🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.1

Radius: 14.5

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.21 AU - 1.85 AU

Year: 1222 Days

Day: 13.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,072,381 km

• M1: 180,415 km (0.05 R)
• M2: 746,793 km (0.104 R)
• M3: 1,327,083 km (0.084 R)
• M4: 2,198,640 km (0.048 R)
• M5: 2,802,866 km (0.08 R)
• M6: 3,472,017 km (0.116 R)
• M7: 4,403,713 km (0.12 R)
• M8: 4,977,121 km (0.085 R)
• M9: 6,162,834 km (0.107 R)
• M10: 6,691,812 km (0.044 R)
• M11: 7,351,389 km (0.102 R)
• M12: 8,080,978 km (0.058 R)
• M13: 9,624,678 km (0.091 R)
• M14: 10,149,318 km (0.093 R)
• M15: 11,323,512 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.3

Radius: 8.7

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.46 AU - 1.66 AU

Year: 1258 Days

Day: 7.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 20,072,381 km

• M1: 110,403 km (0.119 R)
• M2: 444,156 km (0.096 R)
• M3: 718,967 km (0.072 R)
• M4: 1,519,166 km (0.057 R)
• M5: 1,795,324 km (0.119 R)
• M6: 5,071,069 km (0.118 R)
• M7: 5,448,654 km (0.105 R)
• M8: 6,082,949 km (0.115 R)
• M9: 6,601,904 km (0.049 R)
• M10: 8,473,672 km (0.036 R)
• M11: 9,831,722 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.8

Radius: 9.9

Gravity: 10.02 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.26 AU - 2.04 AU

Year: 1368 Days

Day: 7.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,072,381 km

• M1: 123,269 km (0.098 R)
• M2: 435,479 km (0.108 R)
• M3: 770,579 km (0.116 R)
• M4: 1,140,085 km (0.083 R)
• M5: 1,572,274 km (0.084 R)
• M6: 1,999,525 km (0.092 R)
• M7: 2,451,909 km (0.087 R)
• M8: 2,928,079 km (0.067 R)
• M9: 3,305,365 km (0.099 R)
• M10: 4,941,068 km (0.064 R)
• M11: 5,389,862 km (0.068 R)
• M12: 6,101,798 km (0.091 R)
• M13: 7,245,474 km (0.057 R)
• M14: 8,025,926 km (0.089 R)
• M15: 8,406,802 km (0.111 R)
• M16: 9,525,046 km (0.089 R)
• M17: 11,567,955 km (0.112 R)
• M18: 11,903,503 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.4

Radius: 12.2

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.55 AU - 2.65 AU

Year: 2707 Days

Day: 10.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,072,381 km

• M1: 153,338 km (0.111 R)
• M2: 980,165 km (0.069 R)
• M3: 1,418,637 km (0.116 R)
• M4: 2,086,591 km (0.081 R)
• M5: 2,593,728 km (0.038 R)
• M6: 3,581,074 km (0.096 R)
• M7: 4,131,594 km (0.107 R)
• M8: 4,738,064 km (0.069 R)
• M9: 5,213,785 km (0.094 R)
• M10: 5,796,469 km (0.11 R)
• M11: 6,476,241 km (0.109 R)
• M12: 7,686,189 km (0.073 R)
• M13: 8,248,677 km (0.09 R)
• M14: 8,872,051 km (0.043 R)
• M15: 9,456,231 km (0.115 R)
• M16: 10,029,490 km (0.065 R)
• M17: 10,625,638 km (0.119 R)
• M18: 11,010,254 km (0.077 R)
• M19: 12,388,050 km (0.069 R)
• M20: 12,900,722 km (0.096 R)
• M21: 14,014,478 km (0.109 R)
• M22: 15,288,304 km (0.088 R)
• M23: 16,331,300 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.4

Radius: 12

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.45 AU - 2.91 AU

Year: 2833 Days

Day: 11.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,072,381 km

• M1: 149,299 km (0.082 R)
• M2: 625,469 km (0.078 R)
• M3: 1,158,037 km (0.088 R)
• M4: 1,656,497 km (0.067 R)
• M5: 2,683,337 km (0.072 R)
• M6: 3,081,118 km (0.051 R)
• M7: 3,500,889 km (0.041 R)
• M8: 4,313,505 km (0.083 R)
• M9: 4,732,529 km (0.094 R)
• M10: 5,531,531 km (0.111 R)
• M11: 5,976,435 km (0.103 R)
• M12: 7,223,184 km (0.069 R)
• M13: 7,605,257 km (0.114 R)
• M14: 10,044,300 km (0.095 R)
• M15: 10,746,363 km (0.047 R)
• M16: 11,441,544 km (0.079 R)
• M17: 12,166,346 km (0.047 R)
• M18: 12,878,881 km (0.108 R)
• M19: 13,486,248 km (0.109 R)
• M20: 13,931,900 km (0.026 R)
• M21: 15,764,175 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.8

Radius: 14.9

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.09 AU - 6.39 AU

Year: 8879 Days

Day: 7.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 20,072,381 km

• M1: 185,352 km (0.077 R)
• M2: 795,113 km (0.075 R)
• M3: 1,259,464 km (0.089 R)
• M4: 2,236,937 km (0.064 R)
• M5: 3,887,600 km (0.114 R)
• M6: 11,888,393 km (0.084 R)
• M7: 13,326,178 km (0.084 R)
• M8: 16,388,896 km (0.05 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: 364 - 18,281 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit