🌌 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: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.9

Radius: 10

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.54 AU - 0.8 AU

Year: 385 Days

Day: 10.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,682,540 km

• M1: 124,615 km (0.083 R)
• M2: 457,470 km (0.111 R)
• M3: 993,928 km (0.114 R)
• M4: 1,398,890 km (0.06 R)
• M5: 1,853,817 km (0.115 R)
• M6: 2,405,683 km (0.084 R)
• M7: 2,721,036 km (0.062 R)
• M8: 3,032,798 km (0.031 R)
• M9: 3,482,040 km (0.057 R)
• M10: 4,000,397 km (0.05 R)
• M11: 4,738,064 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.3

Radius: 8.1

Gravity: 14.24 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.79 AU - 0.91 AU

Year: 551 Days

Day: 8.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,682,540 km

• M1: 100,679 km (0.118 R)
• M2: 401,820 km (0.07 R)
• M3: 687,851 km (0.113 R)
• M4: 972,536 km (0.047 R)
• M5: 1,559,707 km (0.068 R)
• M6: 2,395,361 km (0.107 R)
• M7: 2,762,025 km (0.117 R)
• M8: 3,434,767 km (0.05 R)
• M9: 3,732,766 km (0.112 R)
• M10: 4,048,118 km (0.049 R)
• M11: 5,545,743 km (0.109 R)
• M12: 6,695,253 km (0.1 R)
• M13: 7,605,107 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.1

Radius: 12.4

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.21 AU - 1.27 AU

Year: 971 Days

Day: 12.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,682,540 km

• M1: 154,385 km (0.076 R)
• M2: 623,674 km (0.071 R)
• M3: 1,401,582 km (0.067 R)
• M4: 2,110,527 km (0.111 R)
• M5: 2,633,222 km (0.07 R)
• M6: 3,255,998 km (0.083 R)
• M7: 3,781,984 km (0.118 R)
• M8: 4,595,497 km (0.1 R)
• M9: 5,339,447 km (0.07 R)
• M10: 7,540,331 km (0.114 R)
• M11: 8,383,764 km (0.064 R)
• M12: 8,913,640 km (0.088 R)
• M13: 9,614,805 km (0.104 R)
• M14: 10,415,602 km (0.078 R)
• M15: 10,930,219 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.8

Radius: 9.8

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.95 AU - 3.13 AU

Year: 2846 Days

Day: 10.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,682,540 km

• M1: 122,521 km (0.045 R)
• M2: 593,305 km (0.057 R)
• M3: 968,497 km (0.082 R)
• M4: 1,353,113 km (0.064 R)
• M5: 1,696,889 km (0.119 R)
• M6: 2,187,570 km (0.094 R)
• M7: 2,522,968 km (0.119 R)
• M8: 2,846,698 km (0.073 R)
• M9: 3,525,124 km (0.06 R)
• M10: 3,836,437 km (0.1 R)
• M11: 4,307,671 km (0.091 R)
• M12: 4,621,527 km (0.104 R)
• M13: 4,950,642 km (0.101 R)
• M14: 6,189,014 km (0.106 R)
• M15: 6,727,117 km (0.103 R)
• M16: 8,530,819 km (0.11 R)
• M17: 9,649,811 km (0.095 R)
• M18: 13,637,791 km (0.091 R)
• M19: 16,292,854 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.2

Radius: 11.9

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.43 AU - 4.79 AU

Year: 5857 Days

Day: 8.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,682,540 km

• M1: 151,991 km (0.025 R)
• M2: 1,015,620 km (0.09 R)
• M3: 2,232,000 km (0.098 R)
• M4: 2,838,320 km (0.065 R)
• M5: 3,618,025 km (0.037 R)
• M6: 4,477,614 km (0.051 R)
• M7: 5,601,991 km (0.034 R)
• M8: 7,684,992 km (0.073 R)
• M9: 8,551,613 km (0.114 R)
• M10: 12,256,105 km (0.064 R)
• M11: 13,601,738 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 778.4

Radius: 6.8

Gravity: 16.83 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.26 AU - 8.82 AU

Year: 14553 Days

Day: 23.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 68,682,540 km

• M1: 84,523 km (0.12 R)
• M2: 410,945 km (0.107 R)
• M3: 993,779 km (0.116 R)
• M4: 1,225,207 km (0.079 R)
• M5: 1,922,632 km (0.102 R)
• M6: 2,696,053 km (0.046 R)
• M7: 3,003,476 km (0.05 R)
• M8: 3,549,359 km (0.052 R)
• M9: 4,159,569 km (0.112 R)
• M10: 4,702,908 km (0.091 R)
• M11: 5,009,285 km (0.105 R)
• M12: 5,661,831 km (0.089 R)
• M13: 6,618,210 km (0.108 R)
• M14: 6,959,891 km (0.095 R)
• M15: 8,346,514 km (0.102 R)
• M16: 10,018,719 km (0.104 R)
• M17: 10,584,049 km (0.042 R)
• M18: 13,803,246 km (0.098 R)
• M19: 14,645,781 km (0.108 R)
• M20: 17,059,692 km (0.088 R)
• M21: 17,865,427 km (0.08 R)
• M22: 19,121,001 km (0.035 R)
• M23: 20,345,011 km (0.083 R)
• M24: 23,337,417 km (0.116 R)
• M25: 24,836,089 km (0.112 R)
• M26: 26,397,891 km (0.116 R)
• M27: 27,474,696 km (0.103 R)
• M28: 29,715,672 km (0.104 R)
• M29: 31,235,886 km (0.079 R)
• M30: 31,834,128 km (0.111 R)
• M31: 35,069,032 km (0.069 R)
• M32: 35,326,640 km (0.116 R)
• M33: 41,031,255 km (0.1 R)
• M34: 49,713,766 km (0.119 R)
• M35: 50,365,265 km (0.046 R)
• M36: 54,222,795 km (0.064 R)
• M37: 54,913,190 km (0.055 R)
• M38: 63,278,852 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.8

Radius: 7.6

Gravity: 14.11 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.65 AU - 9.23 AU

Year: 15727 Days

Day: 22.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,682,540 km

• M1: 94,546 km (0.106 R)
• M2: 349,909 km (0.091 R)
• M3: 635,043 km (0.119 R)
• M4: 1,179,130 km (0.072 R)
• M5: 1,568,085 km (0.038 R)
• M6: 2,157,650 km (0.092 R)
• M7: 2,559,320 km (0.097 R)
• M8: 3,402,454 km (0.086 R)
• M9: 3,711,523 km (0.046 R)
• M10: 4,418,672 km (0.076 R)
• M11: 4,684,657 km (0.117 R)
• M12: 5,248,940 km (0.106 R)
• M13: 5,857,804 km (0.086 R)
• M14: 6,097,908 km (0.116 R)
• M15: 6,470,407 km (0.041 R)
• M16: 6,770,650 km (0.07 R)
• M17: 9,300,200 km (0.095 R)
• M18: 10,190,457 km (0.116 R)
• M19: 14,324,744 km (0.091 R)
• M20: 15,207,820 km (0.116 R)
• M21: 16,204,890 km (0.052 R)
• M22: 19,368,586 km (0.092 R)
• M23: 19,813,340 km (0.097 R)
• M24: 21,471,034 km (0.119 R)
• M25: 27,663,339 km (0.114 R)
• M26: 29,612,599 km (0.087 R)
• M27: 34,427,407 km (0.065 R)
• M28: 34,687,408 km (0.081 R)
• M29: 36,544,965 km (0.096 R)
• M30: 40,025,359 km (0.083 R)
• M31: 43,114,406 km (0.112 R)
• M32: 60,776,828 km (0.103 R)
• M33: 66,645,403 km (0.115 R)
• M34: 68,476,929 km (0.057 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 19,244 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit