🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.62 AU - 0.64 AU

Year: 328 Days

Day: 32.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 8.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 22,746,788 km

• M1: 29,321 km (0.082 R)
• M2: 509,979 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.1

Radius: 10.1

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.07 AU - 1.09 AU

Year: 736 Days

Day: 10.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,746,788 km

• M1: 125,961 km (0.077 R)
• M2: 623,225 km (0.076 R)
• M3: 984,653 km (0.107 R)
• M4: 1,340,547 km (0.114 R)
• M5: 1,739,823 km (0.118 R)
• M6: 2,117,558 km (0.055 R)
• M7: 2,626,041 km (0.089 R)
• M8: 2,998,390 km (0.076 R)
• M9: 3,690,280 km (0.118 R)
• M10: 4,107,060 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.1

Radius: 14.9

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.78 AU - 1.88 AU

Year: 1624 Days

Day: 9.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,746,788 km

• M1: 185,501 km (0.108 R)
• M2: 807,230 km (0.088 R)
• M3: 1,426,864 km (0.114 R)
• M4: 1,922,781 km (0.074 R)
• M5: 2,548,849 km (0.094 R)
• M6: 3,083,960 km (0.108 R)
• M7: 3,661,109 km (0.066 R)
• M8: 5,548,435 km (0.111 R)
• M9: 6,680,742 km (0.096 R)
• M10: 7,222,585 km (0.061 R)
• M11: 8,631,797 km (0.103 R)
• M12: 9,722,814 km (0.103 R)
• M13: 10,352,472 km (0.117 R)
• M14: 10,974,051 km (0.108 R)
• M15: 11,438,403 km (0.101 R)
• M16: 12,065,517 km (0.086 R)
• M17: 12,911,044 km (0.103 R)

Asteroid Belt

Center: 2.52 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.3

Radius: 9.9

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.41 AU - 4.01 AU

Year: 3773 Days

Day: 8.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,746,788 km

• M1: 123,418 km (0.118 R)
• M2: 468,241 km (0.112 R)
• M3: 777,759 km (0.111 R)
• M4: 1,603,839 km (0.066 R)
• M5: 1,985,313 km (0.028 R)
• M6: 2,310,838 km (0.107 R)
• M7: 3,378,219 km (0.12 R)
• M8: 4,424,058 km (0.106 R)
• M9: 5,334,361 km (0.095 R)
• M10: 5,834,167 km (0.101 R)
• M11: 7,142,999 km (0.105 R)
• M12: 8,673,385 km (0.116 R)
• M13: 12,415,426 km (0.071 R)
• M14: 16,072,047 km (0.099 R)
• M15: 16,451,427 km (0.093 R)
• M16: 17,003,593 km (0.116 R)
• M17: 17,340,787 km (0.092 R)
• M18: 19,034,235 km (0.09 R)
• M19: 20,707,337 km (0.06 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: 504 - 19,423 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit