🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.8

Radius: 10.8

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.92 AU - 1.02 AU

Year: 637 Days

Day: 9.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,703,125 km

• M1: 147,952 km (0.111 R)
• M2: 575,054 km (0.083 R)
• M3: 1,124,527 km (0.09 R)
• M4: 1,815,969 km (0.099 R)
• M5: 2,270,896 km (0.098 R)
• M6: 2,791,347 km (0.105 R)
• M7: 4,177,221 km (0.097 R)
• M8: 4,844,428 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.3

Radius: 13

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.17 AU - 1.35 AU

Year: 943 Days

Day: 9.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,703,125 km

• M1: 161,715 km (0.092 R)
• M2: 701,315 km (0.055 R)
• M3: 1,121,834 km (0.089 R)
• M4: 2,138,352 km (0.08 R)
• M5: 2,639,804 km (0.105 R)
• M6: 3,178,356 km (0.117 R)
• M7: 3,820,580 km (0.117 R)
• M8: 5,230,091 km (0.043 R)
• M9: 5,708,056 km (0.118 R)
• M10: 6,706,323 km (0.036 R)
• M11: 7,516,545 km (0.099 R)
• M12: 8,048,964 km (0.07 R)
• M13: 8,798,000 km (0.045 R)
• M14: 9,332,364 km (0.097 R)
• M15: 9,739,869 km (0.12 R)
• M16: 10,497,283 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.7

Radius: 14.2

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.18 AU - 3.16 AU

Year: 2909 Days

Day: 14.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,703,125 km

• M1: 176,525 km (0.052 R)
• M2: 904,768 km (0.082 R)
• M3: 1,664,276 km (0.085 R)
• M4: 3,610,545 km (0.08 R)
• M5: 5,659,138 km (0.09 R)
• M6: 7,048,902 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.6

Radius: 12.9

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.13 AU - 3.61 AU

Year: 4125 Days

Day: 11.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,703,125 km

• M1: 160,369 km (0.119 R)
• M2: 608,265 km (0.118 R)
• M3: 1,106,127 km (0.083 R)
• M4: 1,732,493 km (0.106 R)
• M5: 2,507,111 km (0.087 R)
• M6: 3,238,943 km (0.103 R)
• M7: 4,640,376 km (0.069 R)
• M8: 5,151,103 km (0.049 R)
• M9: 5,939,035 km (0.119 R)
• M10: 6,464,872 km (0.09 R)
• M11: 6,913,067 km (0.077 R)
• M12: 7,438,754 km (0.089 R)
• M13: 9,375,299 km (0.092 R)
• M14: 11,628,242 km (0.117 R)
• M15: 13,025,337 km (0.067 R)
• M16: 13,742,958 km (0.116 R)
• M17: 14,397,897 km (0.108 R)
• M18: 14,800,914 km (0.077 R)
• M19: 15,257,487 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 502.6

Radius: 5.1

Gravity: 19.32 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 9.19 AU - 12.67 AU

Year: 24097 Days

Day: 18.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,703,125 km

• M1: 68,366 km (0.094 R)
• M2: 290,519 km (0.102 R)
• M3: 1,110,166 km (0.12 R)
• M4: 2,138,801 km (0.114 R)
• M5: 3,449,727 km (0.072 R)
• M6: 3,625,804 km (0.087 R)
• M7: 4,092,699 km (0.089 R)
• M8: 5,298,009 km (0.102 R)
• M9: 7,138,511 km (0.061 R)
• M10: 8,279,793 km (0.12 R)
• M11: 9,652,653 km (0.077 R)
• M12: 10,302,207 km (0.042 R)
• M13: 11,557,184 km (0.061 R)
• M14: 15,056,128 km (0.074 R)
• M15: 16,418,217 km (0.1 R)
• M16: 18,478,329 km (0.109 R)
• M17: 22,588,680 km (0.093 R)
• M18: 25,791,870 km (0.119 R)
• M19: 26,128,016 km (0.11 R)
• M20: 30,641,384 km (0.115 R)
• M21: 31,398,349 km (0.093 R)
• M22: 32,557,284 km (0.09 R)
• M23: 33,611,051 km (0.104 R)
• M24: 43,344,188 km (0.047 R)
• M25: 49,104,304 km (0.059 R)
• M26: 51,014,669 km (0.102 R)
• M27: 56,664,382 km (0.095 R)
• M28: 58,765,185 km (0.037 R)
• M29: 60,522,212 km (0.089 R)
• M30: 70,925,098 km (0.107 R)
• M31: 71,584,526 km (0.112 R)
• M32: 74,263,525 km (0.075 R)
• M33: 76,316,157 km (0.033 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.7

Radius: 6.8

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 10.97 AU - 10.97 AU

Year: 24229 Days

Day: 21.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,703,125 km

• M1: 84,672 km (0.059 R)
• M2: 498,311 km (0.12 R)
• M3: 2,079,261 km (0.093 R)
• M4: 3,624,308 km (0.115 R)
• M5: 4,443,057 km (0.091 R)
• M6: 4,824,382 km (0.064 R)
• M7: 8,234,016 km (0.086 R)
• M8: 12,909,997 km (0.069 R)
• M9: 15,565,958 km (0.109 R)
• M10: 18,301,953 km (0.1 R)
• M11: 18,742,668 km (0.104 R)
• M12: 21,342,679 km (0.106 R)
• M13: 23,033,285 km (0.115 R)
• M14: 47,051,223 km (0.05 R)
• M15: 51,456,880 km (0.087 R)
• M16: 53,222,135 km (0.084 R)
• M17: 58,189,084 km (0.12 R)
• M18: 64,668,616 km (0.102 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 11,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit