🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.3

Radius: 14.9

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.59 AU - 0.63 AU

Year: 318 Days

Day: 11 Hours

Environment

Temp: -147 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,010,497 km

• M1: 185,352 km (0.102 R)
• M2: 666,608 km (0.083 R)
• M3: 1,308,533 km (0.109 R)
• M4: 1,963,322 km (0.1 R)
• M5: 2,473,152 km (0.073 R)
• M6: 2,955,306 km (0.116 R)
• M7: 3,521,085 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.9

Radius: 10

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.83 AU - 0.87 AU

Year: 523 Days

Day: 9.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,010,497 km

• M1: 126,261 km (0.094 R)
• M2: 468,391 km (0.087 R)
• M3: 807,529 km (0.04 R)
• M4: 1,209,200 km (0.086 R)
• M5: 1,714,990 km (0.048 R)
• M6: 2,467,018 km (0.075 R)
• M7: 2,836,226 km (0.111 R)
• M8: 3,153,673 km (0.085 R)
• M9: 3,773,457 km (0.041 R)
• M10: 4,252,768 km (0.089 R)
• M11: 5,349,620 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.6

Radius: 8.2

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.68 AU - 1.04 AU

Year: 532 Days

Day: 9.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,010,497 km

• M1: 102,026 km (0.097 R)
• M2: 403,166 km (0.116 R)
• M3: 996,172 km (0.095 R)
• M4: 1,355,955 km (0.049 R)
• M5: 1,699,581 km (0.114 R)
• M6: 1,965,267 km (0.112 R)
• M7: 2,451,012 km (0.077 R)
• M8: 2,887,538 km (0.043 R)
• M9: 3,237,896 km (0.112 R)
• M10: 3,638,819 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.7

Radius: 10.9

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.86 AU - 0.98 AU

Year: 588 Days

Day: 10.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,010,497 km

• M1: 136,134 km (0.05 R)
• M2: 657,034 km (0.088 R)
• M3: 1,299,258 km (0.113 R)
• M4: 1,656,048 km (0.101 R)
• M5: 2,159,445 km (0.099 R)
• M6: 3,419,807 km (0.057 R)
• M7: 4,549,122 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.7

Radius: 11.7

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.15 AU - 1.59 AU

Year: 1069 Days

Day: 11.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 155.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 24,010,497 km

• M1: 145,708 km (0.041 R)
• M2: 655,089 km (0.106 R)
• M3: 1,507,947 km (0.063 R)
• M4: 3,312,097 km (0.074 R)
• M5: 3,828,509 km (0.076 R)
• M6: 4,247,532 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.2

Radius: 11.6

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.28 AU - 1.52 AU

Year: 1105 Days

Day: 14.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,010,497 km

• M1: 144,212 km (0.077 R)
• M2: 605,273 km (0.045 R)
• M3: 1,001,558 km (0.037 R)
• M4: 1,610,421 km (0.083 R)
• M5: 2,214,647 km (0.034 R)
• M6: 2,965,479 km (0.12 R)
• M7: 3,487,276 km (0.112 R)
• M8: 3,894,631 km (0.087 R)
• M9: 4,592,056 km (0.093 R)
• M10: 5,410,207 km (0.11 R)
• M11: 6,128,277 km (0.099 R)
• M12: 6,521,719 km (0.12 R)
• M13: 7,167,533 km (0.106 R)
• M14: 7,679,307 km (0.117 R)
• M15: 8,640,773 km (0.113 R)
• M16: 9,249,487 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.4

Radius: 10.2

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.39 AU - 1.63 AU

Year: 1237 Days

Day: 7.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,010,497 km

• M1: 127,158 km (0.1 R)
• M2: 516,711 km (0.076 R)
• M3: 847,921 km (0.047 R)
• M4: 1,365,230 km (0.095 R)
• M5: 1,867,580 km (0.109 R)
• M6: 2,584,303 km (0.055 R)
• M7: 3,935,172 km (0.065 R)
• M8: 4,383,666 km (0.099 R)
• M9: 5,383,878 km (0.08 R)
• M10: 7,728,675 km (0.089 R)
• M11: 9,470,443 km (0.117 R)
• M12: 10,558,019 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.4

Radius: 14.4

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.59 AU - 4.17 AU

Year: 4144 Days

Day: 6.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 172.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,010,497 km

• M1: 180,415 km (0.105 R)
• M2: 1,132,306 km (0.102 R)
• M3: 1,636,750 km (0.087 R)
• M4: 2,307,547 km (0.088 R)
• M5: 2,814,684 km (0.063 R)
• M6: 3,415,319 km (0.102 R)
• M7: 4,275,208 km (0.104 R)
• M8: 5,913,903 km (0.087 R)
• M9: 6,485,068 km (0.11 R)
• M10: 7,061,767 km (0.111 R)
• M11: 7,805,419 km (0.071 R)
• M12: 9,954,093 km (0.111 R)
• M13: 11,272,200 km (0.08 R)
• M14: 17,264,193 km (0.046 R)
• M15: 17,726,450 km (0.118 R)
• M16: 21,795,063 km (0.101 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 18,663 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit