🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.52 AU - 0.6 AU

Year: 275 Days

Day: 36.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,422,051 km

• M1: 148,551 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.5

Radius: 14.3

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.74 AU - 0.86 AU

Year: 469 Days

Day: 8.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,422,051 km

• M1: 178,021 km (0.11 R)
• M2: 706,850 km (0.097 R)
• M3: 1,189,453 km (0.119 R)
• M4: 1,692,401 km (0.104 R)
• M5: 2,332,680 km (0.12 R)

Asteroid Belt

Center: 1.12 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.5

Radius: 10

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.41 AU - 1.47 AU

Year: 1134 Days

Day: 8.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,422,051 km

• M1: 124,316 km (0.112 R)
• M2: 609,761 km (0.115 R)
• M3: 1,106,276 km (0.094 R)
• M4: 1,474,736 km (0.029 R)
• M5: 1,851,872 km (0.049 R)
• M6: 2,189,365 km (0.113 R)
• M7: 2,865,547 km (0.084 R)
• M8: 3,225,928 km (0.083 R)
• M9: 3,573,444 km (0.034 R)
• M10: 4,716,821 km (0.101 R)
• M11: 7,070,893 km (0.111 R)
• M12: 8,130,495 km (0.084 R)
• M13: 9,348,072 km (0.045 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.7

Radius: 4

Gravity: 41.04 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 8.6 AU - 8.68 AU

Year: 16660 Days

Day: 16.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,422,051 km

• M1: 63,429 km (0.064 R)
• M2: 456,573 km (0.095 R)
• M3: 1,257,221 km (0.095 R)
• M4: 3,069,599 km (0.058 R)
• M5: 4,202,653 km (0.12 R)
• M6: 5,108,917 km (0.064 R)
• M7: 6,384,538 km (0.108 R)
• M8: 7,163,045 km (0.116 R)
• M9: 8,854,100 km (0.057 R)
• M10: 10,734,994 km (0.04 R)
• M11: 12,084,516 km (0.047 R)
• M12: 12,799,893 km (0.061 R)
• M13: 17,286,184 km (0.082 R)
• M14: 18,615,809 km (0.101 R)
• M15: 20,281,432 km (0.073 R)
• M16: 24,514,753 km (0.12 R)
• M17: 25,447,645 km (0.071 R)
• M18: 26,727,904 km (0.101 R)
• M19: 30,587,678 km (0.111 R)
• M20: 32,156,511 km (0.108 R)
• M21: 36,112,328 km (0.099 R)
• M22: 49,409,334 km (0.085 R)
• M23: 52,240,324 km (0.072 R)
• M24: 53,609,145 km (0.027 R)
• M25: 58,222,893 km (0.105 R)
• M26: 58,405,402 km (0.105 R)
• M27: 60,065,639 km (0.084 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: 238 - 18,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit