🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.56 AU - 0.62 AU

Year: 172 Days

Day: 43.7 Hours

Environment

Temp: 189 °C

Axial Tilt: 32.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.72 AU - 0.72 AU

Year: 231 Days

Day: 21.6 Hours

Environment

Temp: 147 °C

Axial Tilt: 29 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 33,268,143 km

• M1: 181,313 km (0.057 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.87 AU - 0.91 AU

Year: 318 Days

Day: 26.5 Hours

Environment

Temp: 28 °C

Axial Tilt: 26.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.8 AU - 1.14 AU

Year: 362 Days

Day: 35.8 Hours

Environment

Temp: 21 °C

Axial Tilt: 6.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.83 AU - 2.89 AU

Year: 1373 Days

Day: 43.5 Hours

Environment

Temp: -99 °C

Axial Tilt: 43.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.27 AU - 2.79 AU

Year: 1524 Days

Day: 14.8 Hours

Environment

Temp: -94 °C

Axial Tilt: 30 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.5

Radius: 8.5

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.17 AU - 6.05 AU

Year: 5033 Days

Day: 5.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 33,268,143 km

• M1: 105,766 km (0.118 R)
• M2: 658,829 km (0.082 R)
• M3: 957,277 km (0.096 R)
• M4: 1,347,428 km (0.065 R)
• M5: 2,109,330 km (0.103 R)
• M6: 2,568,895 km (0.115 R)
• M7: 3,433,570 km (0.066 R)
• M8: 4,141,467 km (0.041 R)
• M9: 4,406,106 km (0.107 R)
• M10: 4,811,367 km (0.081 R)
• M11: 5,158,733 km (0.104 R)
• M12: 6,719,488 km (0.11 R)
• M13: 7,154,219 km (0.1 R)
• M14: 7,607,800 km (0.111 R)
• M15: 8,688,644 km (0.062 R)
• M16: 9,616,002 km (0.087 R)
• M17: 10,168,616 km (0.105 R)
• M18: 12,493,367 km (0.069 R)
• M19: 14,869,729 km (0.079 R)
• M20: 15,264,668 km (0.042 R)
• M21: 16,611,796 km (0.083 R)
• M22: 18,680,585 km (0.109 R)
• M23: 24,397,618 km (0.098 R)
• M24: 24,789,414 km (0.092 R)
• M25: 25,105,963 km (0.114 R)
• M26: 26,234,829 km (0.106 R)
• M27: 27,650,623 km (0.097 R)
• M28: 27,991,108 km (0.079 R)
• M29: 28,334,286 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.6

Radius: 14.7

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.69 AU - 7.11 AU

Year: 6132 Days

Day: 9.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,268,143 km

• M1: 182,809 km (0.109 R)
• M2: 855,999 km (0.109 R)
• M3: 1,400,834 km (0.072 R)
• M4: 2,196,246 km (0.071 R)
• M5: 2,698,895 km (0.105 R)
• M6: 5,275,120 km (0.086 R)
• M7: 8,061,680 km (0.115 R)
• M8: 10,702,381 km (0.113 R)
• M9: 11,665,492 km (0.061 R)
• M10: 12,896,533 km (0.078 R)
• M11: 13,380,034 km (0.113 R)
• M12: 14,043,351 km (0.079 R)
• M13: 15,981,690 km (0.099 R)
• M14: 16,602,820 km (0.11 R)
• M15: 19,953,514 km (0.074 R)
• M16: 20,893,587 km (0.12 R)
• M17: 22,629,221 km (0.073 R)
• M18: 24,704,742 km (0.119 R)
• M19: 27,873,524 km (0.077 R)
• M20: 30,444,962 km (0.099 R)

Asteroid Belt

Center: 6.89 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.2

Radius: 12.4

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 6.41 AU - 8.35 AU

Year: 7593 Days

Day: 6.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,268,143 km

• M1: 169,345 km (0.087 R)
• M2: 567,724 km (0.042 R)
• M3: 1,872,666 km (0.114 R)
• M4: 2,607,491 km (0.12 R)
• M5: 3,570,303 km (0.061 R)
• M6: 6,817,773 km (0.058 R)
• M7: 7,894,429 km (0.109 R)
• M8: 9,206,253 km (0.115 R)
• M9: 9,631,111 km (0.09 R)
• M10: 11,222,683 km (0.099 R)
• M11: 11,956,011 km (0.102 R)
• M12: 12,668,995 km (0.045 R)
• M13: 15,449,271 km (0.066 R)
• M14: 15,868,445 km (0.046 R)
• M15: 16,357,031 km (0.097 R)
• M16: 17,299,947 km (0.094 R)
• M17: 21,586,075 km (0.116 R)
• M18: 24,861,969 km (0.114 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 15,528 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit