🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.9

Radius: 10.2

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.46 AU - 0.64 AU

Year: 277 Days

Day: 11.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 76,003,722 km

• M1: 126,859 km (0.045 R)
• M2: 501,302 km (0.081 R)
• M3: 867,817 km (0.061 R)
• M4: 1,331,122 km (0.078 R)
• M5: 1,744,461 km (0.108 R)
• M6: 2,152,564 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.1

Radius: 9.3

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.59 AU - 0.81 AU

Year: 397 Days

Day: 6.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,003,722 km

• M1: 115,639 km (0.12 R)
• M2: 429,495 km (0.097 R)
• M3: 776,413 km (0.092 R)
• M4: 1,096,104 km (0.085 R)
• M5: 1,597,256 km (0.086 R)
• M6: 1,928,616 km (0.069 R)
• M7: 2,559,620 km (0.077 R)
• M8: 2,913,419 km (0.065 R)
• M9: 3,378,818 km (0.072 R)
• M10: 3,830,753 km (0.115 R)
• M11: 4,136,680 km (0.041 R)
• M12: 4,514,265 km (0.066 R)
• M13: 5,063,439 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.9

Radius: 10.2

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.08 AU - 2.42 AU

Year: 2289 Days

Day: 9.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,003,722 km

• M1: 128,205 km (0.065 R)
• M2: 908,358 km (0.092 R)
• M3: 1,631,365 km (0.114 R)
• M4: 2,335,223 km (0.067 R)
• M5: 3,214,409 km (0.112 R)
• M6: 3,932,030 km (0.096 R)
• M7: 5,823,696 km (0.062 R)
• M8: 6,378,404 km (0.071 R)
• M9: 9,403,124 km (0.088 R)
• M10: 9,863,586 km (0.096 R)
• M11: 10,794,085 km (0.067 R)
• M12: 12,240,098 km (0.096 R)
• M13: 13,478,469 km (0.086 R)
• M14: 14,493,191 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.3

Radius: 8

Gravity: 15.15 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.83 AU - 2.75 AU

Year: 2350 Days

Day: 12.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,003,722 km

• M1: 101,427 km (0.116 R)
• M2: 845,826 km (0.118 R)
• M3: 1,175,091 km (0.12 R)
• M4: 1,454,390 km (0.102 R)
• M5: 2,326,995 km (0.102 R)
• M6: 3,222,637 km (0.119 R)
• M7: 3,916,472 km (0.114 R)
• M8: 5,346,478 km (0.026 R)
• M9: 5,910,013 km (0.114 R)
• M10: 7,065,208 km (0.099 R)
• M11: 7,554,692 km (0.08 R)
• M12: 8,397,826 km (0.118 R)
• M13: 11,846,057 km (0.08 R)
• M14: 13,576,456 km (0.084 R)
• M15: 14,575,021 km (0.051 R)
• M16: 15,878,019 km (0.113 R)
• M17: 19,178,447 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.3

Radius: 11.3

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.24 AU - 3.52 AU

Year: 3315 Days

Day: 10 Hours

Environment

Temp: -205 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,003,722 km

• M1: 141,071 km (0.114 R)
• M2: 571,913 km (0.054 R)
• M3: 1,005,447 km (0.103 R)
• M4: 1,786,647 km (0.073 R)
• M5: 3,075,583 km (0.052 R)
• M6: 3,504,480 km (0.109 R)
• M7: 4,883,922 km (0.118 R)
• M8: 6,028,196 km (0.088 R)
• M9: 6,385,884 km (0.078 R)
• M10: 11,128,885 km (0.083 R)
• M11: 12,430,386 km (0.061 R)
• M12: 14,913,561 km (0.091 R)
• M13: 16,247,226 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.2

Radius: 10.3

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.87 AU - 4.41 AU

Year: 4710 Days

Day: 8 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,003,722 km

• M1: 134,488 km (0.077 R)
• M2: 526,285 km (0.086 R)
• M3: 858,991 km (0.043 R)
• M4: 1,422,975 km (0.084 R)
• M5: 2,402,991 km (0.11 R)
• M6: 2,956,802 km (0.088 R)
• M7: 3,740,396 km (0.104 R)
• M8: 4,781,298 km (0.101 R)
• M9: 5,115,350 km (0.1 R)
• M10: 5,830,727 km (0.097 R)
• M11: 6,152,960 km (0.098 R)
• M12: 6,833,182 km (0.08 R)
• M13: 7,562,920 km (0.104 R)
• M14: 8,270,518 km (0.031 R)
• M15: 9,099,141 km (0.112 R)
• M16: 9,614,356 km (0.034 R)
• M17: 11,322,315 km (0.088 R)
• M18: 15,496,095 km (0.054 R)
• M19: 16,520,242 km (0.089 R)
• M20: 17,049,071 km (0.059 R)
• M21: 18,766,454 km (0.094 R)
• M22: 20,261,236 km (0.034 R)
• M23: 21,209,089 km (0.116 R)
• M24: 25,452,731 km (0.112 R)
• M25: 26,555,866 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.6

Radius: 8.1

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.31 AU - 4.83 AU

Year: 5569 Days

Day: 11.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,003,722 km

• M1: 100,829 km (0.06 R)
• M2: 420,819 km (0.097 R)
• M3: 1,525,001 km (0.084 R)
• M4: 2,513,095 km (0.072 R)
• M5: 2,851,635 km (0.099 R)
• M6: 3,201,245 km (0.048 R)
• M7: 4,643,668 km (0.058 R)
• M8: 5,647,918 km (0.078 R)
• M9: 8,407,400 km (0.097 R)
• M10: 9,524,747 km (0.069 R)
• M11: 10,056,567 km (0.087 R)
• M12: 10,825,351 km (0.09 R)
• M13: 11,495,400 km (0.074 R)
• M14: 12,192,825 km (0.06 R)
• M15: 13,367,019 km (0.104 R)
• M16: 19,334,777 km (0.097 R)
• M17: 26,867,927 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.8

Radius: 10.9

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.53 AU - 4.57 AU

Year: 6583 Days

Day: 12.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,003,722 km

• M1: 135,536 km (0.104 R)
• M2: 498,610 km (0.085 R)
• M3: 1,125,574 km (0.074 R)
• M4: 2,666,133 km (0.105 R)
• M5: 3,122,856 km (0.099 R)
• M6: 3,467,978 km (0.091 R)
• M7: 4,465,796 km (0.076 R)
• M8: 6,457,242 km (0.078 R)
• M9: 7,138,062 km (0.072 R)
• M10: 7,960,551 km (0.116 R)
• M11: 9,939,731 km (0.098 R)
• M12: 11,645,895 km (0.092 R)
• M13: 12,101,271 km (0.042 R)
• M14: 13,136,189 km (0.068 R)
• M15: 13,494,027 km (0.088 R)
• M16: 14,559,014 km (0.115 R)
• M17: 15,381,653 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599

Radius: 4.8

Gravity: 26 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 8.07 AU - 11.87 AU

Year: 21352 Days

Day: 20.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,003,722 km

• M1: 59,690 km (0.118 R)
• M2: 814,411 km (0.095 R)
• M3: 1,457,083 km (0.114 R)
• M4: 1,709,006 km (0.088 R)
• M5: 2,548,250 km (0.028 R)
• M6: 7,597,328 km (0.095 R)
• M7: 8,994,422 km (0.092 R)
• M8: 10,493,543 km (0.082 R)
• M9: 11,688,979 km (0.074 R)
• M10: 14,572,777 km (0.074 R)
• M11: 22,494,134 km (0.073 R)
• M12: 26,332,367 km (0.114 R)
• M13: 26,670,608 km (0.036 R)
• M14: 29,120,273 km (0.101 R)
• M15: 33,004,133 km (0.112 R)
• M16: 42,086,219 km (0.109 R)
• M17: 49,211,716 km (0.117 R)
• M18: 56,164,426 km (0.108 R)
• M19: 74,420,004 km (0.114 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 17,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit