🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.58 AU - 0.72 AU

Year: 193 Days

Day: 27.6 Hours

Environment

Temp: 132 °C

Axial Tilt: 45.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.54 AU - 0.84 AU

Year: 211 Days

Day: 16.6 Hours

Environment

Temp: 139 °C

Axial Tilt: 2.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.14 AU - 1.34 AU

Year: 509 Days

Day: 47.7 Hours

Environment

Temp: -17 °C

Axial Tilt: 141.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.02 AU - 2.4 AU

Year: 1212 Days

Day: 14.6 Hours

Environment

Temp: -72 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 11,540,028 km

• M1: 1,204,113 km (0.11 R)

Asteroid Belt

Center: 3.62 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.4

Radius: 13.7

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.91 AU - 6.13 AU

Year: 4150 Days

Day: 12.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 90.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 11,540,028 km

• M1: 171,439 km (0.049 R)
• M2: 668,254 km (0.116 R)
• M3: 1,355,506 km (0.117 R)
• M4: 3,784,976 km (0.107 R)
• M5: 5,917,643 km (0.081 R)
• M6: 7,091,986 km (0.099 R)
• M7: 9,316,806 km (0.094 R)
• M8: 10,474,394 km (0.034 R)
• M9: 11,105,099 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.9

Radius: 9.8

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.3 AU - 6.32 AU

Year: 4515 Days

Day: 10.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 86.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 11,540,028 km

• M1: 121,922 km (0.12 R)
• M2: 430,094 km (0.058 R)
• M3: 926,160 km (0.085 R)
• M4: 1,240,466 km (0.055 R)
• M5: 3,115,076 km (0.051 R)
• M6: 3,988,130 km (0.1 R)
• M7: 4,473,126 km (0.03 R)
• M8: 4,805,233 km (0.071 R)
• M9: 7,384,450 km (0.044 R)
• M10: 7,823,669 km (0.068 R)
• M11: 8,613,247 km (0.085 R)
• M12: 9,666,266 km (0.078 R)
• M13: 11,000,679 km (0.041 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 13,818 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit