🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.16 AU - 1.6 AU

Year: 589 Days

Day: 37.5 Hours

Environment

Temp: -16 °C

Axial Tilt: 14.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 36,574,174 km

• M1: 776,563 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.97 AU - 2.11 AU

Year: 1059 Days

Day: 36.6 Hours

Environment

Temp: -58 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,574,174 km

• M1: 23,337 km (0.054 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2 AU - 3.28 AU

Year: 1559 Days

Day: 38.1 Hours

Environment

Temp: -97 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.6

Radius: 13.9

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.39 AU - 7.41 AU

Year: 5884 Days

Day: 9.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,574,174 km

• M1: 173,234 km (0.11 R)
• M2: 1,001,558 km (0.076 R)
• M3: 1,592,021 km (0.12 R)
• M4: 2,870,933 km (0.07 R)
• M5: 5,480,668 km (0.058 R)
• M6: 6,051,084 km (0.107 R)
• M7: 9,300,649 km (0.075 R)
• M8: 12,845,221 km (0.115 R)
• M9: 13,456,478 km (0.054 R)
• M10: 17,540,949 km (0.11 R)
• M11: 19,791,499 km (0.073 R)
• M12: 20,383,009 km (0.103 R)
• M13: 21,757,066 km (0.11 R)
• M14: 23,519,328 km (0.036 R)
• M15: 28,995,957 km (0.095 R)
• M16: 30,536,217 km (0.07 R)
• M17: 34,095,000 km (0.094 R)
• M18: 37,246,130 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.4

Radius: 10

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 9.01 AU - 10.19 AU

Year: 10810 Days

Day: 9.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,574,174 km

• M1: 125,363 km (0.107 R)
• M2: 802,742 km (0.069 R)
• M3: 1,158,486 km (0.119 R)
• M4: 1,557,015 km (0.117 R)
• M5: 2,108,732 km (0.118 R)
• M6: 2,439,642 km (0.038 R)
• M7: 3,104,006 km (0.107 R)
• M8: 3,718,704 km (0.115 R)
• M9: 4,334,299 km (0.112 R)
• M10: 6,698,544 km (0.036 R)
• M11: 8,938,024 km (0.08 R)
• M12: 11,284,616 km (0.096 R)
• M13: 15,624,899 km (0.044 R)
• M14: 16,125,005 km (0.085 R)
• M15: 19,928,980 km (0.092 R)
• M16: 22,746,955 km (0.107 R)
• M17: 23,797,132 km (0.095 R)
• M18: 28,138,761 km (0.085 R)

Kuiper Belt

Range: 30.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 15,560 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit