🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.01 AU - 1.23 AU

Year: 429 Days

Day: 30.5 Hours

Environment

Temp: 30 °C

Axial Tilt: 22.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.73 AU - 2.05 AU

Year: 940 Days

Day: 12.8 Hours

Environment

Temp: -49 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.79 AU - 2.47 AU

Year: 1124 Days

Day: 30 Hours

Environment

Temp: -72 °C

Axial Tilt: 15.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 33,995,830 km

• M1: 247,584 km (0.075 R)
• M2: 1,299,706 km (0.067 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.88 AU - 2.46 AU

Year: 1156 Days

Day: 17.2 Hours

Environment

Temp: -73 °C

Axial Tilt: 107.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.2 AU - 2.68 AU

Year: 1378 Days

Day: 16.9 Hours

Environment

Temp: -87 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.2 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.7

Radius: 13.2

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.65 AU - 7.27 AU

Year: 5262 Days

Day: 5.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,995,830 km

• M1: 164,109 km (0.081 R)
• M2: 634,893 km (0.082 R)
• M3: 1,897,948 km (0.108 R)
• M4: 2,617,664 km (0.066 R)
• M5: 3,246,872 km (0.115 R)
• M6: 3,750,419 km (0.119 R)
• M7: 4,784,439 km (0.069 R)
• M8: 5,671,106 km (0.083 R)
• M9: 6,697,347 km (0.067 R)
• M10: 8,329,759 km (0.106 R)
• M11: 8,835,849 km (0.045 R)
• M12: 9,321,294 km (0.078 R)
• M13: 13,497,767 km (0.089 R)
• M14: 14,033,926 km (0.114 R)
• M15: 15,845,706 km (0.112 R)
• M16: 17,241,155 km (0.116 R)
• M17: 20,345,011 km (0.089 R)
• M18: 21,265,487 km (0.1 R)
• M19: 26,289,133 km (0.111 R)
• M20: 26,873,313 km (0.089 R)
• M21: 27,551,589 km (0.065 R)
• M22: 27,981,384 km (0.076 R)
• M23: 28,678,211 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.8

Radius: 12.1

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 6.11 AU - 6.13 AU

Year: 5475 Days

Day: 14 Hours

Environment

Temp: -152 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,995,830 km

• M1: 151,842 km (0.087 R)
• M2: 546,182 km (0.094 R)
• M3: 1,608,925 km (0.056 R)
• M4: 2,145,981 km (0.025 R)
• M5: 2,928,827 km (0.104 R)
• M6: 4,638,432 km (0.091 R)
• M7: 6,380,648 km (0.05 R)
• M8: 6,902,296 km (0.083 R)
• M9: 7,558,582 km (0.099 R)
• M10: 8,446,595 km (0.064 R)
• M11: 11,483,282 km (0.025 R)
• M12: 12,707,142 km (0.111 R)
• M13: 13,800,553 km (0.067 R)
• M14: 14,508,450 km (0.083 R)
• M15: 16,777,700 km (0.049 R)
• M16: 21,212,978 km (0.118 R)
• M17: 21,789,977 km (0.068 R)
• M18: 23,278,476 km (0.101 R)
• M19: 23,969,917 km (0.118 R)
• M20: 25,799,350 km (0.112 R)
• M21: 29,023,184 km (0.111 R)
• M22: 29,645,062 km (0.071 R)

Asteroid Belt

Center: 8.14 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106

Radius: 12.9

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 9.2 AU - 11.1 AU

Year: 11695 Days

Day: 12.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,995,830 km

• M1: 160,369 km (0.073 R)
• M2: 770,728 km (0.036 R)
• M3: 1,541,606 km (0.026 R)
• M4: 2,005,659 km (0.105 R)
• M5: 2,943,338 km (0.112 R)
• M6: 4,294,207 km (0.111 R)
• M7: 5,560,403 km (0.096 R)
• M8: 6,234,641 km (0.053 R)
• M9: 6,832,135 km (0.092 R)
• M10: 8,818,645 km (0.108 R)
• M11: 10,762,370 km (0.084 R)
• M12: 14,164,824 km (0.033 R)
• M13: 15,480,388 km (0.072 R)
• M14: 17,789,580 km (0.095 R)
• M15: 18,480,423 km (0.052 R)
• M16: 23,303,758 km (0.084 R)
• M17: 25,055,998 km (0.055 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.4

Radius: 9.9

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 10.38 AU - 13.6 AU

Year: 15015 Days

Day: 9.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,995,830 km

• M1: 123,269 km (0.081 R)
• M2: 812,316 km (0.099 R)
• M3: 1,171,800 km (0.087 R)
• M4: 2,544,061 km (0.059 R)
• M5: 3,292,799 km (0.113 R)
• M6: 5,252,082 km (0.113 R)
• M7: 5,789,438 km (0.099 R)
• M8: 9,170,200 km (0.088 R)
• M9: 11,445,284 km (0.115 R)
• M10: 11,891,535 km (0.101 R)
• M11: 14,933,757 km (0.042 R)
• M12: 18,191,251 km (0.062 R)
• M13: 21,743,303 km (0.099 R)
• M14: 22,659,889 km (0.077 R)
• M15: 26,585,486 km (0.055 R)
• M16: 29,073,149 km (0.107 R)
• M17: 33,089,403 km (0.052 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 17,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit