🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.6

Radius: 9

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.5 AU - 0.66 AU

Year: 305 Days

Day: 6.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,341,014 km

• M1: 112,049 km (0.115 R)
• M2: 410,646 km (0.104 R)
• M3: 885,470 km (0.089 R)
• M4: 1,317,508 km (0.093 R)
• M5: 1,814,323 km (0.12 R)
• M6: 2,107,086 km (0.066 R)
• M7: 2,475,546 km (0.11 R)
• M8: 2,976,399 km (0.115 R)
• M9: 4,669,847 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.9

Radius: 13.8

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.67 AU - 2.71 AU

Year: 2237 Days

Day: 8.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,341,014 km

• M1: 171,589 km (0.092 R)
• M2: 623,225 km (0.081 R)
• M3: 1,489,546 km (0.105 R)
• M4: 2,026,154 km (0.047 R)
• M5: 2,691,415 km (0.112 R)
• M6: 3,447,633 km (0.077 R)
• M7: 4,609,260 km (0.103 R)
• M8: 5,087,524 km (0.08 R)
• M9: 6,247,506 km (0.082 R)
• M10: 8,246,134 km (0.079 R)
• M11: 8,724,697 km (0.052 R)
• M12: 10,128,524 km (0.094 R)
• M13: 10,828,043 km (0.058 R)
• M14: 12,823,829 km (0.108 R)
• M15: 13,555,362 km (0.066 R)
• M16: 16,661,762 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.7

Radius: 9.4

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.62 AU - 2.72 AU

Year: 3011 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,341,014 km

• M1: 116,836 km (0.079 R)
• M2: 536,308 km (0.096 R)
• M3: 882,777 km (0.118 R)
• M4: 1,371,214 km (0.119 R)
• M5: 2,020,170 km (0.042 R)
• M6: 2,329,388 km (0.042 R)
• M7: 2,960,392 km (0.081 R)
• M8: 3,681,753 km (0.08 R)
• M9: 5,146,616 km (0.108 R)
• M10: 5,521,807 km (0.112 R)
• M11: 6,526,207 km (0.107 R)
• M12: 6,847,095 km (0.043 R)
• M13: 7,426,188 km (0.075 R)
• M14: 9,251,731 km (0.115 R)
• M15: 9,545,541 km (0.097 R)
• M16: 11,274,892 km (0.082 R)
• M17: 12,612,596 km (0.118 R)
• M18: 13,203,957 km (0.106 R)
• M19: 14,246,654 km (0.115 R)
• M20: 15,089,189 km (0.091 R)
• M21: 16,548,965 km (0.089 R)
• M22: 17,368,612 km (0.07 R)
• M23: 17,816,658 km (0.109 R)
• M24: 18,157,741 km (0.105 R)
• M25: 19,207,319 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.4

Radius: 9.3

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.18 AU - 3.36 AU

Year: 3182 Days

Day: 7.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,341,014 km

• M1: 115,938 km (0.115 R)
• M2: 440,117 km (0.042 R)
• M3: 1,248,693 km (0.118 R)
• M4: 2,100,653 km (0.1 R)
• M5: 4,284,932 km (0.085 R)
• M6: 5,151,103 km (0.091 R)
• M7: 7,402,402 km (0.068 R)
• M8: 8,515,260 km (0.046 R)
• M9: 13,380,632 km (0.092 R)
• M10: 16,699,012 km (0.066 R)
• M11: 17,370,557 km (0.081 R)
• M12: 17,686,507 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267

Radius: 13.1

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.18 AU - 6.26 AU

Year: 8232 Days

Day: 5.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,341,014 km

• M1: 165,306 km (0.068 R)
• M2: 758,461 km (0.095 R)
• M3: 1,763,310 km (0.09 R)
• M4: 2,612,278 km (0.109 R)
• M5: 3,160,105 km (0.101 R)
• M6: 4,317,245 km (0.105 R)
• M7: 4,900,228 km (0.117 R)
• M8: 12,063,871 km (0.048 R)
• M9: 14,238,426 km (0.076 R)
• M10: 14,680,488 km (0.096 R)
• M11: 16,846,067 km (0.092 R)
• M12: 18,818,066 km (0.119 R)
• M13: 22,168,609 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 868.5

Radius: 5.1

Gravity: 33.39 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 8.56 AU - 9.3 AU

Year: 18420 Days

Day: 22.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,341,014 km

• M1: 81,082 km (0.049 R)
• M2: 359,184 km (0.049 R)
• M3: 581,038 km (0.076 R)
• M4: 962,513 km (0.052 R)
• M5: 1,630,916 km (0.041 R)
• M6: 2,251,747 km (0.082 R)
• M7: 2,913,867 km (0.081 R)
• M8: 3,431,775 km (0.101 R)
• M9: 5,048,629 km (0.079 R)
• M10: 6,608,636 km (0.075 R)
• M11: 8,894,940 km (0.104 R)
• M12: 11,857,875 km (0.111 R)
• M13: 12,397,026 km (0.11 R)
• M14: 13,596,651 km (0.034 R)
• M15: 13,889,714 km (0.116 R)
• M16: 16,554,052 km (0.092 R)
• M17: 17,656,887 km (0.093 R)
• M18: 18,537,869 km (0.11 R)
• M19: 19,633,225 km (0.102 R)
• M20: 22,559,359 km (0.102 R)
• M21: 23,701,239 km (0.066 R)
• M22: 29,501,747 km (0.099 R)
• M23: 34,935,890 km (0.036 R)
• M24: 41,153,177 km (0.065 R)
• M25: 49,607,701 km (0.107 R)
• M26: 51,179,526 km (0.111 R)
• M27: 51,888,620 km (0.099 R)
• M28: 53,690,077 km (0.054 R)
• M29: 57,226,870 km (0.108 R)
• M30: 64,142,630 km (0.072 R)
• M31: 66,006,919 km (0.051 R)
• M32: 66,636,277 km (0.064 R)
• M33: 67,694,084 km (0.042 R)
• M34: 70,278,387 km (0.1 R)
• M35: 76,562,844 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.7

Radius: 3.1

Gravity: 20.36 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.83 AU - 11.37 AU

Year: 18948 Days

Day: 20.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,341,014 km

• M1: 78,688 km (0.073 R)
• M2: 229,034 km (0.065 R)
• M3: 329,714 km (0.098 R)
• M4: 689,796 km (0.12 R)
• M5: 989,291 km (0.044 R)
• M6: 1,463,666 km (0.107 R)
• M7: 4,381,722 km (0.08 R)
• M8: 4,709,491 km (0.109 R)
• M9: 5,085,580 km (0.093 R)
• M10: 5,347,077 km (0.114 R)
• M11: 6,149,071 km (0.09 R)
• M12: 6,259,325 km (0.099 R)
• M13: 11,056,330 km (0.117 R)
• M14: 11,606,102 km (0.083 R)
• M15: 15,226,370 km (0.071 R)
• M16: 23,404,288 km (0.111 R)
• M17: 25,803,688 km (0.066 R)
• M18: 26,379,789 km (0.027 R)
• M19: 28,667,590 km (0.091 R)
• M20: 28,975,462 km (0.095 R)
• M21: 30,017,561 km (0.084 R)
• M22: 33,406,252 km (0.075 R)
• M23: 37,284,277 km (0.087 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 171 - 16,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit