🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.5

Radius: 12.2

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.61 AU - 0.97 AU

Year: 468 Days

Day: 12.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,583,180 km

• M1: 151,842 km (0.1 R)
• M2: 552,764 km (0.104 R)
• M3: 1,255,126 km (0.108 R)
• M4: 1,717,084 km (0.041 R)
• M5: 2,181,885 km (0.11 R)
• M6: 3,307,160 km (0.073 R)
• M7: 3,777,496 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.6

Radius: 10.4

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.83 AU - 1.09 AU

Year: 627 Days

Day: 7.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,583,180 km

• M1: 129,402 km (0.07 R)
• M2: 553,811 km (0.115 R)
• M3: 1,200,224 km (0.068 R)
• M4: 1,693,448 km (0.114 R)
• M5: 2,154,060 km (0.117 R)
• M6: 2,545,258 km (0.107 R)
• M7: 3,141,106 km (0.11 R)
• M8: 4,452,631 km (0.073 R)
• M9: 4,906,361 km (0.1 R)
• M10: 5,534,672 km (0.101 R)
• M11: 5,982,868 km (0.048 R)
• M12: 6,495,540 km (0.105 R)
• M13: 6,825,552 km (0.114 R)
• M14: 7,210,169 km (0.034 R)
• M15: 7,654,325 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.8

Radius: 10.2

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.94 AU - 1.08 AU

Year: 677 Days

Day: 14.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,583,180 km

• M1: 126,859 km (0.104 R)
• M2: 574,755 km (0.114 R)
• M3: 1,062,594 km (0.095 R)
• M4: 1,534,874 km (0.119 R)
• M5: 1,888,224 km (0.114 R)
• M6: 2,285,855 km (0.062 R)
• M7: 2,715,650 km (0.093 R)
• M8: 3,082,763 km (0.116 R)
• M9: 4,453,828 km (0.113 R)
• M10: 6,173,755 km (0.107 R)
• M11: 6,530,545 km (0.044 R)
• M12: 7,262,827 km (0.093 R)
• M13: 8,172,831 km (0.099 R)
• M14: 8,943,410 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.1

Radius: 9.4

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.75 AU - 2.89 AU

Year: 2356 Days

Day: 10.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,583,180 km

• M1: 116,836 km (0.103 R)
• M2: 673,190 km (0.103 R)
• M3: 1,102,387 km (0.069 R)
• M4: 1,395,449 km (0.082 R)
• M5: 3,460,049 km (0.109 R)
• M6: 4,180,812 km (0.103 R)
• M7: 4,504,093 km (0.068 R)
• M8: 5,363,233 km (0.088 R)
• M9: 6,406,379 km (0.058 R)
• M10: 7,374,427 km (0.096 R)
• M11: 7,818,134 km (0.087 R)
• M12: 8,564,927 km (0.092 R)
• M13: 10,565,499 km (0.08 R)
• M14: 12,034,102 km (0.085 R)
• M15: 12,524,932 km (0.114 R)
• M16: 13,286,086 km (0.088 R)
• M17: 13,943,718 km (0.119 R)
• M18: 14,854,021 km (0.102 R)
• M19: 15,229,063 km (0.101 R)
• M20: 16,541,785 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.4

Radius: 10

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 3.75 AU - 3.75 AU

Year: 4843 Days

Day: 11.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,583,180 km

• M1: 124,316 km (0.119 R)
• M2: 727,046 km (0.117 R)
• M3: 1,081,443 km (0.118 R)
• M4: 1,586,785 km (0.077 R)
• M5: 1,914,703 km (0.087 R)
• M6: 3,412,627 km (0.05 R)
• M7: 4,186,347 km (0.108 R)
• M8: 5,227,847 km (0.031 R)
• M9: 6,050,935 km (0.082 R)
• M10: 11,244,225 km (0.108 R)
• M11: 13,683,119 km (0.12 R)
• M12: 15,132,872 km (0.04 R)
• M13: 17,911,951 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.7

Radius: 9.1

Gravity: 8.29 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.29 AU - 5.33 AU

Year: 5967 Days

Day: 12.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,583,180 km

• M1: 113,246 km (0.105 R)
• M2: 396,584 km (0.087 R)
• M3: 802,593 km (0.097 R)
• M4: 1,788,293 km (0.115 R)
• M5: 2,281,966 km (0.114 R)
• M6: 5,244,453 km (0.094 R)
• M7: 5,598,850 km (0.113 R)
• M8: 6,656,956 km (0.07 R)
• M9: 8,955,078 km (0.099 R)
• M10: 10,488,905 km (0.093 R)
• M11: 10,862,750 km (0.094 R)
• M12: 11,637,218 km (0.037 R)
• M13: 13,845,283 km (0.094 R)
• M14: 14,524,158 km (0.074 R)
• M15: 15,165,933 km (0.106 R)
• M16: 20,270,362 km (0.096 R)
• M17: 22,659,889 km (0.056 R)
• M18: 32,795,444 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.2

Radius: 11.1

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.32 AU - 5.86 AU

Year: 8813 Days

Day: 14.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,583,180 km

• M1: 138,079 km (0.116 R)
• M2: 590,762 km (0.091 R)
• M3: 1,040,453 km (0.067 R)
• M4: 2,392,519 km (0.099 R)
• M5: 3,900,016 km (0.093 R)
• M6: 4,547,775 km (0.098 R)
• M7: 6,252,144 km (0.084 R)
• M8: 6,754,942 km (0.067 R)
• M9: 7,430,377 km (0.103 R)
• M10: 8,228,631 km (0.095 R)
• M11: 9,125,321 km (0.105 R)
• M12: 9,597,601 km (0.092 R)
• M13: 13,815,064 km (0.099 R)
• M14: 15,318,373 km (0.067 R)
• M15: 17,642,077 km (0.103 R)
• M16: 19,549,899 km (0.118 R)
• M17: 25,081,579 km (0.07 R)
• M18: 25,584,826 km (0.111 R)
• M19: 31,575,174 km (0.09 R)
• M20: 33,560,188 km (0.114 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: 554 - 14,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit