🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.7

Radius: 11.5

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.06 AU - 1.54 AU

Year: 972 Days

Day: 10.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,325,774 km

• M1: 143,016 km (0.066 R)
• M2: 591,660 km (0.066 R)
• M3: 1,996,234 km (0.092 R)
• M4: 2,416,006 km (0.052 R)
• M5: 3,494,157 km (0.028 R)
• M6: 4,125,909 km (0.108 R)
• M7: 4,706,199 km (0.102 R)
• M8: 5,091,264 km (0.058 R)
• M9: 6,223,122 km (0.083 R)
• M10: 6,688,222 km (0.098 R)
• M11: 7,296,337 km (0.087 R)
• M12: 7,788,963 km (0.088 R)
• M13: 8,650,347 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.8

Radius: 11

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.48 AU - 2.76 AU

Year: 2782 Days

Day: 6.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,325,774 km

• M1: 136,732 km (0.069 R)
• M2: 518,506 km (0.111 R)
• M3: 1,024,297 km (0.088 R)
• M4: 1,378,544 km (0.096 R)
• M5: 1,942,828 km (0.067 R)
• M6: 2,293,036 km (0.116 R)
• M7: 2,715,800 km (0.113 R)
• M8: 3,412,776 km (0.108 R)
• M9: 4,887,662 km (0.079 R)
• M10: 6,022,661 km (0.117 R)
• M11: 6,419,544 km (0.036 R)
• M12: 7,504,128 km (0.06 R)
• M13: 9,888,270 km (0.066 R)
• M14: 11,451,418 km (0.109 R)
• M15: 12,524,334 km (0.065 R)
• M16: 13,483,555 km (0.068 R)
• M17: 14,304,249 km (0.111 R)
• M18: 15,944,739 km (0.099 R)
• M19: 17,071,062 km (0.083 R)
• M20: 17,815,012 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64

Radius: 13.8

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.04 AU - 4.96 AU

Year: 6262 Days

Day: 8.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,325,774 km

• M1: 171,589 km (0.083 R)
• M2: 943,813 km (0.113 R)
• M3: 1,550,133 km (0.081 R)
• M4: 2,411,667 km (0.111 R)
• M5: 3,852,744 km (0.026 R)
• M6: 4,456,820 km (0.098 R)
• M7: 5,211,391 km (0.106 R)
• M8: 8,918,576 km (0.11 R)
• M9: 12,078,532 km (0.084 R)
• M10: 13,888,367 km (0.063 R)
• M11: 14,813,331 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.5

Radius: 11.2

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.99 AU - 6.37 AU

Year: 7734 Days

Day: 8 Hours

Environment

Temp: -223 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,325,774 km

• M1: 139,276 km (0.108 R)
• M2: 559,795 km (0.062 R)
• M3: 1,179,878 km (0.069 R)
• M4: 1,899,295 km (0.08 R)
• M5: 2,307,547 km (0.08 R)
• M6: 2,755,443 km (0.1 R)
• M7: 3,593,790 km (0.093 R)
• M8: 4,048,118 km (0.081 R)
• M9: 4,928,502 km (0.056 R)
• M10: 6,062,603 km (0.07 R)
• M11: 9,717,878 km (0.08 R)
• M12: 11,644,399 km (0.079 R)
• M13: 12,643,563 km (0.114 R)
• M14: 15,732,610 km (0.114 R)
• M15: 17,755,622 km (0.07 R)
• M16: 19,221,082 km (0.057 R)
• M17: 19,873,180 km (0.072 R)
• M18: 26,245,750 km (0.04 R)
• M19: 31,409,419 km (0.086 R)
• M20: 32,010,803 km (0.077 R)
• M21: 32,824,466 km (0.094 R)
• M22: 34,599,295 km (0.055 R)
• M23: 35,133,359 km (0.062 R)
• M24: 35,672,809 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.1

Radius: 8

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 7.74 AU - 10.3 AU

Year: 17771 Days

Day: 23.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,325,774 km

• M1: 107,112 km (0.111 R)
• M2: 3,006,020 km (0.106 R)
• M3: 3,725,885 km (0.088 R)
• M4: 4,113,193 km (0.096 R)
• M5: 7,221,388 km (0.116 R)
• M6: 12,170,984 km (0.109 R)
• M7: 16,635,582 km (0.088 R)
• M8: 20,152,628 km (0.084 R)
• M9: 24,757,550 km (0.111 R)
• M10: 29,210,779 km (0.109 R)
• M11: 35,749,553 km (0.096 R)
• M12: 37,850,655 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 313.6

Radius: 7.1

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 8.29 AU - 10.79 AU

Year: 19330 Days

Day: 17 Hours

Environment

Temp: -219 °C

Axial Tilt: 179.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,325,774 km

• M1: 93,499 km (0.046 R)
• M2: 379,530 km (0.074 R)
• M3: 618,438 km (0.082 R)
• M4: 1,484,310 km (0.096 R)
• M5: 1,760,617 km (0.119 R)
• M6: 2,871,531 km (0.045 R)
• M7: 4,120,374 km (0.119 R)
• M8: 5,659,587 km (0.111 R)
• M9: 11,430,175 km (0.12 R)
• M10: 12,575,646 km (0.049 R)
• M11: 18,728,307 km (0.096 R)
• M12: 19,552,890 km (0.079 R)
• M13: 36,367,691 km (0.075 R)
• M14: 38,039,896 km (0.118 R)
• M15: 42,513,770 km (0.118 R)
• M16: 46,724,352 km (0.075 R)
• M17: 52,813,583 km (0.091 R)
• M18: 56,641,643 km (0.071 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 17,815 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit