🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.4

Radius: 10.1

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.63 AU - 1.89 AU

Year: 1485 Days

Day: 7.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,669,913 km

• M1: 125,662 km (0.101 R)
• M2: 475,272 km (0.03 R)
• M3: 901,776 km (0.113 R)
• M4: 1,337,704 km (0.096 R)
• M5: 1,750,295 km (0.09 R)
• M6: 2,529,700 km (0.068 R)
• M7: 3,412,477 km (0.079 R)
• M8: 5,253,877 km (0.109 R)
• M9: 6,550,741 km (0.075 R)
• M10: 8,380,323 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.2

Radius: 9.9

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.76 AU - 1.94 AU

Year: 1600 Days

Day: 11.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 99.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,669,913 km

• M1: 123,269 km (0.08 R)
• M2: 1,025,344 km (0.1 R)
• M3: 1,506,750 km (0.111 R)
• M4: 2,297,375 km (0.099 R)
• M5: 3,740,844 km (0.109 R)
• M6: 6,382,444 km (0.115 R)
• M7: 6,705,425 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.3

Radius: 15

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.66 AU - 2.94 AU

Year: 2979 Days

Day: 6.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,669,913 km

• M1: 186,549 km (0.085 R)
• M2: 777,311 km (0.076 R)
• M3: 1,416,093 km (0.114 R)
• M4: 1,897,948 km (0.098 R)
• M5: 4,663,564 km (0.1 R)
• M6: 6,269,348 km (0.11 R)
• M7: 7,463,288 km (0.044 R)
• M8: 8,040,586 km (0.111 R)
• M9: 9,615,553 km (0.099 R)
• M10: 10,125,981 km (0.103 R)
• M11: 10,762,520 km (0.092 R)
• M12: 11,238,690 km (0.104 R)
• M13: 12,591,503 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.3

Radius: 13.9

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.07 AU - 3.47 AU

Year: 3760 Days

Day: 5.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,669,913 km

• M1: 172,935 km (0.103 R)
• M2: 613,202 km (0.064 R)
• M3: 1,085,033 km (0.097 R)
• M4: 1,613,862 km (0.099 R)
• M5: 4,541,343 km (0.062 R)
• M6: 5,048,779 km (0.116 R)
• M7: 7,601,666 km (0.049 R)
• M8: 9,234,078 km (0.072 R)
• M9: 13,473,831 km (0.089 R)
• M10: 14,271,637 km (0.112 R)
• M11: 15,312,988 km (0.107 R)
• M12: 19,359,760 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.2

Radius: 13.3

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.48 AU - 4 AU

Year: 4599 Days

Day: 5.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,669,913 km

• M1: 165,605 km (0.086 R)
• M2: 609,163 km (0.1 R)
• M3: 1,235,379 km (0.076 R)
• M4: 2,305,154 km (0.061 R)
• M5: 2,968,321 km (0.051 R)
• M6: 3,421,602 km (0.047 R)
• M7: 4,679,272 km (0.045 R)
• M8: 5,297,410 km (0.088 R)
• M9: 6,547,450 km (0.09 R)
• M10: 7,452,068 km (0.049 R)
• M11: 8,981,557 km (0.114 R)
• M12: 10,098,305 km (0.101 R)
• M13: 11,877,323 km (0.056 R)
• M14: 14,156,596 km (0.11 R)
• M15: 15,829,699 km (0.119 R)
• M16: 18,340,699 km (0.082 R)
• M17: 19,007,905 km (0.109 R)
• M18: 21,172,587 km (0.088 R)
• M19: 21,974,431 km (0.091 R)
• M20: 24,139,860 km (0.089 R)

Asteroid Belt

Center: 4.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.4

Radius: 12.9

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 3.7 AU - 5.62 AU

Year: 6396 Days

Day: 12.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,669,913 km

• M1: 162,014 km (0.097 R)
• M2: 567,724 km (0.092 R)
• M3: 1,092,214 km (0.106 R)
• M4: 2,632,474 km (0.086 R)
• M5: 3,075,433 km (0.104 R)
• M6: 3,699,705 km (0.086 R)
• M7: 4,258,752 km (0.083 R)
• M8: 4,662,367 km (0.084 R)
• M9: 5,147,214 km (0.107 R)
• M10: 5,635,950 km (0.105 R)
• M11: 6,740,730 km (0.074 R)
• M12: 7,291,699 km (0.043 R)
• M13: 10,971,209 km (0.096 R)
• M14: 12,280,788 km (0.108 R)
• M15: 13,369,412 km (0.067 R)
• M16: 13,964,812 km (0.083 R)
• M17: 15,442,539 km (0.112 R)
• M18: 16,280,287 km (0.105 R)
• M19: 17,981,365 km (0.097 R)
• M20: 18,976,191 km (0.098 R)
• M21: 23,480,583 km (0.045 R)
• M22: 24,508,021 km (0.11 R)
• M23: 27,596,768 km (0.097 R)
• M24: 30,936,241 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.2

Radius: 14

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.53 AU - 5.75 AU

Year: 8516 Days

Day: 8.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,669,913 km

• M1: 174,431 km (0.114 R)
• M2: 641,176 km (0.093 R)
• M3: 2,033,334 km (0.102 R)
• M4: 2,791,347 km (0.111 R)
• M5: 3,354,134 km (0.045 R)
• M6: 3,910,788 km (0.109 R)
• M7: 5,064,786 km (0.112 R)
• M8: 9,079,394 km (0.074 R)
• M9: 9,556,910 km (0.075 R)
• M10: 11,638,116 km (0.116 R)
• M11: 12,558,891 km (0.049 R)
• M12: 13,861,589 km (0.109 R)
• M13: 16,680,013 km (0.097 R)
• M14: 18,427,017 km (0.066 R)
• M15: 19,375,019 km (0.03 R)
• M16: 20,107,300 km (0.087 R)
• M17: 21,304,233 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.7

Radius: 10.6

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.05 AU - 6.89 AU

Year: 9275 Days

Day: 12.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,669,913 km

• M1: 132,693 km (0.038 R)
• M2: 648,208 km (0.12 R)
• M3: 1,455,886 km (0.109 R)
• M4: 1,964,519 km (0.091 R)
• M5: 3,038,333 km (0.115 R)
• M6: 4,525,485 km (0.119 R)
• M7: 8,312,854 km (0.091 R)
• M8: 9,102,582 km (0.062 R)
• M9: 10,511,345 km (0.037 R)
• M10: 11,434,663 km (0.081 R)
• M11: 12,950,089 km (0.079 R)
• M12: 15,468,270 km (0.111 R)
• M13: 19,152,716 km (0.105 R)
• M14: 24,392,531 km (0.098 R)
• M15: 28,924,599 km (0.114 R)
• M16: 33,756,760 km (0.114 R)
• M17: 34,337,798 km (0.079 R)
• M18: 38,467,447 km (0.112 R)
• M19: 38,974,135 km (0.042 R)
• M20: 42,242,100 km (0.067 R)
• M21: 42,781,401 km (0.045 R)
• M22: 43,188,756 km (0.082 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: 489 - 12,899 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit