🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.7

Radius: 9.7

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.57 AU - 0.93 AU

Year: 457 Days

Day: 5.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,628,189 km

• M1: 120,576 km (0.103 R)
• M2: 505,940 km (0.111 R)
• M3: 885,769 km (0.061 R)
• M4: 1,398,291 km (0.114 R)
• M5: 2,134,911 km (0.04 R)
• M6: 2,585,949 km (0.046 R)
• M7: 3,156,964 km (0.061 R)
• M8: 4,303,183 km (0.077 R)
• M9: 5,846,135 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.7

Radius: 10

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.28 AU - 1.34 AU

Year: 1054 Days

Day: 11.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,628,189 km

• M1: 124,465 km (0.099 R)
• M2: 453,132 km (0.113 R)
• M3: 875,297 km (0.049 R)
• M4: 1,255,874 km (0.109 R)
• M5: 1,593,367 km (0.098 R)
• M6: 2,012,690 km (0.113 R)
• M7: 2,602,704 km (0.116 R)
• M8: 3,188,978 km (0.051 R)
• M9: 3,637,472 km (0.096 R)
• M10: 4,736,418 km (0.048 R)
• M11: 6,828,395 km (0.077 R)
• M12: 8,461,106 km (0.102 R)
• M13: 9,001,005 km (0.051 R)
• M14: 9,413,296 km (0.117 R)
• M15: 10,086,786 km (0.107 R)
• M16: 10,467,513 km (0.114 R)
• M17: 10,890,725 km (0.09 R)
• M18: 11,325,307 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.3

Radius: 13.6

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.18 AU - 1.48 AU

Year: 1078 Days

Day: 8.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 21,628,189 km

• M1: 169,644 km (0.027 R)
• M2: 755,170 km (0.105 R)
• M3: 1,925,624 km (0.096 R)
• M4: 2,457,893 km (0.092 R)
• M5: 2,886,042 km (0.106 R)
• M6: 3,403,501 km (0.083 R)
• M7: 3,982,744 km (0.09 R)
• M8: 5,430,403 km (0.088 R)
• M9: 6,609,234 km (0.066 R)
• M10: 7,515,647 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.9

Radius: 10.7

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.28 AU - 1.4 AU

Year: 1090 Days

Day: 5.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,628,189 km

• M1: 135,536 km (0.092 R)
• M2: 513,270 km (0.043 R)
• M3: 868,864 km (0.059 R)
• M4: 1,291,778 km (0.089 R)
• M5: 1,958,386 km (0.1 R)
• M6: 2,416,305 km (0.106 R)
• M7: 2,790,150 km (0.115 R)
• M8: 4,085,069 km (0.119 R)
• M9: 4,601,481 km (0.098 R)
• M10: 5,417,238 km (0.116 R)
• M11: 5,849,426 km (0.101 R)
• M12: 6,461,282 km (0.086 R)
• M13: 6,853,378 km (0.119 R)
• M14: 8,152,336 km (0.059 R)
• M15: 8,555,951 km (0.1 R)
• M16: 9,171,995 km (0.077 R)
• M17: 9,579,350 km (0.107 R)
• M18: 10,809,942 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.2

Radius: 9.3

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.5 AU - 1.56 AU

Year: 1330 Days

Day: 14.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,628,189 km

• M1: 115,789 km (0.118 R)
• M2: 519,254 km (0.105 R)
• M3: 857,345 km (0.109 R)
• M4: 1,299,706 km (0.064 R)
• M5: 1,939,836 km (0.106 R)
• M6: 2,247,409 km (0.086 R)
• M7: 2,976,100 km (0.04 R)
• M8: 4,188,441 km (0.114 R)
• M9: 5,960,877 km (0.081 R)
• M10: 6,524,711 km (0.106 R)
• M11: 7,322,965 km (0.105 R)
• M12: 8,626,561 km (0.107 R)
• M13: 9,527,290 km (0.119 R)
• M14: 9,923,276 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.2

Radius: 13.9

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.12 AU - 2.96 AU

Year: 2846 Days

Day: 7.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 21,628,189 km

• M1: 173,085 km (0.117 R)
• M2: 674,836 km (0.102 R)
• M3: 1,182,272 km (0.046 R)
• M4: 1,728,603 km (0.105 R)
• M5: 2,274,935 km (0.074 R)
• M6: 2,743,775 km (0.074 R)
• M7: 3,349,048 km (0.093 R)
• M8: 3,920,661 km (0.114 R)
• M9: 4,624,369 km (0.055 R)
• M10: 5,823,696 km (0.104 R)
• M11: 6,257,380 km (0.12 R)
• M12: 7,251,757 km (0.105 R)
• M13: 8,867,115 km (0.094 R)
• M14: 10,082,896 km (0.087 R)
• M15: 10,591,230 km (0.092 R)
• M16: 12,264,183 km (0.064 R)
• M17: 13,489,090 km (0.066 R)
• M18: 14,350,026 km (0.058 R)
• M19: 16,023,278 km (0.109 R)
• M20: 17,098,737 km (0.082 R)
• M21: 17,879,788 km (0.098 R)
• M22: 19,155,110 km (0.099 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: 213 - 20,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit