🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.1

Radius: 10.4

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.52 AU - 0.66 AU

Year: 307 Days

Day: 14 Hours

Environment

Temp: -143 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,894,247 km

• M1: 129,701 km (0.085 R)
• M2: 555,457 km (0.087 R)
• M3: 1,071,570 km (0.059 R)
• M4: 1,484,310 km (0.111 R)
• M5: 1,815,221 km (0.115 R)
• M6: 2,740,633 km (0.108 R)
• M7: 3,162,649 km (0.118 R)
• M8: 3,707,634 km (0.057 R)
• M9: 4,162,860 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.6

Radius: 14.5

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.73 AU - 2.17 AU

Year: 1847 Days

Day: 9.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,894,247 km

• M1: 181,911 km (0.096 R)
• M2: 761,004 km (0.063 R)
• M3: 1,234,332 km (0.107 R)
• M4: 1,924,128 km (0.088 R)
• M5: 3,559,831 km (0.106 R)
• M6: 4,247,532 km (0.062 R)
• M7: 5,386,271 km (0.11 R)
• M8: 6,116,159 km (0.097 R)
• M9: 6,856,220 km (0.096 R)
• M10: 8,484,144 km (0.117 R)
• M11: 10,651,069 km (0.11 R)
• M12: 13,208,445 km (0.061 R)
• M13: 13,951,497 km (0.059 R)
• M14: 15,858,571 km (0.071 R)
• M15: 16,547,918 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.3

Radius: 10.7

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.77 AU - 2.61 AU

Year: 2198 Days

Day: 13.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 154.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,894,247 km

• M1: 133,142 km (0.042 R)
• M2: 473,776 km (0.114 R)
• M3: 1,269,936 km (0.069 R)
• M4: 1,713,943 km (0.041 R)
• M5: 2,435,304 km (0.096 R)
• M6: 3,970,178 km (0.1 R)
• M7: 4,624,220 km (0.104 R)
• M8: 5,325,086 km (0.058 R)
• M9: 6,797,129 km (0.065 R)
• M10: 9,297,508 km (0.051 R)
• M11: 10,007,499 km (0.117 R)
• M12: 10,601,403 km (0.077 R)
• M13: 11,737,449 km (0.109 R)
• M14: 12,356,036 km (0.073 R)
• M15: 12,866,464 km (0.106 R)
• M16: 14,859,257 km (0.084 R)
• M17: 16,842,327 km (0.116 R)
• M18: 17,259,106 km (0.046 R)
• M19: 17,843,585 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.2

Radius: 11.3

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.56 AU - 2.86 AU

Year: 3026 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,894,247 km

• M1: 140,622 km (0.119 R)
• M2: 498,909 km (0.091 R)
• M3: 891,005 km (0.1 R)
• M4: 1,308,233 km (0.117 R)
• M5: 2,006,706 km (0.043 R)
• M6: 2,641,898 km (0.086 R)
• M7: 3,318,380 km (0.093 R)
• M8: 3,745,631 km (0.102 R)
• M9: 9,273,722 km (0.071 R)
• M10: 10,443,577 km (0.062 R)
• M11: 11,400,704 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.1

Radius: 14.2

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.63 AU - 5.39 AU

Year: 7606 Days

Day: 9 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,894,247 km

• M1: 176,525 km (0.053 R)
• M2: 699,819 km (0.054 R)
• M3: 1,287,140 km (0.092 R)
• M4: 1,747,453 km (0.115 R)
• M5: 3,850,799 km (0.079 R)
• M6: 4,691,688 km (0.118 R)
• M7: 5,338,550 km (0.074 R)
• M8: 7,144,346 km (0.083 R)
• M9: 8,248,827 km (0.082 R)
• M10: 9,601,191 km (0.113 R)
• M11: 11,249,610 km (0.105 R)
• M12: 11,874,181 km (0.08 R)
• M13: 12,632,194 km (0.104 R)
• M14: 13,888,218 km (0.083 R)
• M15: 14,976,692 km (0.102 R)
• M16: 16,581,727 km (0.114 R)
• M17: 17,876,198 km (0.095 R)
• M18: 18,655,902 km (0.078 R)
• M19: 23,734,749 km (0.088 R)
• M20: 31,369,178 km (0.058 R)
• M21: 31,881,700 km (0.059 R)
• M22: 37,318,386 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.1

Radius: 13.9

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.42 AU - 5.92 AU

Year: 7973 Days

Day: 8.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,894,247 km

• M1: 172,935 km (0.083 R)
• M2: 740,210 km (0.087 R)
• M3: 1,378,694 km (0.111 R)
• M4: 1,970,802 km (0.111 R)
• M5: 2,597,019 km (0.057 R)
• M6: 8,484,443 km (0.097 R)
• M7: 9,655,346 km (0.042 R)
• M8: 11,749,267 km (0.09 R)
• M9: 15,212,159 km (0.057 R)
• M10: 17,236,816 km (0.102 R)
• M11: 18,345,336 km (0.089 R)
• M12: 19,304,857 km (0.115 R)
• M13: 21,533,716 km (0.072 R)
• M14: 23,779,180 km (0.097 R)
• M15: 26,417,039 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 941.5

Radius: 5

Gravity: 37.66 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.47 AU - 8.85 AU

Year: 14379 Days

Day: 23.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,894,247 km

• M1: 62,233 km (0.102 R)
• M2: 218,263 km (0.112 R)
• M3: 588,668 km (0.032 R)
• M4: 804,388 km (0.108 R)
• M5: 1,296,116 km (0.111 R)
• M6: 2,202,529 km (0.109 R)
• M7: 2,847,595 km (0.077 R)
• M8: 3,279,933 km (0.099 R)
• M9: 3,784,228 km (0.093 R)
• M10: 4,436,026 km (0.078 R)
• M11: 5,568,930 km (0.081 R)
• M12: 6,707,819 km (0.105 R)
• M13: 8,850,060 km (0.114 R)
• M14: 10,333,323 km (0.104 R)
• M15: 11,974,562 km (0.066 R)
• M16: 12,167,094 km (0.11 R)
• M17: 13,922,775 km (0.117 R)
• M18: 15,008,855 km (0.108 R)
• M19: 15,763,576 km (0.104 R)
• M20: 16,543,430 km (0.058 R)
• M21: 17,023,340 km (0.075 R)
• M22: 18,604,739 km (0.093 R)
• M23: 22,248,943 km (0.084 R)
• M24: 22,637,599 km (0.096 R)
• M25: 30,669,209 km (0.099 R)
• M26: 31,636,958 km (0.111 R)
• M27: 33,888,555 km (0.094 R)
• M28: 35,184,372 km (0.053 R)
• M29: 40,988,769 km (0.106 R)
• M30: 43,207,156 km (0.098 R)
• M31: 44,422,489 km (0.068 R)
• M32: 46,445,651 km (0.079 R)
• M33: 48,043,057 km (0.052 R)
• M34: 51,347,225 km (0.086 R)
• M35: 56,943,532 km (0.098 R)
• M36: 59,328,571 km (0.086 R)
• M37: 60,451,452 km (0.102 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: 246 - 13,782 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit