🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.3

Radius: 10.3

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.38 AU - 0.64 AU

Year: 251 Days

Day: 10.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,895,174 km

• M1: 128,205 km (0.039 R)
• M2: 469,139 km (0.114 R)
• M3: 821,741 km (0.098 R)
• M4: 1,174,343 km (0.116 R)
• M5: 1,709,305 km (0.064 R)
• M6: 2,238,732 km (0.113 R)
• M7: 2,563,659 km (0.112 R)
• M8: 3,124,950 km (0.104 R)
• M9: 3,553,997 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.4

Radius: 10.3

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.58 AU - 0.88 AU

Year: 431 Days

Day: 14.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,895,174 km

• M1: 128,056 km (0.118 R)
• M2: 452,982 km (0.065 R)
• M3: 904,319 km (0.084 R)
• M4: 1,519,914 km (0.075 R)
• M5: 2,094,969 km (0.089 R)
• M6: 2,657,008 km (0.072 R)
• M7: 3,190,474 km (0.077 R)
• M8: 3,976,311 km (0.11 R)
• M9: 4,372,746 km (0.067 R)
• M10: 5,911,958 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.5

Radius: 11.7

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.8 AU - 0.8 AU

Year: 494 Days

Day: 9.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,895,174 km

• M1: 145,559 km (0.075 R)
• M2: 517,908 km (0.114 R)
• M3: 1,001,259 km (0.068 R)
• M4: 1,772,136 km (0.099 R)
• M5: 2,272,840 km (0.048 R)
• M6: 2,661,197 km (0.079 R)
• M7: 3,073,787 km (0.049 R)
• M8: 3,474,111 km (0.106 R)
• M9: 3,921,110 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223

Radius: 10.2

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.64 AU - 1.04 AU

Year: 531 Days

Day: 11.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,895,174 km

• M1: 129,402 km (0.09 R)
• M2: 502,649 km (0.09 R)
• M3: 910,303 km (0.047 R)
• M4: 1,436,289 km (0.072 R)
• M5: 1,770,192 km (0.063 R)
• M6: 2,691,266 km (0.074 R)
• M7: 3,487,426 km (0.075 R)
• M8: 3,953,124 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.7

Radius: 10.8

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.35 AU - 2.23 AU

Year: 1653 Days

Day: 8.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,895,174 km

• M1: 134,488 km (0.103 R)
• M2: 527,781 km (0.034 R)
• M3: 1,034,469 km (0.12 R)
• M4: 1,721,572 km (0.105 R)
• M5: 2,063,703 km (0.102 R)
• M6: 2,760,679 km (0.109 R)
• M7: 3,234,456 km (0.094 R)
• M8: 3,641,960 km (0.113 R)
• M9: 5,696,687 km (0.101 R)
• M10: 6,620,603 km (0.099 R)
• M11: 7,557,236 km (0.104 R)
• M12: 8,428,643 km (0.091 R)
• M13: 9,593,861 km (0.12 R)
• M14: 11,079,517 km (0.119 R)
• M15: 12,752,919 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.2

Radius: 12.5

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.72 AU - 2.58 AU

Year: 2176 Days

Day: 6.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,895,174 km

• M1: 156,031 km (0.047 R)
• M2: 560,394 km (0.049 R)
• M3: 1,413,401 km (0.082 R)
• M4: 2,342,403 km (0.073 R)
• M5: 2,826,801 km (0.096 R)
• M6: 3,292,500 km (0.116 R)
• M7: 3,923,055 km (0.042 R)
• M8: 4,895,291 km (0.12 R)
• M9: 7,110,686 km (0.111 R)
• M10: 7,917,019 km (0.065 R)
• M11: 8,487,884 km (0.043 R)
• M12: 11,443,340 km (0.061 R)
• M13: 14,883,492 km (0.092 R)
• M14: 16,455,018 km (0.091 R)
• M15: 17,333,456 km (0.097 R)
• M16: 17,757,716 km (0.058 R)

Asteroid Belt

Center: 5.08 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.6

Radius: 3.7

Gravity: 44.16 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.54 AU - 9.46 AU

Year: 15619 Days

Day: 21.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,895,174 km

• M1: 46,824 km (0.067 R)
• M2: 194,776 km (0.119 R)
• M3: 555,756 km (0.057 R)
• M4: 1,682,826 km (0.104 R)
• M5: 2,248,606 km (0.061 R)
• M6: 3,603,065 km (0.114 R)
• M7: 4,339,984 km (0.087 R)
• M8: 4,929,250 km (0.078 R)
• M9: 8,298,792 km (0.114 R)
• M10: 8,592,902 km (0.063 R)
• M11: 8,995,769 km (0.101 R)
• M12: 16,107,801 km (0.074 R)
• M13: 16,411,934 km (0.097 R)
• M14: 21,903,073 km (0.064 R)
• M15: 23,035,080 km (0.094 R)
• M16: 30,888,819 km (0.082 R)
• M17: 51,089,767 km (0.102 R)
• M18: 53,241,583 km (0.098 R)
• M19: 54,254,809 km (0.067 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 10,744 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit