🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.34 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.2

Radius: 14.1

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.59 AU - 2.75 AU

Year: 2862 Days

Day: 6.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,486,915 km

• M1: 175,478 km (0.107 R)
• M2: 718,219 km (0.09 R)
• M3: 1,204,712 km (0.09 R)
• M4: 1,671,457 km (0.119 R)
• M5: 2,220,032 km (0.072 R)
• M6: 3,023,822 km (0.088 R)
• M7: 4,035,702 km (0.09 R)
• M8: 4,989,388 km (0.111 R)
• M9: 6,725,471 km (0.066 R)
• M10: 9,201,615 km (0.095 R)
• M11: 9,924,921 km (0.118 R)
• M12: 10,441,333 km (0.086 R)
• M13: 11,228,667 km (0.102 R)
• M14: 13,109,561 km (0.082 R)
• M15: 16,532,509 km (0.111 R)
• M16: 18,008,292 km (0.095 R)
• M17: 18,479,675 km (0.062 R)
• M18: 23,239,132 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.7

Radius: 14.6

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.71 AU - 5.09 AU

Year: 7115 Days

Day: 9.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,486,915 km

• M1: 183,856 km (0.097 R)
• M2: 641,625 km (0.103 R)
• M3: 1,246,599 km (0.065 R)
• M4: 1,960,181 km (0.071 R)
• M5: 2,457,893 km (0.093 R)
• M6: 2,957,849 km (0.116 R)
• M7: 3,788,267 km (0.095 R)
• M8: 5,062,242 km (0.074 R)
• M9: 5,848,080 km (0.101 R)
• M10: 7,121,457 km (0.091 R)
• M11: 7,864,360 km (0.097 R)
• M12: 9,142,375 km (0.052 R)
• M13: 11,469,669 km (0.108 R)
• M14: 13,750,737 km (0.083 R)
• M15: 19,792,845 km (0.044 R)
• M16: 22,722,121 km (0.059 R)
• M17: 23,816,729 km (0.092 R)
• M18: 26,293,322 km (0.087 R)
• M19: 29,427,397 km (0.089 R)
• M20: 30,727,702 km (0.101 R)
• M21: 31,650,272 km (0.049 R)
• M22: 37,230,272 km (0.082 R)
• M23: 38,988,646 km (0.057 R)
• M24: 40,191,263 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.2

Radius: 11.2

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.06 AU - 6.2 AU

Year: 7622 Days

Day: 8.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,486,915 km

• M1: 139,874 km (0.084 R)
• M2: 599,289 km (0.114 R)
• M3: 1,138,739 km (0.115 R)
• M4: 1,591,572 km (0.118 R)
• M5: 1,974,243 km (0.1 R)
• M6: 2,472,254 km (0.104 R)
• M7: 3,011,704 km (0.118 R)
• M8: 3,489,520 km (0.094 R)
• M9: 4,119,177 km (0.12 R)
• M10: 4,543,287 km (0.103 R)
• M11: 5,144,372 km (0.097 R)
• M12: 6,935,656 km (0.041 R)
• M13: 8,216,663 km (0.094 R)
• M14: 8,805,331 km (0.117 R)
• M15: 9,603,435 km (0.107 R)
• M16: 10,497,432 km (0.088 R)
• M17: 12,835,797 km (0.044 R)
• M18: 13,513,774 km (0.055 R)
• M19: 14,215,538 km (0.083 R)
• M20: 17,200,015 km (0.044 R)
• M21: 18,874,763 km (0.057 R)
• M22: 19,677,506 km (0.105 R)
• M23: 21,429,745 km (0.052 R)
• M24: 21,823,936 km (0.074 R)
• M25: 24,122,058 km (0.114 R)
• M26: 30,465,606 km (0.074 R)
• M27: 36,703,838 km (0.029 R)
• M28: 37,496,257 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188

Radius: 7.6

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.99 AU - 7.03 AU

Year: 9665 Days

Day: 16.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,486,915 km

• M1: 113,096 km (0.083 R)
• M2: 488,437 km (0.093 R)
• M3: 1,034,320 km (0.085 R)
• M4: 1,351,916 km (0.113 R)
• M5: 1,595,012 km (0.065 R)
• M6: 2,897,860 km (0.069 R)
• M7: 3,472,765 km (0.039 R)
• M8: 3,821,178 km (0.088 R)
• M9: 4,613,898 km (0.104 R)
• M10: 4,901,125 km (0.095 R)
• M11: 5,312,220 km (0.076 R)
• M12: 5,598,850 km (0.082 R)
• M13: 6,265,907 km (0.079 R)
• M14: 6,883,746 km (0.117 R)
• M15: 7,613,036 km (0.044 R)
• M16: 7,940,954 km (0.114 R)
• M17: 9,430,650 km (0.1 R)
• M18: 10,285,302 km (0.109 R)
• M19: 10,596,316 km (0.109 R)
• M20: 12,596,290 km (0.077 R)
• M21: 14,279,865 km (0.072 R)
• M22: 16,709,933 km (0.086 R)
• M23: 17,577,750 km (0.1 R)
• M24: 20,015,597 km (0.103 R)
• M25: 20,640,916 km (0.096 R)
• M26: 23,579,018 km (0.099 R)
• M27: 28,841,123 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.1

Radius: 7.3

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.31 AU - 11.85 AU

Year: 20994 Days

Day: 15.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,486,915 km

• M1: 90,806 km (0.06 R)
• M2: 330,312 km (0.032 R)
• M3: 607,218 km (0.036 R)
• M4: 1,076,506 km (0.06 R)
• M5: 1,310,627 km (0.067 R)
• M6: 1,549,385 km (0.111 R)
• M7: 3,960,454 km (0.119 R)
• M8: 4,252,619 km (0.09 R)
• M9: 4,782,644 km (0.036 R)
• M10: 7,222,286 km (0.051 R)
• M11: 32,554,591 km (0.08 R)
• M12: 34,475,428 km (0.092 R)
• M13: 37,756,109 km (0.036 R)
• M14: 54,942,660 km (0.103 R)
• M15: 57,143,245 km (0.084 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 16,965 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit