🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.5

Radius: 10.4

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.71 AU - 0.71 AU

Year: 392 Days

Day: 14.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,765,351 km

• M1: 129,851 km (0.106 R)
• M2: 507,286 km (0.116 R)
• M3: 918,232 km (0.056 R)
• M4: 1,775,428 km (0.109 R)
• M5: 2,162,587 km (0.088 R)
• M6: 2,597,019 km (0.103 R)
• M7: 3,173,569 km (0.098 R)
• M8: 3,968,682 km (0.076 R)
• M9: 4,406,854 km (0.115 R)
• M10: 4,934,635 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.6

Radius: 14.6

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.07 AU - 1.45 AU

Year: 928 Days

Day: 14.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,765,351 km

• M1: 181,612 km (0.114 R)
• M2: 712,235 km (0.108 R)
• M3: 1,190,051 km (0.063 R)
• M4: 1,721,273 km (0.098 R)
• M5: 2,313,980 km (0.05 R)
• M6: 3,284,870 km (0.098 R)
• M7: 3,951,029 km (0.109 R)
• M8: 4,635,290 km (0.083 R)
• M9: 6,800,121 km (0.119 R)
• M10: 9,144,619 km (0.086 R)
• M11: 9,630,812 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.6

Radius: 9

Gravity: 6.8 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.15 AU - 1.37 AU

Year: 928 Days

Day: 14.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,765,351 km

• M1: 112,049 km (0.058 R)
• M2: 508,782 km (0.103 R)
• M3: 789,877 km (0.096 R)
• M4: 1,212,790 km (0.115 R)
• M5: 2,021,965 km (0.106 R)
• M6: 2,510,402 km (0.07 R)
• M7: 2,898,908 km (0.119 R)
• M8: 3,395,872 km (0.113 R)
• M9: 4,560,192 km (0.059 R)
• M10: 4,942,265 km (0.119 R)
• M11: 5,516,870 km (0.039 R)
• M12: 6,239,278 km (0.065 R)
• M13: 7,486,476 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.8

Radius: 10.4

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.87 AU - 6.43 AU

Year: 7667 Days

Day: 6.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,765,351 km

• M1: 129,851 km (0.12 R)
• M2: 457,919 km (0.068 R)
• M3: 834,607 km (0.048 R)
• M4: 1,159,982 km (0.083 R)
• M5: 1,772,884 km (0.104 R)
• M6: 2,645,638 km (0.114 R)
• M7: 3,116,273 km (0.078 R)
• M8: 3,642,259 km (0.085 R)
• M9: 4,568,719 km (0.095 R)
• M10: 4,929,250 km (0.099 R)
• M11: 5,459,873 km (0.079 R)
• M12: 5,930,957 km (0.111 R)
• M13: 7,395,670 km (0.095 R)
• M14: 8,621,924 km (0.111 R)
• M15: 9,349,418 km (0.116 R)
• M16: 12,247,578 km (0.113 R)
• M17: 13,001,401 km (0.081 R)
• M18: 15,142,745 km (0.071 R)
• M19: 16,393,234 km (0.097 R)
• M20: 17,242,202 km (0.086 R)
• M21: 17,711,341 km (0.079 R)
• M22: 22,562,650 km (0.107 R)
• M23: 23,367,636 km (0.119 R)
• M24: 26,779,964 km (0.057 R)
• M25: 30,316,607 km (0.115 R)
• M26: 33,216,711 km (0.102 R)
• M27: 35,752,694 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560.7

Radius: 6.5

Gravity: 13.27 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 7.97 AU - 11.71 AU

Year: 20249 Days

Day: 19.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,765,351 km

• M1: 80,932 km (0.061 R)
• M2: 763,847 km (0.109 R)
• M3: 999,314 km (0.049 R)
• M4: 1,214,436 km (0.041 R)
• M5: 1,430,006 km (0.076 R)
• M6: 1,775,428 km (0.106 R)
• M7: 3,128,091 km (0.083 R)
• M8: 4,600,135 km (0.064 R)
• M9: 5,057,605 km (0.114 R)
• M10: 7,149,731 km (0.037 R)
• M11: 8,987,690 km (0.101 R)
• M12: 11,243,626 km (0.114 R)
• M13: 12,072,548 km (0.118 R)
• M14: 15,029,051 km (0.084 R)
• M15: 17,498,014 km (0.041 R)
• M16: 18,005,301 km (0.072 R)
• M17: 21,257,109 km (0.085 R)
• M18: 27,624,892 km (0.039 R)
• M19: 36,235,447 km (0.111 R)
• M20: 39,750,099 km (0.084 R)
• M21: 42,720,514 km (0.092 R)
• M22: 49,769,267 km (0.045 R)
• M23: 56,999,930 km (0.058 R)
• M24: 61,735,600 km (0.075 R)
• M25: 66,726,933 km (0.113 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 11,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit