🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.5

Radius: 12.6

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.58 AU - 0.86 AU

Year: 401 Days

Day: 12.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 50,732,925 km

• M1: 156,779 km (0.092 R)
• M2: 677,678 km (0.087 R)
• M3: 2,123,243 km (0.108 R)
• M4: 3,225,480 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.4

Radius: 8.2

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.95 AU - 1.19 AU

Year: 726 Days

Day: 8.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,732,925 km

• M1: 102,026 km (0.117 R)
• M2: 395,686 km (0.086 R)
• M3: 848,370 km (0.041 R)
• M4: 1,511,686 km (0.119 R)
• M5: 1,786,947 km (0.083 R)
• M6: 2,144,336 km (0.044 R)
• M7: 2,649,378 km (0.118 R)
• M8: 2,991,359 km (0.064 R)
• M9: 3,257,344 km (0.111 R)
• M10: 4,167,647 km (0.058 R)
• M11: 4,681,965 km (0.114 R)
• M12: 5,059,550 km (0.106 R)
• M13: 5,383,579 km (0.083 R)
• M14: 5,856,607 km (0.086 R)
• M15: 6,133,363 km (0.033 R)
• M16: 6,439,740 km (0.12 R)
• M17: 7,674,670 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.2

Radius: 11.1

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.67 AU - 1.75 AU

Year: 1467 Days

Day: 6.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,732,925 km

• M1: 138,677 km (0.07 R)
• M2: 506,688 km (0.073 R)
• M3: 911,799 km (0.082 R)
• M4: 1,280,408 km (0.088 R)
• M5: 1,732,343 km (0.069 R)
• M6: 2,148,225 km (0.049 R)
• M7: 2,768,608 km (0.117 R)
• M8: 3,255,549 km (0.098 R)
• M9: 3,704,642 km (0.031 R)
• M10: 4,194,724 km (0.099 R)
• M11: 4,545,232 km (0.115 R)
• M12: 4,915,487 km (0.059 R)
• M13: 5,447,307 km (0.048 R)
• M14: 5,995,434 km (0.106 R)
• M15: 6,743,722 km (0.11 R)
• M16: 7,326,257 km (0.104 R)
• M17: 8,235,662 km (0.119 R)
• M18: 8,647,804 km (0.077 R)
• M19: 9,044,837 km (0.113 R)
• M20: 10,404,382 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.8

Radius: 13.3

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.17 AU - 3.05 AU

Year: 2766 Days

Day: 10.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,732,925 km

• M1: 165,455 km (0.117 R)
• M2: 609,163 km (0.089 R)
• M3: 1,070,522 km (0.114 R)
• M4: 1,824,795 km (0.087 R)
• M5: 2,359,308 km (0.099 R)
• M6: 3,041,474 km (0.114 R)
• M7: 3,469,923 km (0.099 R)
• M8: 4,189,339 km (0.108 R)
• M9: 5,026,788 km (0.106 R)
• M10: 5,720,323 km (0.105 R)
• M11: 6,427,622 km (0.095 R)
• M12: 7,903,854 km (0.094 R)
• M13: 9,499,315 km (0.081 R)
• M14: 11,050,196 km (0.117 R)
• M15: 11,517,690 km (0.081 R)
• M16: 12,569,512 km (0.038 R)
• M17: 14,056,515 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.8

Radius: 4.8

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.55 AU - 6.35 AU

Year: 9521 Days

Day: 22.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,732,925 km

• M1: 71,657 km (0.114 R)
• M2: 228,586 km (0.111 R)
• M3: 571,464 km (0.094 R)
• M4: 778,059 km (0.103 R)
• M5: 1,147,565 km (0.118 R)
• M6: 2,148,375 km (0.116 R)
• M7: 2,744,672 km (0.116 R)
• M8: 3,165,341 km (0.114 R)
• M9: 3,817,289 km (0.075 R)
• M10: 3,973,469 km (0.077 R)
• M11: 4,576,199 km (0.102 R)
• M12: 7,153,022 km (0.111 R)
• M13: 7,883,060 km (0.071 R)
• M14: 9,000,705 km (0.12 R)
• M15: 11,749,566 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 677.8

Radius: 6.5

Gravity: 16.04 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 6.01 AU - 7.05 AU

Year: 10947 Days

Day: 19.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,732,925 km

• M1: 82,129 km (0.093 R)
• M2: 325,375 km (0.102 R)
• M3: 657,782 km (0.11 R)
• M4: 1,023,399 km (0.097 R)
• M5: 1,290,880 km (0.087 R)
• M6: 1,589,777 km (0.093 R)
• M7: 2,252,495 km (0.084 R)
• M8: 2,794,937 km (0.058 R)
• M9: 3,780,189 km (0.057 R)
• M10: 5,011,080 km (0.093 R)
• M11: 5,441,024 km (0.102 R)
• M12: 6,839,465 km (0.051 R)
• M13: 10,912,716 km (0.059 R)
• M14: 12,269,868 km (0.027 R)
• M15: 16,865,664 km (0.113 R)
• M16: 20,357,727 km (0.069 R)
• M17: 26,209,697 km (0.106 R)
• M18: 28,834,242 km (0.104 R)
• M19: 35,668,770 km (0.04 R)
• M20: 37,006,175 km (0.053 R)
• M21: 37,749,676 km (0.058 R)
• M22: 39,523,009 km (0.119 R)
• M23: 44,475,746 km (0.036 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 18,786 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit