🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.3

Radius: 8.8

Gravity: 12.48 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.79 AU - 1.09 AU

Year: 579 Days

Day: 5.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,074,309 km

• M1: 109,954 km (0.11 R)
• M2: 476,768 km (0.11 R)
• M3: 754,123 km (0.074 R)
• M4: 1,107,922 km (0.092 R)
• M5: 1,572,274 km (0.098 R)
• M6: 2,220,332 km (0.119 R)
• M7: 2,775,041 km (0.096 R)
• M8: 3,135,422 km (0.072 R)
• M9: 3,791,259 km (0.079 R)
• M10: 4,329,362 km (0.115 R)
• M11: 5,230,839 km (0.112 R)
• M12: 5,557,561 km (0.109 R)
• M13: 6,132,615 km (0.117 R)
• M14: 6,517,082 km (0.111 R)
• M15: 6,853,078 km (0.045 R)
• M16: 7,560,078 km (0.028 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442

Radius: 10.6

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.62 AU - 1.64 AU

Year: 1323 Days

Day: 10.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,074,309 km

• M1: 132,095 km (0.06 R)
• M2: 549,323 km (0.096 R)
• M3: 1,172,698 km (0.086 R)
• M4: 1,557,613 km (0.074 R)
• M5: 2,068,340 km (0.116 R)
• M6: 2,426,477 km (0.073 R)
• M7: 2,813,487 km (0.086 R)
• M8: 3,326,907 km (0.071 R)
• M9: 3,791,259 km (0.049 R)
• M10: 4,401,917 km (0.116 R)
• M11: 5,192,542 km (0.1 R)
• M12: 5,591,370 km (0.115 R)
• M13: 6,541,466 km (0.114 R)
• M14: 7,031,399 km (0.103 R)
• M15: 7,824,717 km (0.08 R)
• M16: 8,431,186 km (0.115 R)
• M17: 8,927,403 km (0.099 R)
• M18: 9,678,384 km (0.117 R)
• M19: 10,439,687 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.8

Radius: 11.3

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.01 AU - 2.61 AU

Year: 2232 Days

Day: 14.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,074,309 km

• M1: 140,472 km (0.106 R)
• M2: 653,743 km (0.088 R)
• M3: 1,970,802 km (0.096 R)
• M4: 3,316,734 km (0.091 R)
• M5: 4,368,108 km (0.098 R)
• M6: 8,756,412 km (0.086 R)
• M7: 10,783,912 km (0.06 R)
• M8: 11,564,215 km (0.11 R)
• M9: 12,298,441 km (0.107 R)
• M10: 13,995,629 km (0.092 R)
• M11: 14,829,487 km (0.067 R)
• M12: 15,403,494 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.9

Radius: 15

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.49 AU - 4.71 AU

Year: 5278 Days

Day: 11.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,074,309 km

• M1: 186,698 km (0.034 R)
• M2: 893,548 km (0.083 R)
• M3: 1,622,389 km (0.08 R)
• M4: 2,419,147 km (0.086 R)
• M5: 3,133,926 km (0.119 R)
• M6: 3,777,346 km (0.07 R)
• M7: 4,772,022 km (0.067 R)
• M8: 7,646,845 km (0.067 R)
• M9: 9,580,846 km (0.113 R)
• M10: 10,661,990 km (0.115 R)
• M11: 12,907,005 km (0.09 R)
• M12: 15,094,425 km (0.11 R)
• M13: 17,066,125 km (0.115 R)
• M14: 18,927,721 km (0.033 R)
• M15: 28,187,231 km (0.093 R)
• M16: 33,029,115 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.4

Radius: 7.9

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.47 AU - 10.49 AU

Year: 17110 Days

Day: 15.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,074,309 km

• M1: 98,435 km (0.106 R)
• M2: 490,083 km (0.077 R)
• M3: 885,171 km (0.086 R)
• M4: 2,862,406 km (0.093 R)
• M5: 3,123,604 km (0.104 R)
• M6: 4,377,533 km (0.09 R)
• M7: 5,346,777 km (0.091 R)
• M8: 6,570,787 km (0.053 R)
• M9: 8,246,134 km (0.112 R)
• M10: 11,437,804 km (0.045 R)
• M11: 13,450,793 km (0.088 R)
• M12: 17,753,827 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.8

Radius: 8

Gravity: 15.2 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 8.39 AU - 9.57 AU

Year: 17110 Days

Day: 22.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,074,309 km

• M1: 102,026 km (0.058 R)
• M2: 679,025 km (0.042 R)
• M3: 1,036,115 km (0.104 R)
• M4: 1,581,100 km (0.105 R)
• M5: 1,844,093 km (0.074 R)
• M6: 2,693,360 km (0.115 R)
• M7: 6,974,402 km (0.119 R)
• M8: 7,939,159 km (0.103 R)
• M9: 10,131,217 km (0.057 R)
• M10: 11,365,698 km (0.119 R)
• M11: 12,287,670 km (0.114 R)
• M12: 13,329,918 km (0.074 R)
• M13: 16,313,797 km (0.105 R)
• M14: 17,060,740 km (0.073 R)
• M15: 19,530,750 km (0.082 R)
• M16: 20,658,718 km (0.057 R)
• M17: 25,496,563 km (0.093 R)
• M18: 26,051,871 km (0.09 R)
• M19: 26,501,861 km (0.058 R)
• M20: 27,071,679 km (0.087 R)
• M21: 31,291,536 km (0.104 R)
• M22: 32,185,084 km (0.114 R)
• M23: 39,955,646 km (0.086 R)
• M24: 40,704,833 km (0.065 R)
• M25: 42,385,864 km (0.059 R)
• M26: 52,377,057 km (0.097 R)
• M27: 54,547,423 km (0.113 R)
• M28: 54,914,985 km (0.077 R)
• M29: 55,654,896 km (0.089 R)
• M30: 62,615,834 km (0.098 R)
• M31: 64,237,774 km (0.111 R)
• M32: 70,787,768 km (0.054 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 19,427 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit