🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.4

Radius: 11.4

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.92 AU - 1.08 AU

Year: 667 Days

Day: 10.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,191,529 km

• M1: 141,819 km (0.105 R)
• M2: 641,775 km (0.084 R)
• M3: 1,138,739 km (0.087 R)
• M4: 1,674,599 km (0.118 R)
• M5: 2,168,720 km (0.097 R)
• M6: 2,572,335 km (0.11 R)
• M7: 3,038,183 km (0.075 R)
• M8: 4,752,126 km (0.081 R)
• M9: 5,191,944 km (0.057 R)
• M10: 7,563,818 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.8

Radius: 9.6

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.48 AU - 2.42 AU

Year: 1816 Days

Day: 12 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,191,529 km

• M1: 119,529 km (0.114 R)
• M2: 646,412 km (0.113 R)
• M3: 975,528 km (0.115 R)
• M4: 1,307,186 km (0.063 R)
• M5: 1,962,126 km (0.085 R)
• M6: 2,406,431 km (0.058 R)
• M7: 2,739,287 km (0.054 R)
• M8: 3,261,832 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.6

Radius: 14.2

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.74 AU - 4.32 AU

Year: 4423 Days

Day: 6.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,191,529 km

• M1: 177,124 km (0.102 R)
• M2: 679,474 km (0.074 R)
• M3: 1,288,786 km (0.073 R)
• M4: 1,873,713 km (0.026 R)
• M5: 2,829,644 km (0.096 R)
• M6: 3,496,102 km (0.047 R)
• M7: 4,199,362 km (0.091 R)
• M8: 5,070,470 km (0.05 R)
• M9: 5,643,580 km (0.098 R)
• M10: 6,827,946 km (0.08 R)
• M11: 9,646,819 km (0.079 R)
• M12: 11,292,844 km (0.101 R)
• M13: 12,001,340 km (0.101 R)
• M14: 12,975,820 km (0.105 R)
• M15: 14,204,168 km (0.117 R)
• M16: 17,996,624 km (0.112 R)
• M17: 22,486,355 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.4

Radius: 11.1

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.79 AU - 4.49 AU

Year: 5617 Days

Day: 14.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,191,529 km

• M1: 138,528 km (0.096 R)
• M2: 586,124 km (0.104 R)
• M3: 1,022,053 km (0.082 R)
• M4: 1,663,229 km (0.091 R)
• M5: 2,556,927 km (0.116 R)
• M6: 3,632,236 km (0.088 R)
• M7: 3,979,154 km (0.112 R)
• M8: 4,528,328 km (0.09 R)
• M9: 5,070,919 km (0.1 R)
• M10: 9,894,104 km (0.118 R)
• M11: 10,575,522 km (0.064 R)
• M12: 11,830,648 km (0.105 R)
• M13: 13,128,709 km (0.077 R)
• M14: 15,220,835 km (0.112 R)
• M15: 16,881,671 km (0.11 R)
• M16: 17,526,288 km (0.106 R)
• M17: 19,002,670 km (0.104 R)
• M18: 19,841,914 km (0.085 R)
• M19: 20,852,148 km (0.104 R)
• M20: 27,205,719 km (0.102 R)
• M21: 27,735,296 km (0.062 R)
• M22: 29,736,018 km (0.081 R)
• M23: 31,250,397 km (0.045 R)
• M24: 32,026,511 km (0.114 R)
• M25: 32,914,972 km (0.087 R)
• M26: 33,819,890 km (0.091 R)
• M27: 34,227,245 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.5

Radius: 12.9

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.36 AU - 5.88 AU

Year: 8885 Days

Day: 11.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,191,529 km

• M1: 160,668 km (0.088 R)
• M2: 701,464 km (0.108 R)
• M3: 1,486,105 km (0.069 R)
• M4: 1,953,898 km (0.04 R)
• M5: 2,658,205 km (0.094 R)
• M6: 3,104,305 km (0.033 R)
• M7: 3,701,051 km (0.095 R)
• M8: 7,125,347 km (0.097 R)
• M9: 7,824,118 km (0.09 R)
• M10: 8,344,420 km (0.08 R)
• M11: 10,978,389 km (0.067 R)
• M12: 13,439,873 km (0.087 R)
• M13: 16,110,195 km (0.057 R)
• M14: 26,991,345 km (0.064 R)
• M15: 27,981,384 km (0.094 R)
• M16: 28,688,683 km (0.116 R)
• M17: 29,615,442 km (0.081 R)
• M18: 33,864,021 km (0.119 R)
• M19: 34,551,872 km (0.081 R)
• M20: 36,074,031 km (0.042 R)
• M21: 40,138,455 km (0.113 R)
• M22: 43,145,372 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.5

Radius: 5.9

Gravity: 19.86 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.24 AU - 7.06 AU

Year: 11436 Days

Day: 15.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,191,529 km

• M1: 79,586 km (0.101 R)
• M2: 445,054 km (0.106 R)
• M3: 679,474 km (0.06 R)
• M4: 1,072,916 km (0.114 R)
• M5: 1,435,092 km (0.077 R)
• M6: 1,637,648 km (0.082 R)
• M7: 2,119,054 km (0.107 R)
• M8: 2,523,267 km (0.072 R)
• M9: 3,799,337 km (0.06 R)
• M10: 5,052,219 km (0.105 R)
• M11: 11,991,915 km (0.079 R)
• M12: 12,287,520 km (0.099 R)
• M13: 12,709,237 km (0.042 R)
• M14: 13,903,028 km (0.11 R)
• M15: 16,877,033 km (0.109 R)
• M16: 19,347,493 km (0.109 R)
• M17: 20,753,264 km (0.111 R)
• M18: 21,873,153 km (0.094 R)
• M19: 24,421,104 km (0.069 R)
• M20: 24,991,671 km (0.059 R)
• M21: 28,813,896 km (0.074 R)
• M22: 35,250,494 km (0.045 R)
• M23: 37,340,825 km (0.111 R)
• M24: 38,480,312 km (0.118 R)
• M25: 40,695,558 km (0.083 R)
• M26: 44,809,798 km (0.118 R)
• M27: 50,255,011 km (0.091 R)
• M28: 51,955,041 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.9

Radius: 3.7

Gravity: 71.87 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.15 AU - 8.41 AU

Year: 14471 Days

Day: 23.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,191,529 km

• M1: 99,931 km (0.114 R)
• M2: 298,597 km (0.099 R)
• M3: 435,928 km (0.093 R)
• M4: 558,748 km (0.082 R)
• M5: 742,903 km (0.093 R)
• M6: 1,247,347 km (0.096 R)
• M7: 1,468,453 km (0.116 R)
• M8: 2,645,638 km (0.058 R)
• M9: 3,692,375 km (0.055 R)
• M10: 3,900,316 km (0.077 R)
• M11: 4,881,678 km (0.068 R)
• M12: 6,820,317 km (0.104 R)
• M13: 7,133,724 km (0.104 R)
• M14: 8,131,243 km (0.085 R)
• M15: 9,272,226 km (0.096 R)
• M16: 10,515,982 km (0.117 R)
• M17: 11,550,152 km (0.104 R)
• M18: 15,510,307 km (0.033 R)
• M19: 17,834,310 km (0.096 R)
• M20: 18,002,757 km (0.117 R)
• M21: 22,662,282 km (0.075 R)
• M22: 30,639,439 km (0.059 R)
• M23: 33,366,608 km (0.117 R)
• M24: 34,137,486 km (0.084 R)
• M25: 35,051,679 km (0.051 R)
• M26: 37,065,715 km (0.102 R)
• M27: 43,567,837 km (0.074 R)
• M28: 47,974,541 km (0.117 R)
• M29: 50,621,376 km (0.088 R)
• M30: 54,064,521 km (0.086 R)
• M31: 56,929,021 km (0.12 R)
• M32: 61,221,582 km (0.105 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: 247 - 17,625 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit