🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22

Radius: 8.7

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.48 AU - 1.72 AU

Year: 1423 Days

Day: 6.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 58,239,739 km

• M1: 113,096 km (0.077 R)
• M2: 494,122 km (0.093 R)
• M3: 901,327 km (0.111 R)
• M4: 1,800,560 km (0.12 R)
• M5: 3,697,162 km (0.034 R)

Planet 2 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.1

Radius: 3.3

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.49 AU - 6.91 AU

Year: 9566 Days

Day: 17.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,239,739 km

• M1: 41,139 km (0.095 R)
• M2: 246,687 km (0.075 R)
• M3: 406,009 km (0.113 R)
• M4: 708,196 km (0.058 R)
• M5: 1,027,139 km (0.071 R)
• M6: 1,401,882 km (0.096 R)
• M7: 1,874,312 km (0.12 R)
• M8: 2,062,506 km (0.089 R)
• M9: 2,925,835 km (0.109 R)
• M10: 3,142,154 km (0.1 R)
• M11: 3,792,007 km (0.099 R)
• M12: 3,897,773 km (0.093 R)
• M13: 4,071,156 km (0.103 R)
• M14: 4,204,448 km (0.082 R)
• M15: 4,433,183 km (0.093 R)
• M16: 5,566,238 km (0.114 R)
• M17: 5,954,743 km (0.112 R)
• M18: 11,848,151 km (0.051 R)
• M19: 17,876,497 km (0.025 R)
• M20: 23,119,453 km (0.079 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696.5

Radius: 3.4

Gravity: 60.25 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.77 AU - 5.85 AU

Year: 9844 Days

Day: 20.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,239,739 km

• M1: 42,635 km (0.098 R)
• M2: 206,295 km (0.11 R)
• M3: 329,564 km (0.104 R)
• M4: 522,545 km (0.103 R)
• M5: 949,348 km (0.034 R)
• M6: 1,110,914 km (0.094 R)
• M7: 1,754,783 km (0.09 R)
• M8: 1,982,172 km (0.12 R)
• M9: 2,103,047 km (0.111 R)
• M10: 4,958,421 km (0.07 R)
• M11: 5,999,174 km (0.08 R)
• M12: 6,742,974 km (0.111 R)
• M13: 7,298,880 km (0.032 R)
• M14: 9,631,859 km (0.095 R)
• M15: 10,700,287 km (0.116 R)
• M16: 11,127,239 km (0.119 R)
• M17: 11,510,060 km (0.085 R)
• M18: 13,372,554 km (0.117 R)
• M19: 14,119,945 km (0.088 R)
• M20: 16,178,561 km (0.118 R)
• M21: 16,598,931 km (0.073 R)
• M22: 18,887,180 km (0.058 R)
• M23: 19,274,938 km (0.11 R)
• M24: 26,898,595 km (0.098 R)
• M25: 38,995,378 km (0.107 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.5

Radius: 6

Gravity: 19.76 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.42 AU - 7.98 AU

Year: 13580 Days

Day: 16.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,239,739 km

• M1: 76,445 km (0.105 R)
• M2: 300,393 km (0.091 R)
• M3: 682,166 km (0.095 R)
• M4: 970,591 km (0.086 R)
• M5: 1,616,555 km (0.118 R)
• M6: 1,880,296 km (0.098 R)
• M7: 2,211,206 km (0.084 R)
• M8: 3,388,841 km (0.069 R)
• M9: 3,711,074 km (0.118 R)
• M10: 4,638,731 km (0.11 R)
• M11: 4,834,704 km (0.068 R)
• M12: 9,026,736 km (0.113 R)
• M13: 10,855,121 km (0.049 R)
• M14: 11,143,246 km (0.055 R)
• M15: 13,045,682 km (0.083 R)
• M16: 16,705,744 km (0.081 R)
• M17: 17,167,702 km (0.087 R)
• M18: 17,559,050 km (0.108 R)
• M19: 18,522,760 km (0.068 R)
• M20: 20,555,196 km (0.096 R)
• M21: 21,444,256 km (0.118 R)
• M22: 24,560,081 km (0.106 R)
• M23: 25,866,070 km (0.067 R)
• M24: 26,277,016 km (0.116 R)
• M25: 27,217,837 km (0.078 R)
• M26: 33,702,904 km (0.083 R)
• M27: 33,947,497 km (0.12 R)
• M28: 37,105,358 km (0.068 R)
• M29: 46,070,160 km (0.073 R)
• M30: 46,522,694 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.1

Radius: 4.6

Gravity: 21.08 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.83 AU - 9.63 AU

Year: 16596 Days

Day: 24.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 58,239,739 km

• M1: 58,942 km (0.11 R)
• M2: 261,497 km (0.1 R)
• M3: 595,998 km (0.081 R)
• M4: 822,040 km (0.077 R)
• M5: 2,323,853 km (0.085 R)
• M6: 2,616,467 km (0.098 R)
• M7: 3,561,925 km (0.092 R)
• M8: 3,752,962 km (0.064 R)
• M9: 4,337,141 km (0.071 R)
• M10: 4,650,998 km (0.112 R)
• M11: 5,501,761 km (0.081 R)
• M12: 6,175,400 km (0.077 R)
• M13: 6,694,954 km (0.096 R)
• M14: 7,505,924 km (0.116 R)
• M15: 8,144,108 km (0.096 R)
• M16: 8,916,781 km (0.075 R)
• M17: 10,003,759 km (0.08 R)
• M18: 10,946,076 km (0.101 R)
• M19: 13,263,497 km (0.114 R)
• M20: 17,792,423 km (0.084 R)
• M21: 18,432,552 km (0.105 R)
• M22: 20,969,433 km (0.071 R)
• M23: 21,235,268 km (0.05 R)
• M24: 22,046,238 km (0.098 R)
• M25: 24,212,266 km (0.118 R)
• M26: 34,419,179 km (0.102 R)
• M27: 35,662,636 km (0.085 R)
• M28: 40,250,055 km (0.085 R)
• M29: 47,311,075 km (0.095 R)
• M30: 49,626,999 km (0.094 R)
• M31: 51,212,288 km (0.094 R)
• M32: 52,504,664 km (0.096 R)
• M33: 54,483,545 km (0.045 R)
• M34: 55,830,075 km (0.099 R)
• M35: 56,682,932 km (0.072 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 16,252 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit