🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.5

Radius: 8.7

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.59 AU - 0.65 AU

Year: 326 Days

Day: 10.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 70,095,038 km

• M1: 108,309 km (0.071 R)
• M2: 571,913 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.8

Radius: 12.7

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.53 AU - 0.77 AU

Year: 349 Days

Day: 6.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,095,038 km

• M1: 157,975 km (0.055 R)
• M2: 561,291 km (0.106 R)
• M3: 982,409 km (0.067 R)
• M4: 2,175,003 km (0.078 R)
• M5: 2,706,674 km (0.06 R)
• M6: 3,536,793 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.8

Radius: 8.4

Gravity: 13.12 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.69 AU - 0.79 AU

Year: 424 Days

Day: 13.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,095,038 km

• M1: 104,719 km (0.103 R)
• M2: 388,356 km (0.095 R)
• M3: 714,031 km (0.071 R)
• M4: 1,012,030 km (0.093 R)
• M5: 2,271,344 km (0.107 R)
• M6: 2,770,403 km (0.11 R)
• M7: 3,414,123 km (0.078 R)
• M8: 4,210,731 km (0.073 R)
• M9: 5,578,505 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.2

Radius: 13.5

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.7 AU - 4.06 AU

Year: 5097 Days

Day: 5 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,095,038 km

• M1: 168,746 km (0.054 R)
• M2: 666,159 km (0.097 R)
• M3: 1,092,962 km (0.069 R)
• M4: 2,046,200 km (0.094 R)
• M5: 2,884,097 km (0.069 R)
• M6: 3,614,733 km (0.076 R)
• M7: 5,342,439 km (0.119 R)
• M8: 6,330,832 km (0.107 R)
• M9: 7,535,544 km (0.094 R)
• M10: 9,719,074 km (0.077 R)
• M11: 15,405,439 km (0.065 R)
• M12: 16,493,464 km (0.098 R)
• M13: 18,042,700 km (0.105 R)
• M14: 23,132,169 km (0.113 R)
• M15: 23,837,972 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.9

Radius: 11.5

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.06 AU - 5.42 AU

Year: 7999 Days

Day: 6.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,095,038 km

• M1: 143,165 km (0.073 R)
• M2: 624,571 km (0.048 R)
• M3: 1,185,264 km (0.108 R)
• M4: 1,738,477 km (0.117 R)
• M5: 2,187,270 km (0.069 R)
• M6: 3,346,056 km (0.111 R)
• M7: 3,916,023 km (0.096 R)
• M8: 4,755,716 km (0.114 R)
• M9: 5,987,356 km (0.113 R)
• M10: 7,461,194 km (0.039 R)
• M11: 8,525,283 km (0.114 R)
• M12: 9,257,715 km (0.106 R)
• M13: 10,588,537 km (0.118 R)
• M14: 11,489,416 km (0.096 R)
• M15: 14,436,195 km (0.097 R)
• M16: 16,015,649 km (0.113 R)
• M17: 17,059,543 km (0.105 R)
• M18: 19,985,827 km (0.057 R)
• M19: 24,933,178 km (0.092 R)
• M20: 26,239,317 km (0.118 R)
• M21: 28,483,285 km (0.083 R)
• M22: 30,536,217 km (0.11 R)
• M23: 32,466,478 km (0.066 R)
• M24: 33,016,848 km (0.103 R)
• M25: 34,934,693 km (0.081 R)
• M26: 40,876,571 km (0.111 R)
• M27: 42,559,248 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.8

Radius: 6

Gravity: 20.22 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.81 AU - 7.73 AU

Year: 13072 Days

Day: 20.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,095,038 km

• M1: 74,799 km (0.084 R)
• M2: 432,487 km (0.065 R)
• M3: 954,584 km (0.102 R)
• M4: 1,161,478 km (0.099 R)
• M5: 1,356,553 km (0.05 R)
• M6: 2,390,275 km (0.074 R)
• M7: 2,891,128 km (0.062 R)
• M8: 3,129,737 km (0.09 R)
• M9: 3,407,241 km (0.118 R)
• M10: 3,701,201 km (0.077 R)
• M11: 4,589,363 km (0.119 R)
• M12: 5,015,418 km (0.073 R)
• M13: 6,492,847 km (0.1 R)
• M14: 8,967,196 km (0.094 R)
• M15: 9,737,924 km (0.073 R)
• M16: 10,330,481 km (0.103 R)
• M17: 12,815,451 km (0.108 R)
• M18: 13,200,217 km (0.111 R)
• M19: 14,127,873 km (0.11 R)
• M20: 14,957,094 km (0.083 R)
• M21: 18,518,272 km (0.056 R)
• M22: 19,594,927 km (0.12 R)
• M23: 22,886,380 km (0.045 R)
• M24: 24,319,677 km (0.081 R)
• M25: 27,894,767 km (0.097 R)
• M26: 28,867,752 km (0.042 R)
• M27: 29,863,026 km (0.11 R)
• M28: 34,073,608 km (0.112 R)
• M29: 34,935,890 km (0.106 R)
• M30: 35,435,098 km (0.114 R)
• M31: 36,447,726 km (0.051 R)
• M32: 40,007,856 km (0.098 R)
• M33: 43,361,092 km (0.101 R)
• M34: 44,665,436 km (0.089 R)
• M35: 45,106,002 km (0.077 R)
• M36: 46,444,903 km (0.099 R)
• M37: 48,117,108 km (0.082 R)
• M38: 50,461,456 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.1

Radius: 5.7

Gravity: 24.75 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 7.38 AU - 9.48 AU

Year: 16322 Days

Day: 24 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,095,038 km

• M1: 71,358 km (0.12 R)
• M2: 321,635 km (0.098 R)
• M3: 543,639 km (0.101 R)
• M4: 816,505 km (0.109 R)
• M5: 1,374,056 km (0.064 R)
• M6: 1,709,006 km (0.078 R)
• M7: 2,798,976 km (0.097 R)
• M8: 3,073,189 km (0.114 R)
• M9: 4,620,031 km (0.111 R)
• M10: 14,161,832 km (0.106 R)
• M11: 14,895,610 km (0.075 R)
• M12: 15,500,583 km (0.096 R)
• M13: 21,225,993 km (0.07 R)
• M14: 21,606,570 km (0.042 R)
• M15: 31,667,027 km (0.079 R)
• M16: 45,077,878 km (0.047 R)
• M17: 45,548,961 km (0.113 R)
• M18: 63,192,684 km (0.108 R)
• M19: 63,585,528 km (0.063 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: 188 - 12,703 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit