🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.4

Radius: 12.7

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.74 AU - 0.84 AU

Year: 453 Days

Day: 9.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,539,337 km

• M1: 159,172 km (0.117 R)
• M2: 591,809 km (0.12 R)
• M3: 1,131,110 km (0.105 R)
• M4: 1,579,305 km (0.076 R)
• M5: 2,440,540 km (0.092 R)
• M6: 2,840,265 km (0.113 R)
• M7: 3,284,122 km (0.095 R)
• M8: 3,762,237 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.7

Radius: 13.7

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.41 AU - 1.79 AU

Year: 1307 Days

Day: 9.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,539,337 km

• M1: 170,392 km (0.043 R)
• M2: 851,511 km (0.085 R)
• M3: 1,283,999 km (0.067 R)
• M4: 2,410,321 km (0.07 R)
• M5: 2,908,781 km (0.097 R)
• M6: 3,564,917 km (0.087 R)
• M7: 4,451,285 km (0.089 R)
• M8: 4,883,174 km (0.101 R)
• M9: 5,584,040 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.3

Radius: 14.3

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.27 AU - 3.35 AU

Year: 3888 Days

Day: 5.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,539,337 km

• M1: 177,872 km (0.077 R)
• M2: 1,339,499 km (0.108 R)
• M3: 2,439,044 km (0.072 R)
• M4: 3,183,891 km (0.116 R)
• M5: 5,030,079 km (0.083 R)
• M6: 8,433,580 km (0.064 R)
• M7: 9,317,404 km (0.07 R)
• M8: 10,060,307 km (0.12 R)
• M9: 11,054,684 km (0.108 R)
• M10: 20,386,599 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.5

Radius: 13.2

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.57 AU - 5.99 AU

Year: 7834 Days

Day: 10.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,539,337 km

• M1: 164,558 km (0.093 R)
• M2: 591,360 km (0.096 R)
• M3: 1,197,082 km (0.1 R)
• M4: 1,637,947 km (0.045 R)
• M5: 2,205,521 km (0.042 R)
• M6: 3,293,547 km (0.046 R)
• M7: 4,712,333 km (0.102 R)
• M8: 7,218,845 km (0.04 R)
• M9: 8,023,383 km (0.103 R)
• M10: 13,247,939 km (0.081 R)
• M11: 15,114,471 km (0.086 R)
• M12: 15,545,164 km (0.052 R)
• M13: 17,084,226 km (0.085 R)
• M14: 21,143,864 km (0.088 R)
• M15: 22,469,301 km (0.07 R)
• M16: 23,030,891 km (0.063 R)
• M17: 24,687,239 km (0.12 R)
• M18: 25,544,584 km (0.115 R)
• M19: 27,866,792 km (0.115 R)
• M20: 29,079,283 km (0.029 R)
• M21: 31,910,273 km (0.079 R)
• M22: 33,444,399 km (0.119 R)
• M23: 33,966,645 km (0.027 R)
• M24: 35,027,294 km (0.11 R)
• M25: 36,549,153 km (0.117 R)
• M26: 36,991,963 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.8

Radius: 13.1

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.28 AU - 6.62 AU

Year: 8215 Days

Day: 11.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,539,337 km

• M1: 163,211 km (0.091 R)
• M2: 796,010 km (0.105 R)
• M3: 1,443,021 km (0.081 R)
• M4: 2,507,410 km (0.095 R)
• M5: 3,132,430 km (0.061 R)
• M6: 3,598,427 km (0.086 R)
• M7: 5,227,997 km (0.073 R)
• M8: 5,798,713 km (0.095 R)
• M9: 6,635,114 km (0.11 R)
• M10: 7,983,290 km (0.099 R)
• M11: 8,394,834 km (0.09 R)
• M12: 10,359,802 km (0.092 R)
• M13: 11,032,394 km (0.068 R)
• M14: 12,365,760 km (0.063 R)
• M15: 14,508,600 km (0.026 R)
• M16: 14,953,953 km (0.103 R)
• M17: 20,130,039 km (0.066 R)
• M18: 21,036,453 km (0.107 R)
• M19: 22,262,557 km (0.029 R)
• M20: 25,334,998 km (0.053 R)
• M21: 28,074,284 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.6

Radius: 9.4

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.72 AU - 6.84 AU

Year: 8972 Days

Day: 11.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,539,337 km

• M1: 117,135 km (0.039 R)
• M2: 432,338 km (0.073 R)
• M3: 825,930 km (0.03 R)
• M4: 1,445,415 km (0.044 R)
• M5: 1,821,653 km (0.114 R)
• M6: 2,455,350 km (0.091 R)
• M7: 2,774,741 km (0.119 R)
• M8: 3,100,715 km (0.064 R)
• M9: 3,854,838 km (0.062 R)
• M10: 6,892,871 km (0.073 R)
• M11: 7,808,710 km (0.086 R)
• M12: 8,254,661 km (0.12 R)
• M13: 9,512,330 km (0.116 R)
• M14: 10,943,234 km (0.107 R)
• M15: 11,554,042 km (0.044 R)
• M16: 13,930,554 km (0.071 R)
• M17: 17,015,711 km (0.11 R)
• M18: 18,538,617 km (0.066 R)
• M19: 26,436,337 km (0.105 R)
• M20: 33,597,587 km (0.109 R)
• M21: 34,669,456 km (0.057 R)
• M22: 38,252,624 km (0.078 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 14,547 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit