🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.96 AU - 1.34 AU

Year: 435 Days

Day: 20.9 Hours

Environment

Temp: 29 °C

Axial Tilt: 42.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.33 AU - 1.59 AU

Year: 623 Days

Day: 17.3 Hours

Environment

Temp: 6 °C

Axial Tilt: 21.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 38,055,359 km

• M1: 749,785 km (0.071 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.15 AU - 1.87 AU

Year: 655 Days

Day: 43.4 Hours

Environment

Temp: -14 °C

Axial Tilt: 17.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 38,055,359 km

• M1: 260,749 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.7 AU - 2.16 AU

Year: 947 Days

Day: 47.9 Hours

Environment

Temp: -49 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.4

Radius: 9.8

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.3 AU - 8.4 AU

Year: 6330 Days

Day: 9.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 123.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 38,055,359 km

• M1: 121,922 km (0.111 R)
• M2: 577,448 km (0.079 R)
• M3: 1,066,334 km (0.106 R)
• M4: 2,286,603 km (0.096 R)
• M5: 2,813,487 km (0.102 R)
• M6: 3,578,531 km (0.085 R)
• M7: 4,694,830 km (0.102 R)
• M8: 5,036,362 km (0.098 R)
• M9: 6,927,429 km (0.092 R)
• M10: 8,605,618 km (0.066 R)
• M11: 9,607,026 km (0.097 R)
• M12: 10,443,427 km (0.099 R)
• M13: 11,428,978 km (0.095 R)
• M14: 13,357,444 km (0.114 R)
• M15: 14,339,554 km (0.083 R)
• M16: 15,681,148 km (0.059 R)
• M17: 16,061,127 km (0.094 R)
• M18: 17,711,042 km (0.109 R)
• M19: 21,267,581 km (0.042 R)
• M20: 22,927,968 km (0.113 R)
• M21: 24,503,084 km (0.111 R)
• M22: 27,408,275 km (0.089 R)
• M23: 28,238,842 km (0.093 R)
• M24: 28,991,170 km (0.079 R)
• M25: 29,372,196 km (0.093 R)
• M26: 29,756,662 km (0.07 R)
• M27: 30,241,958 km (0.1 R)
• M28: 30,930,108 km (0.055 R)
• M29: 31,931,516 km (0.087 R)
• M30: 32,542,474 km (0.102 R)
• M31: 32,850,944 km (0.064 R)
• M32: 33,161,360 km (0.084 R)
• M33: 34,422,470 km (0.077 R)

Kuiper Belt

Range: 31.1 - 59.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 15,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit