🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.7

Radius: 13

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.45 AU - 0.61 AU

Year: 262 Days

Day: 12.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,130,974 km

• M1: 162,164 km (0.062 R)
• M2: 619,934 km (0.12 R)
• M3: 1,112,260 km (0.107 R)
• M4: 1,541,157 km (0.107 R)
• M5: 2,096,165 km (0.111 R)
• M6: 2,816,180 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.4

Radius: 12.7

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.53 AU - 0.55 AU

Year: 269 Days

Day: 8.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,130,974 km

• M1: 157,975 km (0.107 R)
• M2: 649,105 km (0.114 R)
• M3: 1,188,555 km (0.115 R)
• M4: 1,586,336 km (0.091 R)
• M5: 2,075,371 km (0.041 R)
• M6: 2,475,994 km (0.059 R)
• M7: 2,976,250 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.9

Radius: 8.9

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.52 AU - 0.62 AU

Year: 292 Days

Day: 15 Hours

Environment

Temp: -150 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,130,974 km

• M1: 110,702 km (0.077 R)
• M2: 531,372 km (0.112 R)
• M3: 883,974 km (0.079 R)
• M4: 1,306,737 km (0.066 R)
• M5: 1,827,039 km (0.083 R)
• M6: 2,389,377 km (0.12 R)
• M7: 2,711,611 km (0.098 R)
• M8: 3,072,591 km (0.109 R)
• M9: 3,434,019 km (0.054 R)
• M10: 3,835,091 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.5

Radius: 12.8

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.99 AU - 1.01 AU

Year: 678 Days

Day: 7.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,130,974 km

• M1: 159,471 km (0.064 R)
• M2: 607,068 km (0.103 R)
• M3: 1,212,940 km (0.083 R)
• M4: 1,733,241 km (0.101 R)
• M5: 2,179,791 km (0.119 R)
• M6: 3,838,981 km (0.028 R)
• M7: 4,484,495 km (0.09 R)
• M8: 5,605,582 km (0.091 R)
• M9: 6,281,016 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644

Radius: 11.8

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.25 AU - 1.69 AU

Year: 1209 Days

Day: 5.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,130,974 km

• M1: 146,756 km (0.067 R)
• M2: 1,200,224 km (0.115 R)
• M3: 1,796,072 km (0.068 R)
• M4: 2,256,684 km (0.113 R)
• M5: 3,259,139 km (0.113 R)
• M6: 3,647,794 km (0.114 R)
• M7: 5,121,782 km (0.07 R)
• M8: 6,125,285 km (0.05 R)
• M9: 6,840,063 km (0.081 R)
• M10: 7,843,716 km (0.053 R)
• M11: 8,436,273 km (0.1 R)
• M12: 8,914,388 km (0.056 R)
• M13: 9,321,743 km (0.06 R)
• M14: 9,771,883 km (0.114 R)
• M15: 11,412,223 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.4

Radius: 14.6

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.52 AU - 1.86 AU

Year: 1490 Days

Day: 14.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,130,974 km

• M1: 192,832 km (0.073 R)
• M2: 656,884 km (0.041 R)
• M3: 1,388,717 km (0.107 R)
• M4: 2,544,959 km (0.068 R)
• M5: 4,766,487 km (0.088 R)
• M6: 6,355,067 km (0.114 R)
• M7: 7,474,358 km (0.077 R)
• M8: 9,722,814 km (0.031 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965

Radius: 3

Gravity: 107.22 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.38 AU - 8.42 AU

Year: 13653 Days

Day: 24.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,130,974 km

• M1: 37,399 km (0.103 R)
• M2: 140,472 km (0.111 R)
• M3: 260,300 km (0.114 R)
• M4: 429,196 km (0.118 R)
• M5: 582,085 km (0.085 R)
• M6: 722,109 km (0.087 R)
• M7: 950,994 km (0.091 R)
• M8: 1,070,074 km (0.097 R)
• M9: 1,267,244 km (0.109 R)
• M10: 1,411,905 km (0.11 R)
• M11: 1,804,001 km (0.082 R)
• M12: 1,949,709 km (0.117 R)
• M13: 2,566,950 km (0.117 R)
• M14: 3,120,911 km (0.081 R)
• M15: 3,331,096 km (0.089 R)
• M16: 5,219,171 km (0.083 R)
• M17: 5,667,366 km (0.079 R)
• M18: 6,512,594 km (0.04 R)
• M19: 11,520,532 km (0.098 R)
• M20: 12,471,675 km (0.108 R)
• M21: 14,313,524 km (0.098 R)
• M22: 17,444,757 km (0.103 R)
• M23: 18,525,452 km (0.03 R)
• M24: 19,915,815 km (0.095 R)
• M25: 22,417,241 km (0.094 R)
• M26: 22,804,699 km (0.106 R)
• M27: 24,094,981 km (0.109 R)
• M28: 25,016,354 km (0.087 R)
• M29: 27,698,046 km (0.097 R)
• M30: 28,822,423 km (0.069 R)
• M31: 32,748,021 km (0.063 R)
• M32: 35,162,232 km (0.069 R)
• M33: 35,292,382 km (0.058 R)
• M34: 41,058,332 km (0.118 R)
• M35: 47,421,029 km (0.103 R)
• M36: 54,409,793 km (0.087 R)
• M37: 55,460,867 km (0.113 R)
• M38: 59,062,735 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 15,213 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit