🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.77 AU - 1.05 AU

Year: 327 Days

Day: 36 Hours

Environment

Temp: 26 °C

Axial Tilt: 14.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.81 AU - 1.15 AU

Year: 365 Days

Day: 21.9 Hours

Environment

Temp: 32 °C

Axial Tilt: 35.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 20,776,236 km

• M1: 40,391 km (0.112 R)
• M2: 47,273 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.12 AU - 1.8 AU

Year: 665 Days

Day: 19.9 Hours

Environment

Temp: -36 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,776,236 km

• M1: 35,903 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600

Radius: 8

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.59 AU - 5.9 AU

Year: 4519 Days

Day: 13.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 20,776,236 km

• M1: 101,727 km (0.097 R)
• M2: 600,187 km (0.114 R)
• M3: 1,129,314 km (0.094 R)
• M4: 1,541,307 km (0.109 R)
• M5: 1,913,506 km (0.097 R)
• M6: 3,462,892 km (0.084 R)
• M7: 4,196,669 km (0.11 R)
• M8: 5,161,575 km (0.08 R)
• M9: 7,219,294 km (0.045 R)
• M10: 7,488,869 km (0.086 R)
• M11: 8,634,789 km (0.062 R)
• M12: 9,249,786 km (0.09 R)
• M13: 10,017,522 km (0.036 R)
• M14: 11,270,255 km (0.088 R)
• M15: 11,679,405 km (0.092 R)
• M16: 12,431,433 km (0.075 R)
• M17: 12,819,191 km (0.085 R)
• M18: 13,315,407 km (0.036 R)
• M19: 15,651,976 km (0.086 R)
• M20: 18,187,062 km (0.074 R)
• M21: 18,687,018 km (0.114 R)
• M22: 19,780,130 km (0.091 R)
• M23: 22,163,972 km (0.093 R)
• M24: 24,505,178 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.8

Radius: 11

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.92 AU - 5.98 AU

Year: 4793 Days

Day: 14 Hours

Environment

Temp: -160 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 20,776,236 km

• M1: 137,630 km (0.113 R)
• M2: 483,052 km (0.08 R)
• M3: 1,148,762 km (0.119 R)
• M4: 1,590,674 km (0.072 R)
• M5: 2,145,832 km (0.08 R)
• M6: 2,535,385 km (0.113 R)
• M7: 3,072,441 km (0.105 R)
• M8: 4,226,589 km (0.07 R)
• M9: 4,937,777 km (0.101 R)
• M10: 6,070,532 km (0.041 R)
• M11: 6,626,438 km (0.119 R)
• M12: 7,065,507 km (0.072 R)
• M13: 9,340,891 km (0.089 R)
• M14: 10,743,820 km (0.066 R)
• M15: 15,333,931 km (0.096 R)
• M16: 16,471,922 km (0.093 R)
• M17: 16,845,618 km (0.103 R)
• M18: 17,279,601 km (0.077 R)
• M19: 19,266,710 km (0.078 R)
• M20: 20,284,873 km (0.081 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 12,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit