🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.41 AU - 0.67 AU

Year: 149 Days

Day: 29.8 Hours

Environment

Temp: 222 °C

Axial Tilt: 46.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.86 AU - 0.94 AU

Year: 320 Days

Day: 37 Hours

Environment

Temp: 19 °C

Axial Tilt: 158.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.99 AU - 1.63 AU

Year: 562 Days

Day: 46.2 Hours

Environment

Temp: -34 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.73 AU - 2.33 AU

Year: 1084 Days

Day: 18.8 Hours

Environment

Temp: -74 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.79 AU - 4.73 AU

Year: 3295 Days

Day: 40.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423

Radius: 9.8

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.76 AU - 6.04 AU

Year: 4065 Days

Day: 6.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,105,420 km

• M1: 121,922 km (0.101 R)
• M2: 560,394 km (0.079 R)
• M3: 907,909 km (0.093 R)
• M4: 1,713,943 km (0.076 R)
• M5: 4,513,218 km (0.109 R)
• M6: 5,586,433 km (0.12 R)
• M7: 6,613,722 km (0.117 R)
• M8: 7,313,092 km (0.104 R)
• M9: 7,927,341 km (0.053 R)
• M10: 9,746,750 km (0.053 R)
• M11: 12,675,428 km (0.103 R)
• M12: 13,466,651 km (0.111 R)
• M13: 16,306,766 km (0.072 R)
• M14: 16,797,597 km (0.075 R)
• M15: 17,130,452 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.3

Radius: 11.1

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 10.22 AU - 13.14 AU

Year: 14959 Days

Day: 5.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,105,420 km

• M1: 138,079 km (0.026 R)
• M2: 886,218 km (0.108 R)
• M3: 1,482,964 km (0.1 R)
• M4: 2,234,095 km (0.085 R)
• M5: 4,231,974 km (0.09 R)
• M6: 7,663,749 km (0.047 R)
• M7: 8,573,604 km (0.106 R)
• M8: 11,192,165 km (0.057 R)
• M9: 11,675,366 km (0.07 R)
• M10: 13,142,472 km (0.072 R)
• M11: 14,586,092 km (0.095 R)
• M12: 17,949,501 km (0.056 R)
• M13: 19,810,947 km (0.12 R)
• M14: 21,519,504 km (0.107 R)
• M15: 23,226,715 km (0.097 R)
• M16: 25,124,813 km (0.076 R)
• M17: 28,440,500 km (0.086 R)
• M18: 29,227,684 km (0.104 R)
• M19: 34,385,370 km (0.103 R)
• M20: 36,978,798 km (0.085 R)
• M21: 44,177,298 km (0.055 R)
• M22: 62,017,592 km (0.118 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 18,255 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit