🌌 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: 550

Radius: 14.1

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.69 AU - 0.81 AU

Year: 448 Days

Day: 13.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,021,161 km

• M1: 175,329 km (0.087 R)
• M2: 648,956 km (0.064 R)
• M3: 1,147,416 km (0.081 R)
• M4: 1,784,403 km (0.072 R)
• M5: 2,953,810 km (0.107 R)
• M6: 3,603,813 km (0.108 R)
• M7: 4,430,790 km (0.112 R)
• M8: 5,070,321 km (0.114 R)
• M9: 5,541,105 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.1

Radius: 13.8

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.63 AU - 1.05 AU

Year: 531 Days

Day: 13.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,021,161 km

• M1: 171,738 km (0.109 R)
• M2: 623,524 km (0.118 R)
• M3: 1,086,679 km (0.108 R)
• M4: 1,538,465 km (0.073 R)
• M5: 2,111,125 km (0.103 R)
• M6: 2,585,051 km (0.106 R)
• M7: 3,039,380 km (0.109 R)
• M8: 3,491,913 km (0.071 R)
• M9: 4,588,316 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.6

Radius: 8.3

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.91 AU - 0.99 AU

Year: 639 Days

Day: 14.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,021,161 km

• M1: 126,111 km (0.075 R)
• M2: 387,458 km (0.05 R)
• M3: 942,766 km (0.082 R)
• M4: 1,214,585 km (0.093 R)
• M5: 1,552,676 km (0.087 R)
• M6: 1,929,962 km (0.104 R)
• M7: 2,212,104 km (0.06 R)
• M8: 2,530,897 km (0.095 R)
• M9: 3,067,205 km (0.098 R)
• M10: 3,430,878 km (0.118 R)
• M11: 3,810,856 km (0.102 R)
• M12: 4,101,076 km (0.063 R)
• M13: 4,460,709 km (0.09 R)
• M14: 4,769,180 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.3

Radius: 11.8

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.45 AU - 1.71 AU

Year: 1371 Days

Day: 9.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,021,161 km

• M1: 157,227 km (0.03 R)
• M2: 663,018 km (0.098 R)
• M3: 1,104,331 km (0.097 R)
• M4: 2,887,688 km (0.083 R)
• M5: 3,449,727 km (0.107 R)
• M6: 3,826,863 km (0.099 R)
• M7: 4,306,923 km (0.068 R)
• M8: 4,713,380 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.6

Radius: 10.8

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.31 AU - 2.09 AU

Year: 1530 Days

Day: 8.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,021,161 km

• M1: 135,536 km (0.092 R)
• M2: 551,418 km (0.09 R)
• M3: 1,227,451 km (0.116 R)
• M4: 1,724,415 km (0.086 R)
• M5: 3,968,084 km (0.118 R)
• M6: 5,143,175 km (0.097 R)
• M7: 6,744,919 km (0.074 R)
• M8: 7,521,033 km (0.102 R)
• M9: 8,009,320 km (0.066 R)
• M10: 9,221,662 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387

Radius: 8.1

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.97 AU - 2.17 AU

Year: 2056 Days

Day: 7.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,021,161 km

• M1: 100,979 km (0.047 R)
• M2: 358,586 km (0.113 R)
• M3: 639,232 km (0.043 R)
• M4: 2,732,854 km (0.099 R)
• M5: 3,575,988 km (0.107 R)
• M6: 4,277,302 km (0.038 R)
• M7: 6,307,345 km (0.088 R)
• M8: 7,655,372 km (0.103 R)
• M9: 8,020,391 km (0.081 R)
• M10: 11,774,100 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.4

Radius: 13.2

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.94 AU - 4.54 AU

Year: 6026 Days

Day: 9.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,021,161 km

• M1: 187,297 km (0.111 R)
• M2: 668,254 km (0.115 R)
• M3: 1,590,973 km (0.115 R)
• M4: 2,007,304 km (0.108 R)
• M5: 2,654,614 km (0.054 R)
• M6: 3,147,689 km (0.119 R)
• M7: 4,050,662 km (0.106 R)
• M8: 8,194,223 km (0.096 R)
• M9: 9,505,150 km (0.1 R)
• M10: 9,986,705 km (0.077 R)
• M11: 10,904,039 km (0.116 R)
• M12: 19,175,455 km (0.048 R)
• M13: 19,946,034 km (0.076 R)
• M14: 22,305,641 km (0.078 R)
• M15: 26,015,668 km (0.102 R)
• M16: 28,555,391 km (0.076 R)
• M17: 29,468,237 km (0.091 R)
• M18: 31,160,189 km (0.092 R)
• M19: 32,323,612 km (0.105 R)
• M20: 32,916,169 km (0.116 R)
• M21: 33,515,907 km (0.105 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 17,323 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit