🌌 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: 750.8

Radius: 10.9

Gravity: 6.32 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.51 AU - 0.85 AU

Year: 387 Days

Day: 9.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,313,723 km

• M1: 135,685 km (0.055 R)
• M2: 553,363 km (0.066 R)
• M3: 957,277 km (0.084 R)
• M4: 1,309,879 km (0.07 R)
• M5: 1,679,535 km (0.088 R)
• M6: 2,204,175 km (0.045 R)
• M7: 2,596,869 km (0.119 R)
• M8: 2,961,439 km (0.045 R)
• M9: 3,337,379 km (0.105 R)
• M10: 4,267,429 km (0.03 R)
• M11: 4,808,225 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.7

Radius: 11.6

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.54 AU - 0.86 AU

Year: 404 Days

Day: 13.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,313,723 km

• M1: 144,512 km (0.113 R)
• M2: 562,787 km (0.116 R)
• M3: 1,141,581 km (0.065 R)
• M4: 1,546,244 km (0.064 R)
• M5: 2,090,032 km (0.044 R)
• M6: 2,518,031 km (0.076 R)
• M7: 2,993,603 km (0.118 R)
• M8: 3,590,648 km (0.101 R)
• M9: 4,031,812 km (0.108 R)
• M10: 4,393,390 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.3

Radius: 8.6

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.98 AU - 1.32 AU

Year: 851 Days

Day: 9 Hours

Environment

Temp: -172 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,313,723 km

• M1: 106,962 km (0.066 R)
• M2: 918,381 km (0.102 R)
• M3: 1,457,831 km (0.084 R)
• M4: 1,977,385 km (0.103 R)
• M5: 3,017,987 km (0.088 R)
• M6: 4,491,826 km (0.114 R)

Asteroid Belt

Center: 1.99 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104

Radius: 8.3

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.15 AU - 3.51 AU

Year: 3286 Days

Day: 12.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,313,723 km

• M1: 104,120 km (0.099 R)
• M2: 459,415 km (0.097 R)
• M3: 750,233 km (0.112 R)
• M4: 1,364,781 km (0.069 R)
• M5: 1,704,817 km (0.047 R)
• M6: 2,101,102 km (0.094 R)
• M7: 2,646,536 km (0.112 R)
• M8: 5,361,588 km (0.113 R)
• M9: 5,788,839 km (0.109 R)
• M10: 6,711,708 km (0.084 R)
• M11: 8,359,230 km (0.095 R)
• M12: 9,112,006 km (0.063 R)
• M13: 10,292,483 km (0.085 R)
• M14: 11,606,700 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.1

Radius: 8.3

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.97 AU - 5.13 AU

Year: 6699 Days

Day: 12.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,313,723 km

• M1: 130,001 km (0.097 R)
• M2: 574,456 km (0.109 R)
• M3: 1,289,534 km (0.073 R)
• M4: 2,150,021 km (0.115 R)
• M5: 3,627,000 km (0.109 R)
• M6: 4,059,488 km (0.118 R)
• M7: 6,110,774 km (0.109 R)
• M8: 6,657,554 km (0.102 R)
• M9: 8,301,335 km (0.107 R)
• M10: 8,972,132 km (0.064 R)
• M11: 13,138,882 km (0.043 R)
• M12: 15,935,614 km (0.11 R)
• M13: 18,310,031 km (0.109 R)
• M14: 19,173,660 km (0.07 R)
• M15: 22,749,797 km (0.108 R)
• M16: 24,854,489 km (0.109 R)
• M17: 27,685,330 km (0.048 R)
• M18: 30,724,261 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.1

Radius: 8.4

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.08 AU - 5.72 AU

Year: 8662 Days

Day: 11.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,313,723 km

• M1: 114,293 km (0.096 R)
• M2: 614,398 km (0.097 R)
• M3: 1,135,747 km (0.104 R)
• M4: 1,529,489 km (0.113 R)
• M5: 3,996,358 km (0.105 R)
• M6: 4,704,554 km (0.056 R)
• M7: 5,996,032 km (0.061 R)
• M8: 6,432,260 km (0.108 R)
• M9: 7,651,781 km (0.091 R)
• M10: 8,053,302 km (0.107 R)
• M11: 8,819,692 km (0.109 R)
• M12: 9,550,029 km (0.064 R)
• M13: 10,015,877 km (0.037 R)
• M14: 10,364,140 km (0.118 R)
• M15: 11,270,255 km (0.098 R)
• M16: 12,129,994 km (0.064 R)
• M17: 16,366,456 km (0.033 R)
• M18: 17,157,230 km (0.117 R)
• M19: 17,909,408 km (0.097 R)
• M20: 18,422,978 km (0.054 R)
• M21: 18,880,298 km (0.095 R)
• M22: 25,135,135 km (0.054 R)
• M23: 26,516,372 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253.1

Radius: 4.8

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.14 AU - 8.42 AU

Year: 13558 Days

Day: 17 Hours

Environment

Temp: -232 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,313,723 km

• M1: 60,138 km (0.027 R)
• M2: 545,434 km (0.1 R)
• M3: 733,030 km (0.12 R)
• M4: 1,241,812 km (0.071 R)
• M5: 1,894,807 km (0.113 R)
• M6: 2,613,624 km (0.085 R)
• M7: 3,023,672 km (0.077 R)
• M8: 3,177,010 km (0.071 R)
• M9: 3,996,956 km (0.069 R)
• M10: 6,182,880 km (0.085 R)
• M11: 7,568,156 km (0.091 R)
• M12: 11,037,780 km (0.045 R)
• M13: 11,775,297 km (0.096 R)
• M14: 14,429,612 km (0.114 R)
• M15: 16,698,114 km (0.058 R)
• M16: 21,926,859 km (0.08 R)
• M17: 23,343,401 km (0.072 R)
• M18: 23,685,382 km (0.036 R)
• M19: 23,944,186 km (0.088 R)
• M20: 24,292,001 km (0.049 R)
• M21: 33,468,185 km (0.112 R)
• M22: 33,902,917 km (0.115 R)
• M23: 35,006,500 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.2

Radius: 6.2

Gravity: 17.38 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 6.09 AU - 9.49 AU

Year: 15008 Days

Day: 16.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,313,723 km

• M1: 77,043 km (0.077 R)
• M2: 545,733 km (0.111 R)
• M3: 844,330 km (0.031 R)
• M4: 1,808,339 km (0.104 R)
• M5: 2,354,670 km (0.102 R)
• M6: 2,677,503 km (0.101 R)
• M7: 3,005,122 km (0.054 R)
• M8: 3,255,250 km (0.03 R)
• M9: 4,366,463 km (0.114 R)
• M10: 4,589,962 km (0.108 R)
• M11: 5,487,848 km (0.074 R)
• M12: 8,627,608 km (0.115 R)
• M13: 9,554,068 km (0.11 R)
• M14: 9,822,746 km (0.108 R)
• M15: 10,832,083 km (0.067 R)
• M16: 11,481,936 km (0.117 R)
• M17: 15,198,844 km (0.078 R)
• M18: 15,787,811 km (0.089 R)
• M19: 18,963,774 km (0.094 R)
• M20: 19,217,791 km (0.038 R)
• M21: 20,081,121 km (0.12 R)
• M22: 22,826,242 km (0.04 R)
• M23: 42,779,456 km (0.062 R)
• M24: 48,540,021 km (0.086 R)
• M25: 49,334,535 km (0.028 R)
• M26: 52,266,354 km (0.112 R)
• M27: 60,832,029 km (0.09 R)
• M28: 61,755,198 km (0.088 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 19,022 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit