🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532

Radius: 9.2

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.39 AU - 0.63 AU

Year: 247 Days

Day: 6.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,151,504 km

• M1: 114,442 km (0.079 R)
• M2: 410,497 km (0.118 R)
• M3: 717,172 km (0.055 R)
• M4: 1,033,272 km (0.084 R)
• M5: 1,438,683 km (0.097 R)
• M6: 1,860,100 km (0.089 R)
• M7: 2,200,884 km (0.119 R)
• M8: 2,491,702 km (0.099 R)
• M9: 2,889,632 km (0.079 R)
• M10: 3,191,072 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.5

Radius: 11.7

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.6 AU - 0.6 AU

Year: 315 Days

Day: 13.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,151,504 km

• M1: 145,559 km (0.112 R)
• M2: 522,695 km (0.102 R)
• M3: 905,516 km (0.075 R)
• M4: 1,383,481 km (0.091 R)
• M5: 1,944,772 km (0.11 R)
• M6: 2,341,207 km (0.095 R)
• M7: 2,841,911 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.2

Radius: 11.9

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.95 AU - 1.45 AU

Year: 892 Days

Day: 5 Hours

Environment

Temp: -189 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,151,504 km

• M1: 148,401 km (0.106 R)
• M2: 528,529 km (0.071 R)
• M3: 915,689 km (0.084 R)
• M4: 1,662,631 km (0.094 R)
• M5: 2,322,507 km (0.119 R)
• M6: 3,937,416 km (0.092 R)
• M7: 4,508,431 km (0.11 R)
• M8: 6,136,505 km (0.108 R)
• M9: 7,168,281 km (0.064 R)
• M10: 7,738,548 km (0.039 R)
• M11: 8,179,413 km (0.055 R)
• M12: 9,283,146 km (0.094 R)
• M13: 9,961,423 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.9

Radius: 13.7

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.11 AU - 1.35 AU

Year: 925 Days

Day: 10.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,151,504 km

• M1: 172,786 km (0.098 R)
• M2: 630,854 km (0.112 R)
• M3: 1,058,255 km (0.105 R)
• M4: 1,707,959 km (0.076 R)
• M5: 2,582,658 km (0.095 R)
• M6: 3,529,313 km (0.08 R)
• M7: 4,563,782 km (0.06 R)
• M8: 6,165,676 km (0.078 R)
• M9: 7,184,139 km (0.084 R)
• M10: 8,189,137 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.1

Radius: 8.7

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.1 AU - 1.46 AU

Year: 982 Days

Day: 7.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,151,504 km

• M1: 108,309 km (0.067 R)
• M2: 530,025 km (0.064 R)
• M3: 859,889 km (0.046 R)
• M4: 1,257,520 km (0.05 R)
• M5: 1,613,114 km (0.09 R)
• M6: 2,054,876 km (0.112 R)
• M7: 2,429,320 km (0.093 R)
• M8: 2,739,735 km (0.108 R)
• M9: 3,221,590 km (0.027 R)
• M10: 4,018,348 km (0.057 R)
• M11: 5,104,130 km (0.101 R)
• M12: 6,121,395 km (0.1 R)
• M13: 6,656,058 km (0.108 R)
• M14: 7,432,770 km (0.118 R)
• M15: 8,116,732 km (0.068 R)
• M16: 9,084,181 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.6

Radius: 10.4

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.15 AU - 3.67 AU

Year: 4271 Days

Day: 7.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,151,504 km

• M1: 129,402 km (0.077 R)
• M2: 457,321 km (0.111 R)
• M3: 925,113 km (0.066 R)
• M4: 1,596,508 km (0.07 R)
• M5: 2,119,353 km (0.114 R)
• M6: 2,967,274 km (0.076 R)
• M7: 3,915,575 km (0.09 R)
• M8: 5,516,721 km (0.098 R)
• M9: 6,339,659 km (0.08 R)
• M10: 7,515,647 km (0.056 R)
• M11: 8,339,632 km (0.112 R)
• M12: 9,064,733 km (0.068 R)
• M13: 9,422,721 km (0.068 R)
• M14: 10,040,111 km (0.08 R)
• M15: 11,310,497 km (0.115 R)
• M16: 12,635,784 km (0.085 R)
• M17: 13,592,163 km (0.12 R)
• M18: 16,164,948 km (0.086 R)
• M19: 18,217,430 km (0.106 R)
• M20: 24,402,704 km (0.087 R)
• M21: 25,883,723 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.7

Radius: 11.6

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.95 AU - 5.63 AU

Year: 8252 Days

Day: 11.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,151,504 km

• M1: 144,212 km (0.096 R)
• M2: 542,143 km (0.1 R)
• M3: 1,158,336 km (0.114 R)
• M4: 2,739,436 km (0.043 R)
• M5: 3,999,200 km (0.084 R)
• M6: 4,640,526 km (0.035 R)
• M7: 7,178,155 km (0.098 R)
• M8: 8,126,755 km (0.051 R)
• M9: 8,519,898 km (0.095 R)
• M10: 9,439,626 km (0.05 R)
• M11: 11,915,919 km (0.1 R)
• M12: 13,065,579 km (0.104 R)
• M13: 14,037,217 km (0.051 R)
• M14: 17,099,785 km (0.117 R)
• M15: 17,529,579 km (0.103 R)
• M16: 18,711,253 km (0.112 R)
• M17: 21,397,432 km (0.109 R)
• M18: 24,511,462 km (0.11 R)
• M19: 25,800,247 km (0.038 R)
• M20: 26,556,614 km (0.077 R)
• M21: 27,425,179 km (0.111 R)
• M22: 27,915,860 km (0.11 R)
• M23: 28,914,725 km (0.039 R)
• M24: 34,839,100 km (0.097 R)
• M25: 40,757,641 km (0.07 R)
• M26: 41,912,985 km (0.098 R)
• M27: 45,237,050 km (0.119 R)

Asteroid Belt

Center: 5.56 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.9

Radius: 5.5

Gravity: 9.85 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.2 AU - 6.44 AU

Year: 9523 Days

Day: 17.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 35,151,504 km

• M1: 68,366 km (0.097 R)
• M2: 484,248 km (0.114 R)
• M3: 872,006 km (0.074 R)
• M4: 1,186,012 km (0.117 R)
• M5: 2,101,850 km (0.086 R)
• M6: 2,612,278 km (0.063 R)
• M7: 3,244,030 km (0.037 R)
• M8: 3,505,527 km (0.071 R)
• M9: 4,375,289 km (0.083 R)
• M10: 4,694,830 km (0.089 R)
• M11: 6,807,900 km (0.104 R)
• M12: 7,092,136 km (0.088 R)
• M13: 7,310,399 km (0.118 R)
• M14: 9,395,195 km (0.103 R)
• M15: 9,927,165 km (0.095 R)
• M16: 10,292,782 km (0.116 R)
• M17: 11,197,251 km (0.113 R)
• M18: 13,163,117 km (0.1 R)
• M19: 14,516,678 km (0.051 R)
• M20: 14,750,948 km (0.05 R)
• M21: 15,227,118 km (0.099 R)
• M22: 15,408,281 km (0.069 R)
• M23: 15,898,514 km (0.109 R)
• M24: 16,781,291 km (0.092 R)
• M25: 17,762,802 km (0.078 R)
• M26: 18,782,162 km (0.064 R)
• M27: 26,944,222 km (0.1 R)
• M28: 27,745,019 km (0.07 R)
• M29: 28,653,378 km (0.085 R)
• M30: 30,242,855 km (0.118 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 19,967 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit