🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.65 AU - 0.85 AU

Year: 246 Days

Day: 36.9 Hours

Environment

Temp: 107 °C

Axial Tilt: 26.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 9,240,084 km

• M1: 162,164 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.63 AU - 0.91 AU

Year: 256 Days

Day: 43.4 Hours

Environment

Temp: 130 °C

Axial Tilt: 46.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.06 AU - 1.22 AU

Year: 461 Days

Day: 15.7 Hours

Environment

Temp: -15 °C

Axial Tilt: 47.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 9,240,084 km

• M1: 96,491 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.81 AU - 2.73 AU

Year: 1295 Days

Day: 39.5 Hours

Environment

Temp: -84 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 9,240,084 km

• M1: 1,075,010 km (0.103 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.84 AU - 2.78 AU

Year: 1330 Days

Day: 34.6 Hours

Environment

Temp: -99 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.07 AU - 2.75 AU

Year: 1417 Days

Day: 32.8 Hours

Environment

Temp: -87 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 9,240,084 km

• M1: 1,613,114 km (0.102 R)
• M2: 2,164,980 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.9

Radius: 11.7

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.68 AU - 5.84 AU

Year: 5236 Days

Day: 6.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 9,240,084 km

• M1: 192,832 km (0.065 R)
• M2: 306,825 km (0.049 R)
• M3: 504,743 km (0.096 R)
• M4: 611,706 km (0.096 R)
• M5: 822,788 km (0.085 R)
• M6: 922,570 km (0.116 R)
• M7: 1,135,597 km (0.063 R)
• M8: 1,358,199 km (0.086 R)
• M9: 1,753,437 km (0.085 R)
• M10: 2,093,622 km (0.062 R)
• M11: 2,335,073 km (0.109 R)
• M12: 2,550,644 km (0.115 R)
• M13: 3,179,404 km (0.116 R)
• M14: 3,467,679 km (0.084 R)
• M15: 3,946,541 km (0.11 R)
• M16: 4,028,371 km (0.096 R)
• M17: 4,131,594 km (0.047 R)
• M18: 4,499,754 km (0.108 R)
• M19: 4,660,722 km (0.078 R)
• M20: 5,233,981 km (0.109 R)
• M21: 5,414,845 km (0.094 R)
• M22: 5,713,292 km (0.107 R)
• M23: 6,278,473 km (0.053 R)
• M24: 6,422,536 km (0.086 R)
• M25: 6,519,326 km (0.046 R)
• M26: 6,935,656 km (0.09 R)
• M27: 7,386,096 km (0.112 R)
• M28: 8,105,512 km (0.12 R)
• M29: 8,394,385 km (0.081 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 18,316 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit