🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.6

Radius: 12.2

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.67 AU - 1.01 AU

Year: 513 Days

Day: 9.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 15,327,586 km

• M1: 151,842 km (0.093 R)
• M2: 542,891 km (0.094 R)
• M3: 925,412 km (0.116 R)
• M4: 1,376,001 km (0.085 R)
• M5: 2,163,185 km (0.077 R)
• M6: 2,886,790 km (0.112 R)
• M7: 3,356,378 km (0.086 R)
• M8: 4,033,308 km (0.091 R)
• M9: 4,575,600 km (0.053 R)
• M10: 5,081,241 km (0.052 R)
• M11: 5,498,171 km (0.098 R)
• M12: 6,743,573 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.2

Radius: 8.9

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.88 AU - 1.18 AU

Year: 697 Days

Day: 6.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 15,327,586 km

• M1: 111,600 km (0.107 R)
• M2: 404,363 km (0.093 R)
• M3: 1,067,082 km (0.088 R)
• M4: 1,434,494 km (0.094 R)
• M5: 1,833,920 km (0.069 R)
• M6: 2,502,772 km (0.073 R)
• M7: 2,870,484 km (0.096 R)
• M8: 3,813,699 km (0.103 R)
• M9: 4,210,731 km (0.096 R)
• M10: 4,849,365 km (0.112 R)
• M11: 5,192,243 km (0.084 R)
• M12: 5,551,278 km (0.117 R)
• M13: 6,003,961 km (0.112 R)
• M14: 6,339,210 km (0.055 R)
• M15: 6,749,856 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.1

Radius: 8.7

Gravity: 13.15 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.02 AU - 1.2 AU

Year: 780 Days

Day: 12.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 15,327,586 km

• M1: 110,254 km (0.07 R)
• M2: 383,569 km (0.1 R)
• M3: 749,635 km (0.087 R)
• M4: 1,074,711 km (0.093 R)
• M5: 1,446,911 km (0.077 R)
• M6: 2,204,025 km (0.037 R)
• M7: 2,913,119 km (0.107 R)
• M8: 3,327,954 km (0.059 R)
• M9: 3,812,352 km (0.113 R)
• M10: 4,922,069 km (0.083 R)
• M11: 6,191,108 km (0.03 R)
• M12: 7,040,824 km (0.066 R)
• M13: 7,396,867 km (0.116 R)
• M14: 7,715,211 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.6

Radius: 12.3

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.24 AU - 1.9 AU

Year: 1312 Days

Day: 10.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 15,327,586 km

• M1: 153,039 km (0.103 R)
• M2: 554,859 km (0.09 R)
• M3: 1,020,257 km (0.109 R)
• M4: 1,518,269 km (0.094 R)
• M5: 1,977,684 km (0.09 R)
• M6: 2,479,286 km (0.104 R)
• M7: 3,184,191 km (0.099 R)
• M8: 4,071,904 km (0.064 R)
• M9: 4,497,510 km (0.119 R)
• M10: 5,460,472 km (0.118 R)
• M11: 6,096,712 km (0.104 R)
• M12: 6,655,908 km (0.116 R)
• M13: 7,091,089 km (0.063 R)
• M14: 8,482,349 km (0.083 R)
• M15: 9,274,021 km (0.054 R)
• M16: 9,916,244 km (0.085 R)
• M17: 11,146,687 km (0.092 R)
• M18: 12,553,206 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344

Radius: 8.8

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.72 AU - 3.78 AU

Year: 3907 Days

Day: 10.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 15,327,586 km

• M1: 118,332 km (0.102 R)
• M2: 588,219 km (0.065 R)
• M3: 1,177,485 km (0.069 R)
• M4: 1,546,543 km (0.101 R)
• M5: 2,477,640 km (0.113 R)
• M6: 3,073,638 km (0.099 R)
• M7: 3,387,943 km (0.099 R)
• M8: 5,879,196 km (0.112 R)
• M9: 6,282,961 km (0.05 R)
• M10: 6,647,681 km (0.114 R)
• M11: 6,967,222 km (0.116 R)
• M12: 7,358,121 km (0.078 R)
• M13: 9,869,121 km (0.079 R)
• M14: 10,872,624 km (0.112 R)
• M15: 12,285,725 km (0.084 R)
• M16: 12,768,029 km (0.047 R)
• M17: 16,611,048 km (0.097 R)
• M18: 19,288,102 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.5

Radius: 12.5

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.06 AU - 4 AU

Year: 4423 Days

Day: 12.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 15,327,586 km

• M1: 155,432 km (0.098 R)
• M2: 693,237 km (0.111 R)
• M3: 1,171,501 km (0.055 R)
• M4: 2,031,689 km (0.096 R)
• M5: 2,585,350 km (0.049 R)
• M6: 3,144,098 km (0.113 R)
• M7: 3,615,332 km (0.108 R)
• M8: 4,247,532 km (0.097 R)
• M9: 5,081,690 km (0.114 R)
• M10: 7,577,132 km (0.045 R)
• M11: 8,067,065 km (0.05 R)
• M12: 9,149,555 km (0.062 R)
• M13: 9,584,736 km (0.058 R)
• M14: 12,018,693 km (0.059 R)
• M15: 14,839,062 km (0.111 R)
• M16: 15,719,744 km (0.084 R)
• M17: 17,646,266 km (0.102 R)
• M18: 19,922,248 km (0.067 R)
• M19: 22,316,412 km (0.119 R)
• M20: 24,516,249 km (0.056 R)
• M21: 25,903,619 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.7

Radius: 8.7

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.56 AU - 3.58 AU

Year: 4498 Days

Day: 13.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,327,586 km

• M1: 110,104 km (0.044 R)
• M2: 487,091 km (0.075 R)
• M3: 836,102 km (0.092 R)
• M4: 1,658,292 km (0.051 R)
• M5: 2,175,003 km (0.112 R)
• M6: 2,599,113 km (0.096 R)
• M7: 2,926,733 km (0.089 R)
• M8: 3,362,811 km (0.112 R)
• M9: 4,463,851 km (0.075 R)
• M10: 7,192,516 km (0.1 R)
• M11: 10,909,874 km (0.057 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 12,187 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit