🌌 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: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.4

Radius: 11.1

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.48 AU - 0.62 AU

Year: 272 Days

Day: 6.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 69.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,767,085 km

• M1: 138,079 km (0.062 R)
• M2: 500,704 km (0.069 R)
• M3: 931,097 km (0.09 R)
• M4: 1,481,767 km (0.039 R)
• M5: 2,307,547 km (0.083 R)
• M6: 3,131,083 km (0.091 R)
• M7: 3,720,050 km (0.106 R)
• M8: 4,215,668 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.1

Radius: 12.7

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.75 AU - 0.95 AU

Year: 523 Days

Day: 5.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,767,085 km

• M1: 158,275 km (0.06 R)
• M2: 656,735 km (0.102 R)
• M3: 1,218,175 km (0.1 R)
• M4: 2,020,469 km (0.119 R)
• M5: 3,798,739 km (0.038 R)
• M6: 4,736,568 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.3

Radius: 13.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.64 AU - 2.06 AU

Year: 1678 Days

Day: 12.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,767,085 km

• M1: 167,849 km (0.108 R)
• M2: 640,578 km (0.117 R)
• M3: 1,086,679 km (0.07 R)
• M4: 1,715,439 km (0.058 R)
• M5: 2,207,915 km (0.073 R)
• M6: 2,795,236 km (0.119 R)
• M7: 4,205,346 km (0.113 R)
• M8: 4,644,715 km (0.045 R)
• M9: 5,246,996 km (0.108 R)
• M10: 5,859,749 km (0.08 R)
• M11: 6,834,229 km (0.07 R)
• M12: 7,788,664 km (0.109 R)
• M13: 8,614,593 km (0.113 R)
• M14: 9,583,988 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.5

Radius: 13.6

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.16 AU - 3.76 AU

Year: 4292 Days

Day: 8.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,767,085 km

• M1: 169,345 km (0.089 R)
• M2: 643,869 km (0.077 R)
• M3: 1,454,390 km (0.116 R)
• M4: 2,060,860 km (0.08 R)
• M5: 4,335,945 km (0.052 R)
• M6: 5,287,088 km (0.115 R)
• M7: 5,786,894 km (0.1 R)
• M8: 7,759,193 km (0.078 R)
• M9: 10,070,929 km (0.075 R)
• M10: 12,243,389 km (0.118 R)
• M11: 12,854,347 km (0.1 R)
• M12: 16,743,742 km (0.093 R)
• M13: 18,783,509 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.6

Radius: 11.9

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.81 AU - 4.67 AU

Year: 4823 Days

Day: 8.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,767,085 km

• M1: 148,102 km (0.096 R)
• M2: 866,471 km (0.093 R)
• M3: 1,731,745 km (0.062 R)
• M4: 2,749,010 km (0.067 R)
• M5: 3,327,954 km (0.064 R)
• M6: 4,944,958 km (0.105 R)
• M7: 8,546,975 km (0.103 R)
• M8: 10,133,610 km (0.114 R)
• M9: 13,396,041 km (0.085 R)
• M10: 14,157,045 km (0.076 R)
• M11: 14,946,622 km (0.095 R)
• M12: 15,705,832 km (0.07 R)
• M13: 19,616,470 km (0.114 R)
• M14: 21,391,748 km (0.112 R)
• M15: 23,660,698 km (0.101 R)
• M16: 26,589,825 km (0.093 R)
• M17: 27,100,552 km (0.082 R)
• M18: 31,047,692 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.6

Radius: 12.1

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.76 AU - 5.34 AU

Year: 7568 Days

Day: 8.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,767,085 km

• M1: 152,440 km (0.119 R)
• M2: 977,472 km (0.059 R)
• M3: 1,551,779 km (0.098 R)
• M4: 6,020,417 km (0.114 R)
• M5: 11,545,515 km (0.12 R)
• M6: 12,402,112 km (0.084 R)
• M7: 15,060,167 km (0.114 R)
• M8: 16,257,848 km (0.084 R)
• M9: 18,203,219 km (0.035 R)
• M10: 20,096,380 km (0.083 R)
• M11: 22,918,244 km (0.062 R)
• M12: 26,641,286 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 80.9

Radius: 4.6

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.55 AU - 7.81 AU

Year: 12830 Days

Day: 17.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 69.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,767,085 km

• M1: 57,296 km (0.088 R)
• M2: 232,625 km (0.07 R)
• M3: 440,267 km (0.074 R)
• M4: 828,024 km (0.102 R)
• M5: 3,562,673 km (0.115 R)
• M6: 4,975,775 km (0.117 R)
• M7: 5,215,879 km (0.115 R)
• M8: 6,012,638 km (0.047 R)
• M9: 8,279,793 km (0.043 R)
• M10: 10,313,876 km (0.079 R)
• M11: 11,514,997 km (0.085 R)
• M12: 11,935,367 km (0.079 R)
• M13: 12,905,808 km (0.114 R)
• M14: 15,002,572 km (0.044 R)
• M15: 17,559,499 km (0.099 R)
• M16: 18,812,231 km (0.118 R)
• M17: 23,590,537 km (0.06 R)
• M18: 25,898,683 km (0.103 R)
• M19: 26,781,460 km (0.062 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: 276 - 10,629 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit