🌌 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: 367.5

Radius: 8.2

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.47 AU - 0.55 AU

Year: 256 Days

Day: 13.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,553,848 km

• M1: 102,026 km (0.117 R)
• M2: 383,419 km (0.064 R)
• M3: 639,082 km (0.095 R)
• M4: 1,003,054 km (0.117 R)
• M5: 1,502,860 km (0.1 R)
• M6: 1,911,113 km (0.113 R)
• M7: 2,353,324 km (0.037 R)
• M8: 2,698,895 km (0.104 R)
• M9: 3,041,474 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190

Radius: 14.8

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.52 AU - 0.72 AU

Year: 343 Days

Day: 14.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 50,553,848 km

• M1: 184,005 km (0.11 R)
• M2: 725,550 km (0.077 R)
• M3: 1,190,350 km (0.039 R)
• M4: 1,840,503 km (0.073 R)
• M5: 2,731,956 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.7

Radius: 13.1

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.59 AU - 0.91 AU

Year: 457 Days

Day: 5.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,553,848 km

• M1: 162,912 km (0.036 R)
• M2: 591,061 km (0.119 R)
• M3: 1,489,995 km (0.103 R)
• M4: 1,941,930 km (0.059 R)
• M5: 2,397,755 km (0.075 R)
• M6: 2,875,121 km (0.027 R)
• M7: 3,326,907 km (0.073 R)
• M8: 4,037,347 km (0.1 R)
• M9: 4,846,821 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978

Radius: 10.1

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.67 AU - 1.03 AU

Year: 551 Days

Day: 9.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,553,848 km

• M1: 125,662 km (0.091 R)
• M2: 463,753 km (0.079 R)
• M3: 918,681 km (0.089 R)
• M4: 1,270,236 km (0.111 R)
• M5: 1,688,661 km (0.025 R)
• M6: 2,629,482 km (0.116 R)
• M7: 3,513,904 km (0.08 R)
• M8: 4,226,738 km (0.073 R)
• M9: 4,897,385 km (0.068 R)
• M10: 5,491,139 km (0.054 R)
• M11: 6,289,842 km (0.061 R)
• M12: 6,675,955 km (0.087 R)
• M13: 7,229,766 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.1

Radius: 11.5

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.43 AU - 2.39 AU

Year: 1855 Days

Day: 13.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,553,848 km

• M1: 143,016 km (0.068 R)
• M2: 659,876 km (0.065 R)
• M3: 1,099,096 km (0.089 R)
• M4: 1,767,349 km (0.032 R)
• M5: 2,182,184 km (0.099 R)
• M6: 2,793,142 km (0.113 R)
• M7: 3,764,032 km (0.113 R)
• M8: 4,418,672 km (0.108 R)
• M9: 6,763,320 km (0.075 R)
• M10: 8,406,802 km (0.043 R)
• M11: 9,120,384 km (0.107 R)
• M12: 14,098,403 km (0.11 R)
• M13: 14,550,487 km (0.096 R)
• M14: 15,105,795 km (0.119 R)
• M15: 16,856,688 km (0.088 R)

Asteroid Belt

Center: 3.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.6

Radius: 8.9

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.27 AU - 6.05 AU

Year: 8239 Days

Day: 9 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,553,848 km

• M1: 113,694 km (0.118 R)
• M2: 745,297 km (0.062 R)
• M3: 1,078,900 km (0.115 R)
• M4: 1,681,630 km (0.052 R)
• M5: 2,336,719 km (0.085 R)
• M6: 2,987,769 km (0.114 R)
• M7: 4,300,640 km (0.101 R)
• M8: 4,674,933 km (0.107 R)
• M9: 5,187,905 km (0.119 R)
• M10: 6,060,060 km (0.08 R)
• M11: 7,321,021 km (0.094 R)
• M12: 8,498,805 km (0.075 R)
• M13: 8,833,156 km (0.07 R)
• M14: 12,040,833 km (0.079 R)
• M15: 13,904,075 km (0.108 R)
• M16: 15,329,892 km (0.051 R)
• M17: 18,469,802 km (0.04 R)
• M18: 21,317,547 km (0.085 R)
• M19: 23,289,696 km (0.054 R)
• M20: 27,140,943 km (0.112 R)
• M21: 27,684,432 km (0.064 R)
• M22: 28,235,252 km (0.079 R)
• M23: 30,124,374 km (0.079 R)
• M24: 30,609,520 km (0.089 R)
• M25: 31,297,371 km (0.064 R)
• M26: 32,197,052 km (0.105 R)
• M27: 35,105,983 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.1

Radius: 9.3

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.2 AU - 6.66 AU

Year: 8894 Days

Day: 8.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,553,848 km

• M1: 126,560 km (0.071 R)
• M2: 466,297 km (0.112 R)
• M3: 1,227,301 km (0.12 R)
• M4: 1,705,565 km (0.074 R)
• M5: 2,683,636 km (0.079 R)
• M6: 3,682,651 km (0.041 R)
• M7: 4,593,103 km (0.101 R)
• M8: 8,765,238 km (0.117 R)
• M9: 18,239,122 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.9

Radius: 3.4

Gravity: 34.42 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.5 AU - 7.18 AU

Year: 11221 Days

Day: 19.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 50,553,848 km

• M1: 42,336 km (0.095 R)
• M2: 243,246 km (0.108 R)
• M3: 501,751 km (0.109 R)
• M4: 863,479 km (0.096 R)
• M5: 1,278,463 km (0.099 R)
• M6: 1,649,915 km (0.093 R)
• M7: 1,876,256 km (0.077 R)
• M8: 2,299,319 km (0.118 R)
• M9: 2,409,723 km (0.103 R)
• M10: 2,994,201 km (0.042 R)
• M11: 3,125,997 km (0.073 R)
• M12: 4,695,428 km (0.112 R)
• M13: 5,500,415 km (0.078 R)
• M14: 6,249,900 km (0.087 R)
• M15: 6,501,972 km (0.104 R)
• M16: 8,287,423 km (0.114 R)
• M17: 13,193,784 km (0.084 R)
• M18: 15,096,220 km (0.034 R)
• M19: 17,954,437 km (0.105 R)
• M20: 18,463,369 km (0.037 R)
• M21: 20,516,899 km (0.087 R)
• M22: 21,153,289 km (0.087 R)
• M23: 21,884,972 km (0.085 R)
• M24: 23,398,603 km (0.114 R)
• M25: 26,726,258 km (0.037 R)
• M26: 27,869,635 km (0.088 R)
• M27: 29,544,682 km (0.093 R)
• M28: 30,253,626 km (0.088 R)
• M29: 30,560,751 km (0.068 R)
• M30: 32,662,451 km (0.102 R)
• M31: 32,770,012 km (0.112 R)
• M32: 34,411,549 km (0.057 R)
• M33: 37,150,686 km (0.102 R)
• M34: 37,976,167 km (0.12 R)
• M35: 41,526,424 km (0.044 R)
• M36: 41,652,685 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.6

Radius: 7.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 7.6 AU - 9.58 AU

Year: 17697 Days

Day: 24.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,553,848 km

• M1: 93,199 km (0.109 R)
• M2: 363,672 km (0.089 R)
• M3: 616,044 km (0.073 R)
• M4: 853,605 km (0.083 R)
• M5: 2,670,023 km (0.084 R)
• M6: 2,972,958 km (0.085 R)
• M7: 3,226,826 km (0.09 R)
• M8: 5,921,533 km (0.086 R)
• M9: 13,823,442 km (0.08 R)
• M10: 19,642,799 km (0.083 R)
• M11: 21,982,958 km (0.076 R)
• M12: 26,514,727 km (0.1 R)
• M13: 35,188,860 km (0.056 R)
• M14: 39,130,614 km (0.082 R)
• M15: 47,151,603 km (0.033 R)
• M16: 50,251,720 km (0.102 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 19,244 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit