🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.6

Radius: 11.4

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.58 AU - 0.88 AU

Year: 409 Days

Day: 11.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,559,237 km

• M1: 141,819 km (0.12 R)
• M2: 1,145,321 km (0.1 R)
• M3: 1,774,829 km (0.105 R)
• M4: 2,290,643 km (0.067 R)
• M5: 2,712,509 km (0.085 R)
• M6: 3,339,024 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.9

Radius: 8.5

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.61 AU - 2.25 AU

Year: 1759 Days

Day: 13.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,559,237 km

• M1: 105,766 km (0.074 R)
• M2: 401,371 km (0.119 R)
• M3: 765,044 km (0.066 R)
• M4: 1,231,041 km (0.112 R)
• M5: 1,550,133 km (0.112 R)
• M6: 1,972,897 km (0.054 R)
• M7: 2,471,058 km (0.107 R)
• M8: 2,933,165 km (0.047 R)
• M9: 3,323,765 km (0.11 R)
• M10: 3,672,927 km (0.053 R)
• M11: 4,127,555 km (0.103 R)
• M12: 5,149,308 km (0.101 R)
• M13: 5,538,113 km (0.053 R)
• M14: 6,529,199 km (0.062 R)
• M15: 6,846,197 km (0.079 R)
• M16: 7,413,622 km (0.11 R)
• M17: 7,783,876 km (0.066 R)
• M18: 8,166,398 km (0.071 R)
• M19: 8,996,816 km (0.065 R)
• M20: 9,504,252 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.3

Radius: 14.7

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.88 AU - 2.26 AU

Year: 1954 Days

Day: 11 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,559,237 km

• M1: 182,958 km (0.102 R)
• M2: 1,088,175 km (0.082 R)
• M3: 1,610,870 km (0.115 R)
• M4: 2,341,506 km (0.107 R)
• M5: 3,006,020 km (0.041 R)
• M6: 3,688,635 km (0.069 R)
• M7: 4,335,346 km (0.099 R)
• M8: 5,122,381 km (0.05 R)
• M9: 5,905,825 km (0.081 R)
• M10: 7,341,366 km (0.088 R)
• M11: 7,977,007 km (0.118 R)
• M12: 8,462,153 km (0.041 R)
• M13: 13,002,897 km (0.114 R)
• M14: 13,591,266 km (0.076 R)
• M15: 14,153,604 km (0.118 R)
• M16: 14,957,693 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.8

Radius: 13.8

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.24 AU - 5.52 AU

Year: 7072 Days

Day: 13.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,559,237 km

• M1: 171,589 km (0.104 R)
• M2: 686,505 km (0.086 R)
• M3: 2,232,748 km (0.1 R)
• M4: 4,190,984 km (0.075 R)
• M5: 5,123,428 km (0.103 R)
• M6: 6,222,523 km (0.071 R)
• M7: 7,003,424 km (0.083 R)
• M8: 7,622,012 km (0.069 R)
• M9: 9,567,382 km (0.088 R)
• M10: 10,561,909 km (0.114 R)
• M11: 15,300,870 km (0.118 R)
• M12: 22,520,763 km (0.053 R)
• M13: 24,772,959 km (0.086 R)
• M14: 26,211,342 km (0.1 R)
• M15: 30,382,430 km (0.117 R)
• M16: 32,029,951 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.8

Radius: 14.2

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.7 AU - 5.18 AU

Year: 7203 Days

Day: 6.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,559,237 km

• M1: 176,974 km (0.094 R)
• M2: 641,775 km (0.12 R)
• M3: 3,025,168 km (0.054 R)
• M4: 10,462,576 km (0.117 R)
• M5: 12,266,128 km (0.099 R)
• M6: 13,071,862 km (0.099 R)
• M7: 14,631,719 km (0.119 R)
• M8: 17,404,665 km (0.109 R)
• M9: 18,667,720 km (0.097 R)
• M10: 24,116,523 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.8

Radius: 3

Gravity: 19.87 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 6.59 AU - 9.69 AU

Year: 15235 Days

Day: 24.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 40,559,237 km

• M1: 37,399 km (0.115 R)
• M2: 206,445 km (0.059 R)
• M3: 356,641 km (0.077 R)
• M4: 486,642 km (0.077 R)
• M5: 590,463 km (0.063 R)
• M6: 889,210 km (0.11 R)
• M7: 1,279,959 km (0.071 R)
• M8: 1,630,018 km (0.111 R)
• M9: 1,834,967 km (0.065 R)
• M10: 2,157,201 km (0.037 R)
• M11: 2,515,787 km (0.113 R)
• M12: 2,709,367 km (0.108 R)
• M13: 2,871,232 km (0.079 R)
• M14: 3,489,071 km (0.04 R)
• M15: 5,669,460 km (0.057 R)
• M16: 7,002,228 km (0.053 R)
• M17: 7,346,003 km (0.113 R)
• M18: 8,025,627 km (0.061 R)
• M19: 8,233,418 km (0.059 R)
• M20: 8,922,017 km (0.117 R)
• M21: 9,741,664 km (0.059 R)
• M22: 10,461,977 km (0.11 R)
• M23: 10,961,485 km (0.1 R)
• M24: 12,778,650 km (0.112 R)
• M25: 14,479,428 km (0.097 R)
• M26: 15,736,350 km (0.118 R)
• M27: 15,930,976 km (0.114 R)
• M28: 18,609,078 km (0.083 R)
• M29: 23,375,116 km (0.107 R)
• M30: 26,629,169 km (0.089 R)
• M31: 30,272,476 km (0.053 R)
• M32: 30,472,937 km (0.093 R)
• M33: 31,079,556 km (0.11 R)
• M34: 37,249,870 km (0.075 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 19,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit