🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.1

Radius: 10.8

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.87 AU - 1.15 AU

Year: 645 Days

Day: 11.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,297,463 km

• M1: 134,339 km (0.071 R)
• M2: 551,867 km (0.111 R)
• M3: 1,104,780 km (0.116 R)
• M4: 1,510,340 km (0.118 R)
• M5: 1,912,160 km (0.07 R)
• M6: 2,403,888 km (0.11 R)
• M7: 3,333,938 km (0.074 R)
• M8: 3,705,090 km (0.066 R)
• M9: 4,170,938 km (0.096 R)
• M10: 5,173,543 km (0.114 R)
• M11: 5,524,949 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.6

Radius: 8.3

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.88 AU - 1.98 AU

Year: 1705 Days

Day: 11 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,297,463 km

• M1: 132,095 km (0.082 R)
• M2: 396,135 km (0.101 R)
• M3: 925,861 km (0.099 R)
• M4: 1,332,319 km (0.079 R)
• M5: 1,672,803 km (0.111 R)
• M6: 1,935,048 km (0.087 R)
• M7: 2,482,427 km (0.068 R)
• M8: 3,129,438 km (0.113 R)
• M9: 3,515,849 km (0.038 R)
• M10: 5,006,442 km (0.078 R)
• M11: 5,621,290 km (0.081 R)
• M12: 6,331,431 km (0.064 R)
• M13: 7,225,727 km (0.091 R)
• M14: 9,084,929 km (0.077 R)
• M15: 9,811,227 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.2

Radius: 8.3

Gravity: 13.26 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.16 AU - 2.88 AU

Year: 2544 Days

Day: 7.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,297,463 km

• M1: 103,223 km (0.102 R)
• M2: 473,627 km (0.108 R)
• M3: 755,619 km (0.101 R)
• M4: 1,315,264 km (0.073 R)
• M5: 1,709,604 km (0.072 R)
• M6: 2,690,368 km (0.118 R)
• M7: 3,032,349 km (0.118 R)
• M8: 3,844,067 km (0.113 R)
• M9: 7,550,803 km (0.032 R)
• M10: 8,852,604 km (0.027 R)
• M11: 10,336,764 km (0.118 R)
• M12: 10,772,543 km (0.049 R)
• M13: 11,723,088 km (0.079 R)
• M14: 14,028,840 km (0.109 R)
• M15: 14,612,421 km (0.095 R)
• M16: 17,944,713 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.9

Radius: 10.7

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.56 AU - 4.32 AU

Year: 4973 Days

Day: 12.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,297,463 km

• M1: 149,448 km (0.088 R)
• M2: 783,743 km (0.043 R)
• M3: 1,231,340 km (0.077 R)
• M4: 1,608,626 km (0.063 R)
• M5: 2,063,703 km (0.118 R)
• M6: 3,045,962 km (0.103 R)
• M7: 4,434,978 km (0.12 R)
• M8: 6,783,067 km (0.114 R)
• M9: 8,822,086 km (0.037 R)
• M10: 13,763,453 km (0.102 R)
• M11: 15,064,206 km (0.04 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702.8

Radius: 3.3

Gravity: 64.54 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.52 AU - 6.76 AU

Year: 10879 Days

Day: 22 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,297,463 km

• M1: 43,234 km (0.094 R)
• M2: 756,217 km (0.106 R)
• M3: 1,236,426 km (0.091 R)
• M4: 1,979,329 km (0.083 R)
• M5: 2,505,316 km (0.094 R)
• M6: 3,142,453 km (0.059 R)
• M7: 4,131,893 km (0.085 R)
• M8: 5,145,419 km (0.117 R)
• M9: 5,762,809 km (0.082 R)
• M10: 7,061,019 km (0.095 R)
• M11: 8,312,406 km (0.089 R)
• M12: 9,453,987 km (0.1 R)
• M13: 9,959,029 km (0.094 R)
• M14: 10,967,768 km (0.09 R)
• M15: 13,879,990 km (0.078 R)
• M16: 14,203,271 km (0.117 R)
• M17: 23,277,429 km (0.094 R)
• M18: 28,524,275 km (0.116 R)
• M19: 28,836,785 km (0.057 R)
• M20: 30,217,872 km (0.116 R)
• M21: 32,089,641 km (0.09 R)
• M22: 37,414,427 km (0.116 R)
• M23: 37,914,384 km (0.083 R)
• M24: 41,673,180 km (0.111 R)
• M25: 47,692,100 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.2

Radius: 5.2

Gravity: 36.66 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.45 AU - 7.05 AU

Year: 11150 Days

Day: 20.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,297,463 km

• M1: 65,823 km (0.066 R)
• M2: 231,428 km (0.079 R)
• M3: 451,636 km (0.094 R)
• M4: 1,329,327 km (0.079 R)
• M5: 1,559,707 km (0.112 R)
• M6: 2,850,139 km (0.027 R)
• M7: 6,227,011 km (0.094 R)
• M8: 7,789,262 km (0.11 R)
• M9: 10,401,241 km (0.11 R)
• M10: 12,580,134 km (0.094 R)
• M11: 16,806,423 km (0.105 R)
• M12: 20,995,014 km (0.09 R)
• M13: 21,350,309 km (0.112 R)
• M14: 32,289,952 km (0.112 R)
• M15: 34,702,966 km (0.066 R)
• M16: 37,492,966 km (0.041 R)
• M17: 46,153,187 km (0.111 R)
• M18: 48,123,840 km (0.051 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: 374 - 19,889 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit