🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.81 AU - 0.85 AU

Year: 266 Days

Day: 21.6 Hours

Environment

Temp: 116 °C

Axial Tilt: 21.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 27,709,940 km

• M1: 85,271 km (0.062 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.04 AU - 1.16 AU

Year: 405 Days

Day: 42.3 Hours

Environment

Temp: 21 °C

Axial Tilt: 15.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.39 AU - 1.43 AU

Year: 588 Days

Day: 28.1 Hours

Environment

Temp: 2 °C

Axial Tilt: 38.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.02 AU - 3.42 AU

Year: 2031 Days

Day: 12.2 Hours

Environment

Temp: -103 °C

Axial Tilt: 65.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.77 AU - 4.24 AU

Year: 2301 Days

Day: 32 Hours

Environment

Temp: -102 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 27,709,940 km

• M1: 42,187 km (0.063 R)
• M2: 1,021,155 km (0.097 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.57 AU - 3.81 AU

Year: 2491 Days

Day: 26.7 Hours

Environment

Temp: -99 °C

Axial Tilt: 10.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.8

Radius: 12.8

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.66 AU - 7.78 AU

Year: 6123 Days

Day: 12.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,709,940 km

• M1: 163,062 km (0.074 R)
• M2: 591,360 km (0.045 R)
• M3: 1,401,433 km (0.072 R)
• M4: 2,902,049 km (0.042 R)
• M5: 4,682,413 km (0.078 R)
• M6: 5,976,585 km (0.075 R)
• M7: 6,507,807 km (0.112 R)
• M8: 7,134,921 km (0.049 R)
• M9: 7,733,612 km (0.114 R)
• M10: 8,768,380 km (0.095 R)
• M11: 9,377,543 km (0.113 R)
• M12: 17,473,031 km (0.105 R)
• M13: 21,894,995 km (0.119 R)
• M14: 23,017,876 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.8

Radius: 11.1

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.89 AU - 8.61 AU

Year: 8328 Days

Day: 7.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,709,940 km

• M1: 138,976 km (0.063 R)
• M2: 509,680 km (0.088 R)
• M3: 867,668 km (0.103 R)
• M4: 1,221,766 km (0.097 R)
• M5: 2,345,545 km (0.107 R)
• M6: 2,946,180 km (0.092 R)
• M7: 3,605,309 km (0.11 R)
• M8: 5,137,490 km (0.115 R)
• M9: 5,517,618 km (0.095 R)
• M10: 6,396,356 km (0.068 R)
• M11: 6,901,847 km (0.041 R)
• M12: 7,709,975 km (0.071 R)
• M13: 8,137,077 km (0.118 R)
• M14: 8,505,088 km (0.115 R)
• M15: 9,881,837 km (0.12 R)
• M16: 13,475,627 km (0.103 R)
• M17: 15,846,454 km (0.119 R)
• M18: 16,538,493 km (0.094 R)
• M19: 18,672,507 km (0.065 R)
• M20: 19,314,431 km (0.047 R)
• M21: 21,607,916 km (0.058 R)
• M22: 22,603,041 km (0.063 R)
• M23: 25,614,746 km (0.06 R)
• M24: 26,088,522 km (0.086 R)

Kuiper Belt

Range: 31.2 - 55.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 19,342 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit