🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.54 AU - 0.54 AU

Year: 256 Days

Day: 28 Hours

Environment

Temp: -131 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 25,220,358 km

• M1: 502,649 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.5

Radius: 8.8

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.81 AU - 0.83 AU

Year: 479 Days

Day: 14.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,220,358 km

• M1: 109,506 km (0.076 R)
• M2: 447,896 km (0.08 R)
• M3: 874,100 km (0.03 R)
• M4: 1,278,763 km (0.027 R)
• M5: 1,585,438 km (0.071 R)
• M6: 1,890,618 km (0.096 R)
• M7: 2,186,971 km (0.08 R)
• M8: 2,695,006 km (0.087 R)
• M9: 2,982,383 km (0.087 R)
• M10: 3,258,541 km (0.051 R)
• M11: 3,922,456 km (0.085 R)
• M12: 4,204,747 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.1

Radius: 8.2

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.17 AU - 1.27 AU

Year: 870 Days

Day: 8.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,220,358 km

• M1: 156,629 km (0.092 R)
• M2: 468,840 km (0.088 R)
• M3: 726,896 km (0.09 R)
• M4: 997,519 km (0.114 R)
• M5: 1,376,300 km (0.079 R)
• M6: 1,667,717 km (0.082 R)
• M7: 1,957,638 km (0.072 R)
• M8: 2,357,962 km (0.1 R)
• M9: 3,732,916 km (0.103 R)
• M10: 4,500,502 km (0.103 R)
• M11: 6,403,238 km (0.114 R)

Asteroid Belt

Center: 3.24 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.4

Radius: 13.9

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.8 AU - 5.7 AU

Year: 7767 Days

Day: 8.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,220,358 km

• M1: 172,935 km (0.078 R)
• M2: 1,493,735 km (0.118 R)
• M3: 2,579,217 km (0.112 R)
• M4: 3,654,227 km (0.088 R)
• M5: 4,811,516 km (0.11 R)
• M6: 7,740,044 km (0.077 R)
• M7: 8,294,304 km (0.116 R)
• M8: 9,137,588 km (0.114 R)
• M9: 12,382,066 km (0.072 R)
• M10: 12,949,192 km (0.037 R)
• M11: 14,033,776 km (0.068 R)
• M12: 15,071,686 km (0.057 R)
• M13: 15,883,255 km (0.077 R)
• M14: 17,068,070 km (0.118 R)
• M15: 17,593,607 km (0.094 R)
• M16: 19,486,918 km (0.114 R)
• M17: 20,976,913 km (0.12 R)
• M18: 21,580,241 km (0.12 R)
• M19: 24,256,098 km (0.057 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 267 - 15,011 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit