🌌 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 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.2

Radius: 12.7

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.48 AU - 0.58 AU

Year: 262 Days

Day: 14.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,063,388 km

• M1: 157,975 km (0.118 R)
• M2: 566,826 km (0.114 R)
• M3: 1,036,713 km (0.09 R)
• M4: 1,448,407 km (0.047 R)
• M5: 1,999,824 km (0.068 R)
• M6: 2,579,366 km (0.094 R)
• M7: 3,605,608 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.5

Radius: 12.2

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.74 AU - 0.84 AU

Year: 476 Days

Day: 14.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,063,388 km

• M1: 151,842 km (0.074 R)
• M2: 554,260 km (0.116 R)
• M3: 957,726 km (0.098 R)
• M4: 1,400,236 km (0.072 R)
• M5: 2,107,684 km (0.109 R)
• M6: 2,912,820 km (0.12 R)
• M7: 3,382,258 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.7

Radius: 8.3

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.09 AU - 1.77 AU

Year: 1160 Days

Day: 6.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,063,388 km

• M1: 103,223 km (0.112 R)
• M2: 764,595 km (0.117 R)
• M3: 1,037,312 km (0.027 R)
• M4: 1,320,949 km (0.076 R)
• M5: 1,635,404 km (0.047 R)
• M6: 1,911,861 km (0.073 R)
• M7: 2,245,913 km (0.114 R)
• M8: 5,250,736 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.5

Radius: 14

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.5 AU - 3.98 AU

Year: 4906 Days

Day: 9.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,063,388 km

• M1: 180,415 km (0.12 R)
• M2: 742,753 km (0.093 R)
• M3: 1,434,045 km (0.098 R)
• M4: 2,107,535 km (0.063 R)
• M5: 2,568,446 km (0.045 R)
• M6: 3,116,423 km (0.115 R)
• M7: 4,824,980 km (0.087 R)
• M8: 5,552,475 km (0.089 R)
• M9: 6,167,920 km (0.07 R)
• M10: 12,313,102 km (0.114 R)
• M11: 15,413,667 km (0.037 R)
• M12: 17,114,146 km (0.052 R)
• M13: 17,978,373 km (0.106 R)
• M14: 19,594,030 km (0.115 R)
• M15: 20,471,571 km (0.064 R)
• M16: 21,801,047 km (0.078 R)
• M17: 22,669,912 km (0.092 R)
• M18: 23,411,468 km (0.08 R)
• M19: 24,553,947 km (0.114 R)
• M20: 25,574,055 km (0.111 R)
• M21: 26,540,607 km (0.079 R)
• M22: 28,205,332 km (0.102 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 11,542 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit