🌌 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: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.6

Radius: 12.8

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.74 AU - 0.92 AU

Year: 496 Days

Day: 8.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,636,186 km

• M1: 159,172 km (0.098 R)
• M2: 568,622 km (0.107 R)
• M3: 1,084,585 km (0.08 R)
• M4: 2,097,811 km (0.115 R)
• M5: 2,617,664 km (0.066 R)
• M6: 3,372,983 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.9

Radius: 14

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.4 AU - 1.56 AU

Year: 1181 Days

Day: 10.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,636,186 km

• M1: 174,132 km (0.117 R)
• M2: 649,853 km (0.095 R)
• M3: 1,146,967 km (0.099 R)
• M4: 1,695,841 km (0.107 R)
• M5: 2,432,013 km (0.039 R)
• M6: 2,998,540 km (0.101 R)
• M7: 3,542,328 km (0.108 R)
• M8: 4,547,027 km (0.07 R)
• M9: 5,006,891 km (0.06 R)
• M10: 6,249,152 km (0.069 R)
• M11: 8,315,996 km (0.109 R)
• M12: 9,800,157 km (0.102 R)
• M13: 11,524,422 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.2

Radius: 14.8

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.39 AU - 2.41 AU

Year: 2439 Days

Day: 9 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,636,186 km

• M1: 184,005 km (0.1 R)
• M2: 674,836 km (0.078 R)
• M3: 1,151,754 km (0.071 R)
• M4: 2,123,392 km (0.062 R)
• M5: 2,615,569 km (0.112 R)
• M6: 3,575,838 km (0.062 R)
• M7: 5,569,978 km (0.109 R)
• M8: 6,242,570 km (0.119 R)
• M9: 7,779,837 km (0.092 R)
• M10: 8,559,990 km (0.093 R)
• M11: 9,065,481 km (0.065 R)
• M12: 11,554,940 km (0.108 R)
• M13: 13,646,916 km (0.118 R)
• M14: 14,470,901 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.1

Radius: 13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.15 AU - 2.91 AU

Year: 2640 Days

Day: 12.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,636,186 km

• M1: 161,715 km (0.067 R)
• M2: 619,036 km (0.073 R)
• M3: 1,308,233 km (0.092 R)
• M4: 1,790,537 km (0.098 R)
• M5: 2,356,615 km (0.115 R)
• M6: 3,407,391 km (0.105 R)
• M7: 4,541,193 km (0.1 R)
• M8: 4,964,106 km (0.095 R)
• M9: 5,392,405 km (0.102 R)
• M10: 6,115,711 km (0.091 R)
• M11: 11,781,580 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.5

Radius: 13.8

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.88 AU - 3.96 AU

Year: 4149 Days

Day: 6.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 41,636,186 km

• M1: 171,589 km (0.091 R)
• M2: 638,933 km (0.045 R)
• M3: 1,235,080 km (0.064 R)
• M4: 1,979,479 km (0.076 R)
• M5: 2,656,559 km (0.103 R)
• M6: 3,144,697 km (0.083 R)
• M7: 3,909,591 km (0.117 R)
• M8: 4,795,509 km (0.043 R)
• M9: 5,785,099 km (0.094 R)
• M10: 6,584,550 km (0.117 R)
• M11: 7,056,532 km (0.04 R)
• M12: 7,710,424 km (0.093 R)
• M13: 9,103,629 km (0.096 R)
• M14: 10,264,060 km (0.067 R)
• M15: 14,486,011 km (0.102 R)
• M16: 15,751,309 km (0.096 R)
• M17: 21,110,354 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260

Radius: 14.1

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.02 AU - 5.02 AU

Year: 7378 Days

Day: 11.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,636,186 km

• M1: 177,872 km (0.102 R)
• M2: 754,721 km (0.109 R)
• M3: 1,243,607 km (0.068 R)
• M4: 2,493,497 km (0.102 R)
• M5: 3,611,891 km (0.043 R)
• M6: 5,121,184 km (0.037 R)
• M7: 5,784,650 km (0.118 R)
• M8: 7,523,427 km (0.113 R)
• M9: 8,570,013 km (0.085 R)
• M10: 9,711,445 km (0.072 R)
• M11: 12,489,328 km (0.11 R)
• M12: 12,932,586 km (0.051 R)
• M13: 13,386,466 km (0.028 R)
• M14: 15,931,724 km (0.085 R)
• M15: 26,117,993 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 246.3

Radius: 3.5

Gravity: 20.11 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.38 AU - 7.64 AU

Year: 13501 Days

Day: 25 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 41,636,186 km

• M1: 43,533 km (0.098 R)
• M2: 186,698 km (0.087 R)
• M3: 319,840 km (0.051 R)
• M4: 604,226 km (0.111 R)
• M5: 908,508 km (0.08 R)
• M6: 1,122,134 km (0.107 R)
• M7: 1,355,955 km (0.118 R)
• M8: 1,967,960 km (0.095 R)
• M9: 2,307,846 km (0.056 R)
• M10: 2,847,595 km (0.077 R)
• M11: 3,538,438 km (0.119 R)
• M12: 3,961,352 km (0.092 R)
• M13: 5,757,872 km (0.041 R)
• M14: 7,039,328 km (0.11 R)
• M15: 7,426,337 km (0.093 R)
• M16: 8,716,769 km (0.091 R)
• M17: 10,895,811 km (0.092 R)
• M18: 15,762,828 km (0.104 R)
• M19: 18,373,910 km (0.087 R)
• M20: 21,259,204 km (0.115 R)
• M21: 23,825,705 km (0.105 R)
• M22: 24,872,142 km (0.066 R)
• M23: 28,484,482 km (0.113 R)
• M24: 28,776,048 km (0.072 R)
• M25: 36,612,583 km (0.12 R)
• M26: 37,769,722 km (0.081 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 19,369 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit