🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376

Radius: 14.3

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.68 AU - 0.98 AU

Year: 522 Days

Day: 14.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,180,462 km

• M1: 178,321 km (0.049 R)
• M2: 638,933 km (0.104 R)
• M3: 1,294,919 km (0.119 R)
• M4: 2,059,963 km (0.051 R)
• M5: 2,665,684 km (0.117 R)
• M6: 3,355,031 km (0.04 R)
• M7: 3,878,923 km (0.104 R)
• M8: 4,512,919 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.2

Radius: 14

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.79 AU - 0.97 AU

Year: 570 Days

Day: 13.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 65,180,462 km

• M1: 174,282 km (0.074 R)
• M2: 1,048,382 km (0.112 R)
• M3: 2,280,171 km (0.066 R)
• M4: 2,861,957 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.3

Radius: 11.2

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.65 AU - 1.91 AU

Year: 1639 Days

Day: 10.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,180,462 km

• M1: 139,425 km (0.11 R)
• M2: 536,159 km (0.073 R)
• M3: 967,599 km (0.081 R)
• M4: 1,415,645 km (0.11 R)
• M5: 1,776,624 km (0.084 R)
• M6: 2,351,978 km (0.102 R)
• M7: 2,743,924 km (0.111 R)
• M8: 3,194,214 km (0.068 R)
• M9: 3,693,871 km (0.108 R)
• M10: 4,281,341 km (0.097 R)
• M11: 4,655,336 km (0.115 R)
• M12: 5,257,617 km (0.104 R)
• M13: 6,140,843 km (0.086 R)
• M14: 6,545,056 km (0.069 R)
• M15: 7,275,692 km (0.11 R)
• M16: 8,516,308 km (0.114 R)
• M17: 8,929,646 km (0.064 R)
• M18: 9,828,730 km (0.112 R)
• M19: 10,924,085 km (0.1 R)
• M20: 11,770,510 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.1

Radius: 7.7

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 8.69 AU - 10.71 AU

Year: 20853 Days

Day: 17.1 Hours

Environment

Temp: -245 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,180,462 km

• M1: 96,042 km (0.119 R)
• M2: 398,828 km (0.072 R)
• M3: 1,187,657 km (0.089 R)
• M4: 2,288,997 km (0.068 R)
• M5: 2,745,271 km (0.088 R)
• M6: 4,323,977 km (0.093 R)
• M7: 4,713,979 km (0.083 R)
• M8: 6,389,624 km (0.117 R)
• M9: 7,115,174 km (0.108 R)
• M10: 10,748,009 km (0.086 R)
• M11: 11,586,953 km (0.091 R)
• M12: 12,276,300 km (0.1 R)
• M13: 12,663,609 km (0.118 R)
• M14: 13,599,194 km (0.09 R)
• M15: 13,874,754 km (0.062 R)
• M16: 15,607,247 km (0.04 R)
• M17: 16,215,512 km (0.088 R)
• M18: 18,218,328 km (0.099 R)
• M19: 21,569,769 km (0.115 R)
• M20: 24,086,155 km (0.063 R)
• M21: 27,994,998 km (0.113 R)
• M22: 30,391,705 km (0.082 R)
• M23: 35,981,429 km (0.093 R)
• M24: 42,219,511 km (0.108 R)
• M25: 43,847,136 km (0.091 R)
• M26: 44,449,118 km (0.114 R)
• M27: 56,961,783 km (0.119 R)
• M28: 59,313,312 km (0.029 R)
• M29: 59,865,029 km (0.106 R)
• M30: 61,728,719 km (0.078 R)
• M31: 64,015,921 km (0.049 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 16,935 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit