🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.9

Radius: 14

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.57 AU - 0.81 AU

Year: 376 Days

Day: 11 Hours

Environment

Temp: -128 °C

Axial Tilt: 174 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,994,180 km

• M1: 174,282 km (0.104 R)
• M2: 629,807 km (0.108 R)
• M3: 1,145,471 km (0.097 R)
• M4: 2,022,713 km (0.116 R)
• M5: 3,133,327 km (0.026 R)
• M6: 3,596,183 km (0.028 R)
• M7: 4,335,496 km (0.1 R)
• M8: 5,641,186 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.4

Radius: 10.3

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.87 AU - 1.11 AU

Year: 646 Days

Day: 13.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,994,180 km

• M1: 132,693 km (0.12 R)
• M2: 496,964 km (0.095 R)
• M3: 890,855 km (0.112 R)
• M4: 1,541,756 km (0.1 R)
• M5: 2,167,823 km (0.102 R)
• M6: 2,562,163 km (0.114 R)
• M7: 3,777,945 km (0.104 R)
• M8: 4,417,176 km (0.105 R)
• M9: 5,252,381 km (0.095 R)
• M10: 6,331,879 km (0.1 R)
• M11: 6,815,978 km (0.117 R)
• M12: 7,977,606 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.1

Radius: 13.4

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.87 AU - 1.35 AU

Year: 767 Days

Day: 12.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,994,180 km

• M1: 167,101 km (0.089 R)
• M2: 584,928 km (0.096 R)
• M3: 1,145,920 km (0.094 R)
• M4: 1,642,285 km (0.052 R)
• M5: 2,398,054 km (0.068 R)
• M6: 3,137,815 km (0.099 R)
• M7: 3,569,405 km (0.108 R)
• M8: 4,025,529 km (0.069 R)
• M9: 5,020,505 km (0.101 R)
• M10: 5,462,117 km (0.072 R)
• M11: 6,901,249 km (0.081 R)
• M12: 7,757,547 km (0.091 R)
• M13: 9,133,100 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360

Radius: 13

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1 AU - 1.3 AU

Year: 809 Days

Day: 5.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,994,180 km

• M1: 161,715 km (0.036 R)
• M2: 581,337 km (0.114 R)
• M3: 1,040,603 km (0.091 R)
• M4: 1,534,725 km (0.119 R)
• M5: 2,104,393 km (0.058 R)
• M6: 3,169,979 km (0.094 R)
• M7: 4,265,185 km (0.103 R)
• M8: 5,015,269 km (0.087 R)
• M9: 5,634,155 km (0.104 R)
• M10: 6,439,740 km (0.043 R)
• M11: 7,088,097 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.5

Radius: 13.7

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.75 AU - 4.25 AU

Year: 5248 Days

Day: 8.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,994,180 km

• M1: 171,140 km (0.054 R)
• M2: 672,293 km (0.113 R)
• M3: 1,189,303 km (0.12 R)
• M4: 1,667,717 km (0.052 R)
• M5: 2,661,197 km (0.081 R)
• M6: 3,169,231 km (0.104 R)
• M7: 3,653,030 km (0.091 R)
• M8: 4,161,962 km (0.086 R)
• M9: 5,069,872 km (0.106 R)
• M10: 5,826,837 km (0.1 R)
• M11: 7,494,255 km (0.042 R)
• M12: 9,083,583 km (0.113 R)
• M13: 10,427,121 km (0.056 R)
• M14: 11,313,937 km (0.08 R)
• M15: 12,300,984 km (0.093 R)
• M16: 13,131,252 km (0.043 R)
• M17: 13,614,603 km (0.086 R)
• M18: 14,109,772 km (0.095 R)
• M19: 15,430,123 km (0.082 R)
• M20: 19,055,777 km (0.058 R)
• M21: 21,991,186 km (0.106 R)
• M22: 27,504,616 km (0.096 R)
• M23: 29,560,539 km (0.095 R)
• M24: 31,716,993 km (0.059 R)
• M25: 32,784,673 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.6

Radius: 14.5

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.38 AU - 4.72 AU

Year: 6367 Days

Day: 13.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,994,180 km

• M1: 180,415 km (0.088 R)
• M2: 1,025,942 km (0.092 R)
• M3: 1,783,207 km (0.114 R)
• M4: 2,666,881 km (0.066 R)
• M5: 3,157,562 km (0.078 R)
• M6: 4,221,652 km (0.086 R)
• M7: 4,781,746 km (0.093 R)
• M8: 5,858,103 km (0.076 R)
• M9: 6,488,359 km (0.059 R)
• M10: 7,349,145 km (0.116 R)
• M11: 8,123,464 km (0.118 R)
• M12: 9,519,810 km (0.111 R)
• M13: 10,346,039 km (0.103 R)
• M14: 11,829,152 km (0.075 R)
• M15: 12,568,016 km (0.085 R)
• M16: 19,487,217 km (0.107 R)
• M17: 20,593,643 km (0.069 R)
• M18: 21,047,822 km (0.084 R)
• M19: 25,703,009 km (0.099 R)
• M20: 26,495,877 km (0.095 R)
• M21: 29,257,304 km (0.089 R)
• M22: 34,277,659 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.3

Radius: 3.8

Gravity: 40.33 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 8.2 AU - 9.4 AU

Year: 17125 Days

Day: 17.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,994,180 km

• M1: 47,273 km (0.095 R)
• M2: 266,434 km (0.074 R)
• M3: 471,981 km (0.105 R)
• M4: 590,612 km (0.056 R)
• M5: 979,118 km (0.108 R)
• M6: 1,136,944 km (0.091 R)
• M7: 1,325,587 km (0.119 R)
• M8: 1,550,732 km (0.102 R)
• M9: 6,246,010 km (0.102 R)
• M10: 6,790,247 km (0.084 R)
• M11: 9,022,098 km (0.09 R)
• M12: 11,948,831 km (0.081 R)
• M13: 12,458,810 km (0.085 R)
• M14: 14,644,435 km (0.065 R)
• M15: 19,233,050 km (0.077 R)
• M16: 20,021,431 km (0.102 R)
• M17: 22,708,059 km (0.091 R)
• M18: 22,901,788 km (0.112 R)
• M19: 23,687,626 km (0.11 R)
• M20: 25,730,385 km (0.03 R)
• M21: 31,464,471 km (0.095 R)
• M22: 31,826,049 km (0.106 R)
• M23: 32,680,552 km (0.079 R)
• M24: 33,051,256 km (0.106 R)
• M25: 35,076,512 km (0.083 R)
• M26: 37,722,599 km (0.117 R)
• M27: 39,372,364 km (0.103 R)
• M28: 43,258,917 km (0.072 R)
• M29: 44,609,187 km (0.112 R)
• M30: 46,297,399 km (0.093 R)
• M31: 47,235,976 km (0.083 R)
• M32: 51,283,197 km (0.098 R)
• M33: 56,792,887 km (0.051 R)
• M34: 64,217,878 km (0.099 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 13,515 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit