🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.6

Radius: 12.8

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.6 AU - 0.88 AU

Year: 405 Days

Day: 8.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,352,932 km

• M1: 160,519 km (0.072 R)
• M2: 627,563 km (0.068 R)
• M3: 1,081,742 km (0.116 R)
• M4: 1,480,869 km (0.034 R)
• M5: 1,948,811 km (0.104 R)
• M6: 2,355,119 km (0.113 R)
• M7: 2,797,779 km (0.095 R)
• M8: 3,749,970 km (0.119 R)
• M9: 4,176,174 km (0.088 R)
• M10: 4,709,491 km (0.109 R)
• M11: 5,369,816 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.8

Radius: 13.9

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.11 AU - 1.49 AU

Year: 942 Days

Day: 6.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,352,932 km

• M1: 172,935 km (0.106 R)
• M2: 629,508 km (0.105 R)
• M3: 1,073,963 km (0.047 R)
• M4: 1,704,967 km (0.113 R)
• M5: 2,214,198 km (0.106 R)
• M6: 2,724,476 km (0.108 R)
• M7: 3,429,082 km (0.119 R)
• M8: 3,953,722 km (0.115 R)
• M9: 4,496,314 km (0.119 R)
• M10: 5,795,422 km (0.098 R)
• M11: 7,381,608 km (0.045 R)
• M12: 8,756,263 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.8

Radius: 8.6

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.45 AU - 4.01 AU

Year: 3691 Days

Day: 12.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,352,932 km

• M1: 107,112 km (0.107 R)
• M2: 572,511 km (0.068 R)
• M3: 929,601 km (0.104 R)
• M4: 1,199,326 km (0.094 R)
• M5: 1,522,458 km (0.107 R)
• M6: 1,975,141 km (0.063 R)
• M7: 2,875,421 km (0.051 R)
• M8: 4,457,119 km (0.068 R)
• M9: 4,918,180 km (0.077 R)
• M10: 7,322,517 km (0.057 R)
• M11: 8,545,479 km (0.107 R)
• M12: 10,761,772 km (0.072 R)
• M13: 12,678,569 km (0.077 R)
• M14: 13,335,603 km (0.099 R)
• M15: 14,669,717 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.5

Radius: 5.2

Gravity: 27.94 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.88 AU - 9.42 AU

Year: 13453 Days

Day: 24.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 60,352,932 km

• M1: 64,626 km (0.1 R)
• M2: 230,082 km (0.115 R)
• M3: 428,149 km (0.076 R)
• M4: 817,552 km (0.096 R)
• M5: 1,052,571 km (0.111 R)
• M6: 1,291,329 km (0.098 R)
• M7: 1,581,100 km (0.106 R)
• M8: 1,985,164 km (0.115 R)
• M9: 2,290,942 km (0.051 R)
• M10: 3,143,350 km (0.074 R)
• M11: 3,505,078 km (0.104 R)
• M12: 4,404,909 km (0.102 R)
• M13: 5,669,011 km (0.073 R)
• M14: 7,829,055 km (0.057 R)
• M15: 8,888,657 km (0.091 R)
• M16: 9,296,610 km (0.091 R)
• M17: 9,824,092 km (0.097 R)
• M18: 10,260,170 km (0.112 R)
• M19: 13,748,942 km (0.111 R)
• M20: 17,634,747 km (0.07 R)
• M21: 20,566,865 km (0.114 R)
• M22: 23,421,641 km (0.105 R)
• M23: 24,002,978 km (0.099 R)
• M24: 29,116,982 km (0.095 R)
• M25: 35,416,249 km (0.063 R)
• M26: 39,764,610 km (0.075 R)
• M27: 42,853,208 km (0.095 R)
• M28: 43,431,403 km (0.114 R)
• M29: 53,071,191 km (0.109 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 - 14,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit