🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.9

Radius: 10.3

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.48 AU - 0.56 AU

Year: 259 Days

Day: 8.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,918,942 km

• M1: 128,056 km (0.075 R)
• M2: 467,643 km (0.105 R)
• M3: 890,556 km (0.106 R)
• M4: 1,310,627 km (0.096 R)
• M5: 1,717,384 km (0.107 R)
• M6: 2,080,757 km (0.085 R)
• M7: 2,956,204 km (0.085 R)
• M8: 3,379,266 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.6

Radius: 13.7

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.63 AU - 0.77 AU

Year: 404 Days

Day: 7.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,918,942 km

• M1: 170,392 km (0.038 R)
• M2: 601,982 km (0.067 R)
• M3: 1,042,697 km (0.101 R)
• M4: 2,018,524 km (0.077 R)
• M5: 2,540,770 km (0.104 R)
• M6: 3,097,723 km (0.11 R)
• M7: 3,660,510 km (0.063 R)
• M8: 4,113,642 km (0.053 R)
• M9: 5,340,943 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.3

Radius: 14.2

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 3.35 AU - 3.63 AU

Year: 4500 Days

Day: 11.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,918,942 km

• M1: 176,825 km (0.12 R)
• M2: 642,972 km (0.069 R)
• M3: 1,197,531 km (0.111 R)
• M4: 1,921,585 km (0.051 R)
• M5: 3,211,417 km (0.055 R)
• M6: 3,664,998 km (0.102 R)
• M7: 4,256,658 km (0.116 R)
• M8: 4,806,580 km (0.067 R)
• M9: 5,604,235 km (0.086 R)
• M10: 8,848,116 km (0.115 R)
• M11: 10,177,891 km (0.081 R)
• M12: 10,664,683 km (0.03 R)
• M13: 11,353,431 km (0.076 R)
• M14: 13,231,932 km (0.101 R)
• M15: 13,866,077 km (0.1 R)
• M16: 14,631,420 km (0.114 R)
• M17: 16,306,617 km (0.057 R)
• M18: 19,490,209 km (0.104 R)
• M19: 20,381,364 km (0.065 R)
• M20: 24,377,123 km (0.116 R)
• M21: 25,736,219 km (0.038 R)
• M22: 28,604,908 km (0.067 R)
• M23: 29,398,525 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.9

Radius: 13.8

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.18 AU - 4.32 AU

Year: 5013 Days

Day: 10.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,918,942 km

• M1: 172,486 km (0.07 R)
• M2: 628,760 km (0.086 R)
• M3: 1,137,692 km (0.035 R)
• M4: 1,792,781 km (0.051 R)
• M5: 2,551,990 km (0.085 R)
• M6: 2,988,217 km (0.044 R)
• M7: 3,453,467 km (0.099 R)
• M8: 4,085,518 km (0.103 R)
• M9: 4,557,649 km (0.056 R)
• M10: 5,612,912 km (0.069 R)
• M11: 6,198,737 km (0.114 R)
• M12: 7,787,916 km (0.079 R)
• M13: 8,677,873 km (0.09 R)
• M14: 9,548,533 km (0.101 R)
• M15: 10,116,257 km (0.035 R)
• M16: 10,845,846 km (0.094 R)
• M17: 11,856,529 km (0.047 R)
• M18: 14,120,842 km (0.092 R)
• M19: 15,443,886 km (0.115 R)
• M20: 17,549,027 km (0.118 R)
• M21: 25,584,377 km (0.094 R)
• M22: 28,431,075 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.6

Radius: 13.6

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.09 AU - 4.71 AU

Year: 5316 Days

Day: 6 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,918,942 km

• M1: 169,195 km (0.045 R)
• M2: 722,408 km (0.09 R)
• M3: 1,215,931 km (0.098 R)
• M4: 1,670,111 km (0.112 R)
• M5: 2,362,450 km (0.041 R)
• M6: 2,847,595 km (0.064 R)
• M7: 3,954,620 km (0.08 R)
• M8: 4,398,177 km (0.114 R)
• M9: 5,276,018 km (0.1 R)
• M10: 7,874,533 km (0.08 R)
• M11: 9,370,661 km (0.066 R)
• M12: 11,983,837 km (0.114 R)
• M13: 15,331,837 km (0.083 R)
• M14: 16,435,121 km (0.085 R)
• M15: 17,281,546 km (0.119 R)
• M16: 20,200,051 km (0.118 R)
• M17: 21,100,929 km (0.063 R)
• M18: 25,053,455 km (0.109 R)
• M19: 27,245,512 km (0.059 R)
• M20: 29,211,378 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182

Radius: 7.3

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 8.34 AU - 11.3 AU

Year: 21241 Days

Day: 22.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,918,942 km

• M1: 109,805 km (0.1 R)
• M2: 953,537 km (0.114 R)
• M3: 1,382,434 km (0.102 R)
• M4: 1,771,987 km (0.086 R)
• M5: 3,442,397 km (0.056 R)
• M6: 5,961,475 km (0.065 R)
• M7: 7,874,084 km (0.081 R)
• M8: 12,921,666 km (0.05 R)
• M9: 14,903,837 km (0.106 R)
• M10: 18,669,814 km (0.118 R)
• M11: 18,983,371 km (0.095 R)
• M12: 22,846,437 km (0.098 R)
• M13: 24,866,607 km (0.114 R)
• M14: 26,017,314 km (0.086 R)
• M15: 36,775,196 km (0.116 R)
• M16: 39,541,111 km (0.093 R)
• M17: 41,904,907 km (0.05 R)
• M18: 46,767,735 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 17,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit