🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.15 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.25 AU - 2.33 AU

Year: 1285 Days

Day: 27.3 Hours

Environment

Temp: -78 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.25 AU - 3.21 AU

Year: 1673 Days

Day: 32.3 Hours

Environment

Temp: -109 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,693,477 km

• M1: 1,850,077 km (0.102 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.7 AU - 4.16 AU

Year: 2356 Days

Day: 38.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.94 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 12.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987

Radius: 6.2

Gravity: 25.68 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 9.62 AU - 15.28 AU

Year: 16291 Days

Day: 23 Hours

Environment

Temp: -191 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 21,693,477 km

• M1: 77,193 km (0.113 R)
• M2: 407,355 km (0.096 R)
• M3: 780,452 km (0.083 R)
• M4: 1,828,834 km (0.093 R)
• M5: 3,658,865 km (0.091 R)
• M6: 4,941,666 km (0.097 R)
• M7: 6,587,093 km (0.076 R)
• M8: 6,900,501 km (0.108 R)
• M9: 7,130,583 km (0.116 R)
• M10: 9,835,761 km (0.117 R)
• M11: 10,727,813 km (0.069 R)
• M12: 11,608,047 km (0.06 R)
• M13: 16,251,265 km (0.06 R)
• M14: 17,325,528 km (0.107 R)
• M15: 25,106,263 km (0.081 R)
• M16: 26,427,212 km (0.059 R)
• M17: 27,909,727 km (0.119 R)
• M18: 28,849,201 km (0.102 R)
• M19: 30,175,087 km (0.065 R)
• M20: 33,077,735 km (0.111 R)
• M21: 36,855,979 km (0.1 R)
• M22: 37,277,097 km (0.068 R)
• M23: 38,704,111 km (0.077 R)
• M24: 42,276,657 km (0.08 R)
• M25: 44,458,991 km (0.106 R)
• M26: 49,216,203 km (0.092 R)
• M27: 51,280,056 km (0.112 R)
• M28: 53,760,089 km (0.098 R)
• M29: 65,091,978 km (0.092 R)
• M30: 65,296,628 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.6

Radius: 7

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 11.04 AU - 16.04 AU

Year: 18477 Days

Day: 21.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,693,477 km

• M1: 87,216 km (0.11 R)
• M2: 389,553 km (0.107 R)
• M3: 958,922 km (0.09 R)
• M4: 1,291,478 km (0.085 R)
• M5: 1,769,144 km (0.103 R)
• M6: 2,551,990 km (0.056 R)
• M7: 2,771,749 km (0.072 R)
• M8: 5,162,024 km (0.111 R)
• M9: 7,154,069 km (0.119 R)
• M10: 10,222,621 km (0.096 R)
• M11: 11,191,118 km (0.064 R)
• M12: 18,553,427 km (0.074 R)
• M13: 21,179,019 km (0.118 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 11,126 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit