🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924

Radius: 11.1

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.73 AU - 0.81 AU

Year: 458 Days

Day: 5.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,622,623 km

• M1: 138,079 km (0.114 R)
• M2: 547,528 km (0.081 R)
• M3: 896,091 km (0.047 R)
• M4: 1,394,551 km (0.107 R)
• M5: 2,546,305 km (0.092 R)
• M6: 3,279,036 km (0.074 R)
• M7: 3,643,007 km (0.038 R)
• M8: 4,062,031 km (0.114 R)
• M9: 4,483,149 km (0.116 R)
• M10: 5,227,997 km (0.108 R)
• M11: 5,780,911 km (0.071 R)
• M12: 6,507,208 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.6

Radius: 9.7

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.69 AU - 1.05 AU

Year: 550 Days

Day: 11.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,622,623 km

• M1: 121,025 km (0.076 R)
• M2: 446,550 km (0.097 R)
• M3: 848,519 km (0.102 R)
• M4: 1,164,021 km (0.069 R)
• M5: 1,503,907 km (0.106 R)
• M6: 1,853,218 km (0.075 R)
• M7: 2,690,966 km (0.086 R)
• M8: 3,413,973 km (0.084 R)
• M9: 4,000,696 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.2

Radius: 13.7

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.06 AU - 1.68 AU

Year: 1088 Days

Day: 10.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,622,623 km

• M1: 170,392 km (0.117 R)
• M2: 666,010 km (0.067 R)
• M3: 1,336,059 km (0.111 R)
• M4: 1,773,184 km (0.119 R)
• M5: 2,204,773 km (0.053 R)
• M6: 2,802,866 km (0.111 R)
• M7: 3,273,949 km (0.078 R)
• M8: 3,827,910 km (0.086 R)
• M9: 4,394,587 km (0.12 R)
• M10: 4,998,813 km (0.072 R)
• M11: 5,917,493 km (0.084 R)
• M12: 6,525,160 km (0.081 R)
• M13: 8,266,928 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.8

Radius: 13.1

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.07 AU - 3.15 AU

Year: 2860 Days

Day: 13.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,622,623 km

• M1: 170,542 km (0.051 R)
• M2: 663,317 km (0.11 R)
• M3: 1,081,593 km (0.045 R)
• M4: 1,560,156 km (0.098 R)
• M5: 2,908,931 km (0.114 R)
• M6: 3,584,066 km (0.097 R)
• M7: 4,526,532 km (0.092 R)
• M8: 5,606,330 km (0.109 R)
• M9: 6,752,997 km (0.069 R)
• M10: 8,160,863 km (0.113 R)
• M11: 12,013,607 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.2

Radius: 11.1

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.54 AU - 5.54 AU

Year: 8844 Days

Day: 13.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 90.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,622,623 km

• M1: 138,677 km (0.052 R)
• M2: 506,538 km (0.093 R)
• M3: 1,362,986 km (0.105 R)
• M4: 4,051,110 km (0.08 R)
• M5: 5,808,885 km (0.102 R)
• M6: 8,739,657 km (0.094 R)
• M7: 10,342,598 km (0.068 R)
• M8: 11,793,249 km (0.085 R)
• M9: 12,479,754 km (0.097 R)
• M10: 18,735,338 km (0.057 R)
• M11: 21,047,523 km (0.094 R)
• M12: 22,229,196 km (0.088 R)
• M13: 23,812,839 km (0.044 R)
• M14: 26,135,346 km (0.06 R)
• M15: 26,714,589 km (0.04 R)
• M16: 27,302,210 km (0.089 R)
• M17: 30,689,704 km (0.119 R)
• M18: 34,118,338 km (0.095 R)
• M19: 35,629,126 km (0.119 R)
• M20: 37,671,586 km (0.098 R)
• M21: 38,163,314 km (0.047 R)
• M22: 38,908,910 km (0.067 R)
• M23: 45,365,704 km (0.116 R)
• M24: 47,049,278 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.2

Radius: 8

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 6.06 AU - 8.98 AU

Year: 13987 Days

Day: 15 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,622,623 km

• M1: 109,805 km (0.091 R)
• M2: 373,546 km (0.1 R)
• M3: 1,277,117 km (0.12 R)
• M4: 1,550,881 km (0.12 R)
• M5: 2,639,954 km (0.118 R)
• M6: 9,964,565 km (0.071 R)
• M7: 11,000,380 km (0.097 R)
• M8: 14,472,996 km (0.097 R)
• M9: 15,798,882 km (0.087 R)
• M10: 26,256,969 km (0.112 R)
• M11: 28,526,070 km (0.096 R)
• M12: 29,760,402 km (0.106 R)
• M13: 30,179,575 km (0.076 R)
• M14: 35,522,314 km (0.118 R)
• M15: 43,581,300 km (0.111 R)
• M16: 44,667,231 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.6

Radius: 3

Gravity: 25.62 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.63 AU - 12.43 AU

Year: 21545 Days

Day: 19 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,622,623 km

• M1: 48,171 km (0.096 R)
• M2: 244,293 km (0.073 R)
• M3: 969,843 km (0.096 R)
• M4: 1,630,018 km (0.084 R)
• M5: 1,875,808 km (0.065 R)
• M6: 2,127,132 km (0.115 R)
• M7: 2,630,679 km (0.083 R)
• M8: 2,968,620 km (0.071 R)
• M9: 3,437,011 km (0.079 R)
• M10: 3,541,730 km (0.063 R)
• M11: 6,820,017 km (0.09 R)
• M12: 6,985,473 km (0.059 R)
• M13: 7,898,169 km (0.118 R)
• M14: 8,406,652 km (0.107 R)
• M15: 8,644,962 km (0.048 R)
• M16: 12,164,252 km (0.067 R)
• M17: 14,814,528 km (0.111 R)
• M18: 16,236,754 km (0.113 R)
• M19: 18,139,191 km (0.097 R)
• M20: 35,516,180 km (0.093 R)
• M21: 36,012,995 km (0.056 R)
• M22: 41,101,716 km (0.04 R)
• M23: 41,649,244 km (0.092 R)
• M24: 42,063,032 km (0.117 R)
• M25: 53,645,497 km (0.098 R)
• M26: 54,135,281 km (0.081 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: 395 - 15,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit