🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.9

Radius: 10.8

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.54 AU - 0.82 AU

Year: 368 Days

Day: 6.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,849,934 km

• M1: 134,339 km (0.099 R)
• M2: 582,235 km (0.062 R)
• M3: 988,543 km (0.109 R)
• M4: 1,365,829 km (0.088 R)
• M5: 1,720,675 km (0.065 R)
• M6: 2,379,953 km (0.081 R)
• M7: 2,754,546 km (0.11 R)
• M8: 3,211,118 km (0.106 R)
• M9: 3,647,346 km (0.108 R)
• M10: 4,161,364 km (0.118 R)
• M11: 4,598,639 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.4

Radius: 10.2

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.48 AU - 1.9 AU

Year: 1441 Days

Day: 8.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,849,934 km

• M1: 127,009 km (0.042 R)
• M2: 520,152 km (0.061 R)
• M3: 1,089,521 km (0.084 R)
• M4: 1,431,502 km (0.088 R)
• M5: 1,910,215 km (0.049 R)
• M6: 2,416,155 km (0.119 R)
• M7: 4,994,923 km (0.078 R)
• M8: 6,551,489 km (0.071 R)
• M9: 7,417,212 km (0.074 R)
• M10: 9,181,569 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.4

Radius: 13.6

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.33 AU - 2.51 AU

Year: 2470 Days

Day: 10.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,849,934 km

• M1: 169,943 km (0.09 R)
• M2: 630,705 km (0.088 R)
• M3: 1,094,159 km (0.067 R)
• M4: 1,555,818 km (0.039 R)
• M5: 2,673,613 km (0.029 R)
• M6: 3,389,289 km (0.026 R)
• M7: 4,125,311 km (0.084 R)
• M8: 4,825,878 km (0.091 R)
• M9: 6,078,461 km (0.074 R)
• M10: 7,107,245 km (0.104 R)
• M11: 7,537,638 km (0.085 R)
• M12: 9,363,780 km (0.11 R)
• M13: 11,763,629 km (0.053 R)
• M14: 13,544,591 km (0.07 R)
• M15: 15,807,708 km (0.107 R)
• M16: 16,974,870 km (0.104 R)
• M17: 18,715,890 km (0.088 R)
• M18: 19,900,556 km (0.053 R)
• M19: 21,009,076 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.3

Radius: 13.2

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.47 AU - 3.73 AU

Year: 3581 Days

Day: 10.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 57,849,934 km

• M1: 164,109 km (0.098 R)
• M2: 1,281,007 km (0.097 R)
• M3: 2,027,051 km (0.117 R)
• M4: 2,640,702 km (0.106 R)
• M5: 3,990,673 km (0.064 R)
• M6: 4,873,749 km (0.069 R)
• M7: 5,444,764 km (0.079 R)
• M8: 6,111,223 km (0.083 R)
• M9: 6,612,375 km (0.038 R)
• M10: 7,027,360 km (0.098 R)
• M11: 7,788,215 km (0.087 R)
• M12: 9,268,486 km (0.094 R)
• M13: 10,039,364 km (0.088 R)
• M14: 10,701,633 km (0.068 R)
• M15: 11,789,509 km (0.054 R)
• M16: 12,949,940 km (0.101 R)
• M17: 13,690,748 km (0.079 R)
• M18: 15,497,143 km (0.119 R)
• M19: 16,282,531 km (0.114 R)
• M20: 17,145,861 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.7

Radius: 14.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.2 AU - 4.9 AU

Year: 5347 Days

Day: 6.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,849,934 km

• M1: 486,492 km (0.113 R)
• M2: 1,283,400 km (0.066 R)
• M3: 2,164,532 km (0.089 R)
• M4: 2,789,851 km (0.116 R)
• M5: 4,067,865 km (0.096 R)
• M6: 6,276,379 km (0.118 R)
• M7: 11,428,679 km (0.112 R)
• M8: 11,985,033 km (0.077 R)
• M9: 12,514,759 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136

Radius: 11.7

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.33 AU - 5.25 AU

Year: 6877 Days

Day: 12.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,849,934 km

• M1: 145,559 km (0.06 R)
• M2: 701,016 km (0.037 R)
• M3: 1,189,153 km (0.08 R)
• M4: 1,692,251 km (0.082 R)
• M5: 6,452,455 km (0.117 R)
• M6: 7,793,301 km (0.088 R)
• M7: 12,253,262 km (0.098 R)
• M8: 14,200,578 km (0.109 R)
• M9: 14,693,204 km (0.042 R)
• M10: 15,974,509 km (0.118 R)
• M11: 17,273,468 km (0.101 R)
• M12: 19,472,257 km (0.079 R)
• M13: 21,399,527 km (0.064 R)
• M14: 21,786,686 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 438.4

Radius: 6.4

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 6.66 AU - 10.56 AU

Year: 16573 Days

Day: 23.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,849,934 km

• M1: 101,128 km (0.042 R)
• M2: 737,667 km (0.101 R)
• M3: 1,416,991 km (0.08 R)
• M4: 1,937,292 km (0.077 R)
• M5: 2,271,045 km (0.111 R)
• M6: 3,776,897 km (0.058 R)
• M7: 4,452,033 km (0.104 R)
• M8: 7,563,968 km (0.101 R)
• M9: 9,586,680 km (0.093 R)
• M10: 10,443,876 km (0.065 R)
• M11: 11,005,018 km (0.091 R)
• M12: 11,704,687 km (0.047 R)
• M13: 12,620,525 km (0.08 R)
• M14: 13,256,915 km (0.09 R)
• M15: 20,669,040 km (0.117 R)
• M16: 35,934,755 km (0.061 R)
• M17: 36,569,050 km (0.097 R)
• M18: 37,469,330 km (0.055 R)
• M19: 43,901,290 km (0.079 R)
• M20: 45,064,713 km (0.115 R)
• M21: 46,248,481 km (0.11 R)
• M22: 52,968,268 km (0.115 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 12,840 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit