🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.47 AU - 0.55 AU

Year: 134 Days

Day: 35.2 Hours

Environment

Temp: 221 °C

Axial Tilt: 20.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 38,483,879 km

• M1: 64,626 km (0.088 R)
• M2: 96,939 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.48 AU - 0.7 AU

Year: 167 Days

Day: 12.6 Hours

Environment

Temp: 215 °C

Axial Tilt: 0.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.91 AU - 1.07 AU

Year: 363 Days

Day: 19.5 Hours

Environment

Temp: 14 °C

Axial Tilt: 21 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.75 AU - 1.97 AU

Year: 936 Days

Day: 27.7 Hours

Environment

Temp: -57 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,483,879 km

• M1: 75,248 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.24 AU - 3.73 AU

Year: 1898 Days

Day: 38.9 Hours

Environment

Temp: -114 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,483,879 km

• M1: 62,532 km (0.097 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.87 AU - 4.21 AU

Year: 2996 Days

Day: 42.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 38,483,879 km

• M1: 57,595 km (0.115 R)
• M2: 1,595,910 km (0.119 R)

Asteroid Belt

Center: 6.38 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.7

Radius: 14.7

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.61 AU - 9.83 AU

Year: 9501 Days

Day: 5.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,483,879 km

• M1: 184,903 km (0.074 R)
• M2: 660,475 km (0.067 R)
• M3: 1,191,697 km (0.106 R)
• M4: 2,900,852 km (0.074 R)
• M5: 4,725,198 km (0.115 R)
• M6: 5,211,541 km (0.079 R)
• M7: 5,731,244 km (0.102 R)
• M8: 6,357,610 km (0.094 R)
• M9: 6,952,262 km (0.093 R)
• M10: 7,422,598 km (0.117 R)
• M11: 7,956,213 km (0.097 R)
• M12: 8,559,392 km (0.113 R)
• M13: 17,654,494 km (0.11 R)
• M14: 19,986,126 km (0.119 R)
• M15: 30,958,980 km (0.086 R)
• M16: 40,286,707 km (0.093 R)
• M17: 43,373,509 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.9

Radius: 14.2

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 10.08 AU - 13.06 AU

Year: 14520 Days

Day: 8.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,483,879 km

• M1: 208,539 km (0.069 R)
• M2: 711,188 km (0.118 R)
• M3: 2,579,965 km (0.054 R)
• M4: 4,193,976 km (0.109 R)
• M5: 5,605,432 km (0.068 R)
• M6: 9,188,002 km (0.086 R)
• M7: 9,837,107 km (0.105 R)
• M8: 11,828,704 km (0.084 R)
• M9: 13,044,934 km (0.099 R)
• M10: 17,994,529 km (0.087 R)
• M11: 19,404,041 km (0.062 R)
• M12: 24,919,265 km (0.116 R)
• M13: 26,023,447 km (0.094 R)
• M14: 26,506,499 km (0.111 R)
• M15: 28,499,142 km (0.034 R)

Asteroid Belt

Center: 13.3 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 15.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.7

Radius: 4.8

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 11.36 AU - 18.7 AU

Year: 21499 Days

Day: 24.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,483,879 km

• M1: 116,686 km (0.032 R)
• M2: 323,281 km (0.1 R)
• M3: 682,017 km (0.063 R)
• M4: 832,961 km (0.075 R)
• M5: 1,249,292 km (0.117 R)
• M6: 1,569,880 km (0.108 R)
• M7: 3,727,081 km (0.106 R)
• M8: 7,364,554 km (0.107 R)
• M9: 12,302,031 km (0.078 R)
• M10: 13,070,516 km (0.113 R)
• M11: 13,696,283 km (0.055 R)
• M12: 16,993,720 km (0.068 R)
• M13: 21,871,657 km (0.104 R)
• M14: 25,537,105 km (0.099 R)
• M15: 28,070,993 km (0.086 R)
• M16: 31,266,553 km (0.114 R)
• M17: 32,899,713 km (0.065 R)
• M18: 35,345,788 km (0.111 R)
• M19: 36,003,271 km (0.067 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: 461 - 12,732 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit