🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.6

Radius: 9.2

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.67 AU - 0.69 AU

Year: 374 Days

Day: 6.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 18,134,542 km

• M1: 114,592 km (0.071 R)
• M2: 446,250 km (0.104 R)
• M3: 920,924 km (0.105 R)
• M4: 1,848,282 km (0.092 R)
• M5: 2,343,750 km (0.079 R)
• M6: 3,166,389 km (0.082 R)
• M7: 4,251,721 km (0.094 R)
• M8: 4,841,885 km (0.059 R)
• M9: 5,752,038 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.7

Radius: 9.4

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.68 AU - 0.9 AU

Year: 468 Days

Day: 6.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,134,542 km

• M1: 116,836 km (0.078 R)
• M2: 505,042 km (0.034 R)
• M3: 820,245 km (0.109 R)
• M4: 1,147,266 km (0.098 R)
• M5: 1,683,275 km (0.083 R)
• M6: 2,423,037 km (0.101 R)
• M7: 2,797,929 km (0.044 R)
• M8: 3,320,774 km (0.101 R)
• M9: 3,982,595 km (0.115 R)
• M10: 4,292,113 km (0.107 R)
• M11: 4,800,895 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.8

Radius: 9.9

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.8 AU - 0.92 AU

Year: 532 Days

Day: 11.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 18,134,542 km

• M1: 123,119 km (0.098 R)
• M2: 547,977 km (0.103 R)
• M3: 973,583 km (0.063 R)
• M4: 1,298,510 km (0.091 R)
• M5: 1,874,312 km (0.117 R)
• M6: 2,378,457 km (0.03 R)
• M7: 3,162,948 km (0.115 R)
• M8: 3,496,850 km (0.119 R)
• M9: 4,001,444 km (0.082 R)
• M10: 4,480,456 km (0.103 R)
• M11: 5,189,101 km (0.102 R)
• M12: 5,604,535 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56

Radius: 9.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.72 AU - 1.2 AU

Year: 627 Days

Day: 8.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,134,542 km

• M1: 120,277 km (0.057 R)
• M2: 557,102 km (0.105 R)
• M3: 1,148,313 km (0.104 R)
• M4: 1,562,849 km (0.099 R)
• M5: 2,014,335 km (0.106 R)
• M6: 2,730,760 km (0.109 R)
• M7: 3,162,200 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775

Radius: 11.2

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.93 AU - 1.31 AU

Year: 790 Days

Day: 10.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,134,542 km

• M1: 139,276 km (0.106 R)
• M2: 590,762 km (0.114 R)
• M3: 992,731 km (0.1 R)
• M4: 1,646,624 km (0.069 R)
• M5: 2,115,763 km (0.049 R)
• M6: 2,708,619 km (0.042 R)
• M7: 3,089,645 km (0.114 R)
• M8: 3,961,352 km (0.093 R)
• M9: 4,323,827 km (0.031 R)
• M10: 4,674,335 km (0.052 R)
• M11: 5,134,498 km (0.12 R)
• M12: 5,566,836 km (0.109 R)
• M13: 6,612,675 km (0.074 R)
• M14: 7,931,380 km (0.1 R)
• M15: 8,433,430 km (0.077 R)
• M16: 8,850,210 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.4

Radius: 12.5

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.24 AU - 1.38 AU

Year: 1000 Days

Day: 14 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,134,542 km

• M1: 157,377 km (0.119 R)
• M2: 598,990 km (0.077 R)
• M3: 1,080,396 km (0.084 R)
• M4: 1,800,560 km (0.098 R)
• M5: 2,375,614 km (0.036 R)
• M6: 3,833,146 km (0.116 R)
• M7: 4,238,407 km (0.103 R)
• M8: 4,687,500 km (0.059 R)
• M9: 5,232,634 km (0.075 R)
• M10: 5,872,165 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.1

Radius: 12

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.33 AU - 3.17 AU

Year: 3041 Days

Day: 7 Hours

Environment

Temp: -204 °C

Axial Tilt: 164.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 18,134,542 km

• M1: 150,346 km (0.062 R)
• M2: 569,968 km (0.063 R)
• M3: 981,362 km (0.077 R)
• M4: 1,579,155 km (0.094 R)
• M5: 2,736,893 km (0.114 R)
• M6: 3,586,310 km (0.112 R)
• M7: 4,540,146 km (0.093 R)
• M8: 5,319,999 km (0.077 R)
• M9: 5,729,898 km (0.102 R)
• M10: 6,778,579 km (0.107 R)
• M11: 7,232,459 km (0.118 R)
• M12: 10,885,489 km (0.071 R)
• M13: 12,115,483 km (0.106 R)
• M14: 13,480,264 km (0.117 R)
• M15: 15,087,544 km (0.115 R)
• M16: 15,666,936 km (0.105 R)
• M17: 16,973,374 km (0.107 R)
• M18: 17,919,581 km (0.039 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 17,372 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit