🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.7 AU - 1.08 AU

Year: 383 Days

Day: 25.6 Hours

Environment

Temp: -59 °C

Axial Tilt: 47.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.77 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.5

Radius: 14.3

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.23 AU - 3.05 AU

Year: 1958 Days

Day: 7.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,524,647 km

• M1: 180,116 km (0.075 R)
• M2: 890,706 km (0.094 R)
• M3: 1,759,720 km (0.117 R)
• M4: 2,664,488 km (0.081 R)
• M5: 3,274,697 km (0.066 R)
• M6: 4,374,242 km (0.072 R)
• M7: 6,491,800 km (0.096 R)
• M8: 9,193,836 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.1

Radius: 12

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.16 AU - 3.24 AU

Year: 2614 Days

Day: 10.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,524,647 km

• M1: 149,598 km (0.087 R)
• M2: 774,767 km (0.114 R)
• M3: 1,498,223 km (0.117 R)
• M4: 2,037,074 km (0.119 R)
• M5: 2,607,491 km (0.114 R)
• M6: 4,316,048 km (0.025 R)
• M7: 4,877,190 km (0.096 R)
• M8: 5,285,293 km (0.061 R)
• M9: 6,674,907 km (0.056 R)
• M10: 8,753,719 km (0.077 R)
• M11: 9,789,086 km (0.055 R)
• M12: 12,102,468 km (0.098 R)
• M13: 13,511,380 km (0.097 R)
• M14: 14,018,667 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.6

Radius: 11.3

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.84 AU - 6 AU

Year: 4983 Days

Day: 6.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,524,647 km

• M1: 140,472 km (0.073 R)
• M2: 541,395 km (0.077 R)
• M3: 1,048,083 km (0.045 R)
• M4: 1,493,436 km (0.084 R)
• M5: 2,444,728 km (0.104 R)
• M6: 2,815,282 km (0.106 R)
• M7: 4,016,703 km (0.085 R)
• M8: 5,682,176 km (0.092 R)
• M9: 6,872,825 km (0.08 R)
• M10: 8,696,723 km (0.071 R)
• M11: 9,272,375 km (0.106 R)
• M12: 9,917,292 km (0.051 R)
• M13: 10,823,406 km (0.053 R)
• M14: 12,082,870 km (0.119 R)
• M15: 13,383,624 km (0.086 R)
• M16: 14,948,866 km (0.106 R)
• M17: 15,476,947 km (0.067 R)
• M18: 15,956,707 km (0.114 R)
• M19: 18,173,897 km (0.106 R)
• M20: 20,160,707 km (0.1 R)
• M21: 22,364,283 km (0.06 R)
• M22: 24,319,527 km (0.077 R)
• M23: 28,567,359 km (0.107 R)
• M24: 29,747,985 km (0.059 R)
• M25: 30,210,542 km (0.068 R)
• M26: 30,584,088 km (0.114 R)
• M27: 31,055,321 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.9

Radius: 14.9

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.08 AU - 5.26 AU

Year: 5367 Days

Day: 12.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,524,647 km

• M1: 186,100 km (0.109 R)
• M2: 664,963 km (0.06 R)
• M3: 1,440,777 km (0.045 R)
• M4: 2,016,878 km (0.12 R)
• M5: 2,673,613 km (0.066 R)
• M6: 3,998,452 km (0.057 R)
• M7: 4,474,622 km (0.095 R)
• M8: 5,045,188 km (0.083 R)
• M9: 5,633,706 km (0.081 R)
• M10: 9,512,480 km (0.118 R)
• M11: 10,183,725 km (0.106 R)
• M12: 13,082,035 km (0.111 R)
• M13: 16,428,838 km (0.086 R)
• M14: 17,396,736 km (0.118 R)
• M15: 18,746,109 km (0.096 R)
• M16: 24,103,059 km (0.119 R)
• M17: 28,528,464 km (0.119 R)
• M18: 29,175,325 km (0.114 R)
• M19: 30,594,709 km (0.057 R)
• M20: 31,566,198 km (0.048 R)
• M21: 34,604,231 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.5

Radius: 10.1

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.49 AU - 9.13 AU

Year: 9024 Days

Day: 7.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,524,647 km

• M1: 126,261 km (0.12 R)
• M2: 543,489 km (0.038 R)
• M3: 1,713,045 km (0.031 R)
• M4: 2,080,308 km (0.104 R)
• M5: 4,749,882 km (0.119 R)
• M6: 5,336,605 km (0.11 R)
• M7: 7,833,842 km (0.12 R)
• M8: 12,563,977 km (0.034 R)
• M9: 17,067,023 km (0.118 R)
• M10: 21,634,096 km (0.119 R)
• M11: 22,010,036 km (0.09 R)
• M12: 23,164,333 km (0.119 R)
• M13: 29,089,456 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.6

Radius: 11

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.15 AU - 7.63 AU

Year: 9172 Days

Day: 12.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,524,647 km

• M1: 136,882 km (0.073 R)
• M2: 546,032 km (0.081 R)
• M3: 1,042,996 km (0.107 R)
• M4: 1,594,713 km (0.114 R)
• M5: 2,391,023 km (0.043 R)
• M6: 3,265,871 km (0.094 R)
• M7: 5,203,014 km (0.12 R)
• M8: 5,885,180 km (0.062 R)
• M9: 6,360,004 km (0.093 R)
• M10: 7,099,765 km (0.056 R)
• M11: 7,896,075 km (0.097 R)
• M12: 8,657,977 km (0.07 R)
• M13: 16,332,348 km (0.068 R)
• M14: 16,689,587 km (0.042 R)
• M15: 18,019,213 km (0.105 R)
• M16: 21,650,253 km (0.111 R)
• M17: 22,518,818 km (0.102 R)
• M18: 23,230,305 km (0.109 R)
• M19: 24,325,362 km (0.12 R)
• M20: 34,124,770 km (0.117 R)
• M21: 34,827,132 km (0.074 R)
• M22: 40,016,383 km (0.077 R)
• M23: 47,852,320 km (0.106 R)
• M24: 49,623,110 km (0.113 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 14,913 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit