🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.5

Radius: 11.2

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.72 AU - 1.18 AU

Year: 639 Days

Day: 7.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,908,583 km

• M1: 139,276 km (0.107 R)
• M2: 568,472 km (0.093 R)
• M3: 1,113,307 km (0.111 R)
• M4: 1,584,241 km (0.107 R)
• M5: 2,008,501 km (0.037 R)
• M6: 2,413,462 km (0.035 R)
• M7: 2,873,027 km (0.104 R)
• M8: 4,036,749 km (0.112 R)
• M9: 4,838,743 km (0.118 R)
• M10: 5,524,350 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.7

Radius: 14.9

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.83 AU - 1.25 AU

Year: 732 Days

Day: 5.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,908,583 km

• M1: 185,352 km (0.111 R)
• M2: 819,946 km (0.108 R)
• M3: 1,576,462 km (0.033 R)
• M4: 2,209,261 km (0.063 R)
• M5: 2,879,161 km (0.078 R)
• M6: 3,641,212 km (0.095 R)
• M7: 4,130,846 km (0.09 R)
• M8: 5,034,417 km (0.089 R)
• M9: 5,607,826 km (0.051 R)
• M10: 7,169,029 km (0.096 R)

Asteroid Belt

Center: 1.64 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.6

Radius: 9.8

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.21 AU - 2.25 AU

Year: 2299 Days

Day: 11.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,908,583 km

• M1: 128,804 km (0.057 R)
• M2: 471,682 km (0.103 R)
• M3: 1,295,218 km (0.114 R)
• M4: 1,642,136 km (0.112 R)
• M5: 2,843,706 km (0.039 R)
• M6: 3,812,352 km (0.071 R)
• M7: 6,588,739 km (0.103 R)
• M8: 7,215,554 km (0.084 R)
• M9: 9,138,485 km (0.081 R)
• M10: 9,595,507 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.5

Radius: 11.4

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.89 AU - 4.23 AU

Year: 5647 Days

Day: 11 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,908,583 km

• M1: 143,016 km (0.058 R)
• M2: 834,906 km (0.105 R)
• M3: 1,346,830 km (0.086 R)
• M4: 2,367,985 km (0.093 R)
• M5: 3,222,189 km (0.09 R)
• M6: 3,865,908 km (0.118 R)
• M7: 4,615,693 km (0.093 R)
• M8: 7,639,514 km (0.114 R)
• M9: 8,581,083 km (0.05 R)
• M10: 9,345,678 km (0.094 R)
• M11: 15,067,797 km (0.117 R)
• M12: 16,598,482 km (0.114 R)
• M13: 17,510,580 km (0.077 R)
• M14: 19,376,066 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.9

Radius: 11.1

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.69 AU - 5.01 AU

Year: 7373 Days

Day: 9.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 41,908,583 km

• M1: 139,575 km (0.101 R)
• M2: 635,193 km (0.114 R)
• M3: 1,124,378 km (0.109 R)
• M4: 1,566,888 km (0.119 R)
• M5: 2,208,065 km (0.087 R)
• M6: 2,852,831 km (0.106 R)
• M7: 3,209,174 km (0.071 R)
• M8: 3,619,221 km (0.083 R)
• M9: 3,987,531 km (0.109 R)
• M10: 4,771,424 km (0.112 R)
• M11: 5,432,347 km (0.105 R)
• M12: 6,644,689 km (0.11 R)
• M13: 7,086,601 km (0.081 R)
• M14: 7,988,377 km (0.11 R)
• M15: 9,368,267 km (0.091 R)
• M16: 10,601,702 km (0.076 R)
• M17: 11,569,301 km (0.096 R)
• M18: 12,101,720 km (0.105 R)
• M19: 13,504,649 km (0.082 R)
• M20: 13,975,583 km (0.116 R)
• M21: 14,641,144 km (0.091 R)
• M22: 15,013,044 km (0.087 R)
• M23: 17,378,336 km (0.116 R)
• M24: 17,936,037 km (0.116 R)
• M25: 26,863,290 km (0.067 R)
• M26: 30,832,121 km (0.037 R)
• M27: 31,856,268 km (0.118 R)
• M28: 33,649,199 km (0.089 R)
• M29: 34,734,830 km (0.117 R)
• M30: 35,731,601 km (0.034 R)
• M31: 39,192,548 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692

Radius: 3.1

Gravity: 72.01 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.36 AU - 6.8 AU

Year: 9098 Days

Day: 19.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 41,908,583 km

• M1: 38,596 km (0.079 R)
• M2: 333,603 km (0.027 R)
• M3: 499,657 km (0.082 R)
• M4: 646,861 km (0.096 R)
• M5: 2,361,253 km (0.052 R)
• M6: 2,694,557 km (0.11 R)
• M7: 2,840,564 km (0.117 R)
• M8: 4,205,196 km (0.091 R)
• M9: 4,430,491 km (0.115 R)
• M10: 5,780,761 km (0.098 R)
• M11: 5,918,840 km (0.092 R)
• M12: 8,176,571 km (0.102 R)
• M13: 11,591,591 km (0.092 R)
• M14: 14,541,212 km (0.097 R)
• M15: 16,324,568 km (0.113 R)
• M16: 19,380,105 km (0.098 R)
• M17: 30,577,954 km (0.117 R)
• M18: 31,420,340 km (0.096 R)
• M19: 39,833,874 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.6

Radius: 4.9

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.71 AU - 8.25 AU

Year: 14121 Days

Day: 16.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,908,583 km

• M1: 126,261 km (0.118 R)
• M2: 309,069 km (0.119 R)
• M3: 482,603 km (0.04 R)
• M4: 676,332 km (0.033 R)
• M5: 959,970 km (0.096 R)
• M6: 2,357,214 km (0.063 R)
• M7: 4,489,432 km (0.036 R)
• M8: 5,075,257 km (0.108 R)
• M9: 5,810,232 km (0.091 R)
• M10: 5,979,128 km (0.104 R)
• M11: 6,397,553 km (0.096 R)
• M12: 8,310,611 km (0.111 R)
• M13: 9,700,375 km (0.109 R)
• M14: 11,659,808 km (0.045 R)
• M15: 12,256,703 km (0.096 R)
• M16: 17,295,159 km (0.074 R)
• M17: 22,882,042 km (0.115 R)
• M18: 23,218,936 km (0.074 R)
• M19: 28,095,527 km (0.11 R)
• M20: 30,062,291 km (0.059 R)
• M21: 31,079,107 km (0.112 R)
• M22: 31,700,238 km (0.069 R)
• M23: 32,118,812 km (0.089 R)
• M24: 35,488,804 km (0.073 R)
• M25: 38,372,452 km (0.049 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: 350 - 19,767 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit