🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.3

Radius: 9.4

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.72 AU - 1.06 AU

Year: 551 Days

Day: 13.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,652,888 km

• M1: 116,986 km (0.11 R)
• M2: 462,108 km (0.094 R)
• M3: 791,074 km (0.09 R)
• M4: 1,205,011 km (0.036 R)
• M5: 1,601,296 km (0.084 R)
• M6: 1,959,882 km (0.078 R)
• M7: 2,307,398 km (0.102 R)
• M8: 3,001,681 km (0.115 R)
• M9: 3,909,142 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.3

Radius: 8.6

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.94 AU - 1.02 AU

Year: 636 Days

Day: 7.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,652,888 km

• M1: 107,112 km (0.083 R)
• M2: 379,979 km (0.104 R)
• M3: 648,806 km (0.041 R)
• M4: 951,891 km (0.111 R)
• M5: 1,260,362 km (0.041 R)
• M6: 1,568,534 km (0.08 R)
• M7: 2,076,568 km (0.068 R)
• M8: 3,244,778 km (0.111 R)
• M9: 3,655,274 km (0.109 R)
• M10: 3,999,798 km (0.11 R)
• M11: 4,380,974 km (0.119 R)
• M12: 4,850,711 km (0.099 R)
• M13: 5,891,314 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.5

Radius: 10

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.47 AU - 1.63 AU

Year: 1266 Days

Day: 10.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,652,888 km

• M1: 133,890 km (0.072 R)
• M2: 495,618 km (0.061 R)
• M3: 1,267,244 km (0.1 R)
• M4: 1,654,702 km (0.056 R)
• M5: 2,685,581 km (0.119 R)
• M6: 4,020,443 km (0.07 R)
• M7: 6,244,514 km (0.082 R)
• M8: 7,837,881 km (0.068 R)
• M9: 8,755,365 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.4

Radius: 14.7

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.51 AU - 3.39 AU

Year: 3324 Days

Day: 14.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,652,888 km

• M1: 182,809 km (0.116 R)
• M2: 748,737 km (0.062 R)
• M3: 2,421,541 km (0.092 R)
• M4: 3,061,520 km (0.053 R)
• M5: 3,629,544 km (0.098 R)
• M6: 4,734,025 km (0.083 R)
• M7: 5,260,609 km (0.12 R)
• M8: 5,966,861 km (0.095 R)
• M9: 6,797,727 km (0.095 R)
• M10: 7,670,780 km (0.11 R)
• M11: 8,400,519 km (0.061 R)
• M12: 9,176,184 km (0.064 R)
• M13: 10,828,343 km (0.096 R)
• M14: 11,391,579 km (0.113 R)
• M15: 15,679,502 km (0.112 R)
• M16: 16,856,688 km (0.106 R)
• M17: 18,455,889 km (0.12 R)
• M18: 20,024,872 km (0.092 R)
• M19: 25,115,089 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608.6

Radius: 4.2

Gravity: 34.5 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 8.3 AU - 10.24 AU

Year: 18515 Days

Day: 16.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,652,888 km

• M1: 74,051 km (0.038 R)
• M2: 234,719 km (0.106 R)
• M3: 686,056 km (0.034 R)
• M4: 853,605 km (0.093 R)
• M5: 1,642,585 km (0.112 R)
• M6: 1,780,813 km (0.102 R)
• M7: 2,002,816 km (0.066 R)
• M8: 2,502,174 km (0.112 R)
• M9: 3,003,626 km (0.097 R)
• M10: 4,266,382 km (0.075 R)
• M11: 4,767,684 km (0.096 R)
• M12: 5,533,924 km (0.111 R)
• M13: 7,587,454 km (0.027 R)
• M14: 8,371,347 km (0.095 R)
• M15: 12,977,765 km (0.098 R)
• M16: 13,459,021 km (0.115 R)
• M17: 14,384,134 km (0.116 R)
• M18: 15,199,293 km (0.107 R)
• M19: 23,866,395 km (0.095 R)
• M20: 24,276,892 km (0.062 R)
• M21: 24,692,176 km (0.102 R)
• M22: 29,932,290 km (0.076 R)
• M23: 30,170,300 km (0.106 R)
• M24: 30,529,784 km (0.116 R)
• M25: 37,775,557 km (0.112 R)
• M26: 43,752,291 km (0.049 R)
• M27: 47,205,010 km (0.09 R)
• M28: 48,177,097 km (0.082 R)
• M29: 52,544,457 km (0.085 R)
• M30: 55,180,371 km (0.116 R)
• M31: 56,803,359 km (0.087 R)
• M32: 57,902,903 km (0.083 R)
• M33: 63,614,251 km (0.061 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.8

Radius: 6.1

Gravity: 19.72 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 8.28 AU - 11.94 AU

Year: 21088 Days

Day: 21.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,652,888 km

• M1: 81,082 km (0.105 R)
• M2: 1,769,892 km (0.119 R)
• M3: 5,079,596 km (0.104 R)
• M4: 6,846,496 km (0.034 R)
• M5: 8,073,348 km (0.065 R)
• M6: 8,657,079 km (0.091 R)
• M7: 9,382,629 km (0.076 R)
• M8: 9,730,893 km (0.113 R)
• M9: 14,608,830 km (0.106 R)
• M10: 19,094,373 km (0.073 R)
• M11: 22,822,801 km (0.105 R)
• M12: 27,477,538 km (0.059 R)
• M13: 29,652,542 km (0.056 R)
• M14: 30,782,006 km (0.099 R)
• M15: 32,993,062 km (0.115 R)
• M16: 34,891,609 km (0.113 R)
• M17: 38,166,905 km (0.025 R)
• M18: 47,834,218 km (0.1 R)
• M19: 59,999,218 km (0.074 R)
• M20: 66,151,131 km (0.078 R)
• M21: 69,817,177 km (0.038 R)
• M22: 70,257,144 km (0.067 R)
• M23: 73,844,052 km (0.06 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 17,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit