🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.5 AU - 0.82 AU

Year: 197 Days

Day: 25.5 Hours

Environment

Temp: 176 °C

Axial Tilt: 22 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.15 AU - 1.83 AU

Year: 668 Days

Day: 35.7 Hours

Environment

Temp: -30 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.49

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.67 AU - 1.85 AU

Year: 857 Days

Day: 38.8 Hours

Environment

Temp: -56 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 36,503,788 km

• M1: 887,115 km (0.064 R)
• M2: 1,299,557 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.55 AU - 3.29 AU

Year: 1832 Days

Day: 36.1 Hours

Environment

Temp: -104 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.7

Radius: 9.3

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.87 AU - 9.37 AU

Year: 9290 Days

Day: 9 Hours

Environment

Temp: -177 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 36,503,788 km

• M1: 119,828 km (0.11 R)
• M2: 248,482 km (0.093 R)
• M3: 384,317 km (0.102 R)
• M4: 534,214 km (0.109 R)
• M5: 672,293 km (0.025 R)
• M6: 737,667 km (0.102 R)
• M7: 1,340,995 km (0.115 R)
• M8: 1,946,119 km (0.085 R)
• M9: 2,042,460 km (0.053 R)
• M10: 2,341,057 km (0.042 R)
• M11: 2,469,711 km (0.037 R)
• M12: 2,897,112 km (0.081 R)
• M13: 3,347,701 km (0.077 R)
• M14: 4,002,940 km (0.115 R)
• M15: 4,376,935 km (0.112 R)
• M16: 4,827,523 km (0.068 R)
• M17: 5,125,073 km (0.104 R)
• M18: 5,360,690 km (0.11 R)
• M19: 5,807,539 km (0.116 R)
• M20: 6,230,901 km (0.06 R)
• M21: 6,338,312 km (0.094 R)
• M22: 6,737,290 km (0.091 R)
• M23: 7,674,371 km (0.082 R)
• M24: 8,177,768 km (0.099 R)
• M25: 8,651,993 km (0.066 R)
• M26: 9,626,922 km (0.093 R)
• M27: 9,709,799 km (0.073 R)
• M28: 10,807,997 km (0.112 R)
• M29: 11,067,101 km (0.066 R)
• M30: 11,415,664 km (0.063 R)
• M31: 11,503,328 km (0.113 R)
• M32: 12,845,820 km (0.118 R)
• M33: 13,304,187 km (0.1 R)
• M34: 13,628,366 km (0.061 R)
• M35: 15,627,143 km (0.025 R)
• M36: 15,871,137 km (0.086 R)
• M37: 16,018,192 km (0.094 R)
• M38: 17,059,992 km (0.066 R)
• M39: 17,412,145 km (0.102 R)
• M40: 17,919,282 km (0.114 R)
• M41: 18,689,262 km (0.106 R)
• M42: 20,848,258 km (0.114 R)
• M43: 20,955,670 km (0.079 R)
• M44: 21,820,944 km (0.073 R)
• M45: 22,093,661 km (0.087 R)
• M46: 22,367,574 km (0.073 R)
• M47: 23,642,148 km (0.077 R)
• M48: 23,922,345 km (0.057 R)
• M49: 24,147,191 km (0.056 R)
• M50: 25,396,931 km (0.057 R)
• M51: 25,799,050 km (0.047 R)
• M52: 26,203,114 km (0.041 R)
• M53: 26,609,422 km (0.092 R)
• M54: 26,900,839 km (0.098 R)
• M55: 27,369,379 km (0.098 R)
• M56: 29,450,734 km (0.077 R)
• M57: 29,933,636 km (0.102 R)
• M58: 30,419,231 km (0.119 R)
• M59: 30,723,962 km (0.071 R)
• M60: 31,152,261 km (0.11 R)
• M61: 31,521,019 km (0.112 R)
• M62: 31,891,274 km (0.097 R)
• M63: 32,076,925 km (0.069 R)
• M64: 33,073,097 km (0.093 R)
• M65: 33,198,311 km (0.047 R)
• M66: 33,386,505 km (0.055 R)
• M67: 35,287,295 km (0.084 R)
• M68: 36,186,379 km (0.025 R)
• M69: 36,703,538 km (0.079 R)
• M70: 37,745,188 km (0.12 R)
• M71: 38,532,672 km (0.063 R)
• M72: 39,790,790 km (0.119 R)
• M73: 40,793,544 km (0.112 R)
• M74: 41,466,585 km (0.102 R)
• M75: 41,939,913 km (0.037 R)
• M76: 42,823,737 km (0.119 R)
• M77: 43,097,052 km (0.082 R)
• M78: 43,576,513 km (0.096 R)
• M79: 43,988,805 km (0.045 R)
• M80: 44,057,620 km (0.105 R)
• M81: 44,195,549 km (0.076 R)
• M82: 44,402,443 km (0.037 R)
• M83: 44,886,841 km (0.049 R)
• M84: 45,025,518 km (0.051 R)
• M85: 45,164,345 km (0.117 R)
• M86: 45,372,735 km (0.025 R)
• M87: 45,860,574 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.6

Radius: 11.5

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 9 AU - 9.84 AU

Year: 10613 Days

Day: 10.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 36,503,788 km

• M1: 155,881 km (0.097 R)
• M2: 238,309 km (0.116 R)
• M3: 322,533 km (0.087 R)
• M4: 412,292 km (0.071 R)
• M5: 845,527 km (0.032 R)
• M6: 1,092,214 km (0.107 R)
• M7: 1,190,949 km (0.105 R)
• M8: 1,487,751 km (0.072 R)
• M9: 1,886,878 km (0.104 R)
• M10: 2,192,357 km (0.046 R)
• M11: 2,782,072 km (0.078 R)
• M12: 3,346,504 km (0.095 R)
• M13: 3,517,944 km (0.11 R)
• M14: 3,717,357 km (0.085 R)
• M15: 4,633,644 km (0.101 R)
• M16: 4,825,130 km (0.071 R)
• M17: 5,103,232 km (0.113 R)
• M18: 5,272,727 km (0.113 R)
• M19: 5,415,293 km (0.119 R)
• M20: 5,704,316 km (0.119 R)
• M21: 6,147,575 km (0.089 R)
• M22: 6,237,633 km (0.102 R)
• M23: 7,319,824 km (0.096 R)
• M24: 7,415,267 km (0.057 R)
• M25: 7,639,664 km (0.045 R)
• M26: 8,392,889 km (0.096 R)
• M27: 8,930,843 km (0.11 R)
• M28: 9,101,235 km (0.103 R)
• M29: 9,514,724 km (0.096 R)
• M30: 10,252,989 km (0.064 R)
• M31: 10,610,977 km (0.098 R)
• M32: 10,719,286 km (0.073 R)
• M33: 10,791,542 km (0.088 R)
• M34: 11,082,659 km (0.104 R)
• M35: 11,229,115 km (0.098 R)
• M36: 11,413,270 km (0.072 R)
• M37: 13,542,198 km (0.083 R)
• M38: 13,698,827 km (0.085 R)
• M39: 13,935,042 km (0.068 R)
• M40: 14,014,179 km (0.087 R)
• M41: 14,974,298 km (0.112 R)
• M42: 16,121,115 km (0.102 R)
• M43: 16,453,971 km (0.118 R)
• M44: 16,705,145 km (0.057 R)
• M45: 16,831,107 km (0.074 R)
• M46: 17,636,841 km (0.031 R)
• M47: 17,765,196 km (0.112 R)
• M48: 17,851,065 km (0.071 R)
• M49: 19,727,920 km (0.115 R)
• M50: 20,128,543 km (0.084 R)
• M51: 20,757,303 km (0.093 R)
• M52: 21,529,527 km (0.094 R)
• M53: 21,804,189 km (0.052 R)
• M54: 22,449,853 km (0.119 R)
• M55: 23,195,449 km (0.071 R)
• M56: 23,524,265 km (0.037 R)
• M57: 24,091,391 km (0.12 R)
• M58: 24,472,117 km (0.026 R)
• M59: 24,758,896 km (0.099 R)
• M60: 26,649,963 km (0.095 R)
• M61: 26,994,337 km (0.103 R)
• M62: 27,290,691 km (0.042 R)
• M63: 27,488,908 km (0.056 R)
• M64: 28,136,218 km (0.09 R)
• M65: 28,939,858 km (0.092 R)
• M66: 29,141,815 km (0.099 R)
• M67: 29,344,370 km (0.064 R)
• M68: 29,547,375 km (0.082 R)
• M69: 30,210,542 km (0.069 R)
• M70: 30,723,812 km (0.094 R)
• M71: 31,395,656 km (0.057 R)
• M72: 32,228,916 km (0.083 R)
• M73: 32,333,635 km (0.118 R)
• M74: 32,753,556 km (0.068 R)
• M75: 34,718,823 km (0.089 R)
• M76: 34,879,940 km (0.076 R)
• M77: 35,526,502 km (0.072 R)
• M78: 35,851,279 km (0.114 R)
• M79: 35,959,738 km (0.098 R)
• M80: 36,340,315 km (0.051 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 11,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit