🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.1

Radius: 12.5

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.55 AU - 0.81 AU

Year: 380 Days

Day: 9.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,036,272 km

• M1: 155,432 km (0.109 R)
• M2: 675,434 km (0.091 R)
• M3: 1,121,984 km (0.108 R)
• M4: 1,608,327 km (0.105 R)
• M5: 2,218,985 km (0.026 R)
• M6: 3,021,279 km (0.101 R)
• M7: 3,897,174 km (0.119 R)
• M8: 4,342,228 km (0.093 R)
• M9: 4,964,405 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.9

Radius: 8.4

Gravity: 12.56 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.66 AU - 0.72 AU

Year: 389 Days

Day: 12.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,036,272 km

• M1: 104,419 km (0.104 R)
• M2: 405,111 km (0.112 R)
• M3: 677,678 km (0.108 R)
• M4: 956,529 km (0.11 R)
• M5: 1,247,497 km (0.068 R)
• M6: 1,535,173 km (0.089 R)
• M7: 2,339,112 km (0.033 R)
• M8: 3,164,893 km (0.081 R)
• M9: 3,876,081 km (0.101 R)
• M10: 4,527,280 km (0.113 R)
• M11: 5,595,858 km (0.116 R)
• M12: 5,975,238 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980

Radius: 8.4

Gravity: 13.89 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1 AU - 1.42 AU

Year: 903 Days

Day: 5.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,036,272 km

• M1: 104,419 km (0.102 R)
• M2: 440,865 km (0.118 R)
• M3: 793,467 km (0.113 R)
• M4: 1,172,847 km (0.093 R)
• M5: 1,574,817 km (0.087 R)
• M6: 1,856,659 km (0.113 R)
• M7: 2,337,916 km (0.044 R)
• M8: 2,939,598 km (0.077 R)
• M9: 3,241,636 km (0.063 R)
• M10: 3,796,644 km (0.119 R)
• M11: 4,172,733 km (0.043 R)
• M12: 4,555,554 km (0.066 R)
• M13: 4,848,467 km (0.095 R)
• M14: 5,452,244 km (0.103 R)
• M15: 6,691,962 km (0.045 R)
• M16: 7,023,171 km (0.115 R)
• M17: 8,903,467 km (0.08 R)
• M18: 9,333,710 km (0.106 R)
• M19: 9,687,958 km (0.115 R)
• M20: 10,804,557 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.3

Radius: 12.4

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.22 AU - 1.22 AU

Year: 914 Days

Day: 13.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 155.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,036,272 km

• M1: 154,385 km (0.046 R)
• M2: 674,088 km (0.062 R)
• M3: 1,082,341 km (0.099 R)
• M4: 1,552,676 km (0.098 R)
• M5: 1,947,615 km (0.114 R)
• M6: 2,399,251 km (0.119 R)
• M7: 2,793,291 km (0.068 R)
• M8: 3,203,040 km (0.08 R)
• M9: 3,933,676 km (0.091 R)
• M10: 4,718,167 km (0.078 R)
• M11: 5,343,038 km (0.075 R)
• M12: 6,174,054 km (0.11 R)
• M13: 6,712,905 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.1

Radius: 10.9

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.47 AU - 2.19 AU

Year: 1679 Days

Day: 5 Hours

Environment

Temp: -206 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,036,272 km

• M1: 135,536 km (0.119 R)
• M2: 520,601 km (0.053 R)
• M3: 1,062,294 km (0.054 R)
• M4: 1,759,271 km (0.106 R)
• M5: 2,378,457 km (0.092 R)
• M6: 2,725,673 km (0.105 R)
• M7: 3,247,321 km (0.07 R)
• M8: 3,888,049 km (0.077 R)
• M9: 5,156,190 km (0.083 R)
• M10: 6,324,998 km (0.112 R)
• M11: 7,605,556 km (0.036 R)
• M12: 7,951,127 km (0.095 R)
• M13: 8,337,389 km (0.12 R)
• M14: 8,987,990 km (0.074 R)
• M15: 9,472,986 km (0.069 R)
• M16: 9,975,485 km (0.103 R)
• M17: 11,291,498 km (0.07 R)
• M18: 11,780,234 km (0.085 R)
• M19: 12,165,748 km (0.053 R)
• M20: 13,043,738 km (0.084 R)
• M21: 13,540,103 km (0.056 R)
• M22: 14,570,833 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.3

Radius: 9.2

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.65 AU - 2.61 AU

Year: 2108 Days

Day: 8.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,036,272 km

• M1: 114,742 km (0.106 R)
• M2: 470,485 km (0.053 R)
• M3: 829,371 km (0.072 R)
• M4: 1,120,787 km (0.106 R)
• M5: 1,580,053 km (0.05 R)
• M6: 1,879,996 km (0.12 R)
• M7: 2,172,610 km (0.098 R)
• M8: 2,597,617 km (0.049 R)
• M9: 3,135,871 km (0.082 R)
• M10: 3,950,132 km (0.054 R)
• M11: 4,529,225 km (0.107 R)
• M12: 5,310,126 km (0.116 R)
• M13: 5,766,400 km (0.114 R)
• M14: 6,857,566 km (0.093 R)
• M15: 7,639,963 km (0.052 R)
• M16: 8,422,659 km (0.096 R)
• M17: 9,759,316 km (0.084 R)
• M18: 12,886,361 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.6

Radius: 11.1

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.77 AU - 4.19 AU

Year: 5385 Days

Day: 8.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,036,272 km

• M1: 139,874 km (0.071 R)
• M2: 486,343 km (0.11 R)
• M3: 1,016,218 km (0.117 R)
• M4: 1,592,320 km (0.109 R)
• M5: 2,154,509 km (0.063 R)
• M6: 2,616,467 km (0.073 R)
• M7: 3,129,887 km (0.088 R)
• M8: 3,710,027 km (0.084 R)
• M9: 4,593,702 km (0.077 R)
• M10: 6,175,101 km (0.078 R)
• M11: 6,823,159 km (0.109 R)
• M12: 7,313,242 km (0.085 R)
• M13: 8,200,506 km (0.104 R)
• M14: 9,304,988 km (0.109 R)
• M15: 10,829,839 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.6

Radius: 14.9

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.81 AU - 5.37 AU

Year: 7789 Days

Day: 7.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 170.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,036,272 km

• M1: 185,352 km (0.112 R)
• M2: 661,971 km (0.098 R)
• M3: 1,396,197 km (0.107 R)
• M4: 1,903,783 km (0.062 R)
• M5: 3,263,926 km (0.067 R)
• M6: 5,704,316 km (0.069 R)
• M7: 6,415,953 km (0.042 R)
• M8: 6,960,041 km (0.043 R)
• M9: 7,495,751 km (0.094 R)
• M10: 8,435,674 km (0.094 R)
• M11: 11,999,844 km (0.086 R)
• M12: 13,171,195 km (0.029 R)
• M13: 14,417,495 km (0.114 R)
• M14: 15,354,875 km (0.106 R)
• M15: 22,180,427 km (0.119 R)
• M16: 23,429,869 km (0.104 R)
• M17: 24,813,799 km (0.077 R)
• M18: 25,615,793 km (0.06 R)
• M19: 27,084,395 km (0.082 R)
• M20: 27,839,416 km (0.058 R)
• M21: 29,688,894 km (0.097 R)
• M22: 33,094,041 km (0.092 R)
• M23: 35,615,962 km (0.09 R)
• M24: 36,294,388 km (0.106 R)
• M25: 41,535,998 km (0.078 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 12,295 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit