🌌 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: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.1

Radius: 11.8

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.65 AU - 0.89 AU

Year: 430 Days

Day: 10.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,249,959 km

• M1: 146,756 km (0.107 R)
• M2: 567,574 km (0.108 R)
• M3: 1,062,893 km (0.109 R)
• M4: 1,595,611 km (0.114 R)
• M5: 2,000,872 km (0.081 R)
• M6: 3,316,734 km (0.068 R)
• M7: 3,731,868 km (0.072 R)
• M8: 4,339,834 km (0.109 R)
• M9: 4,729,387 km (0.097 R)
• M10: 6,004,859 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.2

Radius: 12.9

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.64 AU - 1.02 AU

Year: 481 Days

Day: 14.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,249,959 km

• M1: 160,519 km (0.112 R)
• M2: 616,942 km (0.116 R)
• M3: 1,084,734 km (0.071 R)
• M4: 1,637,498 km (0.102 R)
• M5: 2,129,825 km (0.058 R)
• M6: 2,641,300 km (0.05 R)
• M7: 3,089,046 km (0.037 R)
• M8: 3,812,352 km (0.101 R)
• M9: 4,360,030 km (0.108 R)
• M10: 4,868,663 km (0.064 R)
• M11: 5,748,298 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.3

Radius: 14.8

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.94 AU - 3.74 AU

Year: 3881 Days

Day: 14.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,249,959 km

• M1: 184,454 km (0.102 R)
• M2: 680,670 km (0.112 R)
• M3: 1,342,790 km (0.11 R)
• M4: 2,165,130 km (0.067 R)
• M5: 4,032,859 km (0.09 R)
• M6: 4,703,058 km (0.083 R)
• M7: 5,296,961 km (0.091 R)
• M8: 6,157,598 km (0.114 R)
• M9: 7,511,010 km (0.047 R)
• M10: 9,234,677 km (0.097 R)
• M11: 11,004,120 km (0.055 R)
• M12: 12,673,782 km (0.067 R)
• M13: 13,639,885 km (0.04 R)
• M14: 14,213,742 km (0.105 R)
• M15: 14,753,940 km (0.108 R)
• M16: 18,231,193 km (0.062 R)
• M17: 21,063,231 km (0.035 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.7

Radius: 9.3

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.68 AU - 4.78 AU

Year: 5532 Days

Day: 14.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,249,959 km

• M1: 115,938 km (0.12 R)
• M2: 491,878 km (0.058 R)
• M3: 791,373 km (0.09 R)
• M4: 1,103,135 km (0.107 R)
• M5: 2,044,255 km (0.048 R)
• M6: 2,461,783 km (0.115 R)
• M7: 2,843,407 km (0.099 R)
• M8: 4,019,695 km (0.11 R)
• M9: 4,526,233 km (0.051 R)
• M10: 5,464,661 km (0.092 R)
• M11: 5,995,284 km (0.034 R)
• M12: 6,304,653 km (0.055 R)
• M13: 7,159,455 km (0.084 R)
• M14: 7,650,585 km (0.117 R)
• M15: 8,164,154 km (0.078 R)
• M16: 8,937,575 km (0.056 R)
• M17: 11,742,386 km (0.116 R)
• M18: 13,239,711 km (0.069 R)
• M19: 14,804,355 km (0.077 R)
• M20: 16,488,827 km (0.062 R)
• M21: 17,533,618 km (0.074 R)
• M22: 18,687,317 km (0.036 R)
• M23: 19,349,737 km (0.113 R)
• M24: 24,589,701 km (0.07 R)
• M25: 27,279,621 km (0.116 R)
• M26: 29,001,941 km (0.082 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 15,208 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit