🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.43 AU - 0.67 AU

Year: 156 Days

Day: 40.7 Hours

Environment

Temp: 187 °C

Axial Tilt: 20.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 26,872,050 km

• M1: 44,431 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.77 AU - 0.85 AU

Year: 279 Days

Day: 25.5 Hours

Environment

Temp: 48 °C

Axial Tilt: 15.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 26,872,050 km

• M1: 517,459 km (0.062 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.8 AU - 0.96 AU

Year: 316 Days

Day: 32 Hours

Environment

Temp: 26 °C

Axial Tilt: 33.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 26,872,050 km

• M1: 274,362 km (0.048 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.74 AU - 1.98 AU

Year: 971 Days

Day: 23 Hours

Environment

Temp: -84 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.77 AU - 2.33 AU

Year: 1124 Days

Day: 15.6 Hours

Environment

Temp: -86 °C

Axial Tilt: 111.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.5

Radius: 8.8

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.64 AU - 7.66 AU

Year: 5840 Days

Day: 10.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,872,050 km

• M1: 109,506 km (0.071 R)
• M2: 508,633 km (0.077 R)
• M3: 848,070 km (0.094 R)
• M4: 1,204,861 km (0.109 R)
• M5: 3,591,246 km (0.092 R)
• M6: 4,726,844 km (0.114 R)
• M7: 5,459,724 km (0.087 R)
• M8: 6,289,394 km (0.081 R)
• M9: 7,301,423 km (0.101 R)
• M10: 8,502,245 km (0.087 R)
• M11: 9,046,931 km (0.116 R)
• M12: 9,706,508 km (0.099 R)
• M13: 10,624,441 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.2

Radius: 8.6

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 8.77 AU - 11.49 AU

Year: 12345 Days

Day: 10.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,872,050 km

• M1: 149,747 km (0.117 R)
• M2: 639,680 km (0.111 R)
• M3: 1,345,334 km (0.058 R)
• M4: 1,978,731 km (0.075 R)
• M5: 2,885,743 km (0.103 R)
• M6: 3,353,236 km (0.116 R)
• M7: 3,979,902 km (0.092 R)
• M8: 5,548,286 km (0.087 R)
• M9: 6,704,378 km (0.093 R)
• M10: 7,593,887 km (0.093 R)
• M11: 9,485,552 km (0.048 R)
• M12: 9,931,354 km (0.07 R)
• M13: 10,777,928 km (0.113 R)
• M14: 14,436,643 km (0.085 R)
• M15: 16,718,759 km (0.047 R)
• M16: 17,976,129 km (0.11 R)
• M17: 20,077,530 km (0.113 R)
• M18: 25,607,715 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 14,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit