🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.5 AU - 0.83 AU

Year: 197 Days

Day: 19.1 Hours

Environment

Temp: 213 °C

Axial Tilt: 4.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.77 AU - 0.95 AU

Year: 293 Days

Day: 23 Hours

Environment

Temp: 125 °C

Axial Tilt: 28.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.3 AU - 1.44 AU

Year: 589 Days

Day: 36 Hours

Environment

Temp: -31 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.43 AU - 4.61 AU

Year: 2959 Days

Day: 16.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.74 AU - 4.42 AU

Year: 3025 Days

Day: 32.6 Hours

Environment

Temp: -117 °C

Axial Tilt: 65.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 29,121,402 km

• M1: 40,691 km (0.081 R)
• M2: 1,328,279 km (0.084 R)

Asteroid Belt

Center: 5.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.4

Radius: 8.3

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.83 AU - 7.85 AU

Year: 8058 Days

Day: 5.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,121,402 km

• M1: 104,270 km (0.038 R)
• M2: 401,521 km (0.043 R)
• M3: 1,218,325 km (0.036 R)
• M4: 1,729,800 km (0.032 R)
• M5: 2,269,848 km (0.08 R)
• M6: 3,255,848 km (0.12 R)
• M7: 3,578,231 km (0.094 R)
• M8: 4,311,111 km (0.065 R)
• M9: 4,626,015 km (0.038 R)
• M10: 5,302,048 km (0.118 R)
• M11: 6,593,975 km (0.101 R)
• M12: 7,313,391 km (0.063 R)
• M13: 7,833,094 km (0.117 R)
• M14: 8,830,613 km (0.109 R)
• M15: 9,260,407 km (0.117 R)
• M16: 12,233,815 km (0.12 R)
• M17: 15,283,966 km (0.113 R)
• M18: 20,996,061 km (0.083 R)
• M19: 25,558,647 km (0.049 R)
• M20: 27,406,779 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.5

Radius: 7

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 12.07 AU - 12.77 AU

Year: 16068 Days

Day: 19.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,121,402 km

• M1: 116,986 km (0.051 R)
• M2: 1,065,436 km (0.104 R)
• M3: 5,323,739 km (0.067 R)
• M4: 5,578,056 km (0.098 R)
• M5: 6,295,976 km (0.112 R)
• M6: 9,625,127 km (0.092 R)
• M7: 10,174,450 km (0.05 R)
• M8: 13,342,185 km (0.116 R)
• M9: 15,176,704 km (0.078 R)
• M10: 15,631,631 km (0.08 R)
• M11: 22,402,132 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 11,752 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit