🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.3

Radius: 9.7

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.9 AU - 0.9 AU

Year: 551 Days

Day: 11.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,971,693 km

• M1: 120,576 km (0.095 R)
• M2: 707,149 km (0.046 R)
• M3: 1,069,026 km (0.101 R)
• M4: 1,383,032 km (0.086 R)
• M5: 1,851,274 km (0.048 R)
• M6: 2,272,392 km (0.065 R)
• M7: 2,723,130 km (0.032 R)
• M8: 3,108,793 km (0.12 R)
• M9: 3,438,208 km (0.06 R)
• M10: 3,904,355 km (0.088 R)
• M11: 4,553,759 km (0.05 R)
• M12: 5,670,358 km (0.091 R)
• M13: 6,048,242 km (0.057 R)
• M14: 6,442,881 km (0.064 R)
• M15: 6,896,761 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.6

Radius: 14.7

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.04 AU - 1.66 AU

Year: 1013 Days

Day: 12.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,971,693 km

• M1: 205,697 km (0.12 R)
• M2: 768,783 km (0.099 R)
• M3: 1,380,489 km (0.045 R)
• M4: 2,069,687 km (0.117 R)
• M5: 2,736,743 km (0.068 R)
• M6: 3,357,575 km (0.072 R)
• M7: 4,124,413 km (0.081 R)
• M8: 4,665,060 km (0.082 R)
• M9: 5,622,636 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.1

Radius: 8.8

Gravity: 11.2 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.19 AU - 2.27 AU

Year: 2150 Days

Day: 14.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,971,693 km

• M1: 109,506 km (0.091 R)
• M2: 405,560 km (0.083 R)
• M3: 965,355 km (0.083 R)
• M4: 1,441,375 km (0.097 R)
• M5: 2,042,460 km (0.113 R)
• M6: 3,775,401 km (0.116 R)
• M7: 4,308,718 km (0.099 R)
• M8: 4,913,841 km (0.106 R)
• M9: 5,190,149 km (0.073 R)
• M10: 6,320,061 km (0.051 R)
• M11: 6,675,057 km (0.114 R)
• M12: 8,721,107 km (0.111 R)
• M13: 9,230,787 km (0.083 R)
• M14: 13,239,711 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.2

Radius: 9.6

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.29 AU - 3.69 AU

Year: 3338 Days

Day: 6.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,971,693 km

• M1: 123,568 km (0.114 R)
• M2: 817,552 km (0.09 R)
• M3: 1,175,839 km (0.095 R)
• M4: 2,475,845 km (0.104 R)
• M5: 3,007,665 km (0.102 R)
• M6: 5,407,514 km (0.117 R)
• M7: 6,482,973 km (0.106 R)
• M8: 9,827,383 km (0.033 R)
• M9: 11,202,337 km (0.119 R)
• M10: 11,868,048 km (0.12 R)
• M11: 13,376,144 km (0.081 R)
• M12: 14,227,505 km (0.047 R)
• M13: 15,598,720 km (0.116 R)
• M14: 18,540,711 km (0.053 R)
• M15: 20,369,096 km (0.107 R)
• M16: 21,026,430 km (0.068 R)
• M17: 24,527,618 km (0.118 R)

Asteroid Belt

Center: 5.82 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.1

Radius: 5.4

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 7.12 AU - 10.16 AU

Year: 16398 Days

Day: 20.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 40,971,693 km

• M1: 67,469 km (0.092 R)
• M2: 334,650 km (0.085 R)
• M3: 584,628 km (0.05 R)
• M4: 1,227,750 km (0.074 R)
• M5: 1,646,624 km (0.076 R)
• M6: 3,141,256 km (0.12 R)
• M7: 3,527,817 km (0.094 R)
• M8: 4,127,106 km (0.101 R)
• M9: 4,998,364 km (0.063 R)
• M10: 5,493,234 km (0.053 R)
• M11: 6,798,625 km (0.082 R)
• M12: 7,523,427 km (0.103 R)
• M13: 8,298,343 km (0.111 R)
• M14: 9,628,418 km (0.079 R)
• M15: 10,053,575 km (0.029 R)
• M16: 10,442,081 km (0.065 R)
• M17: 10,790,046 km (0.08 R)
• M18: 11,773,652 km (0.075 R)
• M19: 12,096,334 km (0.053 R)
• M20: 15,018,878 km (0.086 R)
• M21: 15,914,371 km (0.059 R)
• M22: 16,441,853 km (0.115 R)
• M23: 17,881,882 km (0.066 R)
• M24: 18,236,728 km (0.039 R)
• M25: 19,403,891 km (0.034 R)
• M26: 19,628,138 km (0.07 R)
• M27: 23,035,679 km (0.118 R)
• M28: 24,746,929 km (0.062 R)
• M29: 26,449,502 km (0.07 R)
• M30: 31,095,264 km (0.058 R)
• M31: 31,711,757 km (0.112 R)
• M32: 33,288,369 km (0.115 R)
• M33: 33,933,435 km (0.091 R)
• M34: 34,586,878 km (0.12 R)
• M35: 39,516,726 km (0.103 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 15,750 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit