🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.12 AU - 1.16 AU

Year: 434 Days

Day: 22.8 Hours

Environment

Temp: 31 °C

Axial Tilt: 8.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 33,144,168 km

• M1: 669,750 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.8 AU - 4.38 AU

Year: 2948 Days

Day: 27.2 Hours

Environment

Temp: -111 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,144,168 km

• M1: 534,064 km (0.069 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.76 AU - 5.62 AU

Year: 3620 Days

Day: 20.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.9

Radius: 10.8

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.39 AU - 8.63 AU

Year: 8081 Days

Day: 11.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,144,168 km

• M1: 134,339 km (0.088 R)
• M2: 579,542 km (0.107 R)
• M3: 970,441 km (0.086 R)
• M4: 1,420,581 km (0.092 R)
• M5: 1,934,300 km (0.075 R)
• M6: 2,660,299 km (0.049 R)
• M7: 3,317,183 km (0.025 R)
• M8: 4,079,085 km (0.069 R)
• M9: 5,821,751 km (0.092 R)
• M10: 6,176,447 km (0.062 R)
• M11: 6,579,913 km (0.057 R)
• M12: 9,691,848 km (0.055 R)
• M13: 10,145,428 km (0.074 R)
• M14: 10,565,798 km (0.045 R)
• M15: 12,736,912 km (0.1 R)
• M16: 13,559,701 km (0.119 R)
• M17: 13,955,686 km (0.093 R)
• M18: 16,947,344 km (0.103 R)
• M19: 18,351,470 km (0.105 R)
• M20: 19,759,336 km (0.112 R)
• M21: 20,268,866 km (0.099 R)
• M22: 21,238,111 km (0.03 R)
• M23: 23,592,482 km (0.083 R)
• M24: 31,990,757 km (0.029 R)
• M25: 32,491,610 km (0.108 R)
• M26: 33,406,401 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.9

Radius: 14.5

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 8.73 AU - 14.49 AU

Year: 14101 Days

Day: 10.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,144,168 km

• M1: 198,516 km (0.06 R)
• M2: 1,260,512 km (0.092 R)
• M3: 2,242,921 km (0.082 R)
• M4: 3,264,974 km (0.066 R)
• M5: 4,896,039 km (0.108 R)
• M6: 5,785,249 km (0.063 R)
• M7: 7,194,311 km (0.061 R)
• M8: 9,191,293 km (0.119 R)
• M9: 10,868,585 km (0.055 R)
• M10: 13,592,313 km (0.12 R)
• M11: 15,823,416 km (0.087 R)
• M12: 19,648,484 km (0.102 R)
• M13: 22,339,300 km (0.085 R)
• M14: 23,891,977 km (0.077 R)
• M15: 30,358,644 km (0.062 R)
• M16: 31,682,884 km (0.097 R)
• M17: 32,359,366 km (0.091 R)

Kuiper Belt

Range: 30.8 - 48.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 16,534 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit