🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

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: 884.6

Radius: 8.5

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.44 AU - 0.6 AU

Year: 250 Days

Day: 8.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,737,081 km

• M1: 105,766 km (0.101 R)
• M2: 502,798 km (0.084 R)
• M3: 791,971 km (0.108 R)
• M4: 1,085,183 km (0.116 R)
• M5: 1,410,558 km (0.084 R)
• M6: 1,752,689 km (0.102 R)
• M7: 2,049,042 km (0.119 R)
• M8: 2,328,491 km (0.105 R)
• M9: 2,651,921 km (0.043 R)
• M10: 2,945,732 km (0.086 R)
• M11: 3,357,275 km (0.051 R)
• M12: 4,021,789 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.3

Radius: 12.8

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.65 AU - 0.99 AU

Year: 495 Days

Day: 6.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,737,081 km

• M1: 159,322 km (0.084 R)
• M2: 682,465 km (0.106 R)
• M3: 1,159,832 km (0.086 R)
• M4: 1,804,150 km (0.117 R)
• M5: 2,487,364 km (0.103 R)
• M6: 3,016,491 km (0.08 R)
• M7: 3,657,070 km (0.12 R)
• M8: 4,222,549 km (0.06 R)
• M9: 4,713,530 km (0.081 R)
• M10: 5,562,647 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.5

Radius: 9.4

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.27 AU - 1.35 AU

Year: 1000 Days

Day: 8.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,737,081 km

• M1: 117,135 km (0.099 R)
• M2: 491,429 km (0.085 R)
• M3: 945,010 km (0.044 R)
• M4: 1,254,378 km (0.103 R)
• M5: 1,844,991 km (0.108 R)
• M6: 2,273,588 km (0.11 R)
• M7: 2,879,909 km (0.056 R)
• M8: 4,602,678 km (0.085 R)
• M9: 5,090,516 km (0.096 R)
• M10: 5,572,820 km (0.091 R)
• M11: 5,876,653 km (0.119 R)
• M12: 6,342,202 km (0.078 R)
• M13: 7,738,249 km (0.049 R)
• M14: 8,350,404 km (0.1 R)
• M15: 8,776,159 km (0.053 R)
• M16: 9,499,016 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.9

Radius: 13.7

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.44 AU - 1.64 AU

Year: 1274 Days

Day: 12.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,737,081 km

• M1: 170,392 km (0.085 R)
• M2: 710,739 km (0.101 R)
• M3: 1,239,418 km (0.111 R)
• M4: 1,860,250 km (0.089 R)
• M5: 2,415,108 km (0.109 R)
• M6: 2,845,501 km (0.044 R)
• M7: 4,528,328 km (0.085 R)
• M8: 5,424,868 km (0.083 R)
• M9: 6,526,357 km (0.052 R)
• M10: 6,964,230 km (0.098 R)
• M11: 7,721,195 km (0.027 R)
• M12: 10,050,135 km (0.056 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.8

Radius: 5

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.56 AU - 7.14 AU

Year: 10671 Days

Day: 20 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,737,081 km

• M1: 62,233 km (0.072 R)
• M2: 237,861 km (0.081 R)
• M3: 446,101 km (0.111 R)
• M4: 641,027 km (0.079 R)
• M5: 2,881,255 km (0.117 R)
• M6: 4,167,198 km (0.059 R)
• M7: 4,738,213 km (0.113 R)
• M8: 4,924,014 km (0.058 R)
• M9: 6,448,267 km (0.091 R)
• M10: 7,089,293 km (0.047 R)
• M11: 7,456,407 km (0.106 R)
• M12: 11,064,857 km (0.108 R)
• M13: 11,227,769 km (0.077 R)
• M14: 12,326,715 km (0.102 R)
• M15: 13,964,064 km (0.082 R)
• M16: 16,155,224 km (0.102 R)
• M17: 16,951,832 km (0.115 R)
• M18: 18,622,841 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.6

Radius: 7.6

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 10.02 AU - 10.66 AU

Year: 22172 Days

Day: 20.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 138.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,737,081 km

• M1: 94,845 km (0.095 R)
• M2: 480,957 km (0.045 R)
• M3: 1,115,103 km (0.09 R)
• M4: 1,508,844 km (0.115 R)
• M5: 2,154,808 km (0.097 R)
• M6: 3,131,233 km (0.107 R)
• M7: 4,547,476 km (0.103 R)
• M8: 5,962,672 km (0.091 R)
• M9: 6,217,138 km (0.081 R)
• M10: 9,011,028 km (0.111 R)
• M11: 11,216,250 km (0.073 R)
• M12: 12,137,025 km (0.077 R)
• M13: 13,831,520 km (0.087 R)
• M14: 14,967,267 km (0.074 R)
• M15: 21,001,447 km (0.114 R)
• M16: 22,092,913 km (0.07 R)
• M17: 24,173,520 km (0.081 R)
• M18: 25,482,651 km (0.093 R)
• M19: 27,768,506 km (0.116 R)
• M20: 31,962,333 km (0.069 R)
• M21: 32,221,437 km (0.026 R)
• M22: 51,347,076 km (0.094 R)
• M23: 65,205,523 km (0.111 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 14,852 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit