🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.45 AU - 0.69 AU

Year: 282 Days

Day: 12.9 Hours

Environment

Temp: -124 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.99

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.46 AU - 0.7 AU

Year: 290 Days

Day: 14.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.62 AU - 0.66 AU

Year: 336 Days

Day: 31.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,052,573 km

• M1: 415,433 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.4

Radius: 13

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.68 AU - 0.78 AU

Year: 409 Days

Day: 13.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,052,573 km

• M1: 162,014 km (0.101 R)
• M2: 585,975 km (0.065 R)
• M3: 1,037,760 km (0.106 R)
• M4: 1,445,265 km (0.11 R)
• M5: 2,139,998 km (0.101 R)
• M6: 2,594,177 km (0.088 R)
• M7: 3,167,735 km (0.091 R)
• M8: 3,990,074 km (0.108 R)
• M9: 4,417,476 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.5

Radius: 14.7

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.64 AU - 0.92 AU

Year: 452 Days

Day: 5.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,052,573 km

• M1: 182,809 km (0.081 R)
• M2: 773,870 km (0.073 R)
• M3: 1,421,928 km (0.112 R)
• M4: 1,989,203 km (0.109 R)
• M5: 2,677,503 km (0.064 R)
• M6: 3,283,374 km (0.108 R)
• M7: 4,047,071 km (0.099 R)
• M8: 4,669,548 km (0.106 R)
• M9: 5,421,128 km (0.058 R)

Asteroid Belt

Center: 2.14 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.1

Radius: 13.4

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.95 AU - 4.05 AU

Year: 4295 Days

Day: 6.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,052,573 km

• M1: 169,046 km (0.03 R)
• M2: 611,257 km (0.117 R)
• M3: 1,055,263 km (0.089 R)
• M4: 1,873,564 km (0.092 R)
• M5: 2,735,846 km (0.061 R)
• M6: 3,230,716 km (0.116 R)
• M7: 4,042,284 km (0.101 R)
• M8: 5,870,520 km (0.119 R)
• M9: 7,779,239 km (0.119 R)
• M10: 11,000,081 km (0.074 R)
• M11: 11,984,435 km (0.075 R)
• M12: 13,222,357 km (0.104 R)
• M13: 15,509,410 km (0.096 R)
• M14: 16,063,819 km (0.075 R)
• M15: 17,627,416 km (0.087 R)
• M16: 18,292,678 km (0.064 R)
• M17: 18,849,332 km (0.053 R)
• M18: 20,787,372 km (0.048 R)
• M19: 24,381,461 km (0.073 R)
• M20: 25,666,207 km (0.116 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 19,904 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit