🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.51 AU - 0.77 AU

Year: 331 Days

Day: 33.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.2

Radius: 13.8

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.72 AU - 1.16 AU

Year: 588 Days

Day: 9.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 14,148,687 km

• M1: 172,038 km (0.085 R)
• M2: 879,187 km (0.109 R)
• M3: 1,349,522 km (0.078 R)
• M4: 2,194,601 km (0.103 R)
• M5: 2,834,132 km (0.108 R)
• M6: 3,640,464 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.2

Radius: 11.7

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.83 AU - 1.27 AU

Year: 695 Days

Day: 6.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,148,687 km

• M1: 145,559 km (0.061 R)
• M2: 554,410 km (0.104 R)
• M3: 1,041,500 km (0.089 R)
• M4: 1,421,180 km (0.098 R)
• M5: 2,312,783 km (0.045 R)
• M6: 3,029,058 km (0.116 R)
• M7: 3,800,384 km (0.115 R)
• M8: 4,172,883 km (0.066 R)
• M9: 5,220,666 km (0.036 R)

Asteroid Belt

Center: 1.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.4

Radius: 9.9

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.61 AU - 1.93 AU

Year: 1520 Days

Day: 7.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 14,148,687 km

• M1: 123,119 km (0.053 R)
• M2: 444,306 km (0.104 R)
• M3: 1,020,856 km (0.106 R)
• M4: 1,340,547 km (0.057 R)
• M5: 1,779,317 km (0.106 R)
• M6: 2,993,902 km (0.092 R)
• M7: 3,513,306 km (0.088 R)
• M8: 4,241,399 km (0.076 R)
• M9: 5,045,487 km (0.071 R)
• M10: 5,394,350 km (0.109 R)
• M11: 6,488,359 km (0.101 R)
• M12: 8,277,998 km (0.105 R)
• M13: 8,764,640 km (0.061 R)
• M14: 9,270,430 km (0.103 R)
• M15: 11,828,853 km (0.106 R)
• M16: 13,005,141 km (0.113 R)
• M17: 13,789,333 km (0.09 R)
• M18: 14,474,043 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.1

Radius: 10.7

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.02 AU - 3.48 AU

Year: 3783 Days

Day: 7.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 14,148,687 km

• M1: 133,142 km (0.1 R)
• M2: 522,994 km (0.05 R)
• M3: 1,016,667 km (0.098 R)
• M4: 2,769,805 km (0.1 R)
• M5: 3,671,132 km (0.104 R)
• M6: 4,089,707 km (0.037 R)
• M7: 4,481,952 km (0.101 R)
• M8: 6,861,306 km (0.088 R)
• M9: 7,581,470 km (0.095 R)
• M10: 11,261,728 km (0.109 R)
• M11: 12,340,478 km (0.103 R)
• M12: 13,163,565 km (0.084 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 19,349 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit