🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.5

Radius: 9.9

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.74 AU - 0.76 AU

Year: 441 Days

Day: 5.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,973,869 km

• M1: 123,418 km (0.119 R)
• M2: 452,085 km (0.085 R)
• M3: 809,324 km (0.053 R)
• M4: 1,125,275 km (0.106 R)
• M5: 1,574,368 km (0.093 R)
• M6: 2,302,610 km (0.098 R)
• M7: 2,661,346 km (0.111 R)
• M8: 3,264,375 km (0.117 R)
• M9: 3,630,292 km (0.113 R)
• M10: 4,064,275 km (0.104 R)
• M11: 4,772,770 km (0.049 R)
• M12: 5,197,030 km (0.058 R)
• M13: 5,612,314 km (0.098 R)
• M14: 6,194,399 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.4

Radius: 11.1

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.35 AU - 2.19 AU

Year: 1597 Days

Day: 11.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,973,869 km

• M1: 138,079 km (0.109 R)
• M2: 518,955 km (0.06 R)
• M3: 904,469 km (0.098 R)
• M4: 1,524,402 km (0.101 R)
• M5: 2,045,900 km (0.108 R)
• M6: 2,934,512 km (0.07 R)
• M7: 3,647,346 km (0.114 R)
• M8: 5,243,705 km (0.117 R)
• M9: 5,937,091 km (0.058 R)
• M10: 6,391,569 km (0.028 R)
• M11: 8,837,793 km (0.108 R)
• M12: 9,304,389 km (0.081 R)
• M13: 10,118,501 km (0.1 R)
• M14: 11,925,793 km (0.094 R)
• M15: 13,814,765 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.6

Radius: 9.9

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.43 AU - 3.03 AU

Year: 3059 Days

Day: 8.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,973,869 km

• M1: 123,119 km (0.116 R)
• M2: 432,637 km (0.087 R)
• M3: 963,560 km (0.117 R)
• M4: 1,402,779 km (0.064 R)
• M5: 2,362,749 km (0.117 R)
• M6: 2,723,728 km (0.108 R)
• M7: 3,352,937 km (0.102 R)
• M8: 3,791,109 km (0.042 R)
• M9: 4,397,729 km (0.071 R)
• M10: 4,923,864 km (0.057 R)
• M11: 6,495,689 km (0.091 R)
• M12: 7,365,002 km (0.072 R)
• M13: 8,480,554 km (0.041 R)
• M14: 9,007,138 km (0.069 R)
• M15: 11,801,028 km (0.063 R)
• M16: 15,279,627 km (0.074 R)
• M17: 16,379,321 km (0.118 R)
• M18: 17,699,672 km (0.095 R)
• M19: 20,055,988 km (0.06 R)
• M20: 20,551,157 km (0.057 R)
• M21: 21,181,712 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.1

Radius: 12.7

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.03 AU - 3.25 AU

Year: 3774 Days

Day: 12.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,973,869 km

• M1: 158,125 km (0.047 R)
• M2: 595,549 km (0.108 R)
• M3: 1,268,440 km (0.091 R)
• M4: 1,911,262 km (0.109 R)
• M5: 2,593,279 km (0.035 R)
• M6: 3,180,750 km (0.104 R)
• M7: 8,863,973 km (0.081 R)
• M8: 9,856,405 km (0.107 R)
• M9: 13,466,950 km (0.063 R)
• M10: 16,872,994 km (0.083 R)
• M11: 20,501,939 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304

Radius: 9.8

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.14 AU - 4.18 AU

Year: 4749 Days

Day: 7.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,973,869 km

• M1: 122,371 km (0.114 R)
• M2: 547,977 km (0.104 R)
• M3: 860,786 km (0.115 R)
• M4: 1,224,907 km (0.063 R)
• M5: 1,715,289 km (0.1 R)
• M6: 2,020,170 km (0.093 R)
• M7: 2,419,895 km (0.093 R)
• M8: 3,092,637 km (0.096 R)
• M9: 4,008,924 km (0.062 R)
• M10: 5,603,787 km (0.075 R)
• M11: 6,370,177 km (0.11 R)
• M12: 6,959,293 km (0.082 R)
• M13: 8,910,348 km (0.103 R)
• M14: 9,761,411 km (0.107 R)
• M15: 11,411,774 km (0.067 R)
• M16: 11,928,186 km (0.091 R)
• M17: 14,546,598 km (0.119 R)
• M18: 16,419,114 km (0.112 R)
• M19: 18,741,322 km (0.092 R)
• M20: 19,339,414 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.9

Radius: 12.9

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.54 AU - 5.86 AU

Year: 6911 Days

Day: 10.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,973,869 km

• M1: 166,203 km (0.075 R)
• M2: 737,218 km (0.078 R)
• M3: 1,186,012 km (0.116 R)
• M4: 1,877,004 km (0.092 R)
• M5: 2,522,669 km (0.048 R)
• M6: 3,292,200 km (0.111 R)
• M7: 4,590,411 km (0.077 R)
• M8: 6,141,741 km (0.088 R)
• M9: 6,797,278 km (0.102 R)
• M10: 7,608,398 km (0.088 R)
• M11: 12,716,717 km (0.044 R)
• M12: 13,242,703 km (0.1 R)
• M13: 13,783,349 km (0.11 R)
• M14: 18,518,720 km (0.12 R)
• M15: 20,240,891 km (0.098 R)
• M16: 20,958,961 km (0.107 R)
• M17: 23,059,764 km (0.077 R)
• M18: 23,527,556 km (0.086 R)
• M19: 24,241,288 km (0.084 R)
• M20: 26,982,220 km (0.117 R)
• M21: 29,923,464 km (0.042 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 15,209 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit