🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.21 AU - 1.53 AU

Year: 580 Days

Day: 37.9 Hours

Environment

Temp: -22 °C

Axial Tilt: 29.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.53 AU - 1.99 AU

Year: 844 Days

Day: 37.2 Hours

Environment

Temp: -43 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.53 AU - 2.45 AU

Year: 1015 Days

Day: 32 Hours

Environment

Temp: -64 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,490,091 km

• M1: 30,518 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.54 AU - 2.46 AU

Year: 1023 Days

Day: 36.9 Hours

Environment

Temp: -71 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.92 AU - 5.6 AU

Year: 3756 Days

Day: 20.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.1

Radius: 10.7

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.98 AU - 5.34 AU

Year: 4239 Days

Day: 9 Hours

Environment

Temp: -136 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,490,091 km

• M1: 133,142 km (0.12 R)
• M2: 581,337 km (0.118 R)
• M3: 1,021,155 km (0.099 R)
• M4: 1,398,890 km (0.111 R)
• M5: 2,145,383 km (0.088 R)
• M6: 2,744,074 km (0.118 R)
• M7: 3,196,458 km (0.118 R)
• M8: 3,935,471 km (0.052 R)
• M9: 4,809,871 km (0.08 R)
• M10: 5,751,589 km (0.066 R)
• M11: 6,748,061 km (0.112 R)
• M12: 7,170,974 km (0.1 R)
• M13: 7,680,654 km (0.091 R)
• M14: 8,178,216 km (0.039 R)
• M15: 9,841,894 km (0.079 R)
• M16: 11,308,851 km (0.118 R)
• M17: 14,245,158 km (0.11 R)
• M18: 15,775,395 km (0.065 R)
• M19: 17,112,201 km (0.092 R)
• M20: 18,776,178 km (0.028 R)
• M21: 21,227,938 km (0.115 R)
• M22: 21,574,855 km (0.049 R)
• M23: 23,514,242 km (0.095 R)
• M24: 24,717,009 km (0.1 R)

Kuiper Belt

Range: 30.3 - 50.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 13,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit