🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.45 AU - 0.69 AU

Year: 282 Days

Day: 35.4 Hours

Environment

Temp: -128 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,421,947 km

• M1: 42,635 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.51 AU - 0.81 AU

Year: 352 Days

Day: 13 Hours

Environment

Temp: -133 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531

Radius: 11.8

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.92 AU - 1.46 AU

Year: 852 Days

Day: 8.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,421,947 km

• M1: 146,756 km (0.1 R)
• M2: 515,215 km (0.08 R)
• M3: 910,004 km (0.069 R)
• M4: 1,465,760 km (0.103 R)
• M5: 2,085,694 km (0.098 R)
• M6: 2,946,480 km (0.092 R)
• M7: 3,723,042 km (0.109 R)
• M8: 4,532,516 km (0.118 R)
• M9: 5,164,717 km (0.117 R)
• M10: 5,567,883 km (0.094 R)
• M11: 7,260,433 km (0.109 R)
• M12: 8,397,826 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.1

Radius: 9.3

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.35 AU - 3.25 AU

Year: 3074 Days

Day: 11.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,421,947 km

• M1: 125,812 km (0.091 R)
• M2: 515,664 km (0.073 R)
• M3: 1,122,882 km (0.047 R)
• M4: 1,441,974 km (0.071 R)
• M5: 3,577,035 km (0.109 R)
• M6: 4,321,882 km (0.117 R)
• M7: 4,720,561 km (0.115 R)
• M8: 6,169,117 km (0.07 R)
• M9: 7,501,735 km (0.079 R)
• M10: 8,718,414 km (0.083 R)
• M11: 9,253,825 km (0.083 R)
• M12: 10,992,452 km (0.097 R)
• M13: 13,503,003 km (0.097 R)
• M14: 14,038,563 km (0.107 R)
• M15: 14,403,283 km (0.025 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.1

Radius: 12.8

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.27 AU - 4.67 AU

Year: 5189 Days

Day: 14.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,421,947 km

• M1: 159,172 km (0.062 R)
• M2: 616,343 km (0.117 R)
• M3: 2,109,779 km (0.106 R)
• M4: 2,635,466 km (0.096 R)
• M5: 3,797,243 km (0.102 R)
• M6: 4,760,204 km (0.119 R)
• M7: 7,501,286 km (0.115 R)
• M8: 8,399,472 km (0.066 R)
• M9: 9,332,065 km (0.067 R)
• M10: 11,280,876 km (0.082 R)
• M11: 15,359,513 km (0.081 R)
• M12: 16,383,959 km (0.117 R)
• M13: 17,672,744 km (0.093 R)
• M14: 18,341,896 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.9

Radius: 14.9

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.94 AU - 4.12 AU

Year: 5307 Days

Day: 11.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,421,947 km

• M1: 185,352 km (0.055 R)
• M2: 835,055 km (0.082 R)
• M3: 1,671,008 km (0.112 R)
• M4: 3,414,272 km (0.056 R)
• M5: 4,413,137 km (0.111 R)
• M6: 5,147,663 km (0.09 R)
• M7: 7,345,106 km (0.099 R)
• M8: 8,561,037 km (0.066 R)
• M9: 9,826,935 km (0.039 R)
• M10: 11,569,750 km (0.086 R)
• M11: 14,220,774 km (0.095 R)
• M12: 15,170,271 km (0.112 R)
• M13: 16,105,408 km (0.065 R)
• M14: 16,962,155 km (0.096 R)
• M15: 18,457,385 km (0.095 R)
• M16: 20,365,955 km (0.101 R)
• M17: 21,030,469 km (0.095 R)
• M18: 21,709,344 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.5

Radius: 3.1

Gravity: 31.89 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 9.48 AU - 11.12 AU

Year: 21685 Days

Day: 24.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 141.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,421,947 km

• M1: 91,255 km (0.078 R)
• M2: 196,422 km (0.105 R)
• M3: 304,432 km (0.097 R)
• M4: 544,536 km (0.059 R)
• M5: 887,115 km (0.089 R)
• M6: 2,224,520 km (0.116 R)
• M7: 4,146,554 km (0.074 R)
• M8: 5,782,556 km (0.091 R)
• M9: 6,290,291 km (0.108 R)
• M10: 6,575,724 km (0.102 R)
• M11: 9,491,087 km (0.098 R)
• M12: 11,769,164 km (0.116 R)
• M13: 12,454,023 km (0.115 R)
• M14: 21,823,188 km (0.093 R)
• M15: 22,854,516 km (0.092 R)
• M16: 26,038,407 km (0.088 R)
• M17: 26,878,100 km (0.037 R)
• M18: 31,821,711 km (0.026 R)
• M19: 34,506,245 km (0.079 R)
• M20: 34,757,569 km (0.062 R)
• M21: 37,074,242 km (0.087 R)
• M22: 44,193,006 km (0.075 R)
• M23: 60,141,934 km (0.107 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 14,342 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit