🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.9

Radius: 11

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.77 AU - 1.13 AU

Year: 628 Days

Day: 12.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,917,916 km

• M1: 136,732 km (0.093 R)
• M2: 489,484 km (0.027 R)
• M3: 1,160,281 km (0.117 R)
• M4: 1,636,750 km (0.078 R)
• M5: 2,118,605 km (0.09 R)
• M6: 2,797,630 km (0.069 R)
• M7: 3,730,821 km (0.067 R)
• M8: 4,455,773 km (0.055 R)
• M9: 5,321,346 km (0.095 R)
• M10: 5,725,260 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.3

Radius: 14.7

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.05 AU - 1.11 AU

Year: 761 Days

Day: 7.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,917,916 km

• M1: 182,809 km (0.117 R)
• M2: 846,275 km (0.12 R)
• M3: 1,322,146 km (0.115 R)
• M4: 1,878,949 km (0.099 R)
• M5: 2,465,223 km (0.064 R)
• M6: 3,196,458 km (0.076 R)
• M7: 3,761,638 km (0.117 R)
• M8: 4,705,003 km (0.095 R)
• M9: 5,541,853 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.9

Radius: 13.4

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.06 AU - 2.84 AU

Year: 2601 Days

Day: 12.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,917,916 km

• M1: 166,652 km (0.106 R)
• M2: 723,156 km (0.05 R)
• M3: 1,322,595 km (0.114 R)
• M4: 1,777,971 km (0.095 R)
• M5: 2,448,618 km (0.095 R)
• M6: 3,619,820 km (0.087 R)
• M7: 4,138,027 km (0.065 R)
• M8: 4,639,928 km (0.042 R)
• M9: 5,206,006 km (0.098 R)
• M10: 5,716,883 km (0.074 R)
• M11: 6,154,905 km (0.108 R)
• M12: 6,587,692 km (0.06 R)
• M13: 7,394,174 km (0.059 R)
• M14: 8,428,194 km (0.095 R)
• M15: 8,861,131 km (0.09 R)
• M16: 10,101,447 km (0.106 R)
• M17: 10,783,015 km (0.072 R)
• M18: 12,407,348 km (0.095 R)
• M19: 12,925,106 km (0.083 R)
• M20: 13,412,347 km (0.115 R)
• M21: 15,288,603 km (0.075 R)
• M22: 15,783,772 km (0.072 R)
• M23: 16,963,501 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.9

Radius: 12.3

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.27 AU - 5.45 AU

Year: 8417 Days

Day: 7.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,917,916 km

• M1: 153,039 km (0.09 R)
• M2: 624,272 km (0.107 R)
• M3: 1,241,962 km (0.11 R)
• M4: 1,998,628 km (0.106 R)
• M5: 2,430,517 km (0.094 R)
• M6: 2,905,340 km (0.064 R)
• M7: 4,019,844 km (0.098 R)
• M8: 4,688,696 km (0.11 R)
• M9: 6,517,231 km (0.081 R)
• M10: 7,004,771 km (0.103 R)
• M11: 7,591,793 km (0.117 R)
• M12: 8,092,646 km (0.057 R)
• M13: 9,729,247 km (0.062 R)
• M14: 14,447,564 km (0.064 R)
• M15: 14,859,407 km (0.118 R)
• M16: 15,339,466 km (0.09 R)
• M17: 17,830,421 km (0.065 R)
• M18: 22,484,261 km (0.084 R)
• M19: 23,117,658 km (0.117 R)
• M20: 24,420,356 km (0.072 R)
• M21: 25,857,394 km (0.09 R)
• M22: 29,460,159 km (0.075 R)
• M23: 30,123,326 km (0.079 R)
• M24: 32,372,680 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329

Radius: 6.8

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.99 AU - 6.75 AU

Year: 10904 Days

Day: 22.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,917,916 km

• M1: 84,523 km (0.077 R)
• M2: 339,886 km (0.071 R)
• M3: 633,098 km (0.098 R)
• M4: 1,589,926 km (0.118 R)
• M5: 2,046,200 km (0.106 R)
• M6: 3,773,606 km (0.093 R)
• M7: 4,257,406 km (0.069 R)
• M8: 5,442,071 km (0.111 R)
• M9: 6,059,611 km (0.099 R)
• M10: 6,831,985 km (0.108 R)
• M11: 12,839,686 km (0.105 R)
• M12: 13,120,930 km (0.105 R)
• M13: 14,287,793 km (0.086 R)
• M14: 16,165,247 km (0.043 R)
• M15: 21,884,822 km (0.113 R)
• M16: 28,821,526 km (0.043 R)
• M17: 35,194,096 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.2

Radius: 6.2

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 5.68 AU - 7.78 AU

Year: 11842 Days

Day: 15.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,917,916 km

• M1: 85,869 km (0.111 R)
• M2: 319,242 km (0.06 R)
• M3: 641,326 km (0.115 R)
• M4: 879,486 km (0.112 R)
• M5: 1,573,022 km (0.093 R)
• M6: 2,014,335 km (0.084 R)
• M7: 2,221,229 km (0.086 R)
• M8: 2,566,202 km (0.062 R)
• M9: 4,520,548 km (0.105 R)
• M10: 5,647,469 km (0.117 R)
• M11: 6,290,740 km (0.08 R)
• M12: 9,471,789 km (0.086 R)
• M13: 9,780,709 km (0.086 R)
• M14: 11,126,192 km (0.074 R)
• M15: 13,058,697 km (0.107 R)
• M16: 13,684,465 km (0.071 R)
• M17: 15,362,355 km (0.058 R)
• M18: 19,182,187 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 169.9

Radius: 7

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.5 AU - 9.04 AU

Year: 14690 Days

Day: 22 Hours

Environment

Temp: -229 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,917,916 km

• M1: 124,765 km (0.09 R)
• M2: 571,913 km (0.089 R)
• M3: 1,073,814 km (0.034 R)
• M4: 3,089,046 km (0.056 R)
• M5: 3,508,818 km (0.028 R)
• M6: 5,770,439 km (0.078 R)
• M7: 6,269,647 km (0.106 R)
• M8: 7,507,719 km (0.119 R)
• M9: 7,901,012 km (0.103 R)
• M10: 10,410,217 km (0.091 R)
• M11: 12,622,769 km (0.097 R)
• M12: 14,400,141 km (0.12 R)
• M13: 15,442,539 km (0.077 R)
• M14: 18,232,240 km (0.118 R)
• M15: 19,968,473 km (0.083 R)
• M16: 23,515,738 km (0.085 R)
• M17: 31,019,567 km (0.109 R)
• M18: 34,549,628 km (0.028 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 15,244 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit