🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.8

Radius: 12.3

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.3 AU - 1.58 AU

Year: 1193 Days

Day: 5.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,677,089 km

• M1: 153,039 km (0.097 R)
• M2: 1,046,736 km (0.06 R)
• M3: 1,631,814 km (0.062 R)
• M4: 2,216,143 km (0.114 R)
• M5: 3,153,523 km (0.114 R)
• M6: 4,030,316 km (0.054 R)
• M7: 4,608,362 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.1

Radius: 10.8

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.58 AU - 2.02 AU

Year: 1667 Days

Day: 9.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,677,089 km

• M1: 134,339 km (0.096 R)
• M2: 480,209 km (0.086 R)
• M3: 830,268 km (0.107 R)
• M4: 1,189,602 km (0.091 R)
• M5: 1,883,138 km (0.119 R)
• M6: 2,590,138 km (0.119 R)
• M7: 2,945,881 km (0.069 R)
• M8: 3,449,428 km (0.036 R)
• M9: 3,882,065 km (0.109 R)
• M10: 5,516,122 km (0.118 R)
• M11: 5,915,549 km (0.104 R)
• M12: 6,410,119 km (0.099 R)
• M13: 7,203,586 km (0.077 R)
• M14: 8,002,140 km (0.089 R)
• M15: 9,211,339 km (0.075 R)
• M16: 10,326,442 km (0.034 R)
• M17: 10,789,597 km (0.117 R)
• M18: 11,757,794 km (0.076 R)
• M19: 12,864,070 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314

Radius: 8.7

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.48 AU - 2.2 AU

Year: 1723 Days

Day: 12.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,677,089 km

• M1: 108,309 km (0.074 R)
• M2: 436,227 km (0.109 R)
• M3: 801,396 km (0.077 R)
• M4: 1,197,082 km (0.059 R)
• M5: 1,508,096 km (0.109 R)
• M6: 2,319,814 km (0.117 R)
• M7: 3,366,850 km (0.1 R)
• M8: 3,831,800 km (0.087 R)
• M9: 4,757,362 km (0.099 R)
• M10: 5,123,278 km (0.061 R)
• M11: 6,357,760 km (0.087 R)
• M12: 9,552,722 km (0.058 R)
• M13: 10,389,273 km (0.087 R)
• M14: 10,743,820 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.9

Radius: 14.6

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.87 AU - 3.25 AU

Year: 3695 Days

Day: 7.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,677,089 km

• M1: 181,612 km (0.104 R)
• M2: 729,589 km (0.106 R)
• M3: 1,224,309 km (0.037 R)
• M4: 1,964,968 km (0.069 R)
• M5: 3,479,048 km (0.067 R)
• M6: 4,808,375 km (0.079 R)
• M7: 5,534,972 km (0.116 R)
• M8: 7,847,007 km (0.105 R)
• M9: 8,305,524 km (0.103 R)
• M10: 9,393,101 km (0.064 R)
• M11: 10,155,900 km (0.055 R)
• M12: 11,178,252 km (0.066 R)
• M13: 14,553,629 km (0.05 R)
• M14: 20,545,173 km (0.097 R)
• M15: 24,341,219 km (0.1 R)
• M16: 25,092,200 km (0.056 R)
• M17: 25,627,013 km (0.087 R)
• M18: 26,169,455 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.6

Radius: 6.9

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.27 AU - 8.69 AU

Year: 12729 Days

Day: 23.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,677,089 km

• M1: 86,168 km (0.12 R)
• M2: 515,963 km (0.085 R)
• M3: 906,713 km (0.08 R)
• M4: 1,325,587 km (0.062 R)
• M5: 1,866,981 km (0.114 R)
• M6: 2,083,150 km (0.057 R)
• M7: 2,372,323 km (0.094 R)
• M8: 3,939,810 km (0.094 R)
• M9: 5,112,507 km (0.09 R)
• M10: 5,883,684 km (0.105 R)
• M11: 6,846,197 km (0.103 R)
• M12: 8,346,514 km (0.07 R)
• M13: 12,210,328 km (0.115 R)
• M14: 12,794,059 km (0.066 R)
• M15: 13,519,010 km (0.097 R)
• M16: 13,766,594 km (0.095 R)
• M17: 15,585,555 km (0.1 R)
• M18: 16,202,796 km (0.085 R)
• M19: 20,011,558 km (0.091 R)
• M20: 20,822,677 km (0.091 R)
• M21: 21,909,356 km (0.113 R)
• M22: 22,251,337 km (0.091 R)
• M23: 26,927,916 km (0.117 R)
• M24: 30,385,123 km (0.103 R)
• M25: 31,024,504 km (0.059 R)
• M26: 33,220,601 km (0.084 R)
• M27: 36,346,747 km (0.116 R)
• M28: 38,660,578 km (0.105 R)
• M29: 39,537,221 km (0.092 R)
• M30: 40,941,496 km (0.088 R)
• M31: 41,460,302 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 468.7

Radius: 7.6

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 8.55 AU - 9.65 AU

Year: 18948 Days

Day: 18.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,677,089 km

• M1: 94,546 km (0.114 R)
• M2: 510,129 km (0.039 R)
• M3: 782,247 km (0.116 R)
• M4: 3,780,039 km (0.037 R)
• M5: 7,147,936 km (0.095 R)
• M6: 12,308,314 km (0.063 R)
• M7: 18,493,438 km (0.102 R)
• M8: 19,693,064 km (0.093 R)
• M9: 23,209,362 km (0.096 R)
• M10: 23,701,090 km (0.076 R)
• M11: 28,332,939 km (0.05 R)
• M12: 31,097,358 km (0.061 R)
• M13: 41,459,853 km (0.108 R)
• M14: 55,640,983 km (0.107 R)
• M15: 59,769,436 km (0.083 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: 338 - 18,691 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit