🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.4

Radius: 13.2

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.05 AU - 1.27 AU

Year: 794 Days

Day: 11.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,982,408 km

• M1: 164,558 km (0.09 R)
• M2: 620,382 km (0.109 R)
• M3: 1,183,918 km (0.12 R)
• M4: 1,637,199 km (0.104 R)
• M5: 2,266,408 km (0.097 R)
• M6: 4,059,637 km (0.117 R)
• M7: 4,504,093 km (0.1 R)
• M8: 6,233,594 km (0.109 R)
• M9: 7,128,039 km (0.105 R)
• M10: 7,894,429 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.3

Radius: 13.3

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.25 AU - 1.47 AU

Year: 1008 Days

Day: 7.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,982,408 km

• M1: 165,455 km (0.095 R)
• M2: 635,941 km (0.082 R)
• M3: 1,422,975 km (0.118 R)
• M4: 2,041,263 km (0.029 R)
• M5: 2,512,646 km (0.089 R)
• M6: 2,932,118 km (0.101 R)
• M7: 3,453,616 km (0.087 R)
• M8: 4,177,072 km (0.079 R)
• M9: 4,788,628 km (0.097 R)
• M10: 6,422,087 km (0.075 R)
• M11: 8,149,344 km (0.117 R)
• M12: 8,973,628 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.5

Radius: 12.4

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.24 AU - 4.32 AU

Year: 5630 Days

Day: 11.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,982,408 km

• M1: 154,385 km (0.082 R)
• M2: 676,182 km (0.105 R)
• M3: 1,606,083 km (0.032 R)
• M4: 2,183,531 km (0.075 R)
• M5: 2,749,010 km (0.075 R)
• M6: 3,173,120 km (0.06 R)
• M7: 3,563,272 km (0.088 R)
• M8: 5,078,698 km (0.113 R)
• M9: 5,967,459 km (0.032 R)
• M10: 6,714,700 km (0.113 R)
• M11: 8,086,812 km (0.114 R)
• M12: 9,830,525 km (0.118 R)
• M13: 10,832,083 km (0.06 R)
• M14: 11,422,097 km (0.116 R)
• M15: 12,302,031 km (0.099 R)
• M16: 16,443,349 km (0.106 R)
• M17: 18,086,083 km (0.12 R)
• M18: 19,649,830 km (0.105 R)
• M19: 20,464,690 km (0.11 R)
• M20: 22,498,622 km (0.038 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.9

Radius: 7

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 7.99 AU - 10.89 AU

Year: 18441 Days

Day: 18.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,982,408 km

• M1: 88,861 km (0.083 R)
• M2: 369,357 km (0.116 R)
• M3: 1,060,051 km (0.073 R)
• M4: 1,469,201 km (0.054 R)
• M5: 2,174,106 km (0.064 R)
• M6: 2,453,555 km (0.086 R)
• M7: 3,193,017 km (0.07 R)
• M8: 6,870,581 km (0.075 R)
• M9: 8,074,096 km (0.08 R)
• M10: 13,947,907 km (0.103 R)
• M11: 17,531,075 km (0.103 R)
• M12: 18,729,653 km (0.12 R)
• M13: 26,722,368 km (0.061 R)
• M14: 29,170,837 km (0.094 R)
• M15: 29,756,363 km (0.039 R)
• M16: 32,177,156 km (0.084 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 13,245 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit