🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.6

Radius: 11.9

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.5 AU - 0.68 AU

Year: 313 Days

Day: 10.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,744,902 km

• M1: 147,952 km (0.108 R)
• M2: 523,293 km (0.06 R)
• M3: 938,876 km (0.066 R)
• M4: 1,432,998 km (0.071 R)
• M5: 1,861,147 km (0.113 R)
• M6: 2,714,902 km (0.12 R)
• M7: 3,482,638 km (0.071 R)
• M8: 3,999,499 km (0.113 R)
• M9: 4,484,795 km (0.058 R)
• M10: 4,994,475 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.8

Radius: 9.7

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.78 AU - 0.8 AU

Year: 485 Days

Day: 6 Hours

Environment

Temp: -160 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,744,902 km

• M1: 120,725 km (0.106 R)
• M2: 632,649 km (0.12 R)
• M3: 1,158,785 km (0.058 R)
• M4: 1,919,191 km (0.07 R)
• M5: 2,317,869 km (0.035 R)
• M6: 2,700,391 km (0.093 R)
• M7: 3,091,440 km (0.099 R)
• M8: 3,780,937 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.4

Radius: 14.4

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.99 AU - 1.43 AU

Year: 919 Days

Day: 8.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,744,902 km

• M1: 180,265 km (0.107 R)
• M2: 643,271 km (0.107 R)
• M3: 1,349,822 km (0.083 R)
• M4: 2,855,225 km (0.102 R)
• M5: 3,512,259 km (0.119 R)
• M6: 4,571,262 km (0.099 R)
• M7: 5,078,848 km (0.1 R)
• M8: 6,289,394 km (0.12 R)
• M9: 7,522,529 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.6

Radius: 10.4

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.1 AU - 1.42 AU

Year: 976 Days

Day: 6.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,744,902 km

• M1: 130,150 km (0.084 R)
• M2: 454,329 km (0.062 R)
• M3: 1,513,482 km (0.116 R)
• M4: 1,915,601 km (0.108 R)
• M5: 2,925,536 km (0.119 R)
• M6: 3,331,694 km (0.067 R)
• M7: 3,680,407 km (0.065 R)
• M8: 4,857,742 km (0.057 R)
• M9: 6,091,177 km (0.04 R)
• M10: 8,649,599 km (0.107 R)
• M11: 9,793,873 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.3

Radius: 8.8

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.74 AU - 1.92 AU

Year: 1709 Days

Day: 12.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,744,902 km

• M1: 110,553 km (0.041 R)
• M2: 399,875 km (0.067 R)
• M3: 720,912 km (0.05 R)
• M4: 1,033,272 km (0.079 R)
• M5: 1,636,002 km (0.115 R)
• M6: 2,566,501 km (0.034 R)
• M7: 2,986,123 km (0.119 R)
• M8: 3,330,497 km (0.05 R)
• M9: 3,733,364 km (0.116 R)
• M10: 4,031,064 km (0.111 R)
• M11: 4,452,781 km (0.028 R)
• M12: 4,962,161 km (0.045 R)
• M13: 5,488,895 km (0.058 R)
• M14: 5,963,270 km (0.05 R)
• M15: 7,168,431 km (0.096 R)
• M16: 7,709,227 km (0.092 R)
• M17: 8,003,187 km (0.118 R)
• M18: 8,388,252 km (0.064 R)
• M19: 9,314,861 km (0.098 R)
• M20: 9,741,065 km (0.077 R)
• M21: 10,211,999 km (0.065 R)
• M22: 11,301,820 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.6

Radius: 9.4

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.28 AU - 5.82 AU

Year: 7833 Days

Day: 13.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,744,902 km

• M1: 117,734 km (0.066 R)
• M2: 495,169 km (0.04 R)
• M3: 1,542,653 km (0.097 R)
• M4: 3,371,786 km (0.082 R)
• M5: 4,842,184 km (0.054 R)
• M6: 6,152,063 km (0.105 R)
• M7: 7,307,706 km (0.116 R)
• M8: 9,902,930 km (0.108 R)
• M9: 10,951,761 km (0.032 R)
• M10: 13,699,575 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.9

Radius: 6.6

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.74 AU - 6.72 AU

Year: 10734 Days

Day: 16.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,744,902 km

• M1: 82,279 km (0.079 R)
• M2: 445,502 km (0.095 R)
• M3: 1,818,362 km (0.089 R)
• M4: 3,105,801 km (0.105 R)
• M5: 5,267,491 km (0.115 R)
• M6: 5,972,396 km (0.06 R)
• M7: 7,970,425 km (0.076 R)
• M8: 11,384,398 km (0.06 R)
• M9: 12,306,968 km (0.117 R)
• M10: 12,812,010 km (0.067 R)
• M11: 14,801,662 km (0.092 R)
• M12: 15,315,232 km (0.119 R)
• M13: 16,018,042 km (0.056 R)
• M14: 18,061,998 km (0.077 R)
• M15: 22,960,880 km (0.06 R)
• M16: 23,726,073 km (0.06 R)
• M17: 24,905,353 km (0.058 R)
• M18: 26,371,561 km (0.072 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 14,982 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit