🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.1

Radius: 11.4

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.57 AU - 0.57 AU

Year: 292 Days

Day: 9.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,710,256 km

• M1: 141,968 km (0.09 R)
• M2: 534,513 km (0.1 R)
• M3: 927,208 km (0.068 R)
• M4: 1,356,404 km (0.102 R)
• M5: 1,832,574 km (0.105 R)
• M6: 2,218,088 km (0.074 R)
• M7: 3,156,665 km (0.099 R)
• M8: 3,547,265 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.3

Radius: 11

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.12 AU - 1.54 AU

Year: 1040 Days

Day: 8.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,710,256 km

• M1: 137,181 km (0.107 R)
• M2: 503,846 km (0.113 R)
• M3: 988,244 km (0.084 R)
• M4: 1,411,157 km (0.04 R)
• M5: 1,855,313 km (0.056 R)
• M6: 2,511,748 km (0.09 R)
• M7: 3,376,274 km (0.109 R)
• M8: 3,796,345 km (0.087 R)
• M9: 4,742,253 km (0.072 R)
• M10: 7,171,124 km (0.038 R)
• M11: 7,631,436 km (0.079 R)
• M12: 8,057,042 km (0.106 R)
• M13: 8,811,315 km (0.059 R)
• M14: 9,190,994 km (0.116 R)
• M15: 9,611,962 km (0.071 R)
• M16: 10,820,264 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.4

Radius: 14

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.29 AU - 1.71 AU

Year: 1246 Days

Day: 6.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,710,256 km

• M1: 174,132 km (0.1 R)
• M2: 658,231 km (0.073 R)
• M3: 1,293,274 km (0.069 R)
• M4: 1,949,559 km (0.12 R)
• M5: 2,411,069 km (0.065 R)
• M6: 3,326,757 km (0.079 R)
• M7: 5,194,188 km (0.094 R)
• M8: 6,403,387 km (0.119 R)
• M9: 6,871,030 km (0.055 R)
• M10: 7,792,553 km (0.081 R)
• M11: 10,340,803 km (0.073 R)
• M12: 10,779,873 km (0.101 R)
• M13: 11,913,974 km (0.109 R)
• M14: 12,397,026 km (0.052 R)
• M15: 12,970,435 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.5

Radius: 14.8

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.33 AU - 2.07 AU

Year: 1503 Days

Day: 8 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,710,256 km

• M1: 184,005 km (0.059 R)
• M2: 690,394 km (0.112 R)
• M3: 1,392,457 km (0.073 R)
• M4: 2,011,792 km (0.088 R)
• M5: 2,733,452 km (0.036 R)
• M6: 3,252,108 km (0.091 R)
• M7: 3,887,301 km (0.068 R)
• M8: 4,955,429 km (0.053 R)
• M9: 5,980,773 km (0.089 R)
• M10: 7,066,555 km (0.092 R)
• M11: 8,832,557 km (0.072 R)
• M12: 9,979,524 km (0.09 R)
• M13: 10,673,509 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.8

Radius: 10.7

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.72 AU - 6.14 AU

Year: 7424 Days

Day: 12.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,710,256 km

• M1: 134,488 km (0.079 R)
• M2: 576,401 km (0.046 R)
• M3: 953,537 km (0.078 R)
• M4: 1,655,899 km (0.075 R)
• M5: 2,052,483 km (0.102 R)
• M6: 2,958,597 km (0.061 R)
• M7: 4,341,629 km (0.107 R)
• M8: 5,799,012 km (0.106 R)
• M9: 6,142,040 km (0.072 R)
• M10: 7,683,795 km (0.097 R)
• M11: 9,147,910 km (0.06 R)
• M12: 9,983,563 km (0.087 R)
• M13: 16,048,411 km (0.091 R)
• M14: 16,569,011 km (0.119 R)
• M15: 17,699,074 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.6

Radius: 3.9

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.76 AU - 6.88 AU

Year: 9523 Days

Day: 23.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,710,256 km

• M1: 48,470 km (0.095 R)
• M2: 218,712 km (0.076 R)
• M3: 907,012 km (0.073 R)
• M4: 1,272,180 km (0.099 R)
• M5: 3,853,940 km (0.062 R)
• M6: 4,121,421 km (0.086 R)
• M7: 4,998,364 km (0.11 R)
• M8: 8,182,854 km (0.077 R)
• M9: 9,756,923 km (0.088 R)
• M10: 11,567,506 km (0.097 R)
• M11: 22,298,161 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.2

Radius: 7.2

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.79 AU - 7.65 AU

Year: 13158 Days

Day: 21.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 123.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,710,256 km

• M1: 93,349 km (0.099 R)
• M2: 328,367 km (0.095 R)
• M3: 607,218 km (0.065 R)
• M4: 944,112 km (0.045 R)
• M5: 1,238,970 km (0.105 R)
• M6: 1,594,863 km (0.101 R)
• M7: 2,633,072 km (0.1 R)
• M8: 2,951,566 km (0.106 R)
• M9: 3,391,683 km (0.107 R)
• M10: 3,982,295 km (0.119 R)
• M11: 4,374,092 km (0.116 R)
• M12: 6,388,577 km (0.053 R)
• M13: 10,486,960 km (0.045 R)
• M14: 11,677,161 km (0.074 R)
• M15: 13,815,214 km (0.077 R)
• M16: 15,310,145 km (0.033 R)
• M17: 15,648,835 km (0.092 R)
• M18: 18,388,720 km (0.084 R)
• M19: 19,395,214 km (0.117 R)
• M20: 22,459,876 km (0.087 R)
• M21: 25,642,571 km (0.059 R)
• M22: 30,159,978 km (0.095 R)
• M23: 32,885,502 km (0.096 R)
• M24: 34,597,200 km (0.083 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 18,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit