🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.6

Radius: 10.1

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.16 AU - 1.48 AU

Year: 964 Days

Day: 9.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 17,083,940 km

• M1: 125,662 km (0.101 R)
• M2: 601,234 km (0.113 R)
• M3: 965,804 km (0.093 R)
• M4: 1,504,356 km (0.086 R)
• M5: 2,049,940 km (0.094 R)
• M6: 2,364,245 km (0.054 R)
• M7: 3,026,066 km (0.119 R)
• M8: 3,552,201 km (0.04 R)
• M9: 4,455,025 km (0.095 R)
• M10: 5,289,781 km (0.076 R)
• M11: 5,663,626 km (0.101 R)
• M12: 5,992,143 km (0.11 R)
• M13: 6,376,908 km (0.111 R)
• M14: 6,732,802 km (0.105 R)
• M15: 8,161,461 km (0.086 R)
• M16: 8,715,722 km (0.1 R)
• M17: 9,238,716 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.6

Radius: 9.3

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.63 AU - 2.57 AU

Year: 1935 Days

Day: 6.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 17,083,940 km

• M1: 115,639 km (0.044 R)
• M2: 473,477 km (0.079 R)
• M3: 763,697 km (0.097 R)
• M4: 1,422,676 km (0.065 R)
• M5: 1,875,658 km (0.099 R)
• M6: 2,719,689 km (0.112 R)
• M7: 3,474,111 km (0.075 R)
• M8: 4,717,868 km (0.093 R)
• M9: 5,115,798 km (0.106 R)
• M10: 5,584,339 km (0.079 R)
• M11: 6,055,722 km (0.099 R)
• M12: 6,853,826 km (0.074 R)
• M13: 7,249,513 km (0.117 R)
• M14: 8,055,845 km (0.083 R)
• M15: 9,530,880 km (0.071 R)
• M16: 10,759,079 km (0.104 R)
• M17: 12,089,602 km (0.029 R)
• M18: 12,921,815 km (0.083 R)
• M19: 14,060,105 km (0.085 R)
• M20: 17,093,801 km (0.116 R)
• M21: 17,455,828 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.2

Radius: 11.7

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.99 AU - 3.11 AU

Year: 3387 Days

Day: 13.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 17,083,940 km

• M1: 145,559 km (0.085 R)
• M2: 590,912 km (0.042 R)
• M3: 967,300 km (0.107 R)
• M4: 2,190,412 km (0.073 R)
• M5: 2,887,538 km (0.05 R)
• M6: 3,419,059 km (0.062 R)
• M7: 4,154,632 km (0.041 R)
• M8: 5,107,870 km (0.09 R)
• M9: 6,470,706 km (0.052 R)
• M10: 6,889,132 km (0.055 R)
• M11: 7,505,475 km (0.103 R)
• M12: 9,505,897 km (0.115 R)
• M13: 11,114,823 km (0.069 R)
• M14: 12,595,692 km (0.062 R)
• M15: 13,294,464 km (0.09 R)
• M16: 14,913,262 km (0.109 R)
• M17: 16,659,668 km (0.118 R)
• M18: 17,987,947 km (0.115 R)
• M19: 18,761,967 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.4

Radius: 11.2

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.16 AU - 3.96 AU

Year: 4271 Days

Day: 8.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 17,083,940 km

• M1: 148,102 km (0.065 R)
• M2: 562,488 km (0.107 R)
• M3: 1,603,390 km (0.118 R)
• M4: 1,983,069 km (0.093 R)
• M5: 2,556,029 km (0.112 R)
• M6: 3,003,626 km (0.119 R)
• M7: 3,524,376 km (0.09 R)
• M8: 4,081,329 km (0.057 R)
• M9: 4,985,947 km (0.083 R)
• M10: 5,543,648 km (0.075 R)
• M11: 7,399,111 km (0.107 R)
• M12: 8,013,808 km (0.097 R)
• M13: 8,819,842 km (0.076 R)
• M14: 11,141,002 km (0.105 R)
• M15: 12,293,205 km (0.115 R)
• M16: 13,576,007 km (0.115 R)
• M17: 14,332,374 km (0.085 R)
• M18: 15,811,298 km (0.107 R)
• M19: 17,578,049 km (0.075 R)
• M20: 18,023,551 km (0.065 R)
• M21: 18,607,432 km (0.076 R)
• M22: 20,365,207 km (0.078 R)
• M23: 22,083,638 km (0.105 R)
• M24: 23,896,764 km (0.073 R)
• M25: 25,970,789 km (0.03 R)
• M26: 26,715,786 km (0.12 R)
• M27: 28,162,098 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.6

Radius: 12.1

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.57 AU - 3.97 AU

Year: 4654 Days

Day: 8 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 17,083,940 km

• M1: 152,590 km (0.058 R)
• M2: 648,357 km (0.107 R)
• M3: 1,672,654 km (0.075 R)
• M4: 2,398,203 km (0.114 R)
• M5: 2,947,676 km (0.101 R)
• M6: 3,377,770 km (0.094 R)
• M7: 3,989,775 km (0.095 R)
• M8: 4,409,098 km (0.109 R)
• M9: 5,336,904 km (0.12 R)
• M10: 6,307,046 km (0.118 R)
• M11: 11,308,552 km (0.084 R)
• M12: 12,196,714 km (0.115 R)
• M13: 14,401,488 km (0.12 R)
• M14: 14,793,285 km (0.095 R)
• M15: 17,076,896 km (0.081 R)
• M16: 17,850,317 km (0.095 R)
• M17: 18,474,290 km (0.103 R)
• M18: 20,866,659 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.5

Radius: 12.1

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.58 AU - 4.64 AU

Year: 5298 Days

Day: 13.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 17,083,940 km

• M1: 151,692 km (0.11 R)
• M2: 1,478,177 km (0.116 R)
• M3: 2,657,307 km (0.095 R)
• M4: 4,012,963 km (0.082 R)
• M5: 10,151,263 km (0.066 R)
• M6: 11,611,637 km (0.119 R)
• M7: 12,743,495 km (0.107 R)
• M8: 13,815,064 km (0.096 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 19,268 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit