🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.2

Radius: 12.4

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.44 AU - 0.68 AU

Year: 279 Days

Day: 12.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,645,375 km

• M1: 154,235 km (0.077 R)
• M2: 553,811 km (0.057 R)
• M3: 955,182 km (0.081 R)
• M4: 1,357,451 km (0.034 R)
• M5: 1,917,246 km (0.094 R)
• M6: 2,861,957 km (0.106 R)
• M7: 3,330,647 km (0.101 R)
• M8: 3,942,502 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423

Radius: 13

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.53 AU - 0.83 AU

Year: 374 Days

Day: 14.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,645,375 km

• M1: 161,865 km (0.068 R)
• M2: 654,640 km (0.06 R)
• M3: 1,267,842 km (0.098 R)
• M4: 2,156,005 km (0.118 R)
• M5: 2,633,820 km (0.104 R)
• M6: 3,318,081 km (0.102 R)
• M7: 3,806,817 km (0.078 R)
• M8: 4,538,051 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.3

Radius: 10.3

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.78 AU - 1.82 AU

Year: 1610 Days

Day: 6.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,645,375 km

• M1: 128,205 km (0.107 R)
• M2: 455,526 km (0.117 R)
• M3: 1,201,420 km (0.084 R)
• M4: 1,673,701 km (0.112 R)
• M5: 2,662,842 km (0.037 R)
• M6: 3,088,598 km (0.054 R)
• M7: 3,542,478 km (0.085 R)
• M8: 4,096,738 km (0.065 R)
• M9: 5,561,600 km (0.072 R)
• M10: 6,387,530 km (0.119 R)
• M11: 7,045,461 km (0.114 R)
• M12: 7,376,970 km (0.1 R)
• M13: 8,161,312 km (0.096 R)
• M14: 8,936,229 km (0.088 R)
• M15: 11,786,068 km (0.115 R)
• M16: 12,613,793 km (0.049 R)
• M17: 14,650,867 km (0.052 R)
• M18: 15,330,191 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.2

Radius: 12.5

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.58 AU - 2.54 AU

Year: 1972 Days

Day: 7.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,645,375 km

• M1: 155,432 km (0.08 R)
• M2: 600,336 km (0.091 R)
• M3: 1,039,556 km (0.101 R)
• M4: 1,493,735 km (0.118 R)
• M5: 1,972,298 km (0.06 R)
• M6: 2,998,091 km (0.111 R)
• M7: 3,672,628 km (0.116 R)
• M8: 4,493,920 km (0.071 R)
• M9: 5,218,423 km (0.095 R)
• M10: 7,611,091 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.1

Radius: 8

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.7 AU - 3.26 AU

Year: 3430 Days

Day: 5.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 24,645,375 km

• M1: 99,483 km (0.074 R)
• M2: 363,822 km (0.112 R)
• M3: 979,866 km (0.107 R)
• M4: 1,691,503 km (0.106 R)
• M5: 1,959,732 km (0.099 R)
• M6: 2,445,776 km (0.099 R)
• M7: 3,579,428 km (0.049 R)
• M8: 4,025,828 km (0.047 R)
• M9: 5,128,664 km (0.076 R)
• M10: 5,590,323 km (0.083 R)
• M11: 6,655,759 km (0.083 R)
• M12: 6,926,830 km (0.077 R)
• M13: 7,395,072 km (0.116 R)
• M14: 8,119,724 km (0.12 R)
• M15: 8,640,324 km (0.094 R)
• M16: 9,036,160 km (0.073 R)
• M17: 9,748,246 km (0.081 R)
• M18: 10,376,408 km (0.061 R)
• M19: 11,976,506 km (0.119 R)
• M20: 12,468,833 km (0.115 R)
• M21: 13,161,770 km (0.111 R)
• M22: 13,977,976 km (0.078 R)
• M23: 14,624,538 km (0.066 R)
• M24: 16,850,106 km (0.038 R)
• M25: 17,241,753 km (0.071 R)
• M26: 20,031,005 km (0.06 R)
• M27: 21,894,396 km (0.095 R)
• M28: 22,698,186 km (0.053 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 99.4

Radius: 5.2

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.63 AU - 6.27 AU

Year: 9678 Days

Day: 20.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,645,375 km

• M1: 65,973 km (0.11 R)
• M2: 363,672 km (0.105 R)
• M3: 633,697 km (0.092 R)
• M4: 825,631 km (0.11 R)
• M5: 1,250,189 km (0.048 R)
• M6: 1,568,085 km (0.089 R)
• M7: 1,834,219 km (0.076 R)
• M8: 2,921,347 km (0.119 R)
• M9: 3,682,950 km (0.104 R)
• M10: 4,154,333 km (0.102 R)
• M11: 4,664,910 km (0.109 R)
• M12: 5,951,302 km (0.102 R)
• M13: 8,532,015 km (0.092 R)
• M14: 9,393,101 km (0.109 R)
• M15: 9,904,725 km (0.096 R)
• M16: 10,559,665 km (0.088 R)
• M17: 15,213,655 km (0.118 R)
• M18: 15,428,328 km (0.067 R)
• M19: 18,224,013 km (0.112 R)
• M20: 21,676,432 km (0.101 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 19,378 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit