🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603

Radius: 13

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.39 AU - 0.65 AU

Year: 264 Days

Day: 7.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,741,653 km

• M1: 162,014 km (0.105 R)
• M2: 599,139 km (0.091 R)
• M3: 1,079,349 km (0.08 R)
• M4: 1,560,007 km (0.105 R)
• M5: 2,109,928 km (0.075 R)
• M6: 2,612,278 km (0.1 R)
• M7: 3,324,663 km (0.081 R)
• M8: 3,872,790 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343

Radius: 11.4

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.45 AU - 2.05 AU

Year: 1627 Days

Day: 11.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,741,653 km

• M1: 143,913 km (0.089 R)
• M2: 522,845 km (0.116 R)
• M3: 913,893 km (0.063 R)
• M4: 1,388,567 km (0.112 R)
• M5: 2,890,081 km (0.108 R)
• M6: 3,261,234 km (0.114 R)
• M7: 4,393,540 km (0.11 R)
• M8: 5,749,794 km (0.089 R)
• M9: 6,251,396 km (0.069 R)
• M10: 7,443,242 km (0.044 R)
• M11: 7,960,252 km (0.116 R)
• M12: 10,147,074 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.8

Radius: 10.4

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.71 AU - 1.85 AU

Year: 1669 Days

Day: 13.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,741,653 km

• M1: 129,402 km (0.105 R)
• M2: 681,119 km (0.053 R)
• M3: 1,195,137 km (0.075 R)
• M4: 1,590,225 km (0.062 R)
• M5: 2,168,272 km (0.106 R)
• M6: 3,172,821 km (0.106 R)
• M7: 3,943,400 km (0.114 R)
• M8: 5,203,612 km (0.076 R)
• M9: 6,248,853 km (0.062 R)
• M10: 6,582,905 km (0.092 R)
• M11: 7,259,386 km (0.083 R)
• M12: 7,629,043 km (0.064 R)
• M13: 8,344,868 km (0.068 R)
• M14: 9,007,138 km (0.109 R)
• M15: 10,472,749 km (0.067 R)
• M16: 11,206,077 km (0.074 R)
• M17: 11,817,035 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.8

Radius: 13.7

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.79 AU - 4.25 AU

Year: 4642 Days

Day: 13.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,741,653 km

• M1: 170,542 km (0.096 R)
• M2: 625,917 km (0.093 R)
• M3: 1,068,578 km (0.118 R)
• M4: 1,634,357 km (0.107 R)
• M5: 2,067,293 km (0.052 R)
• M6: 2,511,599 km (0.103 R)
• M7: 3,153,523 km (0.044 R)
• M8: 3,814,147 km (0.078 R)
• M9: 4,820,492 km (0.116 R)
• M10: 5,330,771 km (0.103 R)
• M11: 6,272,190 km (0.111 R)
• M12: 8,371,048 km (0.067 R)
• M13: 13,434,786 km (0.081 R)
• M14: 14,178,288 km (0.117 R)
• M15: 19,699,048 km (0.074 R)
• M16: 23,196,496 km (0.084 R)
• M17: 24,112,334 km (0.101 R)
• M18: 25,131,545 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.3

Radius: 8.7

Gravity: 11.39 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.36 AU - 3.96 AU

Year: 4922 Days

Day: 12 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,741,653 km

• M1: 108,159 km (0.096 R)
• M2: 410,197 km (0.07 R)
• M3: 1,066,184 km (0.12 R)
• M4: 1,928,915 km (0.093 R)
• M5: 2,473,601 km (0.103 R)
• M6: 3,157,113 km (0.102 R)
• M7: 3,597,978 km (0.08 R)
• M8: 5,428,907 km (0.065 R)
• M9: 6,678,647 km (0.077 R)
• M10: 7,551,252 km (0.056 R)
• M11: 11,616,873 km (0.1 R)
• M12: 13,404,119 km (0.109 R)
• M13: 16,633,488 km (0.051 R)
• M14: 17,708,050 km (0.113 R)
• M15: 19,234,845 km (0.087 R)
• M16: 19,995,251 km (0.113 R)
• M17: 20,347,405 km (0.033 R)
• M18: 23,238,084 km (0.066 R)
• M19: 23,705,877 km (0.056 R)
• M20: 24,660,311 km (0.051 R)
• M21: 26,055,910 km (0.079 R)
• M22: 26,901,138 km (0.104 R)
• M23: 28,291,201 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.1

Radius: 3.2

Gravity: 21.01 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.99 AU - 8.05 AU

Year: 14496 Days

Day: 23.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 73.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,741,653 km

• M1: 40,391 km (0.108 R)
• M2: 227,090 km (0.083 R)
• M3: 404,213 km (0.09 R)
• M4: 3,331,395 km (0.086 R)
• M5: 3,566,862 km (0.063 R)
• M6: 5,602,590 km (0.093 R)
• M7: 6,176,447 km (0.101 R)
• M8: 7,090,041 km (0.119 R)
• M9: 7,801,080 km (0.079 R)
• M10: 10,365,188 km (0.091 R)
• M11: 10,866,341 km (0.093 R)
• M12: 12,918,375 km (0.073 R)
• M13: 13,322,588 km (0.048 R)
• M14: 14,400,590 km (0.095 R)
• M15: 17,910,455 km (0.058 R)
• M16: 21,868,666 km (0.091 R)
• M17: 38,324,431 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.3

Radius: 5

Gravity: 25.09 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.79 AU - 9.29 AU

Year: 16025 Days

Day: 16.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,741,653 km

• M1: 77,342 km (0.078 R)
• M2: 1,220,569 km (0.104 R)
• M3: 1,697,038 km (0.1 R)
• M4: 1,904,680 km (0.114 R)
• M5: 4,515,612 km (0.104 R)
• M6: 5,787,942 km (0.086 R)
• M7: 6,929,972 km (0.054 R)
• M8: 9,650,259 km (0.114 R)
• M9: 15,608,892 km (0.08 R)
• M10: 16,213,567 km (0.068 R)
• M11: 17,712,089 km (0.064 R)
• M12: 33,034,202 km (0.117 R)
• M13: 42,140,075 km (0.064 R)
• M14: 50,625,116 km (0.092 R)
• M15: 51,614,407 km (0.095 R)
• M16: 55,178,277 km (0.107 R)
• M17: 55,525,942 km (0.103 R)
• M18: 60,548,841 km (0.042 R)
• M19: 62,980,554 km (0.094 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 15,473 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit