🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.04 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.56 AU - 2.6 AU

Year: 1370 Days

Day: 25.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 23,317,594 km

• M1: 50,414 km (0.105 R)
• M2: 1,105,528 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.7

Radius: 11.2

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.12 AU - 2.92 AU

Year: 1826 Days

Day: 9.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,317,594 km

• M1: 139,425 km (0.037 R)
• M2: 491,579 km (0.109 R)
• M3: 1,124,228 km (0.119 R)
• M4: 1,687,614 km (0.115 R)
• M5: 2,312,933 km (0.101 R)
• M6: 2,763,222 km (0.066 R)
• M7: 3,450,325 km (0.034 R)
• M8: 4,978,168 km (0.036 R)
• M9: 5,373,556 km (0.084 R)
• M10: 5,939,783 km (0.074 R)
• M11: 7,191,918 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.6

Radius: 11.2

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.24 AU - 4.3 AU

Year: 4028 Days

Day: 14.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,317,594 km

• M1: 139,575 km (0.072 R)
• M2: 736,919 km (0.053 R)
• M3: 1,211,294 km (0.063 R)
• M4: 1,578,706 km (0.061 R)
• M5: 2,782,670 km (0.086 R)
• M6: 3,144,398 km (0.109 R)
• M7: 4,143,562 km (0.114 R)
• M8: 5,507,894 km (0.119 R)
• M9: 6,082,649 km (0.107 R)
• M10: 6,665,333 km (0.079 R)
• M11: 7,019,431 km (0.118 R)
• M12: 7,836,086 km (0.097 R)
• M13: 11,289,104 km (0.094 R)
• M14: 12,122,663 km (0.118 R)
• M15: 15,589,594 km (0.109 R)
• M16: 17,701,617 km (0.113 R)
• M17: 18,635,706 km (0.118 R)
• M18: 21,148,651 km (0.099 R)
• M19: 23,879,560 km (0.105 R)
• M20: 25,878,188 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.3

Radius: 11.7

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.88 AU - 5.02 AU

Year: 4286 Days

Day: 6.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,317,594 km

• M1: 145,708 km (0.056 R)
• M2: 654,191 km (0.032 R)
• M3: 1,707,809 km (0.099 R)
• M4: 2,357,214 km (0.09 R)
• M5: 2,821,865 km (0.04 R)
• M6: 3,384,951 km (0.098 R)
• M7: 4,928,801 km (0.092 R)
• M8: 5,561,899 km (0.107 R)
• M9: 6,219,980 km (0.057 R)
• M10: 7,240,387 km (0.116 R)
• M11: 10,973,602 km (0.087 R)
• M12: 12,054,148 km (0.11 R)
• M13: 12,505,784 km (0.102 R)
• M14: 13,015,613 km (0.091 R)
• M15: 16,869,553 km (0.082 R)
• M16: 17,378,037 km (0.074 R)
• M17: 20,012,605 km (0.109 R)
• M18: 22,629,371 km (0.074 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 11,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit