🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.8

Radius: 9.9

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.01 AU - 1.07 AU

Year: 696 Days

Day: 7.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,900,330 km

• M1: 123,269 km (0.085 R)
• M2: 488,287 km (0.079 R)
• M3: 845,976 km (0.057 R)
• M4: 1,267,692 km (0.117 R)
• M5: 1,845,290 km (0.053 R)
• M6: 2,315,177 km (0.097 R)
• M7: 2,747,365 km (0.118 R)
• M8: 3,156,665 km (0.104 R)
• M9: 3,551,304 km (0.086 R)
• M10: 3,905,103 km (0.063 R)
• M11: 4,329,512 km (0.113 R)
• M12: 4,920,274 km (0.103 R)
• M13: 5,397,790 km (0.063 R)
• M14: 5,809,633 km (0.114 R)
• M15: 6,122,293 km (0.11 R)
• M16: 7,040,525 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.7

Radius: 14.5

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.14 AU - 1.2 AU

Year: 830 Days

Day: 11.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,900,330 km

• M1: 180,864 km (0.106 R)
• M2: 636,689 km (0.068 R)
• M3: 1,098,198 km (0.107 R)
• M4: 1,613,563 km (0.07 R)
• M5: 2,324,153 km (0.11 R)
• M6: 2,831,888 km (0.025 R)
• M7: 3,291,303 km (0.056 R)
• M8: 3,786,173 km (0.087 R)
• M9: 4,512,769 km (0.049 R)
• M10: 5,349,769 km (0.09 R)
• M11: 6,018,023 km (0.113 R)
• M12: 6,875,219 km (0.061 R)
• M13: 7,861,518 km (0.085 R)
• M14: 9,102,133 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.7

Radius: 14.7

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.23 AU - 1.65 AU

Year: 1134 Days

Day: 13.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,900,330 km

• M1: 182,809 km (0.105 R)
• M2: 860,936 km (0.076 R)
• M3: 1,959,732 km (0.088 R)
• M4: 3,112,234 km (0.119 R)
• M5: 3,609,348 km (0.087 R)
• M6: 4,784,140 km (0.045 R)
• M7: 5,316,708 km (0.103 R)
• M8: 7,322,367 km (0.112 R)
• M9: 8,654,686 km (0.098 R)
• M10: 9,281,052 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.7

Radius: 10.7

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.96 AU - 2.54 AU

Year: 2214 Days

Day: 9.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,900,330 km

• M1: 133,142 km (0.112 R)
• M2: 518,057 km (0.083 R)
• M3: 880,084 km (0.069 R)
• M4: 1,325,288 km (0.093 R)
• M5: 1,803,552 km (0.117 R)
• M6: 2,167,224 km (0.107 R)
• M7: 2,729,563 km (0.108 R)
• M8: 3,078,874 km (0.105 R)
• M9: 3,440,153 km (0.094 R)
• M10: 4,459,513 km (0.113 R)
• M11: 5,180,574 km (0.113 R)
• M12: 6,405,482 km (0.055 R)
• M13: 6,940,444 km (0.104 R)
• M14: 7,596,879 km (0.119 R)
• M15: 9,707,256 km (0.056 R)
• M16: 10,224,566 km (0.113 R)
• M17: 13,137,236 km (0.077 R)
• M18: 13,542,198 km (0.077 R)
• M19: 17,679,776 km (0.11 R)
• M20: 18,340,400 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.3

Radius: 12

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.35 AU - 4.83 AU

Year: 6451 Days

Day: 14.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,900,330 km

• M1: 149,299 km (0.111 R)
• M2: 597,195 km (0.086 R)
• M3: 1,230,592 km (0.107 R)
• M4: 1,648,868 km (0.109 R)
• M5: 2,592,082 km (0.107 R)
• M6: 3,821,029 km (0.108 R)
• M7: 4,211,629 km (0.084 R)
• M8: 4,808,824 km (0.063 R)
• M9: 5,490,391 km (0.112 R)
• M10: 6,392,317 km (0.107 R)
• M11: 8,000,345 km (0.099 R)
• M12: 9,118,589 km (0.069 R)
• M13: 9,652,503 km (0.072 R)
• M14: 10,250,745 km (0.119 R)
• M15: 12,441,756 km (0.056 R)
• M16: 13,567,928 km (0.117 R)
• M17: 14,760,822 km (0.111 R)
• M18: 15,846,154 km (0.078 R)
• M19: 16,984,145 km (0.032 R)
• M20: 17,479,314 km (0.088 R)
• M21: 18,498,375 km (0.071 R)
• M22: 20,795,151 km (0.052 R)
• M23: 22,899,395 km (0.1 R)
• M24: 23,810,296 km (0.083 R)
• M25: 27,696,999 km (0.102 R)

Asteroid Belt

Center: 5.21 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.3

Radius: 13.1

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.64 AU - 7 AU

Year: 9211 Days

Day: 13.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,900,330 km

• M1: 163,062 km (0.119 R)
• M2: 1,158,636 km (0.109 R)
• M3: 1,599,800 km (0.074 R)
• M4: 2,545,109 km (0.11 R)
• M5: 4,105,714 km (0.111 R)
• M6: 8,696,723 km (0.067 R)
• M7: 9,660,432 km (0.099 R)
• M8: 10,605,143 km (0.098 R)
• M9: 12,981,056 km (0.11 R)
• M10: 13,705,409 km (0.094 R)
• M11: 14,731,501 km (0.09 R)
• M12: 16,815,399 km (0.111 R)
• M13: 17,551,720 km (0.067 R)
• M14: 18,696,443 km (0.034 R)
• M15: 19,553,788 km (0.097 R)
• M16: 22,947,715 km (0.11 R)
• M17: 24,238,595 km (0.091 R)
• M18: 29,534,659 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.3

Radius: 3.3

Gravity: 42.27 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 7.39 AU - 7.81 AU

Year: 13745 Days

Day: 20.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,900,330 km

• M1: 70,760 km (0.1 R)
• M2: 314,305 km (0.062 R)
• M3: 623,973 km (0.112 R)
• M4: 911,051 km (0.105 R)
• M5: 1,254,229 km (0.05 R)
• M6: 1,541,606 km (0.061 R)
• M7: 3,117,320 km (0.104 R)
• M8: 3,589,152 km (0.085 R)
• M9: 3,694,319 km (0.092 R)
• M10: 4,193,079 km (0.069 R)
• M11: 6,179,589 km (0.064 R)
• M12: 7,249,064 km (0.114 R)
• M13: 8,026,823 km (0.09 R)
• M14: 13,256,915 km (0.108 R)
• M15: 14,021,659 km (0.047 R)
• M16: 14,481,074 km (0.082 R)
• M17: 20,298,187 km (0.116 R)
• M18: 27,093,970 km (0.075 R)
• M19: 28,425,839 km (0.087 R)
• M20: 32,911,532 km (0.075 R)
• M21: 36,847,302 km (0.104 R)
• M22: 49,300,277 km (0.059 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 18,538 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit