🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.7

Radius: 10.1

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.53 AU - 0.73 AU

Year: 351 Days

Day: 5.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,483,992 km

• M1: 125,662 km (0.068 R)
• M2: 452,982 km (0.092 R)
• M3: 921,672 km (0.104 R)
• M4: 1,299,706 km (0.106 R)
• M5: 1,834,818 km (0.073 R)
• M6: 2,622,301 km (0.095 R)
• M7: 3,357,575 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.3

Radius: 9.4

Gravity: 10.02 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.78 AU - 1.02 AU

Year: 600 Days

Day: 6.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,483,992 km

• M1: 116,836 km (0.08 R)
• M2: 424,110 km (0.068 R)
• M3: 722,259 km (0.036 R)
• M4: 1,238,670 km (0.031 R)
• M5: 1,728,454 km (0.077 R)
• M6: 2,033,185 km (0.111 R)
• M7: 2,353,474 km (0.088 R)
• M8: 3,351,740 km (0.106 R)
• M9: 3,647,794 km (0.117 R)
• M10: 4,675,382 km (0.105 R)
• M11: 5,418,435 km (0.1 R)
• M12: 6,522,168 km (0.061 R)
• M13: 6,857,417 km (0.094 R)
• M14: 7,404,197 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.5

Radius: 9.9

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.88 AU - 1.02 AU

Year: 651 Days

Day: 10.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,483,992 km

• M1: 123,269 km (0.078 R)
• M2: 433,385 km (0.062 R)
• M3: 850,314 km (0.041 R)
• M4: 1,176,587 km (0.094 R)
• M5: 1,660,536 km (0.037 R)
• M6: 2,377,110 km (0.103 R)
• M7: 2,742,279 km (0.109 R)
• M8: 3,314,191 km (0.05 R)
• M9: 3,801,132 km (0.027 R)
• M10: 4,162,262 km (0.086 R)
• M11: 4,480,606 km (0.092 R)
• M12: 4,918,778 km (0.059 R)
• M13: 5,553,821 km (0.073 R)
• M14: 7,957,560 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.1

Radius: 12.4

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.18 AU - 1.5 AU

Year: 1090 Days

Day: 9.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,483,992 km

• M1: 154,235 km (0.059 R)
• M2: 587,471 km (0.072 R)
• M3: 979,417 km (0.114 R)
• M4: 1,403,527 km (0.109 R)
• M5: 1,936,844 km (0.053 R)
• M6: 2,913,419 km (0.089 R)
• M7: 3,657,219 km (0.111 R)
• M8: 4,207,440 km (0.072 R)
• M9: 5,036,811 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.7

Radius: 14.2

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.97 AU - 3.35 AU

Year: 3949 Days

Day: 11.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,483,992 km

• M1: 176,675 km (0.058 R)
• M2: 901,327 km (0.076 R)
• M3: 2,017,626 km (0.082 R)
• M4: 2,581,610 km (0.114 R)
• M5: 3,092,188 km (0.1 R)
• M6: 5,201,368 km (0.072 R)
• M7: 6,249,451 km (0.096 R)
• M8: 8,956,275 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.2

Radius: 6.8

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.56 AU - 7.44 AU

Year: 11649 Days

Day: 21.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,483,992 km

• M1: 85,869 km (0.102 R)
• M2: 411,245 km (0.11 R)
• M3: 745,147 km (0.119 R)
• M4: 1,105,229 km (0.098 R)
• M5: 1,482,066 km (0.058 R)
• M6: 2,526,110 km (0.049 R)
• M7: 3,571,649 km (0.067 R)
• M8: 6,196,493 km (0.117 R)
• M9: 14,719,533 km (0.076 R)
• M10: 15,566,855 km (0.059 R)
• M11: 17,732,733 km (0.109 R)
• M12: 22,210,796 km (0.054 R)
• M13: 25,262,144 km (0.084 R)
• M14: 27,726,320 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655

Radius: 7.4

Gravity: 11.96 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.16 AU - 8.88 AU

Year: 14496 Days

Day: 22.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,483,992 km

• M1: 99,632 km (0.041 R)
• M2: 582,385 km (0.044 R)
• M3: 1,228,647 km (0.114 R)
• M4: 2,203,726 km (0.074 R)
• M5: 2,444,728 km (0.119 R)
• M6: 3,052,993 km (0.114 R)
• M7: 3,511,660 km (0.073 R)
• M8: 4,630,503 km (0.118 R)
• M9: 5,856,009 km (0.08 R)
• M10: 6,282,363 km (0.087 R)
• M11: 9,339,844 km (0.091 R)
• M12: 11,394,271 km (0.036 R)
• M13: 15,997,697 km (0.091 R)
• M14: 16,907,851 km (0.047 R)
• M15: 17,612,756 km (0.086 R)
• M16: 19,165,133 km (0.057 R)
• M17: 19,588,345 km (0.061 R)
• M18: 20,365,805 km (0.074 R)
• M19: 24,267,916 km (0.095 R)
• M20: 28,751,215 km (0.072 R)
• M21: 30,436,584 km (0.116 R)
• M22: 33,026,124 km (0.108 R)
• M23: 34,748,294 km (0.106 R)
• M24: 35,377,652 km (0.096 R)
• M25: 37,049,558 km (0.114 R)
• M26: 39,860,353 km (0.072 R)
• M27: 41,387,897 km (0.116 R)
• M28: 45,902,311 km (0.115 R)
• M29: 46,507,734 km (0.048 R)
• M30: 47,118,542 km (0.076 R)
• M31: 47,580,052 km (0.085 R)
• M32: 48,668,675 km (0.074 R)
• M33: 49,933,076 km (0.09 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 11,544 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit