🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.2

Radius: 14.8

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.71 AU - 0.87 AU

Year: 476 Days

Day: 6 Hours

Environment

Temp: -167 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,703,498 km

• M1: 184,454 km (0.102 R)
• M2: 649,853 km (0.05 R)
• M3: 1,231,639 km (0.066 R)
• M4: 1,951,055 km (0.11 R)
• M5: 2,501,276 km (0.089 R)
• M6: 3,062,568 km (0.077 R)
• M7: 3,535,446 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.6

Radius: 9.8

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.72 AU - 1 AU

Year: 541 Days

Day: 7.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 18,703,498 km

• M1: 123,269 km (0.093 R)
• M2: 433,834 km (0.081 R)
• M3: 759,808 km (0.05 R)
• M4: 1,227,750 km (0.108 R)
• M5: 1,540,260 km (0.12 R)
• M6: 1,981,723 km (0.078 R)
• M7: 2,340,758 km (0.045 R)
• M8: 2,818,274 km (0.114 R)
• M9: 3,156,515 km (0.118 R)
• M10: 3,598,128 km (0.063 R)
• M11: 4,279,696 km (0.067 R)
• M12: 4,590,710 km (0.027 R)
• M13: 4,900,826 km (0.065 R)
• M14: 5,703,269 km (0.081 R)
• M15: 6,044,203 km (0.108 R)
• M16: 6,360,752 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.9

Radius: 14

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.84 AU - 1.3 AU

Year: 751 Days

Day: 10.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,703,498 km

• M1: 174,132 km (0.088 R)
• M2: 614,997 km (0.026 R)
• M3: 1,184,965 km (0.1 R)
• M4: 1,763,759 km (0.107 R)
• M5: 2,509,953 km (0.094 R)
• M6: 3,252,108 km (0.036 R)
• M7: 3,727,979 km (0.066 R)
• M8: 4,164,954 km (0.118 R)
• M9: 4,759,755 km (0.053 R)
• M10: 5,496,226 km (0.076 R)
• M11: 6,460,085 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.6

Radius: 11.9

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.56 AU - 1.76 AU

Year: 1451 Days

Day: 14 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,703,498 km

• M1: 147,952 km (0.113 R)
• M2: 524,939 km (0.041 R)
• M3: 1,456,186 km (0.115 R)
• M4: 1,909,766 km (0.05 R)
• M5: 2,399,400 km (0.068 R)
• M6: 2,879,460 km (0.058 R)
• M7: 3,482,938 km (0.036 R)
• M8: 3,871,593 km (0.101 R)
• M9: 4,943,910 km (0.032 R)
• M10: 6,006,205 km (0.074 R)
• M11: 6,499,130 km (0.051 R)
• M12: 7,116,371 km (0.108 R)
• M13: 8,088,607 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.3

Radius: 14.8

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.68 AU - 2.26 AU

Year: 1875 Days

Day: 14.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 18,703,498 km

• M1: 184,005 km (0.03 R)
• M2: 768,035 km (0.05 R)
• M3: 1,305,989 km (0.084 R)
• M4: 1,908,270 km (0.056 R)
• M5: 2,410,770 km (0.096 R)
• M6: 2,927,182 km (0.108 R)
• M7: 3,998,302 km (0.038 R)
• M8: 4,941,367 km (0.101 R)
• M9: 6,253,640 km (0.086 R)
• M10: 7,213,161 km (0.033 R)
• M11: 8,548,172 km (0.118 R)
• M12: 9,291,524 km (0.059 R)
• M13: 9,972,643 km (0.065 R)
• M14: 11,282,522 km (0.102 R)
• M15: 12,540,790 km (0.113 R)
• M16: 13,204,106 km (0.109 R)
• M17: 13,978,275 km (0.11 R)
• M18: 14,646,380 km (0.076 R)
• M19: 15,902,553 km (0.025 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643

Radius: 14.1

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.87 AU - 2.15 AU

Year: 1933 Days

Day: 12.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,703,498 km

• M1: 175,329 km (0.101 R)
• M2: 905,217 km (0.085 R)
• M3: 1,383,182 km (0.046 R)
• M4: 2,344,199 km (0.116 R)
• M5: 2,856,272 km (0.049 R)
• M6: 3,459,750 km (0.11 R)
• M7: 4,338,189 km (0.098 R)
• M8: 4,799,698 km (0.12 R)
• M9: 6,694,056 km (0.118 R)
• M10: 7,175,462 km (0.083 R)
• M11: 7,651,333 km (0.116 R)
• M12: 9,337,600 km (0.118 R)
• M13: 10,783,613 km (0.117 R)
• M14: 13,267,536 km (0.076 R)
• M15: 15,001,375 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.1

Radius: 9.3

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 4.87 AU - 5.69 AU

Year: 8229 Days

Day: 12.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 18,703,498 km

• M1: 115,639 km (0.11 R)
• M2: 622,626 km (0.103 R)
• M3: 1,088,025 km (0.074 R)
• M4: 1,425,069 km (0.11 R)
• M5: 1,720,675 km (0.094 R)
• M6: 2,467,168 km (0.05 R)
• M7: 2,836,226 km (0.099 R)
• M8: 3,157,861 km (0.048 R)
• M9: 3,558,036 km (0.104 R)
• M10: 4,567,073 km (0.115 R)
• M11: 4,897,535 km (0.117 R)
• M12: 5,581,945 km (0.066 R)
• M13: 6,628,831 km (0.088 R)
• M14: 7,436,211 km (0.053 R)
• M15: 7,988,825 km (0.071 R)
• M16: 10,782,416 km (0.099 R)
• M17: 13,711,393 km (0.104 R)
• M18: 15,901,954 km (0.119 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 16,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit