🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.46 AU - 0.74 AU

Year: 296 Days

Day: 13.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,322,104 km

• M1: 105,466 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.6

Radius: 12.4

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.8 AU - 1.24 AU

Year: 655 Days

Day: 10.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,322,104 km

• M1: 154,235 km (0.063 R)
• M2: 593,156 km (0.082 R)
• M3: 1,141,432 km (0.043 R)
• M4: 1,766,003 km (0.112 R)
• M5: 2,212,553 km (0.046 R)
• M6: 2,599,562 km (0.102 R)
• M7: 3,170,128 km (0.09 R)
• M8: 4,182,158 km (0.07 R)
• M9: 4,696,476 km (0.08 R)
• M10: 5,756,077 km (0.072 R)
• M11: 8,197,515 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.2

Radius: 12.7

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.51 AU - 2.01 AU

Year: 1485 Days

Day: 9.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,322,104 km

• M1: 157,975 km (0.116 R)
• M2: 937,829 km (0.073 R)
• M3: 1,385,127 km (0.117 R)
• M4: 1,828,236 km (0.058 R)
• M5: 2,592,531 km (0.063 R)
• M6: 3,332,592 km (0.102 R)
• M7: 3,921,858 km (0.09 R)
• M8: 4,579,939 km (0.062 R)
• M9: 5,524,649 km (0.106 R)
• M10: 6,684,482 km (0.079 R)
• M11: 7,924,648 km (0.087 R)
• M12: 8,573,005 km (0.076 R)
• M13: 9,654,897 km (0.038 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.8

Radius: 6.8

Gravity: 20.93 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.07 AU - 7.61 AU

Year: 10150 Days

Day: 25 Hours

Environment

Temp: -219 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,322,104 km

• M1: 84,672 km (0.109 R)
• M2: 302,636 km (0.061 R)
• M3: 601,383 km (0.064 R)
• M4: 834,307 km (0.114 R)
• M5: 1,380,190 km (0.047 R)
• M6: 1,861,895 km (0.083 R)
• M7: 2,944,684 km (0.116 R)
• M8: 4,189,638 km (0.093 R)
• M9: 5,398,389 km (0.099 R)
• M10: 7,194,910 km (0.08 R)
• M11: 8,912,892 km (0.09 R)
• M12: 12,762,344 km (0.077 R)
• M13: 15,326,003 km (0.09 R)
• M14: 19,089,586 km (0.071 R)
• M15: 20,753,264 km (0.088 R)
• M16: 25,625,666 km (0.112 R)
• M17: 30,318,851 km (0.078 R)
• M18: 35,677,147 km (0.053 R)
• M19: 51,602,738 km (0.112 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 15,221 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit