🌌 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: 441.3

Radius: 10.9

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.39 AU - 0.65 AU

Year: 259 Days

Day: 7.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,907,125 km

• M1: 136,284 km (0.069 R)
• M2: 481,556 km (0.096 R)
• M3: 862,581 km (0.092 R)
• M4: 1,261,260 km (0.116 R)
• M5: 1,696,589 km (0.07 R)
• M6: 2,050,987 km (0.114 R)
• M7: 2,479,435 km (0.112 R)
• M8: 2,859,563 km (0.089 R)
• M9: 3,288,460 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.7

Radius: 12.1

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.59 AU - 0.77 AU

Year: 387 Days

Day: 14.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,907,125 km

• M1: 153,487 km (0.068 R)
• M2: 679,324 km (0.112 R)
• M3: 1,255,425 km (0.061 R)
• M4: 1,884,933 km (0.099 R)
• M5: 2,563,060 km (0.11 R)
• M6: 3,608,151 km (0.086 R)
• M7: 4,153,136 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.9

Radius: 11

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.61 AU - 0.85 AU

Year: 431 Days

Day: 8.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,907,125 km

• M1: 136,732 km (0.104 R)
• M2: 592,856 km (0.076 R)
• M3: 949,498 km (0.03 R)
• M4: 1,504,356 km (0.12 R)
• M5: 2,030,342 km (0.074 R)
• M6: 2,558,273 km (0.109 R)
• M7: 2,973,108 km (0.099 R)
• M8: 3,345,756 km (0.089 R)
• M9: 4,098,832 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.2

Radius: 15

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.66 AU - 0.9 AU

Year: 476 Days

Day: 8.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,907,125 km

• M1: 186,549 km (0.119 R)
• M2: 1,008,439 km (0.078 R)
• M3: 1,578,557 km (0.112 R)
• M4: 2,233,496 km (0.037 R)
• M5: 2,724,776 km (0.044 R)
• M6: 3,300,279 km (0.063 R)
• M7: 3,995,759 km (0.115 R)
• M8: 4,498,558 km (0.089 R)
• M9: 5,277,214 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.2

Radius: 13.4

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.09 AU - 2.99 AU

Year: 2794 Days

Day: 11.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 65.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,907,125 km

• M1: 166,652 km (0.076 R)
• M2: 744,249 km (0.115 R)
• M3: 1,352,365 km (0.116 R)
• M4: 1,936,544 km (0.044 R)
• M5: 2,607,491 km (0.114 R)
• M6: 3,656,471 km (0.03 R)
• M7: 4,195,622 km (0.102 R)
• M8: 4,969,791 km (0.118 R)
• M9: 6,828,694 km (0.054 R)
• M10: 8,478,310 km (0.104 R)
• M11: 9,333,262 km (0.114 R)
• M12: 10,722,577 km (0.03 R)
• M13: 11,179,449 km (0.068 R)
• M14: 12,321,629 km (0.047 R)
• M15: 12,980,308 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.1

Radius: 13.1

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.76 AU - 4.4 AU

Year: 4676 Days

Day: 8.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 24,907,125 km

• M1: 162,912 km (0.081 R)
• M2: 571,464 km (0.092 R)
• M3: 1,623,286 km (0.12 R)
• M4: 2,129,376 km (0.119 R)
• M5: 2,911,175 km (0.105 R)
• M6: 3,686,540 km (0.1 R)
• M7: 4,445,002 km (0.101 R)
• M8: 5,091,863 km (0.079 R)
• M9: 5,929,461 km (0.096 R)
• M10: 7,030,352 km (0.107 R)
• M11: 7,507,270 km (0.082 R)
• M12: 10,490,401 km (0.039 R)
• M13: 11,763,479 km (0.1 R)
• M14: 13,048,076 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.2

Radius: 11.5

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.39 AU - 5.25 AU

Year: 6198 Days

Day: 8.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 24,907,125 km

• M1: 143,614 km (0.082 R)
• M2: 520,750 km (0.077 R)
• M3: 1,347,278 km (0.113 R)
• M4: 2,044,105 km (0.116 R)
• M5: 3,003,327 km (0.034 R)
• M6: 3,605,009 km (0.092 R)
• M7: 4,173,930 km (0.093 R)
• M8: 4,753,323 km (0.067 R)
• M9: 5,572,670 km (0.064 R)
• M10: 6,453,951 km (0.081 R)
• M11: 6,912,469 km (0.029 R)
• M12: 7,725,384 km (0.093 R)
• M13: 8,102,669 km (0.115 R)
• M14: 10,259,572 km (0.118 R)
• M15: 10,928,274 km (0.108 R)
• M16: 12,260,144 km (0.107 R)
• M17: 13,797,112 km (0.118 R)
• M18: 14,978,636 km (0.096 R)
• M19: 16,506,479 km (0.057 R)
• M20: 19,051,738 km (0.058 R)
• M21: 20,777,349 km (0.112 R)
• M22: 22,954,896 km (0.12 R)
• M23: 23,737,293 km (0.112 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 11,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit