🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.47 AU - 0.73 AU

Year: 176 Days

Day: 16.3 Hours

Environment

Temp: 198 °C

Axial Tilt: 37.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 89,794,209 km

• M1: 48,320 km (0.118 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.61 AU - 0.63 AU

Year: 185 Days

Day: 38.8 Hours

Environment

Temp: 142 °C

Axial Tilt: 5.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.8 AU - 0.92 AU

Year: 302 Days

Day: 46.8 Hours

Environment

Temp: 19 °C

Axial Tilt: 5.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.75 AU - 0.99 AU

Year: 307 Days

Day: 32.8 Hours

Environment

Temp: 35 °C

Axial Tilt: 35.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 89,794,209 km

• M1: 360,980 km (0.055 R)

Planet 5 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.81 AU - 1.17 AU

Year: 373 Days

Day: 44 Hours

Environment

Temp: 29 °C

Axial Tilt: 43.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 89,794,209 km

• M1: 35,305 km (0.079 R)

Asteroid Belt

Center: 8.42 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 15.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.9

Radius: 7.7

Gravity: 13.32 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 14.54 AU - 17.14 AU

Year: 23877 Days

Day: 22.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 89,794,209 km

• M1: 97,538 km (0.11 R)
• M2: 449,542 km (0.119 R)
• M3: 750,682 km (0.059 R)
• M4: 1,600,697 km (0.059 R)
• M5: 2,107,385 km (0.089 R)
• M6: 2,541,967 km (0.106 R)
• M7: 3,035,042 km (0.076 R)
• M8: 4,713,380 km (0.056 R)
• M9: 5,498,919 km (0.117 R)
• M10: 6,414,607 km (0.055 R)
• M11: 6,836,772 km (0.104 R)
• M12: 7,079,121 km (0.109 R)
• M13: 8,713,328 km (0.118 R)
• M14: 10,202,874 km (0.111 R)
• M15: 11,785,619 km (0.044 R)
• M16: 12,490,973 km (0.028 R)
• M17: 13,224,302 km (0.098 R)
• M18: 22,100,093 km (0.09 R)
• M19: 27,437,745 km (0.076 R)
• M20: 34,277,809 km (0.09 R)
• M21: 34,846,730 km (0.089 R)
• M22: 37,334,991 km (0.077 R)
• M23: 39,315,966 km (0.102 R)
• M24: 43,818,712 km (0.092 R)
• M25: 44,152,914 km (0.12 R)
• M26: 46,713,730 km (0.11 R)
• M27: 47,588,878 km (0.064 R)
• M28: 51,569,827 km (0.117 R)
• M29: 52,129,323 km (0.086 R)
• M30: 68,585,238 km (0.087 R)
• M31: 69,261,869 km (0.11 R)
• M32: 72,711,746 km (0.111 R)
• M33: 78,221,735 km (0.082 R)
• M34: 80,952,494 km (0.063 R)
• M35: 81,961,083 km (0.085 R)
• M36: 88,722,159 km (0.056 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 16,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit