🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.84 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.2

Radius: 13.6

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.6 AU - 1.74 AU

Year: 1490 Days

Day: 6.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,304,846 km

• M1: 170,542 km (0.057 R)
• M2: 608,714 km (0.087 R)
• M3: 2,116,511 km (0.083 R)
• M4: 2,864,650 km (0.068 R)
• M5: 3,365,802 km (0.108 R)
• M6: 4,773,967 km (0.109 R)
• M7: 5,286,490 km (0.11 R)
• M8: 7,135,669 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621

Radius: 12.5

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.61 AU - 2.29 AU

Year: 1880 Days

Day: 13.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,304,846 km

• M1: 155,432 km (0.11 R)
• M2: 626,366 km (0.099 R)
• M3: 2,310,838 km (0.05 R)
• M4: 3,558,485 km (0.029 R)
• M5: 5,502,509 km (0.075 R)
• M6: 6,162,385 km (0.104 R)
• M7: 6,743,274 km (0.112 R)
• M8: 7,168,730 km (0.042 R)
• M9: 8,926,954 km (0.113 R)
• M10: 9,506,645 km (0.104 R)
• M11: 12,589,858 km (0.111 R)
• M12: 13,527,238 km (0.097 R)
• M13: 13,991,590 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.5

Radius: 10.4

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.06 AU - 4.68 AU

Year: 5255 Days

Day: 8.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,304,846 km

• M1: 130,898 km (0.105 R)
• M2: 520,152 km (0.091 R)
• M3: 857,495 km (0.115 R)
• M4: 1,479,523 km (0.108 R)
• M5: 1,842,896 km (0.103 R)
• M6: 2,182,184 km (0.067 R)
• M7: 2,787,008 km (0.034 R)
• M8: 3,879,671 km (0.1 R)
• M9: 4,398,177 km (0.1 R)
• M10: 4,986,995 km (0.094 R)
• M11: 6,409,371 km (0.063 R)
• M12: 7,357,522 km (0.082 R)
• M13: 7,715,660 km (0.077 R)
• M14: 9,569,177 km (0.097 R)
• M15: 10,517,628 km (0.117 R)
• M16: 11,571,246 km (0.09 R)
• M17: 12,417,820 km (0.097 R)
• M18: 13,257,513 km (0.089 R)
• M19: 13,789,034 km (0.082 R)
• M20: 16,718,310 km (0.062 R)
• M21: 18,328,282 km (0.117 R)
• M22: 20,482,940 km (0.092 R)
• M23: 21,787,284 km (0.084 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.7

Radius: 3.7

Gravity: 26.42 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 6.93 AU - 9.73 AU

Year: 16595 Days

Day: 17.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,304,846 km

• M1: 78,240 km (0.043 R)
• M2: 252,072 km (0.096 R)
• M3: 424,110 km (0.108 R)
• M4: 777,460 km (0.115 R)
• M5: 1,186,760 km (0.051 R)
• M6: 1,600,697 km (0.082 R)
• M7: 4,181,859 km (0.094 R)
• M8: 5,536,767 km (0.077 R)
• M9: 7,285,865 km (0.108 R)
• M10: 12,361,721 km (0.09 R)
• M11: 22,122,234 km (0.064 R)
• M12: 28,245,275 km (0.111 R)
• M13: 31,862,102 km (0.069 R)
• M14: 37,401,412 km (0.101 R)
• M15: 38,555,261 km (0.11 R)
• M16: 39,997,534 km (0.113 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 17,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit