km (0.04 R)
• M33: 14,185,468 km (0.086 R)
• M34: 14,327,287 km (0.083 R)
• M35: 14,803,756 km (0.119 R)
• M36: 15,188,672 km (0.106 R)
• M37: 15,870,090 km (0.044 R)
• M38: 16,412,382 km (0.079 R)
• M39: 16,611,198 km (0.092 R)
• M40: 16,760,796 km (0.101 R)
• M41: 17,667,808 km (0.061 R)
• M42: 18,024,748 km (0.102 R)
• M43: 18,694,049 km (0.106 R)
• M44: 19,319,219 km (0.119 R)
• M45: 20,589,903 km (0.104 R)
• M46: 21,019,398 km (0.061 R)
• M47: 21,506,190 km (0.098 R)
• M48: 21,778,159 km (0.114 R)
• M49: 21,941,968 km (0.047 R)
• M50: 22,380,739 km (0.101 R)
• M51: 23,211,157 km (0.109 R)
• M52: 23,938,950 km (0.108 R)
• M53: 24,959,208 km (0.107 R)
• M54: 25,245,089 km (0.055 R)
• M55: 26,051,422 km (0.08 R)
• M56: 26,515,923 km (0.071 R)
• M57: 27,100,402 km (0.083 R)
• M58: 28,103,905 km (0.118 R)
• M59: 28,401,305 km (0.075 R)
• M60: 28,879,420 km (0.095 R)
• M61: 28,939,259 km (0.092 R)
• M62: 29,299,940 km (0.105 R)
• M63: 29,360,078 km (0.075 R)
• M64: 30,207,849 km (0.097 R)
• M65: 30,757,023 km (0.11 R)
• M66: 33,741,201 km (0.116 R)
• M67: 34,120,731 km (0.119 R)
• M68: 34,756,223 km (0.051 R)
• M69: 35,331,726 km (0.105 R)
• M70: 35,459,931 km (0.084 R)
• M71: 35,974,698 km (0.078 R)
• M72: 36,621,559 km (0.083 R)
• M73: 36,881,410 km (0.074 R)
• M74: 36,946,485 km (0.087 R)
• M75: 37,207,085 km (0.112 R)
• M76: 38,585,330 km (0.098 R)
• M77: 39,313,872 km (0.043 R)
• M78: 40,046,901 km (0.062 R)
• M79: 40,381,701 km (0.06 R)
• M80: 40,851,887 km (0.106 R)
• M81: 42,341,284 km (0.081 R)
• M82: 42,682,367 km (0.084 R)
• M83: 42,955,832 km (0.106 R)
• M84: 43,986,412 km (0.082 R)
• M85: 45,373,333 km (0.099 R)
• M86: 45,652,333 km (0.062 R)
• M87: 46,774,467 km (0.085 R)
• M88: 46,985,849 km (0.095 R)

Kuiper Belt

Range: 30.6 - 60.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 15,069 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit