🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.9 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.63 AU - 1.97 AU

Year: 930 Days

Day: 27.9 Hours

Environment

Temp: -73 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.23 AU - 3.07 AU

Year: 1661 Days

Day: 23.4 Hours

Environment

Temp: -108 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.52 AU - 3.04 AU

Year: 1785 Days

Day: 41.5 Hours

Environment

Temp: -103 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.12 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.3

Radius: 13

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 8.78 AU - 10.12 AU

Year: 11185 Days

Day: 14 Hours

Environment

Temp: -185 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 74,556,714 km

• M1: 161,715 km (0.072 R)
• M2: 614,398 km (0.046 R)
• M3: 2,143,887 km (0.065 R)
• M4: 3,305,365 km (0.065 R)
• M5: 4,513,667 km (0.081 R)
• M6: 5,203,014 km (0.053 R)
• M7: 6,107,034 km (0.087 R)
• M8: 6,991,606 km (0.069 R)
• M9: 9,306,035 km (0.057 R)
• M10: 10,267,051 km (0.102 R)
• M11: 11,630,935 km (0.12 R)
• M12: 12,150,339 km (0.107 R)
• M13: 13,360,436 km (0.086 R)
• M14: 14,849,683 km (0.092 R)
• M15: 15,599,916 km (0.056 R)
• M16: 17,623,676 km (0.117 R)
• M17: 18,079,202 km (0.09 R)
• M18: 21,319,941 km (0.112 R)
• M19: 21,837,250 km (0.061 R)
• M20: 26,087,325 km (0.044 R)
• M21: 28,510,063 km (0.082 R)
• M22: 31,521,917 km (0.113 R)
• M23: 32,419,953 km (0.099 R)
• M24: 33,104,662 km (0.102 R)
• M25: 34,621,286 km (0.119 R)
• M26: 37,542,184 km (0.101 R)
• M27: 44,707,623 km (0.088 R)
• M28: 45,984,441 km (0.051 R)
• M29: 48,166,026 km (0.052 R)

Planet 5 - Ice Giant

Semi-Major Axis: 15.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314

Radius: 7

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 12.56 AU - 18.45 AU

Year: 23495 Days

Day: 19.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,556,714 km

• M1: 89,609 km (0.032 R)
• M2: 486,791 km (0.108 R)
• M3: 1,300,903 km (0.084 R)
• M4: 1,549,834 km (0.113 R)
• M5: 1,992,943 km (0.046 R)
• M6: 4,954,382 km (0.081 R)
• M7: 5,681,578 km (0.119 R)
• M8: 6,394,860 km (0.061 R)
• M9: 15,260,030 km (0.039 R)
• M10: 19,970,418 km (0.111 R)
• M11: 20,687,890 km (0.082 R)
• M12: 26,519,663 km (0.077 R)
• M13: 30,333,063 km (0.096 R)
• M14: 40,571,840 km (0.072 R)
• M15: 49,567,010 km (0.041 R)
• M16: 51,379,089 km (0.111 R)
• M17: 62,805,674 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409.8

Radius: 3.3

Gravity: 37.63 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 15.72 AU - 16.66 AU

Year: 25081 Days

Day: 20.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,556,714 km

• M1: 41,139 km (0.112 R)
• M2: 701,913 km (0.065 R)
• M3: 1,136,944 km (0.081 R)
• M4: 2,817,526 km (0.1 R)
• M5: 3,876,978 km (0.116 R)
• M6: 5,641,037 km (0.099 R)
• M7: 6,345,343 km (0.069 R)
• M8: 7,484,980 km (0.075 R)
• M9: 10,458,238 km (0.07 R)
• M10: 11,072,038 km (0.115 R)
• M11: 14,882,894 km (0.08 R)
• M12: 22,553,076 km (0.108 R)
• M13: 24,733,614 km (0.065 R)
• M14: 25,929,949 km (0.063 R)
• M15: 26,040,651 km (0.054 R)
• M16: 30,359,093 km (0.077 R)
• M17: 34,325,680 km (0.082 R)
• M18: 35,538,769 km (0.086 R)
• M19: 37,623,715 km (0.111 R)
• M20: 41,730,775 km (0.039 R)
• M21: 42,802,344 km (0.108 R)
• M22: 44,681,742 km (0.083 R)
• M23: 49,789,762 km (0.118 R)
• M24: 58,444,747 km (0.096 R)
• M25: 62,526,973 km (0.081 R)
• M26: 64,739,376 km (0.048 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 10,788 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit