🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.4

Radius: 14.2

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.53 AU - 0.71 AU

Year: 326 Days

Day: 7.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 26,292,120 km

• M1: 176,525 km (0.111 R)
• M2: 790,774 km (0.086 R)
• M3: 1,312,422 km (0.07 R)
• M4: 2,551,541 km (0.104 R)
• M5: 3,091,290 km (0.065 R)
• M6: 3,553,997 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.4

Radius: 8.2

Gravity: 14.1 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.04 AU - 1.28 AU

Year: 833 Days

Day: 9.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,292,120 km

• M1: 102,026 km (0.104 R)
• M2: 393,891 km (0.083 R)
• M3: 664,364 km (0.054 R)
• M4: 1,122,882 km (0.088 R)
• M5: 1,401,283 km (0.088 R)
• M6: 1,664,276 km (0.104 R)
• M7: 1,941,032 km (0.107 R)
• M8: 2,216,442 km (0.06 R)
• M9: 2,859,862 km (0.032 R)
• M10: 3,163,546 km (0.092 R)
• M11: 3,607,104 km (0.118 R)
• M12: 3,883,411 km (0.115 R)
• M13: 4,307,371 km (0.098 R)
• M14: 5,766,998 km (0.072 R)
• M15: 6,586,495 km (0.089 R)
• M16: 8,401,716 km (0.118 R)
• M17: 9,481,812 km (0.091 R)
• M18: 9,891,262 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.2

Radius: 9.1

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.55 AU - 2.93 AU

Year: 3025 Days

Day: 13.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 118.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,292,120 km

• M1: 113,395 km (0.098 R)
• M2: 397,930 km (0.095 R)
• M3: 1,126,322 km (0.098 R)
• M4: 2,006,855 km (0.069 R)
• M5: 2,951,416 km (0.043 R)
• M6: 3,541,730 km (0.103 R)
• M7: 4,044,678 km (0.106 R)
• M8: 4,355,991 km (0.07 R)
• M9: 6,518,278 km (0.103 R)
• M10: 8,055,696 km (0.098 R)
• M11: 8,416,675 km (0.026 R)
• M12: 10,195,544 km (0.07 R)
• M13: 11,213,557 km (0.071 R)
• M14: 11,581,269 km (0.083 R)
• M15: 13,404,867 km (0.081 R)
• M16: 17,016,758 km (0.083 R)
• M17: 19,775,791 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.5

Radius: 9.6

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.23 AU - 3.65 AU

Year: 4255 Days

Day: 6.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 26,292,120 km

• M1: 120,277 km (0.059 R)
• M2: 968,945 km (0.063 R)
• M3: 1,521,859 km (0.03 R)
• M4: 1,910,066 km (0.108 R)
• M5: 2,959,943 km (0.115 R)
• M6: 3,842,122 km (0.041 R)
• M7: 4,915,487 km (0.095 R)
• M8: 5,413,199 km (0.092 R)
• M9: 5,829,380 km (0.112 R)
• M10: 6,757,785 km (0.081 R)
• M11: 8,792,316 km (0.096 R)
• M12: 9,847,729 km (0.04 R)
• M13: 10,342,898 km (0.112 R)
• M14: 13,874,604 km (0.074 R)
• M15: 15,138,706 km (0.061 R)
• M16: 15,687,581 km (0.107 R)
• M17: 17,593,009 km (0.045 R)
• M18: 18,820,310 km (0.082 R)
• M19: 19,326,848 km (0.077 R)
• M20: 21,171,539 km (0.083 R)
• M21: 25,514,814 km (0.101 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 14,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit