🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.59 AU - 0.81 AU

Year: 222 Days

Day: 47.9 Hours

Environment

Temp: 90 °C

Axial Tilt: 2.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 44,136,840 km

• M1: 281,543 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.11 AU - 1.31 AU

Year: 504 Days

Day: 37.1 Hours

Environment

Temp: -19 °C

Axial Tilt: 21.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 44,136,840 km

• M1: 159,621 km (0.094 R)
• M2: 424,110 km (0.065 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.15 AU - 1.29 AU

Year: 510 Days

Day: 12.5 Hours

Environment

Temp: -35 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.16 AU - 1.82 AU

Year: 689 Days

Day: 16.1 Hours

Environment

Temp: -55 °C

Axial Tilt: 45.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.8 AU - 2 AU

Year: 992 Days

Day: 19.6 Hours

Environment

Temp: -82 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.15 AU - 2.75 AU

Year: 1452 Days

Day: 19.5 Hours

Environment

Temp: -86 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.98 AU - 3.44 AU

Year: 2178 Days

Day: 26.1 Hours

Environment

Temp: -107 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.94 AU - 4.8 AU

Year: 2883 Days

Day: 19.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 42 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.21 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 12.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 111.1

Radius: 4.9

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 9.59 AU - 15.49 AU

Year: 16819 Days

Day: 19.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 154.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,136,840 km

• M1: 71,508 km (0.088 R)
• M2: 402,717 km (0.097 R)
• M3: 1,259,016 km (0.103 R)
• M4: 1,511,537 km (0.063 R)
• M5: 2,894,270 km (0.057 R)
• M6: 3,795,896 km (0.104 R)
• M7: 3,966,737 km (0.045 R)
• M8: 4,142,664 km (0.059 R)
• M9: 7,602,564 km (0.077 R)
• M10: 10,103,541 km (0.103 R)
• M11: 10,575,672 km (0.072 R)
• M12: 12,883,817 km (0.096 R)
• M13: 13,215,027 km (0.116 R)
• M14: 15,016,933 km (0.116 R)
• M15: 15,507,315 km (0.116 R)
• M16: 23,865,648 km (0.042 R)
• M17: 26,609,721 km (0.115 R)
• M18: 29,461,805 km (0.1 R)
• M19: 30,912,306 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.7

Radius: 4.1

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 12.47 AU - 19.11 AU

Year: 23764 Days

Day: 19 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,136,840 km

• M1: 57,595 km (0.12 R)
• M2: 348,563 km (0.084 R)
• M3: 566,677 km (0.112 R)
• M4: 1,678,937 km (0.025 R)
• M5: 2,006,706 km (0.058 R)
• M6: 2,586,547 km (0.079 R)
• M7: 3,857,830 km (0.118 R)
• M8: 4,569,916 km (0.092 R)
• M9: 6,839,764 km (0.095 R)
• M10: 7,187,579 km (0.048 R)
• M11: 8,129,747 km (0.11 R)
• M12: 9,669,109 km (0.056 R)
• M13: 14,097,206 km (0.067 R)
• M14: 19,865,550 km (0.053 R)
• M15: 20,334,839 km (0.074 R)
• M16: 21,214,324 km (0.12 R)
• M17: 21,869,713 km (0.12 R)
• M18: 24,626,353 km (0.097 R)
• M19: 24,986,285 km (0.05 R)
• M20: 27,994,399 km (0.103 R)
• M21: 31,340,156 km (0.117 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 432 - 11,589 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit