🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.7

Radius: 8.3

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.54 AU - 0.8 AU

Year: 385 Days

Day: 14.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,350,652 km

• M1: 103,372 km (0.05 R)
• M2: 365,767 km (0.112 R)
• M3: 693,087 km (0.117 R)
• M4: 1,144,573 km (0.08 R)
• M5: 1,788,742 km (0.101 R)
• M6: 2,061,010 km (0.118 R)
• M7: 2,964,431 km (0.029 R)
• M8: 3,257,194 km (0.113 R)
• M9: 3,515,849 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.2

Radius: 10.9

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.68 AU - 0.92 AU

Year: 503 Days

Day: 9.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,350,652 km

• M1: 135,536 km (0.054 R)
• M2: 616,343 km (0.095 R)
• M3: 955,930 km (0.098 R)
• M4: 1,401,582 km (0.103 R)
• M5: 2,397,755 km (0.097 R)
• M6: 2,765,017 km (0.096 R)
• M7: 3,375,526 km (0.033 R)
• M8: 4,262,791 km (0.052 R)
• M9: 4,835,901 km (0.078 R)
• M10: 5,724,063 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.9

Radius: 14.8

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.67 AU - 2.05 AU

Year: 1783 Days

Day: 7.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,350,652 km

• M1: 185,053 km (0.111 R)
• M2: 752,028 km (0.116 R)
• M3: 1,485,806 km (0.093 R)
• M4: 2,133,266 km (0.098 R)
• M5: 2,624,395 km (0.119 R)
• M6: 3,134,375 km (0.041 R)
• M7: 3,726,782 km (0.078 R)
• M8: 4,268,326 km (0.037 R)
• M9: 4,901,425 km (0.112 R)
• M10: 5,575,363 km (0.038 R)
• M11: 6,172,259 km (0.08 R)
• M12: 6,787,106 km (0.11 R)
• M13: 7,442,793 km (0.035 R)
• M14: 8,335,593 km (0.088 R)
• M15: 8,822,983 km (0.026 R)
• M16: 10,013,184 km (0.117 R)
• M17: 10,797,526 km (0.039 R)
• M18: 11,273,696 km (0.083 R)
• M19: 12,122,663 km (0.05 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.7

Radius: 7.2

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.76 AU - 9.68 AU

Year: 18100 Days

Day: 22.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,350,652 km

• M1: 105,317 km (0.056 R)
• M2: 446,250 km (0.09 R)
• M3: 683,812 km (0.112 R)
• M4: 1,463,366 km (0.112 R)
• M5: 2,489,159 km (0.026 R)
• M6: 3,041,026 km (0.106 R)
• M7: 3,320,026 km (0.094 R)
• M8: 3,784,677 km (0.1 R)
• M9: 5,225,304 km (0.038 R)
• M10: 5,552,175 km (0.097 R)
• M11: 9,940,629 km (0.11 R)
• M12: 12,432,481 km (0.083 R)
• M13: 18,946,271 km (0.12 R)
• M14: 26,777,869 km (0.045 R)
• M15: 28,079,520 km (0.069 R)
• M16: 35,097,456 km (0.088 R)
• M17: 36,392,375 km (0.071 R)
• M18: 36,786,864 km (0.079 R)
• M19: 40,891,232 km (0.105 R)
• M20: 43,790,738 km (0.078 R)
• M21: 44,987,969 km (0.08 R)
• M22: 46,360,829 km (0.107 R)
• M23: 51,468,100 km (0.075 R)
• M24: 61,285,909 km (0.026 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 15,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit