🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.7

Radius: 12

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.69 AU - 0.71 AU

Year: 404 Days

Day: 6 Hours

Environment

Temp: -155 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 17,744,221 km

• M1: 149,299 km (0.106 R)
• M2: 572,661 km (0.097 R)
• M3: 1,240,615 km (0.051 R)
• M4: 1,912,459 km (0.088 R)
• M5: 3,073,638 km (0.118 R)
• M6: 3,513,755 km (0.063 R)
• M7: 3,971,375 km (0.062 R)
• M8: 4,415,980 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.7

Radius: 8.4

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.05 AU - 1.09 AU

Year: 764 Days

Day: 6.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 17,744,221 km

• M1: 104,419 km (0.06 R)
• M2: 378,931 km (0.053 R)
• M3: 641,625 km (0.12 R)
• M4: 1,051,224 km (0.107 R)
• M5: 1,380,190 km (0.114 R)
• M6: 1,926,521 km (0.097 R)
• M7: 2,610,034 km (0.118 R)
• M8: 3,120,013 km (0.112 R)
• M9: 3,809,360 km (0.11 R)
• M10: 5,019,906 km (0.056 R)
• M11: 5,286,340 km (0.032 R)
• M12: 5,694,293 km (0.105 R)
• M13: 6,023,857 km (0.102 R)
• M14: 6,678,647 km (0.054 R)
• M15: 7,334,933 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.3

Radius: 9.5

Gravity: 10.4 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.02 AU - 1.34 AU

Year: 885 Days

Day: 10.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 17,744,221 km

• M1: 118,482 km (0.066 R)
• M2: 622,178 km (0.115 R)
• M3: 1,115,701 km (0.075 R)
• M4: 1,504,655 km (0.107 R)
• M5: 1,895,255 km (0.102 R)
• M6: 2,409,723 km (0.085 R)
• M7: 2,719,091 km (0.051 R)
• M8: 3,205,733 km (0.058 R)
• M9: 4,353,448 km (0.1 R)
• M10: 4,706,199 km (0.034 R)
• M11: 5,469,448 km (0.118 R)
• M12: 6,673,711 km (0.107 R)
• M13: 7,762,933 km (0.084 R)
• M14: 9,278,808 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.6

Radius: 12.4

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.58 AU - 2.38 AU

Year: 1923 Days

Day: 10.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 17,744,221 km

• M1: 154,235 km (0.05 R)
• M2: 578,794 km (0.111 R)
• M3: 988,692 km (0.066 R)
• M4: 1,402,330 km (0.107 R)
• M5: 2,075,371 km (0.108 R)
• M6: 2,473,900 km (0.091 R)
• M7: 3,017,389 km (0.061 R)
• M8: 3,822,226 km (0.11 R)
• M9: 4,346,417 km (0.075 R)
• M10: 4,765,291 km (0.07 R)
• M11: 5,350,517 km (0.086 R)
• M12: 6,829,741 km (0.092 R)
• M13: 8,278,896 km (0.052 R)
• M14: 10,880,552 km (0.106 R)
• M15: 11,578,277 km (0.114 R)
• M16: 12,934,681 km (0.102 R)
• M17: 13,541,001 km (0.098 R)
• M18: 14,030,784 km (0.106 R)
• M19: 14,717,588 km (0.091 R)
• M20: 15,668,133 km (0.095 R)
• M21: 16,760,497 km (0.094 R)
• M22: 17,481,708 km (0.061 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: 283 - 11,450 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit