🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.7

Radius: 13.8

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.52 AU - 0.6 AU

Year: 279 Days

Day: 12.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 74,716,629 km

• M1: 171,738 km (0.066 R)
• M2: 674,238 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.4

Radius: 12.3

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.53 AU - 0.59 AU

Year: 279 Days

Day: 6.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,716,629 km

• M1: 154,086 km (0.107 R)
• M2: 536,757 km (0.05 R)
• M3: 934,388 km (0.113 R)
• M4: 1,330,673 km (0.077 R)
• M5: 1,945,371 km (0.088 R)
• M6: 2,976,998 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.4

Radius: 9.9

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.59 AU - 0.67 AU

Year: 333 Days

Day: 5.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,716,629 km

• M1: 123,568 km (0.114 R)
• M2: 438,023 km (0.101 R)
• M3: 956,230 km (0.07 R)
• M4: 1,427,014 km (0.104 R)
• M5: 1,805,945 km (0.088 R)
• M6: 2,119,503 km (0.066 R)
• M7: 2,453,704 km (0.109 R)
• M8: 2,939,449 km (0.102 R)
• M9: 3,488,323 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.8

Radius: 12.9

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.62 AU - 0.66 AU

Year: 341 Days

Day: 11.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 74,716,629 km

• M1: 162,613 km (0.099 R)
• M2: 607,816 km (0.067 R)
• M3: 1,064,838 km (0.033 R)
• M4: 1,575,714 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.2

Radius: 13.3

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.91 AU - 1.37 AU

Year: 812 Days

Day: 13.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,716,629 km

• M1: 165,455 km (0.039 R)
• M2: 590,612 km (0.114 R)
• M3: 1,026,241 km (0.111 R)
• M4: 1,458,430 km (0.066 R)
• M5: 2,015,383 km (0.038 R)
• M6: 2,636,363 km (0.09 R)
• M7: 3,593,640 km (0.094 R)
• M8: 4,190,685 km (0.063 R)
• M9: 5,158,135 km (0.117 R)
• M10: 5,676,641 km (0.105 R)
• M11: 6,269,497 km (0.076 R)
• M12: 7,556,936 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.8

Radius: 14.4

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.28 AU - 1.36 AU

Year: 1011 Days

Day: 5.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,716,629 km

• M1: 179,069 km (0.076 R)
• M2: 753,674 km (0.114 R)
• M3: 1,276,967 km (0.108 R)
• M4: 1,912,758 km (0.034 R)
• M5: 2,577,571 km (0.086 R)
• M6: 3,689,083 km (0.103 R)
• M7: 5,001,206 km (0.074 R)
• M8: 5,455,685 km (0.111 R)
• M9: 6,217,886 km (0.091 R)
• M10: 6,926,830 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.9

Radius: 13.7

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.47 AU - 2.45 AU

Year: 1830 Days

Day: 12.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,716,629 km

• M1: 175,329 km (0.119 R)
• M2: 728,242 km (0.059 R)
• M3: 1,922,333 km (0.107 R)
• M4: 2,625,891 km (0.065 R)
• M5: 3,057,631 km (0.061 R)
• M6: 3,703,445 km (0.079 R)
• M7: 4,391,296 km (0.099 R)
• M8: 4,953,485 km (0.072 R)
• M9: 5,470,645 km (0.087 R)
• M10: 5,925,721 km (0.105 R)
• M11: 6,447,369 km (0.109 R)
• M12: 7,087,498 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 879.9

Radius: 7

Gravity: 17.96 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.62 AU - 10.82 AU

Year: 17171 Days

Day: 18.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,716,629 km

• M1: 87,066 km (0.079 R)
• M2: 338,989 km (0.091 R)
• M3: 559,646 km (0.029 R)
• M4: 860,188 km (0.116 R)
• M5: 1,413,999 km (0.055 R)
• M6: 1,639,144 km (0.098 R)
• M7: 1,869,824 km (0.099 R)
• M8: 2,288,847 km (0.102 R)
• M9: 3,259,438 km (0.074 R)
• M10: 5,008,088 km (0.102 R)
• M11: 5,268,388 km (0.082 R)
• M12: 7,024,667 km (0.115 R)
• M13: 10,948,021 km (0.1 R)
• M14: 11,387,390 km (0.119 R)
• M15: 14,723,572 km (0.12 R)
• M16: 16,860,428 km (0.117 R)
• M17: 19,015,834 km (0.078 R)
• M18: 24,391,035 km (0.119 R)
• M19: 28,644,551 km (0.088 R)
• M20: 29,000,146 km (0.059 R)
• M21: 35,639,000 km (0.086 R)
• M22: 36,882,308 km (0.053 R)
• M23: 38,728,944 km (0.072 R)
• M24: 39,748,304 km (0.068 R)
• M25: 42,145,311 km (0.102 R)
• M26: 42,451,537 km (0.096 R)
• M27: 50,082,974 km (0.106 R)
• M28: 62,867,907 km (0.104 R)
• M29: 70,327,754 km (0.037 R)
• M30: 74,046,907 km (0.111 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: 277 - 19,988 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit