🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.63 AU - 0.87 AU

Year: 232 Days

Day: 17.1 Hours

Environment

Temp: 153 °C

Axial Tilt: 28.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.26 AU - 1.74 AU

Year: 655 Days

Day: 45.7 Hours

Environment

Temp: -2 °C

Axial Tilt: 13.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 67,955,240 km

• M1: 345,122 km (0.081 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.63 AU - 1.69 AU

Year: 762 Days

Day: 36.4 Hours

Environment

Temp: -39 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,955,240 km

• M1: 534,364 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.34 AU - 2.54 AU

Year: 1359 Days

Day: 32.8 Hours

Environment

Temp: -74 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 14.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.4

Radius: 4.2

Gravity: 30.8 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 11.84 AU - 16.44 AU

Year: 18953 Days

Day: 18 Hours

Environment

Temp: -193 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,955,240 km

• M1: 52,658 km (0.102 R)
• M2: 295,456 km (0.074 R)
• M3: 454,927 km (0.064 R)
• M4: 681,119 km (0.113 R)
• M5: 815,458 km (0.105 R)
• M6: 1,904,082 km (0.09 R)
• M7: 2,134,462 km (0.079 R)
• M8: 2,627,986 km (0.078 R)
• M9: 2,963,534 km (0.106 R)
• M10: 3,246,723 km (0.088 R)
• M11: 3,661,707 km (0.116 R)
• M12: 3,837,335 km (0.068 R)
• M13: 4,732,229 km (0.103 R)
• M14: 4,870,458 km (0.068 R)
• M15: 5,047,133 km (0.055 R)
• M16: 5,228,146 km (0.09 R)
• M17: 5,526,744 km (0.027 R)
• M18: 6,533,238 km (0.105 R)
• M19: 6,879,557 km (0.087 R)
• M20: 7,514,899 km (0.091 R)
• M21: 7,992,117 km (0.083 R)
• M22: 9,059,647 km (0.102 R)
• M23: 14,355,711 km (0.052 R)
• M24: 14,719,234 km (0.041 R)
• M25: 16,870,002 km (0.082 R)
• M26: 20,842,873 km (0.076 R)
• M27: 30,452,143 km (0.102 R)
• M28: 38,042,290 km (0.114 R)
• M29: 39,159,636 km (0.1 R)
• M30: 42,048,222 km (0.105 R)
• M31: 48,570,090 km (0.097 R)
• M32: 52,240,773 km (0.113 R)
• M33: 62,217,306 km (0.063 R)
• M34: 63,571,466 km (0.109 R)

Kuiper Belt

Range: 30.8 - 59.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 14,250 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit