🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.4

Radius: 11.3

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.59 AU - 0.77 AU

Year: 368 Days

Day: 7.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,216,395 km

• M1: 140,622 km (0.115 R)
• M2: 698,472 km (0.099 R)
• M3: 1,209,200 km (0.115 R)
• M4: 1,585,737 km (0.117 R)
• M5: 1,991,596 km (0.047 R)
• M6: 2,353,324 km (0.116 R)
• M7: 2,840,564 km (0.111 R)
• M8: 3,594,837 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.8

Radius: 13

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.57 AU - 0.83 AU

Year: 384 Days

Day: 8.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,216,395 km

• M1: 161,715 km (0.115 R)
• M2: 590,612 km (0.112 R)
• M3: 1,054,216 km (0.109 R)
• M4: 1,881,642 km (0.109 R)
• M5: 2,384,740 km (0.069 R)
• M6: 2,789,851 km (0.077 R)
• M7: 3,593,490 km (0.101 R)
• M8: 4,238,706 km (0.106 R)
• M9: 4,944,808 km (0.076 R)
• M10: 5,545,443 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.9

Radius: 14.5

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.96 AU - 1.08 AU

Year: 676 Days

Day: 6.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,216,395 km

• M1: 180,265 km (0.06 R)
• M2: 875,896 km (0.07 R)
• M3: 1,408,464 km (0.094 R)
• M4: 1,969,157 km (0.075 R)
• M5: 3,052,694 km (0.037 R)
• M6: 3,650,188 km (0.1 R)
• M7: 4,298,545 km (0.112 R)
• M8: 5,204,809 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.6

Radius: 9

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.03 AU - 1.33 AU

Year: 841 Days

Day: 8.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,216,395 km

• M1: 111,899 km (0.077 R)
• M2: 425,456 km (0.105 R)
• M3: 1,350,869 km (0.098 R)
• M4: 1,722,769 km (0.038 R)
• M5: 2,038,869 km (0.102 R)
• M6: 2,331,782 km (0.078 R)
• M7: 3,016,043 km (0.107 R)
• M8: 3,438,956 km (0.105 R)
• M9: 4,966,500 km (0.095 R)
• M10: 5,707,907 km (0.068 R)
• M11: 7,075,979 km (0.053 R)
• M12: 7,824,717 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.1

Radius: 13.5

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.48 AU - 3.7 AU

Year: 3563 Days

Day: 7.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 28,216,395 km

• M1: 167,849 km (0.111 R)
• M2: 631,602 km (0.085 R)
• M3: 1,055,114 km (0.08 R)
• M4: 1,567,636 km (0.082 R)
• M5: 2,705,477 km (0.095 R)
• M6: 3,171,475 km (0.079 R)
• M7: 3,650,936 km (0.101 R)
• M8: 4,156,876 km (0.081 R)
• M9: 4,904,417 km (0.112 R)
• M10: 5,549,632 km (0.094 R)
• M11: 6,105,837 km (0.044 R)
• M12: 6,915,910 km (0.055 R)
• M13: 7,461,942 km (0.113 R)
• M14: 8,495,962 km (0.06 R)
• M15: 10,470,205 km (0.106 R)
• M16: 14,517,277 km (0.071 R)
• M17: 18,149,962 km (0.077 R)
• M18: 20,208,578 km (0.082 R)
• M19: 21,868,516 km (0.101 R)
• M20: 22,766,851 km (0.088 R)
• M21: 24,051,149 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.2

Radius: 11.5

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.18 AU - 4.56 AU

Year: 4994 Days

Day: 5.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 28,216,395 km

• M1: 147,504 km (0.062 R)
• M2: 516,711 km (0.085 R)
• M3: 979,417 km (0.114 R)
• M4: 1,782,758 km (0.097 R)
• M5: 2,787,457 km (0.097 R)
• M6: 3,151,728 km (0.117 R)
• M7: 3,673,226 km (0.114 R)
• M8: 4,813,760 km (0.057 R)
• M9: 5,507,894 km (0.069 R)
• M10: 7,129,236 km (0.1 R)
• M11: 7,536,890 km (0.113 R)
• M12: 7,995,857 km (0.103 R)
• M13: 8,738,610 km (0.116 R)
• M14: 9,166,310 km (0.09 R)
• M15: 10,021,861 km (0.094 R)
• M16: 10,974,500 km (0.073 R)
• M17: 12,959,514 km (0.112 R)
• M18: 13,775,122 km (0.066 R)
• M19: 14,355,561 km (0.112 R)
• M20: 14,787,750 km (0.11 R)
• M21: 16,253,061 km (0.05 R)
• M22: 17,444,458 km (0.074 R)
• M23: 18,375,555 km (0.108 R)
• M24: 19,404,938 km (0.064 R)
• M25: 19,933,916 km (0.092 R)
• M26: 20,951,481 km (0.11 R)
• M27: 21,790,276 km (0.049 R)
• M28: 22,943,227 km (0.049 R)
• M29: 23,460,387 km (0.11 R)
• M30: 25,923,665 km (0.079 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 15,461 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit