🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.65 AU - 0.83 AU

Year: 225 Days

Day: 26 Hours

Environment

Temp: 176 °C

Axial Tilt: 8.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.71 AU - 0.97 AU

Year: 272 Days

Day: 14.9 Hours

Environment

Temp: 169 °C

Axial Tilt: 32.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.73 AU - 1.21 AU

Year: 337 Days

Day: 33.3 Hours

Environment

Temp: 140 °C

Axial Tilt: 22.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.05 AU - 1.11 AU

Year: 396 Days

Day: 19.8 Hours

Environment

Temp: 40 °C

Axial Tilt: 18.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 73,496,436 km

• M1: 27,975 km (0.061 R)
• M2: 413,339 km (0.082 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.18 AU - 1.6 AU

Year: 579 Days

Day: 40 Hours

Environment

Temp: 1 °C

Axial Tilt: 7.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.13 AU - 1.67 AU

Year: 585 Days

Day: 25.1 Hours

Environment

Temp: -6 °C

Axial Tilt: 4.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 7 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.75 AU - 1.99 AU

Year: 903 Days

Day: 17.5 Hours

Environment

Temp: -57 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 73,496,436 km

• M1: 28,274 km (0.068 R)
• M2: 306,376 km (0.09 R)

Planet 8 - Terrestrial

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.39 AU - 5.45 AU

Year: 3853 Days

Day: 12.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,496,436 km

• M1: 1,038,209 km (0.115 R)

Asteroid Belt

Center: 5.38 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.7

Radius: 10.7

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.82 AU - 5.86 AU

Year: 4983 Days

Day: 14.4 Hours

Environment

Temp: -131 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,496,436 km

• M1: 133,142 km (0.083 R)
• M2: 515,963 km (0.104 R)
• M3: 959,521 km (0.111 R)
• M4: 1,403,527 km (0.057 R)
• M5: 2,053,979 km (0.117 R)
• M6: 2,401,046 km (0.116 R)
• M7: 3,644,952 km (0.075 R)
• M8: 4,252,768 km (0.063 R)
• M9: 4,694,680 km (0.068 R)
• M10: 5,875,905 km (0.081 R)
• M11: 6,456,794 km (0.107 R)
• M12: 6,942,239 km (0.103 R)
• M13: 7,347,948 km (0.096 R)
• M14: 9,132,052 km (0.091 R)
• M15: 12,324,621 km (0.093 R)
• M16: 15,103,999 km (0.049 R)
• M17: 17,646,864 km (0.043 R)
• M18: 20,052,697 km (0.099 R)
• M19: 22,012,878 km (0.069 R)
• M20: 23,716,199 km (0.101 R)
• M21: 29,176,671 km (0.053 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.7

Radius: 7.6

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 14.92 AU - 18.68 AU

Year: 24314 Days

Day: 22.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,496,436 km

• M1: 103,223 km (0.11 R)
• M2: 529,726 km (0.101 R)
• M3: 1,476,082 km (0.092 R)
• M4: 1,758,224 km (0.054 R)
• M5: 2,954,109 km (0.045 R)
• M6: 3,576,586 km (0.062 R)
• M7: 5,227,847 km (0.073 R)
• M8: 7,522,379 km (0.104 R)
• M9: 11,588,599 km (0.099 R)
• M10: 13,545,489 km (0.049 R)
• M11: 17,843,436 km (0.07 R)
• M12: 18,101,043 km (0.102 R)
• M13: 18,977,836 km (0.071 R)
• M14: 22,369,370 km (0.073 R)
• M15: 22,769,544 km (0.085 R)
• M16: 25,056,147 km (0.087 R)
• M17: 27,950,866 km (0.103 R)
• M18: 31,559,017 km (0.114 R)
• M19: 31,810,042 km (0.118 R)
• M20: 38,385,318 km (0.114 R)
• M21: 44,854,977 km (0.081 R)
• M22: 46,133,889 km (0.103 R)
• M23: 46,945,308 km (0.028 R)
• M24: 49,606,056 km (0.116 R)
• M25: 53,248,614 km (0.032 R)
• M26: 55,956,934 km (0.117 R)
• M27: 58,566,370 km (0.115 R)
• M28: 65,239,033 km (0.087 R)

Kuiper Belt

Range: 31.1 - 60.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 12,241 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit