🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.6

Radius: 8.3

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.63 AU - 0.85 AU

Year: 424 Days

Day: 12.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,383,743 km

• M1: 103,223 km (0.12 R)
• M2: 366,066 km (0.083 R)
• M3: 652,396 km (0.113 R)
• M4: 937,679 km (0.104 R)
• M5: 1,444,367 km (0.088 R)
• M6: 1,773,632 km (0.087 R)
• M7: 2,042,460 km (0.03 R)
• M8: 2,733,602 km (0.094 R)
• M9: 3,342,914 km (0.092 R)
• M10: 3,625,804 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114.3

Radius: 9.9

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.24 AU - 1.7 AU

Year: 1189 Days

Day: 6.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,383,743 km

• M1: 123,119 km (0.112 R)
• M2: 845,677 km (0.115 R)
• M3: 1,747,752 km (0.111 R)
• M4: 2,151,517 km (0.075 R)
• M5: 3,484,882 km (0.026 R)
• M6: 4,518,454 km (0.068 R)
• M7: 5,122,680 km (0.099 R)
• M8: 5,832,671 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.3

Radius: 14.1

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.2 AU - 1.76 AU

Year: 1201 Days

Day: 9.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,383,743 km

• M1: 181,013 km (0.062 R)
• M2: 632,051 km (0.066 R)
• M3: 1,168,808 km (0.115 R)
• M4: 1,995,785 km (0.057 R)
• M5: 3,132,430 km (0.113 R)
• M6: 3,861,271 km (0.069 R)
• M7: 4,309,765 km (0.078 R)
• M8: 5,019,607 km (0.104 R)
• M9: 7,833,244 km (0.077 R)
• M10: 8,836,746 km (0.106 R)
• M11: 9,325,782 km (0.08 R)
• M12: 10,516,581 km (0.097 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 590.9

Radius: 7.4

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 7.99 AU - 11.57 AU

Year: 20396 Days

Day: 23.4 Hours

Environment

Temp: -242 °C

Axial Tilt: 110.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,383,743 km

• M1: 92,003 km (0.043 R)
• M2: 329,564 km (0.069 R)
• M3: 687,253 km (0.111 R)
• M4: 1,080,097 km (0.04 R)
• M5: 1,753,137 km (0.025 R)
• M6: 3,075,583 km (0.082 R)
• M7: 3,744,584 km (0.055 R)
• M8: 4,677,925 km (0.12 R)
• M9: 8,046,421 km (0.09 R)
• M10: 8,453,476 km (0.089 R)
• M11: 8,927,552 km (0.094 R)
• M12: 10,457,041 km (0.108 R)
• M13: 14,466,264 km (0.077 R)
• M14: 15,221,284 km (0.077 R)
• M15: 17,729,143 km (0.11 R)
• M16: 17,985,554 km (0.05 R)
• M17: 19,036,030 km (0.095 R)
• M18: 20,406,197 km (0.066 R)
• M19: 22,333,466 km (0.068 R)
• M20: 24,802,579 km (0.069 R)
• M21: 26,213,287 km (0.109 R)
• M22: 29,431,885 km (0.098 R)
• M23: 32,265,269 km (0.12 R)
• M24: 39,331,524 km (0.092 R)
• M25: 39,768,051 km (0.098 R)
• M26: 47,035,665 km (0.096 R)
• M27: 47,692,250 km (0.102 R)
• M28: 51,934,846 km (0.106 R)
• M29: 63,527,633 km (0.076 R)
• M30: 69,921,746 km (0.077 R)
• M31: 71,855,298 km (0.069 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 16,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit