🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.7

Radius: 13

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.98 AU - 1.03 AU

Year: 667 Days

Day: 7.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,732,316 km

• M1: 163,361 km (0.049 R)
• M2: 604,675 km (0.093 R)
• M3: 1,041,201 km (0.084 R)
• M4: 1,512,285 km (0.111 R)
• M5: 2,038,869 km (0.12 R)
• M6: 3,355,630 km (0.114 R)
• M7: 4,331,606 km (0.081 R)
• M8: 5,041,747 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.5

Radius: 14.2

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.99 AU - 1.05 AU

Year: 687 Days

Day: 11.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,732,316 km

• M1: 179,218 km (0.036 R)
• M2: 677,379 km (0.106 R)
• M3: 1,326,784 km (0.091 R)
• M4: 1,788,891 km (0.116 R)
• M5: 2,263,715 km (0.106 R)
• M6: 2,983,580 km (0.081 R)
• M7: 3,488,772 km (0.083 R)
• M8: 4,642,022 km (0.083 R)
• M9: 5,342,439 km (0.068 R)
• M10: 5,903,880 km (0.101 R)
• M11: 6,747,911 km (0.102 R)
• M12: 7,603,910 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.2

Radius: 14

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.41 AU - 6.07 AU

Year: 7999 Days

Day: 8.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,732,316 km

• M1: 174,730 km (0.075 R)
• M2: 642,523 km (0.106 R)
• M3: 1,242,859 km (0.089 R)
• M4: 1,707,510 km (0.109 R)
• M5: 3,313,892 km (0.071 R)
• M6: 5,198,376 km (0.118 R)
• M7: 5,648,367 km (0.083 R)
• M8: 10,471,253 km (0.095 R)
• M9: 15,310,295 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.2

Radius: 7.7

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.34 AU - 9.62 AU

Year: 15033 Days

Day: 18.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,732,316 km

• M1: 106,514 km (0.077 R)
• M2: 591,510 km (0.096 R)
• M3: 1,433,896 km (0.089 R)
• M4: 2,514,740 km (0.115 R)
• M5: 3,720,050 km (0.119 R)
• M6: 4,557,499 km (0.087 R)
• M7: 4,948,398 km (0.075 R)
• M8: 6,530,396 km (0.115 R)
• M9: 9,362,134 km (0.103 R)
• M10: 12,116,530 km (0.12 R)
• M11: 16,505,881 km (0.105 R)
• M12: 17,428,302 km (0.062 R)
• M13: 17,698,176 km (0.056 R)
• M14: 31,121,892 km (0.061 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 304.7

Radius: 4.5

Gravity: 15.05 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 8.38 AU - 9.02 AU

Year: 17112 Days

Day: 18 Hours

Environment

Temp: -238 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,732,316 km

• M1: 56,099 km (0.114 R)
• M2: 683,961 km (0.12 R)
• M3: 1,357,900 km (0.119 R)
• M4: 1,834,519 km (0.104 R)
• M5: 3,327,954 km (0.101 R)
• M6: 3,713,019 km (0.106 R)
• M7: 4,070,259 km (0.113 R)
• M8: 5,589,724 km (0.102 R)
• M9: 6,170,463 km (0.05 R)
• M10: 7,157,061 km (0.116 R)
• M11: 11,182,441 km (0.064 R)
• M12: 11,693,318 km (0.108 R)
• M13: 12,101,271 km (0.093 R)
• M14: 13,635,846 km (0.111 R)
• M15: 14,153,155 km (0.109 R)
• M16: 16,570,956 km (0.106 R)
• M17: 17,459,418 km (0.114 R)
• M18: 17,838,798 km (0.093 R)
• M19: 19,089,885 km (0.083 R)
• M20: 19,330,887 km (0.1 R)
• M21: 25,740,109 km (0.045 R)
• M22: 28,363,906 km (0.106 R)
• M23: 29,632,795 km (0.08 R)
• M24: 32,625,351 km (0.115 R)
• M25: 33,782,790 km (0.09 R)
• M26: 34,490,387 km (0.109 R)
• M27: 36,548,705 km (0.036 R)
• M28: 37,923,210 km (0.081 R)
• M29: 40,642,450 km (0.066 R)
• M30: 44,889,833 km (0.104 R)
• M31: 45,744,635 km (0.082 R)
• M32: 46,032,013 km (0.108 R)
• M33: 49,122,256 km (0.068 R)
• M34: 49,877,875 km (0.114 R)
• M35: 50,641,273 km (0.08 R)
• M36: 51,257,466 km (0.103 R)
• M37: 51,412,300 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.2

Radius: 4.9

Gravity: 18.25 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 9.3 AU - 10.94 AU

Year: 21468 Days

Day: 24.5 Hours

Environment

Temp: -245 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,732,316 km

• M1: 61,036 km (0.116 R)
• M2: 375,042 km (0.102 R)
• M3: 670,049 km (0.096 R)
• M4: 832,811 km (0.071 R)
• M5: 1,489,097 km (0.074 R)
• M6: 1,753,137 km (0.096 R)
• M7: 2,736,295 km (0.115 R)
• M8: 4,010,420 km (0.055 R)
• M9: 4,197,417 km (0.104 R)
• M10: 4,656,683 km (0.107 R)
• M11: 5,185,062 km (0.077 R)
• M12: 5,950,555 km (0.053 R)
• M13: 6,194,249 km (0.083 R)
• M14: 6,444,676 km (0.076 R)
• M15: 10,576,569 km (0.099 R)
• M16: 11,177,355 km (0.097 R)
• M17: 12,980,308 km (0.058 R)
• M18: 14,453,398 km (0.093 R)
• M19: 15,801,873 km (0.1 R)
• M20: 22,133,304 km (0.074 R)
• M21: 25,056,895 km (0.118 R)
• M22: 27,216,789 km (0.108 R)
• M23: 33,026,572 km (0.089 R)
• M24: 34,957,582 km (0.097 R)
• M25: 38,761,407 km (0.079 R)
• M26: 40,908,286 km (0.119 R)
• M27: 43,133,105 km (0.106 R)
• M28: 46,065,373 km (0.06 R)
• M29: 47,499,568 km (0.117 R)
• M30: 48,635,465 km (0.093 R)
• M31: 52,323,202 km (0.091 R)
• M32: 58,566,968 km (0.106 R)
• M33: 59,310,769 km (0.083 R)
• M34: 62,929,541 km (0.119 R)
• M35: 64,891,966 km (0.092 R)
• M36: 65,090,482 km (0.116 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: 543 - 16,995 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit