🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.2

Radius: 9

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.49 AU - 0.71 AU

Year: 321 Days

Day: 6.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,706,886 km

• M1: 121,324 km (0.088 R)
• M2: 481,406 km (0.084 R)
• M3: 814,710 km (0.119 R)
• M4: 1,191,846 km (0.059 R)
• M5: 2,114,267 km (0.048 R)
• M6: 2,396,558 km (0.1 R)
• M7: 3,048,057 km (0.066 R)
• M8: 3,701,051 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.3

Radius: 10.4

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.72 AU - 0.86 AU

Year: 485 Days

Day: 11.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,706,886 km

• M1: 129,701 km (0.026 R)
• M2: 538,852 km (0.078 R)
• M3: 946,207 km (0.112 R)
• M4: 1,279,959 km (0.117 R)
• M5: 1,709,455 km (0.08 R)
• M6: 2,607,192 km (0.04 R)
• M7: 3,233,408 km (0.095 R)
• M8: 4,068,912 km (0.114 R)
• M9: 5,042,196 km (0.094 R)
• M10: 6,089,232 km (0.057 R)
• M11: 6,605,195 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.8

Radius: 12.3

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.98 AU - 1.04 AU

Year: 701 Days

Day: 7.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,706,886 km

• M1: 154,684 km (0.113 R)
• M2: 613,351 km (0.089 R)
• M3: 1,229,545 km (0.077 R)
• M4: 1,726,509 km (0.113 R)
• M5: 2,115,463 km (0.118 R)
• M6: 2,639,056 km (0.073 R)
• M7: 3,027,263 km (0.061 R)
• M8: 4,815,705 km (0.03 R)
• M9: 5,692,349 km (0.07 R)
• M10: 6,168,967 km (0.11 R)
• M11: 6,693,009 km (0.081 R)
• M12: 7,094,679 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.3

Radius: 13.2

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.52 AU - 2.04 AU

Year: 1639 Days

Day: 6.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,706,886 km

• M1: 164,109 km (0.106 R)
• M2: 615,745 km (0.087 R)
• M3: 1,060,649 km (0.12 R)
• M4: 1,704,967 km (0.077 R)
• M5: 3,235,503 km (0.119 R)
• M6: 4,250,524 km (0.084 R)
• M7: 4,780,699 km (0.118 R)
• M8: 5,392,405 km (0.113 R)
• M9: 5,914,801 km (0.06 R)
• M10: 6,620,753 km (0.076 R)
• M11: 8,126,755 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.4

Radius: 8.6

Gravity: 10.62 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.45 AU - 5.41 AU

Year: 6436 Days

Day: 5.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,706,886 km

• M1: 109,057 km (0.109 R)
• M2: 428,149 km (0.041 R)
• M3: 703,708 km (0.076 R)
• M4: 1,387,071 km (0.038 R)
• M5: 3,666,195 km (0.091 R)
• M6: 4,154,183 km (0.063 R)
• M7: 4,440,663 km (0.096 R)
• M8: 4,768,283 km (0.093 R)
• M9: 6,011,590 km (0.053 R)
• M10: 6,797,129 km (0.066 R)
• M11: 8,781,096 km (0.075 R)
• M12: 9,211,190 km (0.077 R)
• M13: 11,677,909 km (0.095 R)
• M14: 12,517,751 km (0.055 R)
• M15: 12,788,374 km (0.092 R)
• M16: 15,402,597 km (0.073 R)
• M17: 20,145,747 km (0.066 R)
• M18: 23,908,732 km (0.052 R)
• M19: 25,867,716 km (0.115 R)
• M20: 28,300,925 km (0.091 R)
• M21: 35,097,306 km (0.094 R)
• M22: 35,962,131 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.4

Radius: 6.3

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.8 AU - 10.48 AU

Year: 17530 Days

Day: 19.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,706,886 km

• M1: 78,389 km (0.068 R)
• M2: 402,269 km (0.103 R)
• M3: 667,954 km (0.099 R)
• M4: 952,639 km (0.116 R)
• M5: 1,153,549 km (0.08 R)
• M6: 1,628,373 km (0.083 R)
• M7: 2,890,530 km (0.06 R)
• M8: 4,096,887 km (0.06 R)
• M9: 5,089,619 km (0.109 R)
• M10: 5,896,101 km (0.118 R)
• M11: 6,947,924 km (0.03 R)
• M12: 7,367,546 km (0.073 R)
• M13: 8,028,469 km (0.063 R)
• M14: 8,824,479 km (0.047 R)
• M15: 9,366,921 km (0.12 R)
• M16: 10,682,036 km (0.092 R)
• M17: 11,297,930 km (0.065 R)
• M18: 11,643,651 km (0.096 R)
• M19: 12,661,814 km (0.106 R)
• M20: 12,972,230 km (0.062 R)
• M21: 15,429,524 km (0.108 R)
• M22: 17,946,359 km (0.075 R)
• M23: 18,496,580 km (0.083 R)
• M24: 23,776,038 km (0.082 R)
• M25: 30,198,724 km (0.071 R)
• M26: 31,540,617 km (0.055 R)
• M27: 31,768,005 km (0.118 R)
• M28: 32,226,224 km (0.065 R)
• M29: 34,583,288 km (0.089 R)
• M30: 34,825,188 km (0.095 R)
• M31: 38,201,611 km (0.095 R)
• M32: 38,589,818 km (0.085 R)
• M33: 41,244,881 km (0.081 R)
• M34: 45,018,936 km (0.065 R)
• M35: 45,596,833 km (0.07 R)
• M36: 51,809,782 km (0.107 R)
• M37: 53,406,290 km (0.071 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 19,294 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit