🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.2

Radius: 12.7

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.81 AU - 1.11 AU

Year: 607 Days

Day: 5.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,622,577 km

• M1: 157,975 km (0.08 R)
• M2: 585,077 km (0.1 R)
• M3: 1,031,328 km (0.111 R)
• M4: 1,433,148 km (0.111 R)
• M5: 1,863,840 km (0.068 R)
• M6: 2,402,691 km (0.099 R)
• M7: 3,884,159 km (0.116 R)
• M8: 4,755,268 km (0.098 R)
• M9: 5,848,080 km (0.046 R)
• M10: 6,260,820 km (0.113 R)
• M11: 6,777,831 km (0.095 R)
• M12: 7,733,761 km (0.117 R)
• M13: 8,232,371 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.1

Radius: 8.6

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.48 AU - 1.76 AU

Year: 1331 Days

Day: 9.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,622,577 km

• M1: 106,962 km (0.109 R)
• M2: 400,473 km (0.09 R)
• M3: 725,998 km (0.09 R)
• M4: 1,210,845 km (0.085 R)
• M5: 1,697,337 km (0.064 R)
• M6: 2,128,179 km (0.091 R)
• M7: 3,265,273 km (0.093 R)
• M8: 3,537,391 km (0.106 R)
• M9: 5,021,701 km (0.037 R)
• M10: 5,891,763 km (0.094 R)
• M11: 7,404,945 km (0.076 R)
• M12: 8,828,070 km (0.029 R)
• M13: 9,161,224 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.3

Radius: 9.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.42 AU - 2.86 AU

Year: 2770 Days

Day: 11.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 74 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,622,577 km

• M1: 118,182 km (0.094 R)
• M2: 534,364 km (0.114 R)
• M3: 1,652,458 km (0.096 R)
• M4: 2,076,867 km (0.066 R)
• M5: 3,278,288 km (0.032 R)
• M6: 3,622,662 km (0.061 R)
• M7: 4,165,254 km (0.09 R)
• M8: 4,570,365 km (0.07 R)
• M9: 5,227,398 km (0.065 R)
• M10: 6,225,366 km (0.109 R)
• M11: 6,593,825 km (0.068 R)
• M12: 9,321,443 km (0.112 R)
• M13: 10,858,412 km (0.112 R)
• M14: 11,162,096 km (0.071 R)
• M15: 11,628,093 km (0.107 R)
• M16: 12,107,105 km (0.11 R)
• M17: 13,147,110 km (0.025 R)
• M18: 14,021,360 km (0.08 R)
• M19: 14,887,232 km (0.091 R)
• M20: 17,130,751 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.7

Radius: 13.2

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.65 AU - 5.17 AU

Year: 5980 Days

Day: 7.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,622,577 km

• M1: 164,408 km (0.069 R)
• M2: 630,555 km (0.111 R)
• M3: 1,329,027 km (0.096 R)
• M4: 1,826,440 km (0.115 R)
• M5: 2,498,135 km (0.115 R)
• M6: 2,934,661 km (0.108 R)
• M7: 5,898,644 km (0.104 R)
• M8: 7,452,816 km (0.064 R)
• M9: 8,027,272 km (0.1 R)
• M10: 9,768,891 km (0.105 R)
• M11: 13,343,681 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 183.6

Radius: 8

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.71 AU - 8.35 AU

Year: 13342 Days

Day: 22.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,622,577 km

• M1: 170,691 km (0.056 R)
• M2: 786,735 km (0.06 R)
• M3: 1,212,341 km (0.046 R)
• M4: 7,928,388 km (0.106 R)
• M5: 8,788,426 km (0.089 R)
• M6: 9,395,494 km (0.082 R)
• M7: 15,670,078 km (0.093 R)
• M8: 17,758,165 km (0.106 R)
• M9: 21,613,152 km (0.108 R)
• M10: 24,782,533 km (0.102 R)
• M11: 31,125,632 km (0.034 R)
• M12: 31,523,413 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208

Radius: 7.8

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.98 AU - 9.46 AU

Year: 15217 Days

Day: 19.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,622,577 km

• M1: 97,388 km (0.058 R)
• M2: 1,667,268 km (0.044 R)
• M3: 2,717,894 km (0.073 R)
• M4: 3,719,452 km (0.036 R)
• M5: 4,372,746 km (0.102 R)
• M6: 5,905,675 km (0.088 R)
• M7: 7,056,980 km (0.085 R)
• M8: 9,654,897 km (0.03 R)
• M9: 10,330,481 km (0.095 R)
• M10: 11,037,181 km (0.083 R)
• M11: 11,992,513 km (0.101 R)
• M12: 17,469,441 km (0.073 R)
• M13: 26,957,387 km (0.099 R)
• M14: 27,429,667 km (0.042 R)
• M15: 31,201,628 km (0.069 R)
• M16: 33,427,644 km (0.109 R)
• M17: 34,523,897 km (0.119 R)
• M18: 35,984,721 km (0.051 R)
• M19: 37,838,537 km (0.044 R)
• M20: 38,430,795 km (0.078 R)
• M21: 39,029,037 km (0.1 R)
• M22: 39,512,238 km (0.109 R)
• M23: 40,121,700 km (0.115 R)
• M24: 41,234,559 km (0.107 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: 470 - 12,109 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit