🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.41 AU - 0.61 AU

Year: 158 Days

Day: 45.3 Hours

Environment

Temp: 73 °C

Axial Tilt: 7.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.58 AU - 0.78 AU

Year: 243 Days

Day: 46 Hours

Environment

Temp: 15 °C

Axial Tilt: 32.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.69 AU - 0.77 AU

Year: 270 Days

Day: 48 Hours

Environment

Temp: -2 °C

Axial Tilt: 39.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.36 AU - 2.44 AU

Year: 1612 Days

Day: 41.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,990,451 km

• M1: 615,146 km (0.076 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.26 AU - 2.96 AU

Year: 1828 Days

Day: 44.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,990,451 km

• M1: 1,443,919 km (0.08 R)

Asteroid Belt

Center: 3.26 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.5

Radius: 13.1

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.87 AU - 3.95 AU

Year: 3351 Days

Day: 11.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,990,451 km

• M1: 162,912 km (0.1 R)
• M2: 659,427 km (0.08 R)
• M3: 1,316,012 km (0.101 R)
• M4: 2,075,222 km (0.084 R)
• M5: 2,702,336 km (0.085 R)
• M6: 3,177,309 km (0.105 R)
• M7: 3,652,432 km (0.078 R)
• M8: 4,529,524 km (0.109 R)
• M9: 5,111,011 km (0.078 R)
• M10: 5,818,011 km (0.094 R)
• M11: 9,142,973 km (0.1 R)
• M12: 10,564,153 km (0.101 R)
• M13: 12,086,012 km (0.083 R)
• M14: 12,768,777 km (0.03 R)
• M15: 13,612,957 km (0.068 R)
• M16: 15,069,592 km (0.113 R)
• M17: 16,994,019 km (0.098 R)
• M18: 18,070,376 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.4

Radius: 14.6

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.12 AU - 5.94 AU

Year: 4890 Days

Day: 10.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,990,451 km

• M1: 182,061 km (0.03 R)
• M2: 654,191 km (0.091 R)
• M3: 1,536,520 km (0.053 R)
• M4: 2,612,428 km (0.037 R)
• M5: 3,447,633 km (0.106 R)
• M6: 3,917,519 km (0.093 R)
• M7: 4,628,259 km (0.079 R)
• M8: 5,148,860 km (0.118 R)
• M9: 5,650,760 km (0.087 R)
• M10: 7,671,977 km (0.117 R)
• M11: 9,223,756 km (0.1 R)
• M12: 10,052,827 km (0.115 R)
• M13: 10,573,877 km (0.109 R)
• M14: 13,716,629 km (0.062 R)
• M15: 14,196,090 km (0.049 R)
• M16: 14,742,122 km (0.041 R)
• M17: 15,644,796 km (0.056 R)
• M18: 17,436,529 km (0.076 R)
• M19: 18,769,895 km (0.045 R)
• M20: 20,860,825 km (0.072 R)
• M21: 21,998,965 km (0.04 R)
• M22: 25,104,019 km (0.113 R)
• M23: 25,742,353 km (0.111 R)
• M24: 28,404,746 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.2

Radius: 11.7

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.47 AU - 8.11 AU

Year: 8532 Days

Day: 14.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,990,451 km

• M1: 153,936 km (0.075 R)
• M2: 825,631 km (0.115 R)
• M3: 1,462,469 km (0.061 R)
• M4: 1,837,810 km (0.117 R)
• M5: 2,294,532 km (0.097 R)
• M6: 2,882,452 km (0.059 R)
• M7: 3,504,181 km (0.09 R)
• M8: 3,951,478 km (0.027 R)
• M9: 5,043,991 km (0.108 R)
• M10: 5,646,123 km (0.102 R)
• M11: 6,891,376 km (0.097 R)
• M12: 8,507,182 km (0.12 R)
• M13: 10,362,345 km (0.096 R)
• M14: 11,675,216 km (0.111 R)
• M15: 12,321,030 km (0.051 R)
• M16: 14,685,425 km (0.065 R)
• M17: 21,595,500 km (0.101 R)
• M18: 23,965,429 km (0.09 R)
• M19: 28,766,923 km (0.099 R)
• M20: 29,216,464 km (0.052 R)
• M21: 30,967,657 km (0.103 R)
• M22: 31,821,113 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.3

Radius: 5.8

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 12.66 AU - 13.86 AU

Year: 20930 Days

Day: 19.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,990,451 km

• M1: 72,555 km (0.088 R)
• M2: 380,278 km (0.039 R)
• M3: 1,557,912 km (0.117 R)
• M4: 1,916,648 km (0.099 R)
• M5: 2,098,709 km (0.118 R)
• M6: 2,882,751 km (0.116 R)
• M7: 3,259,438 km (0.084 R)
• M8: 4,192,630 km (0.086 R)
• M9: 5,586,433 km (0.051 R)
• M10: 5,960,727 km (0.06 R)
• M11: 6,497,933 km (0.066 R)
• M12: 7,105,899 km (0.067 R)
• M13: 7,834,440 km (0.112 R)
• M14: 8,045,373 km (0.053 R)
• M15: 9,250,534 km (0.117 R)
• M16: 18,348,029 km (0.108 R)
• M17: 19,403,592 km (0.085 R)
• M18: 23,417,003 km (0.091 R)
• M19: 28,642,756 km (0.11 R)
• M20: 36,670,776 km (0.116 R)
• M21: 38,705,756 km (0.074 R)
• M22: 38,950,050 km (0.085 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 15,441 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit