🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.61 AU - 0.93 AU

Year: 246 Days

Day: 15.2 Hours

Environment

Temp: 137 °C

Axial Tilt: 5.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 74,288,970 km

• M1: 650,601 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.06 AU - 1.42 AU

Year: 502 Days

Day: 44 Hours

Environment

Temp: -10 °C

Axial Tilt: 28.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.27 AU - 1.31 AU

Year: 532 Days

Day: 47.2 Hours

Environment

Temp: 11 °C

Axial Tilt: 11.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 74,288,970 km

• M1: 39,943 km (0.049 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.98 AU - 1.62 AU

Year: 539 Days

Day: 35.1 Hours

Environment

Temp: 12 °C

Axial Tilt: 6.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 74,288,970 km

• M1: 34,856 km (0.075 R)
• M2: 443,857 km (0.036 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.1 AU - 1.56 AU

Year: 557 Days

Day: 45.2 Hours

Environment

Temp: -5 °C

Axial Tilt: 23.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 74,288,970 km

• M1: 297,849 km (0.116 R)
• M2: 372,499 km (0.117 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.31 AU - 2.13 AU

Year: 820 Days

Day: 47.6 Hours

Environment

Temp: -52 °C

Axial Tilt: 44.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 74,288,970 km

• M1: 53,107 km (0.107 R)
• M2: 98,136 km (0.111 R)

Asteroid Belt

Center: 9.73 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 17.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346.4

Radius: 3.1

Gravity: 36.05 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 13.79 AU - 21.67 AU

Year: 27133 Days

Day: 16.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 74,288,970 km

• M1: 48,919 km (0.062 R)
• M2: 160,519 km (0.096 R)
• M3: 260,300 km (0.079 R)
• M4: 384,317 km (0.068 R)
• M5: 589,116 km (0.094 R)
• M6: 736,022 km (0.097 R)
• M7: 1,117,197 km (0.047 R)
• M8: 1,451,847 km (0.103 R)
• M9: 2,359,308 km (0.071 R)
• M10: 3,891,789 km (0.028 R)
• M11: 4,342,078 km (0.089 R)
• M12: 5,155,891 km (0.047 R)
• M13: 5,860,048 km (0.037 R)
• M14: 6,277,575 km (0.115 R)
• M15: 6,849,787 km (0.078 R)
• M16: 10,906,134 km (0.099 R)
• M17: 13,861,739 km (0.075 R)
• M18: 14,154,203 km (0.044 R)
• M19: 15,521,826 km (0.106 R)
• M20: 18,428,363 km (0.092 R)
• M21: 18,604,590 km (0.097 R)
• M22: 23,591,883 km (0.101 R)
• M23: 28,568,556 km (0.03 R)
• M24: 36,925,691 km (0.079 R)
• M25: 37,912,439 km (0.073 R)
• M26: 38,484,052 km (0.108 R)
• M27: 44,837,623 km (0.06 R)
• M28: 45,316,486 km (0.084 R)
• M29: 48,596,270 km (0.039 R)
• M30: 59,955,236 km (0.084 R)

Kuiper Belt

Range: 30.2 - 50.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 263 - 11,473 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit