🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.5 AU - 0.54 AU

Year: 142 Days

Day: 22.1 Hours

Environment

Temp: 154 °C

Axial Tilt: 31.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.4 AU - 0.66 AU

Year: 146 Days

Day: 30.3 Hours

Environment

Temp: 152 °C

Axial Tilt: 1.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 73,499,453 km

• M1: 164,857 km (0.068 R)
• M2: 337,343 km (0.115 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.71 AU - 0.99 AU

Year: 297 Days

Day: 31.8 Hours

Environment

Temp: 48 °C

Axial Tilt: 20.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.96 AU - 1.06 AU

Year: 384 Days

Day: 21.3 Hours

Environment

Temp: 20 °C

Axial Tilt: 11.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 73,499,453 km

• M1: 35,455 km (0.113 R)
• M2: 361,877 km (0.096 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.59 AU - 4.01 AU

Year: 2806 Days

Day: 43.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18

Radius: 11.8

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.16 AU - 6.1 AU

Year: 5060 Days

Day: 9.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,499,453 km

• M1: 146,905 km (0.069 R)
• M2: 569,070 km (0.064 R)
• M3: 1,362,687 km (0.063 R)
• M4: 1,919,789 km (0.11 R)
• M5: 2,625,293 km (0.035 R)
• M6: 3,160,853 km (0.116 R)
• M7: 5,460,472 km (0.075 R)
• M8: 6,988,315 km (0.108 R)
• M9: 7,851,345 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457

Radius: 6.5

Gravity: 10.82 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 13.21 AU - 17.91 AU

Year: 23247 Days

Day: 18.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,499,453 km

• M1: 381,624 km (0.112 R)
• M2: 633,697 km (0.064 R)
• M3: 1,095,804 km (0.11 R)
• M4: 1,641,238 km (0.118 R)
• M5: 2,004,312 km (0.091 R)
• M6: 2,554,982 km (0.115 R)
• M7: 3,477,851 km (0.034 R)
• M8: 3,983,642 km (0.053 R)
• M9: 4,270,570 km (0.056 R)
• M10: 5,215,281 km (0.076 R)
• M11: 5,677,239 km (0.042 R)
• M12: 9,148,508 km (0.066 R)
• M13: 10,887,883 km (0.062 R)
• M14: 13,393,198 km (0.084 R)
• M15: 18,091,469 km (0.105 R)
• M16: 18,968,412 km (0.098 R)
• M17: 22,261,510 km (0.084 R)
• M18: 24,621,416 km (0.099 R)
• M19: 33,598,784 km (0.097 R)
• M20: 36,693,067 km (0.048 R)
• M21: 37,249,870 km (0.042 R)
• M22: 42,977,673 km (0.099 R)
• M23: 48,427,224 km (0.111 R)
• M24: 53,603,011 km (0.115 R)
• M25: 54,140,068 km (0.038 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 12,337 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit