🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.4

Radius: 14.5

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.46 AU - 0.6 AU

Year: 262 Days

Day: 6 Hours

Environment

Temp: -143 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,959,750 km

• M1: 180,565 km (0.083 R)
• M2: 670,797 km (0.066 R)
• M3: 1,221,467 km (0.086 R)
• M4: 1,980,676 km (0.089 R)
• M5: 2,486,317 km (0.104 R)
• M6: 3,059,725 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.5

Radius: 10.1

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.56 AU - 0.68 AU

Year: 331 Days

Day: 6.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,959,750 km

• M1: 126,410 km (0.1 R)
• M2: 481,556 km (0.104 R)
• M3: 833,111 km (0.062 R)
• M4: 1,229,395 km (0.1 R)
• M5: 1,618,499 km (0.114 R)
• M6: 2,073,426 km (0.088 R)
• M7: 2,444,130 km (0.104 R)
• M8: 2,838,919 km (0.092 R)
• M9: 3,220,393 km (0.081 R)
• M10: 3,996,956 km (0.089 R)
• M11: 4,367,959 km (0.12 R)
• M12: 5,350,218 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.1

Radius: 11.6

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.6 AU - 0.72 AU

Year: 364 Days

Day: 8.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,959,750 km

• M1: 144,362 km (0.079 R)
• M2: 518,057 km (0.111 R)
• M3: 881,879 km (0.11 R)
• M4: 1,390,063 km (0.056 R)
• M5: 1,942,828 km (0.064 R)
• M6: 2,325,948 km (0.11 R)
• M7: 2,895,018 km (0.092 R)
• M8: 3,531,108 km (0.045 R)
• M9: 3,948,187 km (0.102 R)
• M10: 4,628,558 km (0.1 R)
• M11: 5,208,848 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.7

Radius: 10.4

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.73 AU - 2.05 AU

Year: 1762 Days

Day: 11.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,959,750 km

• M1: 129,402 km (0.095 R)
• M2: 461,360 km (0.112 R)
• M3: 835,205 km (0.115 R)
• M4: 1,185,114 km (0.099 R)
• M5: 1,692,700 km (0.116 R)
• M6: 3,118,368 km (0.098 R)
• M7: 3,951,777 km (0.117 R)
• M8: 4,297,947 km (0.048 R)
• M9: 4,906,661 km (0.116 R)
• M10: 6,008,598 km (0.054 R)
• M11: 6,443,330 km (0.049 R)
• M12: 6,976,945 km (0.091 R)
• M13: 8,455,720 km (0.103 R)
• M14: 9,189,947 km (0.042 R)
• M15: 9,768,143 km (0.093 R)
• M16: 10,099,651 km (0.118 R)
• M17: 11,068,298 km (0.065 R)
• M18: 11,612,236 km (0.092 R)
• M19: 12,832,057 km (0.111 R)
• M20: 13,190,044 km (0.104 R)
• M21: 14,177,390 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423

Radius: 9.1

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.15 AU - 4.83 AU

Year: 6453 Days

Day: 5.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,959,750 km

• M1: 119,080 km (0.072 R)
• M2: 423,512 km (0.099 R)
• M3: 1,062,294 km (0.066 R)
• M4: 2,299,319 km (0.078 R)
• M5: 2,843,706 km (0.086 R)
• M6: 3,186,135 km (0.059 R)
• M7: 3,954,769 km (0.082 R)
• M8: 5,056,109 km (0.115 R)
• M9: 5,619,494 km (0.108 R)
• M10: 6,161,637 km (0.112 R)
• M11: 6,607,140 km (0.085 R)
• M12: 7,456,107 km (0.076 R)
• M13: 7,999,447 km (0.119 R)
• M14: 8,883,421 km (0.06 R)
• M15: 9,452,641 km (0.116 R)
• M16: 13,815,513 km (0.099 R)
• M17: 14,524,158 km (0.073 R)
• M18: 15,085,449 km (0.111 R)
• M19: 15,954,613 km (0.102 R)
• M20: 17,919,880 km (0.102 R)
• M21: 26,729,250 km (0.101 R)
• M22: 28,259,487 km (0.096 R)
• M23: 29,757,560 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.6

Radius: 12.7

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.08 AU - 6.04 AU

Year: 8892 Days

Day: 9.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 150.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,959,750 km

• M1: 172,187 km (0.06 R)
• M2: 1,468,901 km (0.12 R)
• M3: 2,510,402 km (0.076 R)
• M4: 3,063,465 km (0.073 R)
• M5: 3,601,419 km (0.089 R)
• M6: 6,204,272 km (0.106 R)
• M7: 7,691,275 km (0.114 R)
• M8: 13,337,099 km (0.052 R)
• M9: 17,061,936 km (0.047 R)
• M10: 20,332,445 km (0.108 R)
• M11: 25,762,848 km (0.047 R)
• M12: 29,053,851 km (0.09 R)
• M13: 33,684,055 km (0.109 R)
• M14: 34,227,245 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.8

Radius: 4.7

Gravity: 26.43 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.29 AU - 6.93 AU

Year: 11526 Days

Day: 20.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,959,750 km

• M1: 58,493 km (0.056 R)
• M2: 223,499 km (0.083 R)
• M3: 445,802 km (0.075 R)
• M4: 681,568 km (0.08 R)
• M5: 1,559,558 km (0.093 R)
• M6: 1,819,409 km (0.098 R)
• M7: 3,835,390 km (0.092 R)
• M8: 4,251,571 km (0.085 R)
• M9: 5,011,229 km (0.094 R)
• M10: 6,600,408 km (0.081 R)
• M11: 6,795,483 km (0.1 R)
• M12: 8,225,639 km (0.091 R)
• M13: 12,182,951 km (0.102 R)
• M14: 12,655,381 km (0.11 R)
• M15: 16,380,368 km (0.041 R)
• M16: 17,768,188 km (0.072 R)
• M17: 19,153,614 km (0.072 R)
• M18: 21,619,884 km (0.052 R)
• M19: 27,977,046 km (0.105 R)
• M20: 31,687,821 km (0.038 R)
• M21: 37,291,907 km (0.086 R)
• M22: 38,411,348 km (0.086 R)
• M23: 43,113,358 km (0.119 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 18,356 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit