🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.6

Radius: 13.5

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.7 AU - 0.94 AU

Year: 522 Days

Day: 6.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,333,728 km

• M1: 168,148 km (0.105 R)
• M2: 591,959 km (0.102 R)
• M3: 1,154,596 km (0.082 R)
• M4: 1,677,591 km (0.104 R)
• M5: 2,392,968 km (0.101 R)
• M6: 3,458,852 km (0.059 R)
• M7: 4,050,213 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.9

Radius: 9.3

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.47 AU - 1.61 AU

Year: 1343 Days

Day: 11.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 78.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,333,728 km

• M1: 115,639 km (0.103 R)
• M2: 473,926 km (0.067 R)
• M3: 849,267 km (0.04 R)
• M4: 1,160,131 km (0.045 R)
• M5: 2,107,086 km (0.08 R)
• M6: 2,445,925 km (0.094 R)
• M7: 2,794,787 km (0.093 R)
• M8: 3,471,269 km (0.089 R)
• M9: 4,097,934 km (0.085 R)
• M10: 4,429,593 km (0.105 R)
• M11: 5,984,214 km (0.116 R)
• M12: 6,343,399 km (0.099 R)
• M13: 9,246,196 km (0.05 R)
• M14: 9,727,302 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27

Radius: 14.8

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.35 AU - 3.69 AU

Year: 4642 Days

Day: 9.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,333,728 km

• M1: 184,155 km (0.08 R)
• M2: 650,751 km (0.043 R)
• M3: 1,199,476 km (0.11 R)
• M4: 2,205,372 km (0.095 R)
• M5: 3,006,020 km (0.06 R)
• M6: 4,650,848 km (0.09 R)
• M7: 5,750,542 km (0.116 R)
• M8: 6,481,328 km (0.114 R)
• M9: 8,542,038 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.4

Radius: 15

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.62 AU - 4.06 AU

Year: 5289 Days

Day: 11.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,333,728 km

• M1: 186,549 km (0.05 R)
• M2: 689,048 km (0.12 R)
• M3: 1,683,126 km (0.075 R)
• M4: 2,263,266 km (0.101 R)
• M5: 2,758,435 km (0.082 R)
• M6: 3,512,259 km (0.114 R)
• M7: 4,858,939 km (0.044 R)
• M8: 5,491,588 km (0.103 R)
• M9: 7,264,772 km (0.029 R)
• M10: 8,669,346 km (0.103 R)
• M11: 10,030,238 km (0.065 R)
• M12: 10,648,975 km (0.09 R)
• M13: 11,434,513 km (0.105 R)
• M14: 12,159,465 km (0.045 R)
• M15: 13,488,642 km (0.117 R)
• M16: 15,312,688 km (0.04 R)
• M17: 19,109,632 km (0.101 R)
• M18: 20,833,149 km (0.105 R)
• M19: 22,062,844 km (0.12 R)
• M20: 23,264,114 km (0.118 R)
• M21: 24,036,638 km (0.051 R)
• M22: 25,147,103 km (0.103 R)
• M23: 28,508,268 km (0.063 R)
• M24: 30,296,561 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.8

Radius: 9.4

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.1 AU - 4.78 AU

Year: 5497 Days

Day: 8.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,333,728 km

• M1: 116,986 km (0.103 R)
• M2: 666,907 km (0.065 R)
• M3: 1,240,316 km (0.109 R)
• M4: 1,536,071 km (0.051 R)
• M5: 1,936,844 km (0.069 R)
• M6: 2,951,416 km (0.103 R)
• M7: 3,401,407 km (0.118 R)
• M8: 4,362,573 km (0.052 R)
• M9: 4,783,242 km (0.039 R)
• M10: 5,465,109 km (0.11 R)
• M11: 6,675,506 km (0.032 R)
• M12: 6,986,669 km (0.051 R)
• M13: 9,188,600 km (0.069 R)
• M14: 10,378,053 km (0.097 R)
• M15: 10,891,024 km (0.08 R)
• M16: 11,917,266 km (0.062 R)
• M17: 13,438,676 km (0.055 R)
• M18: 15,144,690 km (0.12 R)
• M19: 17,182,811 km (0.099 R)
• M20: 17,572,215 km (0.106 R)
• M21: 18,234,185 km (0.081 R)
• M22: 21,123,219 km (0.101 R)
• M23: 22,948,762 km (0.12 R)
• M24: 29,792,715 km (0.067 R)
• M25: 30,733,835 km (0.071 R)
• M26: 31,597,613 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294

Radius: 5.6

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 4.8 AU - 7 AU

Year: 10074 Days

Day: 15.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 36,333,728 km

• M1: 70,012 km (0.068 R)
• M2: 425,008 km (0.051 R)
• M3: 1,048,831 km (0.093 R)
• M4: 1,432,998 km (0.084 R)
• M5: 2,012,839 km (0.06 R)
• M6: 2,407,927 km (0.116 R)
• M7: 4,414,932 km (0.105 R)
• M8: 6,302,708 km (0.042 R)
• M9: 6,645,137 km (0.087 R)
• M10: 6,963,781 km (0.118 R)
• M11: 8,300,887 km (0.068 R)
• M12: 8,796,355 km (0.076 R)
• M13: 10,353,968 km (0.085 R)
• M14: 10,638,204 km (0.12 R)
• M15: 11,674,618 km (0.045 R)
• M16: 17,411,547 km (0.061 R)
• M17: 18,567,340 km (0.106 R)
• M18: 22,497,874 km (0.05 R)
• M19: 25,121,073 km (0.097 R)
• M20: 31,456,991 km (0.112 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 16,669 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit