🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.9

Radius: 10.6

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.69 AU - 0.87 AU

Year: 445 Days

Day: 12.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,683,221 km

• M1: 131,796 km (0.047 R)
• M2: 574,755 km (0.079 R)
• M3: 1,227,002 km (0.091 R)
• M4: 1,614,011 km (0.093 R)
• M5: 1,968,558 km (0.108 R)
• M6: 2,375,764 km (0.101 R)
• M7: 2,848,643 km (0.117 R)
• M8: 3,222,787 km (0.089 R)
• M9: 4,083,423 km (0.088 R)
• M10: 4,481,354 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.7

Radius: 11

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.07 AU - 3.23 AU

Year: 2785 Days

Day: 13.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,683,221 km

• M1: 136,732 km (0.105 R)
• M2: 483,500 km (0.096 R)
• M3: 909,555 km (0.091 R)
• M4: 1,445,714 km (0.078 R)
• M5: 1,899,444 km (0.109 R)
• M6: 2,642,796 km (0.033 R)
• M7: 3,261,682 km (0.117 R)
• M8: 3,641,811 km (0.108 R)
• M9: 4,090,305 km (0.1 R)
• M10: 9,189,049 km (0.111 R)
• M11: 9,635,300 km (0.054 R)
• M12: 10,240,722 km (0.089 R)
• M13: 11,527,563 km (0.109 R)
• M14: 12,415,726 km (0.073 R)
• M15: 15,595,129 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.4

Radius: 12.2

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.32 AU - 6.4 AU

Year: 8012 Days

Day: 14.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,683,221 km

• M1: 152,739 km (0.086 R)
• M2: 572,960 km (0.05 R)
• M3: 1,196,484 km (0.1 R)
• M4: 1,747,453 km (0.118 R)
• M5: 2,329,688 km (0.12 R)
• M6: 2,979,242 km (0.12 R)
• M7: 3,433,570 km (0.093 R)
• M8: 4,079,085 km (0.11 R)
• M9: 4,914,290 km (0.063 R)
• M10: 6,544,757 km (0.054 R)
• M11: 7,245,324 km (0.1 R)
• M12: 8,230,276 km (0.093 R)
• M13: 9,089,267 km (0.118 R)
• M14: 9,917,142 km (0.103 R)
• M15: 10,937,848 km (0.119 R)
• M16: 11,424,341 km (0.102 R)
• M17: 11,925,344 km (0.084 R)
• M18: 14,134,306 km (0.116 R)
• M19: 15,125,691 km (0.116 R)
• M20: 17,974,035 km (0.118 R)
• M21: 21,462,657 km (0.082 R)
• M22: 24,297,237 km (0.102 R)
• M23: 28,544,022 km (0.114 R)
• M24: 31,864,346 km (0.103 R)
• M25: 32,758,194 km (0.071 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.1

Radius: 7.8

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.6 AU - 9.8 AU

Year: 16569 Days

Day: 24.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,683,221 km

• M1: 96,939 km (0.111 R)
• M2: 2,392,519 km (0.103 R)
• M3: 3,907,347 km (0.052 R)
• M4: 7,529,859 km (0.103 R)
• M5: 8,245,087 km (0.096 R)
• M6: 20,038,485 km (0.11 R)
• M7: 24,815,295 km (0.089 R)
• M8: 26,647,570 km (0.085 R)
• M9: 28,747,325 km (0.05 R)
• M10: 30,955,091 km (0.106 R)
• M11: 32,488,020 km (0.051 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: 217 - 16,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit