🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.49 AU - 0.81 AU

Year: 338 Days

Day: 29.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.7

Radius: 13.2

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.93 AU - 1.07 AU

Year: 646 Days

Day: 12.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 19,360,806 km

• M1: 164,258 km (0.105 R)
• M2: 617,241 km (0.078 R)
• M3: 1,144,125 km (0.054 R)
• M4: 1,775,428 km (0.114 R)
• M5: 2,493,497 km (0.106 R)
• M6: 2,959,495 km (0.1 R)
• M7: 3,422,650 km (0.084 R)
• M8: 4,097,486 km (0.115 R)
• M9: 5,000,907 km (0.099 R)
• M10: 6,032,983 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.4

Radius: 10.2

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.4 AU - 1.44 AU

Year: 1093 Days

Day: 9.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 65.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 19,360,806 km

• M1: 126,859 km (0.115 R)
• M2: 773,122 km (0.062 R)
• M3: 1,153,100 km (0.063 R)
• M4: 2,066,096 km (0.03 R)
• M5: 2,454,751 km (0.072 R)
• M6: 3,208,276 km (0.11 R)
• M7: 3,608,600 km (0.083 R)
• M8: 4,082,227 km (0.109 R)
• M9: 4,787,880 km (0.034 R)
• M10: 5,201,668 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.3

Radius: 12.8

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.61 AU - 1.77 AU

Year: 1419 Days

Day: 10.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,360,806 km

• M1: 159,322 km (0.062 R)
• M2: 870,360 km (0.114 R)
• M3: 1,331,122 km (0.079 R)
• M4: 1,881,941 km (0.097 R)
• M5: 2,701,438 km (0.12 R)
• M6: 3,282,925 km (0.107 R)
• M7: 3,853,641 km (0.12 R)
• M8: 4,576,348 km (0.07 R)
• M9: 5,890,117 km (0.094 R)
• M10: 6,989,512 km (0.059 R)
• M11: 9,054,561 km (0.043 R)
• M12: 9,943,471 km (0.101 R)

Asteroid Belt

Center: 5.65 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12.2

Radius: 4.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 7.42 AU - 11.8 AU

Year: 19235 Days

Day: 16.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 19,360,806 km

• M1: 652,396 km (0.114 R)
• M2: 2,203,128 km (0.084 R)
• M3: 5,783,603 km (0.045 R)
• M4: 15,684,140 km (0.051 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: 217 - 13,395 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit