🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.52 AU - 0.64 AU

Year: 285 Days

Day: 27.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.3

Radius: 11.2

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.59 AU - 0.97 AU

Year: 445 Days

Day: 9.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 8,539,377 km

• M1: 142,268 km (0.039 R)
• M2: 494,271 km (0.057 R)
• M3: 842,685 km (0.085 R)
• M4: 1,347,129 km (0.111 R)
• M5: 1,739,225 km (0.075 R)
• M6: 2,100,803 km (0.093 R)
• M7: 3,198,702 km (0.085 R)
• M8: 4,568,719 km (0.045 R)
• M9: 5,102,933 km (0.092 R)
• M10: 5,766,549 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.1

Radius: 10.4

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.32 AU - 1.42 AU

Year: 1035 Days

Day: 11.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 8,539,377 km

• M1: 131,197 km (0.113 R)
• M2: 563,535 km (0.055 R)
• M3: 899,083 km (0.103 R)
• M4: 1,419,833 km (0.06 R)
• M5: 1,998,029 km (0.054 R)
• M6: 2,477,790 km (0.086 R)
• M7: 2,906,238 km (0.05 R)
• M8: 3,613,985 km (0.079 R)
• M9: 4,254,713 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.9

Radius: 13.8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.45 AU - 1.53 AU

Year: 1174 Days

Day: 11.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 8,539,377 km

• M1: 171,738 km (0.112 R)
• M2: 632,500 km (0.079 R)
• M3: 1,659,040 km (0.084 R)
• M4: 2,583,406 km (0.105 R)
• M5: 3,223,385 km (0.11 R)
• M6: 4,046,323 km (0.034 R)
• M7: 4,508,281 km (0.044 R)
• M8: 5,718,827 km (0.095 R)
• M9: 8,455,720 km (0.118 R)
• M10: 9,583,838 km (0.083 R)

Asteroid Belt

Center: 2.18 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.3

Radius: 8.3

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.81 AU - 2.93 AU

Year: 3139 Days

Day: 14.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 8,539,377 km

• M1: 103,223 km (0.097 R)
• M2: 446,699 km (0.116 R)
• M3: 877,092 km (0.116 R)
• M4: 1,222,215 km (0.086 R)
• M5: 1,484,011 km (0.085 R)
• M6: 2,232,748 km (0.114 R)
• M7: 3,251,959 km (0.044 R)
• M8: 3,563,571 km (0.07 R)
• M9: 4,262,642 km (0.092 R)
• M10: 5,696,837 km (0.072 R)
• M11: 6,010,394 km (0.101 R)
• M12: 6,335,470 km (0.063 R)
• M13: 6,823,458 km (0.059 R)
• M14: 8,239,252 km (0.071 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 15,802 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit