🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.83 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.4

Radius: 9.2

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.6 AU - 1.7 AU

Year: 1463 Days

Day: 12.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 26,518,737 km

• M1: 114,442 km (0.078 R)
• M2: 453,581 km (0.026 R)
• M3: 811,419 km (0.085 R)
• M4: 1,110,914 km (0.106 R)
• M5: 1,453,493 km (0.076 R)
• M6: 1,809,985 km (0.09 R)
• M7: 2,543,463 km (0.087 R)
• M8: 2,854,028 km (0.114 R)
• M9: 3,404,100 km (0.113 R)
• M10: 6,381,247 km (0.116 R)
• M11: 7,396,268 km (0.11 R)
• M12: 7,981,645 km (0.085 R)
• M13: 9,072,812 km (0.09 R)
• M14: 9,448,003 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.3

Radius: 13.2

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.6 AU - 2 AU

Year: 1667 Days

Day: 14.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,518,737 km

• M1: 164,258 km (0.072 R)
• M2: 579,692 km (0.083 R)
• M3: 1,001,259 km (0.115 R)
• M4: 1,468,752 km (0.116 R)
• M5: 2,269,400 km (0.061 R)
• M6: 4,215,518 km (0.117 R)
• M7: 4,835,751 km (0.089 R)
• M8: 6,406,678 km (0.12 R)
• M9: 6,912,618 km (0.085 R)
• M10: 7,862,415 km (0.076 R)
• M11: 8,532,763 km (0.077 R)
• M12: 9,021,350 km (0.092 R)
• M13: 9,658,338 km (0.047 R)
• M14: 12,127,151 km (0.083 R)
• M15: 13,304,187 km (0.063 R)
• M16: 13,754,477 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.9

Radius: 14.6

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.88 AU - 2.04 AU

Year: 1894 Days

Day: 5.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 26,518,737 km

• M1: 181,612 km (0.089 R)
• M2: 1,308,383 km (0.073 R)
• M3: 1,807,741 km (0.099 R)
• M4: 3,084,409 km (0.095 R)
• M5: 3,802,778 km (0.036 R)
• M6: 7,640,861 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.4

Radius: 9

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 2.19 AU - 2.21 AU

Year: 2252 Days

Day: 10 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,518,737 km

• M1: 111,899 km (0.08 R)
• M2: 395,986 km (0.045 R)
• M3: 745,895 km (0.102 R)
• M4: 1,064,838 km (0.118 R)
• M5: 1,374,655 km (0.11 R)
• M6: 1,745,209 km (0.114 R)
• M7: 2,545,109 km (0.105 R)
• M8: 3,022,027 km (0.117 R)
• M9: 3,612,938 km (0.085 R)
• M10: 4,201,007 km (0.114 R)
• M11: 4,817,500 km (0.119 R)
• M12: 5,147,663 km (0.082 R)
• M13: 7,853,140 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.4

Radius: 14.2

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.84 AU - 2.62 AU

Year: 2299 Days

Day: 5.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,518,737 km

• M1: 177,872 km (0.073 R)
• M2: 626,217 km (0.118 R)
• M3: 1,421,329 km (0.116 R)
• M4: 2,546,904 km (0.078 R)
• M5: 3,259,139 km (0.082 R)
• M6: 3,902,410 km (0.042 R)
• M7: 4,703,207 km (0.099 R)
• M8: 9,793,125 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.2

Radius: 12.8

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.65 AU - 4.87 AU

Year: 7168 Days

Day: 7.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 26,518,737 km

• M1: 159,172 km (0.081 R)
• M2: 688,898 km (0.074 R)
• M3: 1,386,323 km (0.107 R)
• M4: 2,537,479 km (0.082 R)
• M5: 3,090,393 km (0.069 R)
• M6: 3,627,599 km (0.06 R)
• M7: 4,205,645 km (0.094 R)
• M8: 5,127,617 km (0.078 R)
• M9: 5,884,283 km (0.1 R)
• M10: 7,127,441 km (0.056 R)
• M11: 9,676,589 km (0.104 R)
• M12: 11,034,339 km (0.12 R)
• M13: 14,560,510 km (0.082 R)
• M14: 16,981,752 km (0.066 R)
• M15: 18,202,770 km (0.107 R)
• M16: 20,571,502 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.1

Radius: 14.1

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.98 AU - 5.74 AU

Year: 8566 Days

Day: 6.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,518,737 km

• M1: 175,478 km (0.096 R)
• M2: 886,667 km (0.112 R)
• M3: 1,798,914 km (0.072 R)
• M4: 3,016,491 km (0.093 R)
• M5: 3,711,074 km (0.065 R)
• M6: 11,693,916 km (0.097 R)
• M7: 14,488,703 km (0.112 R)
• M8: 15,844,958 km (0.058 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 14,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit