🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.7

Radius: 11.5

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.44 AU - 0.6 AU

Year: 259 Days

Day: 10.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,688,636 km

• M1: 143,165 km (0.116 R)
• M2: 519,254 km (0.1 R)
• M3: 951,742 km (0.066 R)
• M4: 1,327,831 km (0.096 R)
• M5: 1,811,929 km (0.078 R)
• M6: 2,333,727 km (0.084 R)
• M7: 2,854,327 km (0.116 R)
• M8: 3,299,531 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.4

Radius: 8

Gravity: 14.76 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.4 AU - 0.66 AU

Year: 266 Days

Day: 9.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,688,636 km

• M1: 100,231 km (0.04 R)
• M2: 459,565 km (0.074 R)
• M3: 728,392 km (0.104 R)
• M4: 1,115,851 km (0.083 R)
• M5: 1,414,597 km (0.028 R)
• M6: 1,704,069 km (0.097 R)
• M7: 2,088,386 km (0.106 R)
• M8: 2,352,875 km (0.083 R)
• M9: 2,667,928 km (0.116 R)
• M10: 3,220,244 km (0.11 R)
• M11: 3,540,832 km (0.101 R)
• M12: 4,043,182 km (0.095 R)
• M13: 4,351,054 km (0.112 R)
• M14: 4,674,485 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.1

Radius: 8.5

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.44 AU - 0.7 AU

Year: 297 Days

Day: 12.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,688,636 km

• M1: 105,915 km (0.092 R)
• M2: 386,112 km (0.096 R)
• M3: 1,074,113 km (0.075 R)
• M4: 1,482,964 km (0.106 R)
• M5: 1,752,389 km (0.084 R)
• M6: 2,239,779 km (0.107 R)
• M7: 2,616,168 km (0.096 R)
• M8: 3,738,750 km (0.069 R)
• M9: 4,017,152 km (0.075 R)
• M10: 4,335,645 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.7

Radius: 10.4

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.77 AU - 1.03 AU

Year: 589 Days

Day: 6.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,688,636 km

• M1: 129,402 km (0.06 R)
• M2: 535,860 km (0.027 R)
• M3: 863,329 km (0.038 R)
• M4: 1,357,301 km (0.059 R)
• M5: 1,907,522 km (0.088 R)
• M6: 2,305,602 km (0.058 R)
• M7: 3,506,424 km (0.105 R)
• M8: 4,024,781 km (0.091 R)
• M9: 4,654,887 km (0.102 R)
• M10: 5,099,791 km (0.085 R)
• M11: 5,713,292 km (0.119 R)
• M12: 6,529,349 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.3

Radius: 12.4

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.9 AU - 3.5 AU

Year: 3951 Days

Day: 14.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,688,636 km

• M1: 154,983 km (0.064 R)
• M2: 765,642 km (0.068 R)
• M3: 1,565,093 km (0.117 R)
• M4: 2,368,733 km (0.105 R)
• M5: 3,512,109 km (0.115 R)
• M6: 3,958,808 km (0.117 R)
• M7: 8,089,505 km (0.054 R)
• M8: 11,858,025 km (0.096 R)
• M9: 12,820,837 km (0.113 R)
• M10: 13,628,067 km (0.11 R)
• M11: 15,568,052 km (0.082 R)
• M12: 16,781,440 km (0.107 R)
• M13: 17,563,538 km (0.095 R)
• M14: 19,658,058 km (0.103 R)
• M15: 20,324,516 km (0.113 R)
• M16: 23,068,141 km (0.057 R)
• M17: 27,180,587 km (0.108 R)
• M18: 28,007,863 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.7

Radius: 10.1

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.92 AU - 4.32 AU

Year: 4754 Days

Day: 8 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,688,636 km

• M1: 125,662 km (0.108 R)
• M2: 1,082,490 km (0.105 R)
• M3: 1,700,928 km (0.098 R)
• M4: 2,065,947 km (0.093 R)
• M5: 2,972,958 km (0.102 R)
• M6: 3,507,621 km (0.076 R)
• M7: 4,105,564 km (0.084 R)
• M8: 4,461,457 km (0.086 R)
• M9: 5,187,755 km (0.084 R)
• M10: 6,070,233 km (0.114 R)
• M11: 6,817,175 km (0.11 R)
• M12: 7,686,339 km (0.066 R)
• M13: 8,360,576 km (0.033 R)
• M14: 8,866,067 km (0.071 R)
• M15: 10,238,029 km (0.102 R)
• M16: 10,935,156 km (0.079 R)
• M17: 11,913,675 km (0.112 R)
• M18: 13,997,274 km (0.041 R)
• M19: 14,614,066 km (0.104 R)
• M20: 15,348,143 km (0.109 R)
• M21: 17,973,287 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.8

Radius: 6.9

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 6.85 AU - 8.91 AU

Year: 15269 Days

Day: 24.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,688,636 km

• M1: 87,365 km (0.076 R)
• M2: 1,005,447 km (0.1 R)
• M3: 1,379,442 km (0.094 R)
• M4: 3,122,257 km (0.039 R)
• M5: 3,398,116 km (0.045 R)
• M6: 5,154,843 km (0.097 R)
• M7: 6,086,389 km (0.077 R)
• M8: 8,278,597 km (0.112 R)
• M9: 8,585,272 km (0.103 R)
• M10: 9,598,648 km (0.053 R)
• M11: 10,035,324 km (0.102 R)
• M12: 10,948,619 km (0.113 R)
• M13: 11,265,019 km (0.094 R)
• M14: 12,706,993 km (0.087 R)
• M15: 15,159,351 km (0.099 R)
• M16: 16,087,306 km (0.112 R)
• M17: 16,842,626 km (0.045 R)
• M18: 18,796,524 km (0.115 R)
• M19: 20,180,154 km (0.042 R)
• M20: 27,542,165 km (0.108 R)
• M21: 31,180,684 km (0.054 R)
• M22: 31,497,532 km (0.088 R)
• M23: 35,013,232 km (0.081 R)
• M24: 38,175,881 km (0.089 R)
• M25: 44,259,727 km (0.117 R)
• M26: 44,794,090 km (0.106 R)

Asteroid Belt

Center: 8.84 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.7

Radius: 5.8

Gravity: 16.55 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.64 AU - 11.94 AU

Year: 21144 Days

Day: 18.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,688,636 km

• M1: 75,248 km (0.11 R)
• M2: 310,715 km (0.1 R)
• M3: 855,999 km (0.077 R)
• M4: 1,278,463 km (0.08 R)
• M5: 1,473,389 km (0.108 R)
• M6: 1,705,565 km (0.12 R)
• M7: 2,307,996 km (0.032 R)
• M8: 2,669,873 km (0.074 R)
• M9: 2,940,047 km (0.063 R)
• M10: 3,449,876 km (0.105 R)
• M11: 5,843,891 km (0.104 R)
• M12: 6,603,100 km (0.11 R)
• M13: 7,426,188 km (0.105 R)
• M14: 9,666,117 km (0.056 R)
• M15: 10,010,790 km (0.099 R)
• M16: 15,814,739 km (0.112 R)
• M17: 16,699,610 km (0.12 R)
• M18: 21,236,615 km (0.062 R)
• M19: 22,712,697 km (0.097 R)
• M20: 33,943,009 km (0.053 R)
• M21: 38,905,918 km (0.094 R)
• M22: 43,549,287 km (0.042 R)
• M23: 46,570,416 km (0.1 R)
• M24: 52,672,363 km (0.045 R)
• M25: 54,819,093 km (0.114 R)
• M26: 58,147,346 km (0.069 R)
• M27: 67,467,892 km (0.101 R)
• M28: 70,425,292 km (0.092 R)
• M29: 72,589,973 km (0.044 R)
• M30: 73,247,755 km (0.101 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 13,834 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit