🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.8

Radius: 10.8

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.63 AU - 0.75 AU

Year: 389 Days

Day: 14.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,137,077 km

• M1: 134,339 km (0.102 R)
• M2: 477,965 km (0.102 R)
• M3: 855,700 km (0.054 R)
• M4: 1,383,481 km (0.099 R)
• M5: 2,181,885 km (0.077 R)
• M6: 2,593,877 km (0.066 R)
• M7: 3,275,146 km (0.079 R)
• M8: 4,112,745 km (0.038 R)
• M9: 5,714,788 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.6

Radius: 12.2

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.96 AU - 1.24 AU

Year: 782 Days

Day: 6.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,137,077 km

• M1: 151,842 km (0.111 R)
• M2: 542,143 km (0.117 R)
• M3: 923,468 km (0.116 R)
• M4: 1,355,806 km (0.073 R)
• M5: 2,028,398 km (0.101 R)
• M6: 2,627,687 km (0.1 R)
• M7: 3,142,602 km (0.101 R)
• M8: 3,608,301 km (0.119 R)
• M9: 4,183,355 km (0.117 R)
• M10: 5,197,030 km (0.092 R)
• M11: 5,752,188 km (0.09 R)
• M12: 6,325,447 km (0.089 R)
• M13: 7,256,843 km (0.069 R)
• M14: 9,117,242 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.5

Radius: 9.1

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.18 AU - 1.78 AU

Year: 1221 Days

Day: 13.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,137,077 km

• M1: 113,246 km (0.031 R)
• M2: 660,325 km (0.111 R)
• M3: 1,038,359 km (0.119 R)
• M4: 1,481,019 km (0.116 R)
• M5: 2,236,488 km (0.038 R)
• M6: 2,596,421 km (0.088 R)
• M7: 2,994,800 km (0.086 R)
• M8: 3,337,080 km (0.104 R)
• M9: 3,705,539 km (0.037 R)
• M10: 5,307,433 km (0.081 R)
• M11: 6,757,635 km (0.09 R)
• M12: 8,584,823 km (0.106 R)
• M13: 9,115,896 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.4

Radius: 13.7

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.53 AU - 1.71 AU

Year: 1399 Days

Day: 6.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,137,077 km

• M1: 170,542 km (0.065 R)
• M2: 633,697 km (0.115 R)
• M3: 1,266,196 km (0.099 R)
• M4: 1,724,714 km (0.101 R)
• M5: 2,307,697 km (0.114 R)
• M6: 3,020,830 km (0.118 R)
• M7: 3,979,902 km (0.104 R)
• M8: 7,678,410 km (0.071 R)
• M9: 8,234,316 km (0.081 R)
• M10: 8,876,838 km (0.117 R)
• M11: 9,584,137 km (0.045 R)
• M12: 10,032,781 km (0.12 R)
• M13: 10,562,806 km (0.07 R)
• M14: 11,041,819 km (0.116 R)
• M15: 12,834,151 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.3

Radius: 8.5

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.02 AU - 5.04 AU

Year: 7651 Days

Day: 12.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,137,077 km

• M1: 111,750 km (0.119 R)
• M2: 558,598 km (0.099 R)
• M3: 1,025,643 km (0.078 R)
• M4: 5,435,788 km (0.087 R)
• M5: 6,252,144 km (0.086 R)
• M6: 6,941,790 km (0.084 R)
• M7: 8,433,131 km (0.066 R)
• M8: 9,069,371 km (0.066 R)
• M9: 10,039,663 km (0.116 R)
• M10: 11,840,372 km (0.115 R)
• M11: 12,384,909 km (0.101 R)
• M12: 13,049,871 km (0.072 R)
• M13: 17,296,655 km (0.103 R)
• M14: 19,937,058 km (0.099 R)
• M15: 28,915,024 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.6

Radius: 7.6

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.61 AU - 6.21 AU

Year: 9745 Days

Day: 23.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,137,077 km

• M1: 102,923 km (0.069 R)
• M2: 395,387 km (0.087 R)
• M3: 729,589 km (0.052 R)
• M4: 1,030,879 km (0.071 R)
• M5: 1,573,919 km (0.088 R)
• M6: 4,236,612 km (0.059 R)
• M7: 7,682,748 km (0.1 R)
• M8: 7,947,686 km (0.084 R)
• M9: 12,786,878 km (0.082 R)
• M10: 19,658,656 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 619

Radius: 5.7

Gravity: 19.05 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 8.37 AU - 10.09 AU

Year: 19019 Days

Day: 16.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 71,137,077 km

• M1: 71,807 km (0.088 R)
• M2: 261,796 km (0.104 R)
• M3: 492,327 km (0.113 R)
• M4: 946,805 km (0.094 R)
• M5: 1,249,292 km (0.077 R)
• M6: 1,804,150 km (0.101 R)
• M7: 3,848,555 km (0.083 R)
• M8: 4,126,358 km (0.118 R)
• M9: 5,681,877 km (0.077 R)
• M10: 7,033,344 km (0.083 R)
• M11: 9,497,819 km (0.055 R)
• M12: 9,948,558 km (0.047 R)
• M13: 10,711,058 km (0.066 R)
• M14: 11,323,512 km (0.058 R)
• M15: 11,766,022 km (0.074 R)
• M16: 12,820,538 km (0.089 R)
• M17: 16,440,656 km (0.111 R)
• M18: 17,255,067 km (0.105 R)
• M19: 17,672,146 km (0.1 R)
• M20: 18,439,733 km (0.109 R)
• M21: 21,733,429 km (0.108 R)
• M22: 25,721,858 km (0.026 R)
• M23: 26,596,257 km (0.111 R)
• M24: 27,152,612 km (0.039 R)
• M25: 29,456,270 km (0.114 R)
• M26: 30,292,372 km (0.096 R)
• M27: 32,768,366 km (0.069 R)
• M28: 37,281,585 km (0.079 R)
• M29: 40,412,518 km (0.11 R)
• M30: 41,147,792 km (0.039 R)
• M31: 43,407,019 km (0.111 R)
• M32: 49,665,446 km (0.045 R)
• M33: 52,398,001 km (0.096 R)
• M34: 53,978,203 km (0.084 R)
• M35: 60,425,871 km (0.084 R)
• M36: 64,132,009 km (0.102 R)
• M37: 66,957,763 km (0.108 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 19,711 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit