🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.1

Radius: 14.1

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.59 AU - 0.93 AU

Year: 442 Days

Day: 6.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,729,048 km

• M1: 176,974 km (0.114 R)
• M2: 673,938 km (0.113 R)
• M3: 1,246,150 km (0.026 R)
• M4: 1,756,877 km (0.098 R)
• M5: 2,220,780 km (0.074 R)
• M6: 2,860,162 km (0.065 R)
• M7: 4,016,104 km (0.04 R)
• M8: 4,987,743 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.8

Radius: 10.2

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.81 AU - 0.95 AU

Year: 550 Days

Day: 9 Hours

Environment

Temp: -168 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 70,729,048 km

• M1: 127,308 km (0.096 R)
• M2: 1,925,474 km (0.085 R)
• M3: 2,265,510 km (0.083 R)
• M4: 3,301,326 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.9

Radius: 14.1

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.11 AU - 1.21 AU

Year: 833 Days

Day: 7 Hours

Environment

Temp: -183 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,729,048 km

• M1: 181,612 km (0.081 R)
• M2: 631,004 km (0.037 R)
• M3: 1,081,443 km (0.096 R)
• M4: 1,915,451 km (0.095 R)
• M5: 2,925,237 km (0.077 R)
• M6: 4,681,067 km (0.053 R)
• M7: 5,649,713 km (0.092 R)
• M8: 6,892,273 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.3

Radius: 13.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.15 AU - 1.83 AU

Year: 1213 Days

Day: 8.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,729,048 km

• M1: 163,062 km (0.045 R)
• M2: 642,822 km (0.086 R)
• M3: 1,273,227 km (0.067 R)
• M4: 1,768,396 km (0.09 R)
• M5: 2,187,570 km (0.064 R)
• M6: 2,661,197 km (0.032 R)
• M7: 3,365,503 km (0.026 R)
• M8: 4,243,493 km (0.076 R)
• M9: 4,890,504 km (0.036 R)
• M10: 5,560,104 km (0.118 R)
• M11: 6,039,864 km (0.092 R)
• M12: 6,594,873 km (0.078 R)
• M13: 7,058,177 km (0.109 R)
• M14: 7,780,735 km (0.084 R)
• M15: 9,133,848 km (0.027 R)
• M16: 10,344,244 km (0.108 R)
• M17: 10,971,508 km (0.037 R)
• M18: 11,484,479 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.3

Radius: 10.3

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.65 AU - 3.83 AU

Year: 3889 Days

Day: 6.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,729,048 km

• M1: 128,804 km (0.094 R)
• M2: 456,124 km (0.057 R)
• M3: 787,483 km (0.082 R)
• M4: 1,329,775 km (0.108 R)
• M5: 1,711,549 km (0.09 R)
• M6: 2,701,438 km (0.111 R)
• M7: 3,401,556 km (0.088 R)
• M8: 4,334,897 km (0.078 R)
• M9: 7,699,952 km (0.04 R)
• M10: 8,053,751 km (0.118 R)
• M11: 8,529,921 km (0.063 R)
• M12: 9,102,582 km (0.11 R)
• M13: 9,782,354 km (0.099 R)
• M14: 10,367,282 km (0.106 R)
• M15: 11,978,900 km (0.118 R)
• M16: 14,062,948 km (0.093 R)
• M17: 16,147,145 km (0.107 R)
• M18: 18,555,222 km (0.117 R)
• M19: 19,517,137 km (0.101 R)
• M20: 21,749,586 km (0.103 R)
• M21: 23,476,543 km (0.099 R)
• M22: 25,293,260 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.2

Radius: 8.3

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.81 AU - 5.67 AU

Year: 7999 Days

Day: 13.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,729,048 km

• M1: 132,693 km (0.045 R)
• M2: 616,493 km (0.058 R)
• M3: 1,069,475 km (0.083 R)
• M4: 1,920,687 km (0.063 R)
• M5: 2,185,625 km (0.038 R)
• M6: 3,467,529 km (0.103 R)
• M7: 3,995,909 km (0.055 R)
• M8: 5,375,051 km (0.107 R)
• M9: 9,512,629 km (0.046 R)
• M10: 10,920,196 km (0.111 R)
• M11: 14,052,775 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.6

Radius: 3.8

Gravity: 38.55 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.81 AU - 8.25 AU

Year: 12430 Days

Day: 18.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,729,048 km

• M1: 47,423 km (0.069 R)
• M2: 333,753 km (0.067 R)
• M3: 525,687 km (0.096 R)
• M4: 667,655 km (0.096 R)
• M5: 1,019,509 km (0.112 R)
• M6: 1,601,296 km (0.096 R)
• M7: 4,041,087 km (0.096 R)
• M8: 6,661,144 km (0.115 R)
• M9: 6,900,202 km (0.109 R)
• M10: 7,186,233 km (0.095 R)
• M11: 8,047,169 km (0.114 R)
• M12: 12,539,144 km (0.071 R)
• M13: 12,842,229 km (0.109 R)
• M14: 17,390,004 km (0.096 R)
• M15: 24,847,010 km (0.081 R)
• M16: 27,400,496 km (0.107 R)
• M17: 38,085,972 km (0.053 R)
• M18: 46,327,319 km (0.113 R)
• M19: 47,051,073 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 904.2

Radius: 4.3

Gravity: 48.9 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 7.29 AU - 9.07 AU

Year: 15601 Days

Day: 19.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 70,729,048 km

• M1: 53,406 km (0.104 R)
• M2: 371,003 km (0.101 R)
• M3: 689,497 km (0.1 R)
• M4: 1,281,455 km (0.046 R)
• M5: 1,980,825 km (0.045 R)
• M6: 2,199,986 km (0.116 R)
• M7: 2,710,564 km (0.093 R)
• M8: 2,905,490 km (0.112 R)
• M9: 4,086,715 km (0.047 R)
• M10: 4,509,179 km (0.112 R)
• M11: 10,575,373 km (0.091 R)
• M12: 10,936,801 km (0.09 R)
• M13: 11,306,457 km (0.114 R)
• M14: 11,876,425 km (0.107 R)
• M15: 12,733,172 km (0.071 R)
• M16: 13,986,204 km (0.111 R)
• M17: 14,275,526 km (0.12 R)
• M18: 16,654,133 km (0.115 R)
• M19: 17,557,853 km (0.053 R)
• M20: 18,064,392 km (0.102 R)
• M21: 18,493,887 km (0.06 R)
• M22: 19,284,213 km (0.096 R)
• M23: 19,642,500 km (0.109 R)
• M24: 20,188,233 km (0.059 R)
• M25: 20,837,787 km (0.102 R)
• M26: 21,693,038 km (0.115 R)
• M27: 22,571,626 km (0.101 R)
• M28: 27,660,646 km (0.116 R)
• M29: 33,721,903 km (0.034 R)
• M30: 41,051,900 km (0.063 R)
• M31: 41,943,204 km (0.12 R)
• M32: 43,764,259 km (0.094 R)
• M33: 46,113,693 km (0.1 R)
• M34: 49,709,876 km (0.096 R)
• M35: 50,722,056 km (0.118 R)
• M36: 51,747,848 km (0.077 R)
• M37: 54,017,996 km (0.112 R)
• M38: 63,367,564 km (0.117 R)
• M39: 66,776,600 km (0.109 R)
• M40: 66,980,801 km (0.094 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 13,389 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit