🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.1

Radius: 10.5

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.42 AU - 0.68 AU

Year: 287 Days

Day: 8.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 29,638,046 km

• M1: 132,394 km (0.095 R)
• M2: 470,635 km (0.061 R)
• M3: 842,535 km (0.082 R)
• M4: 1,198,129 km (0.093 R)
• M5: 1,646,474 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.1

Radius: 12.5

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.27 AU - 2.57 AU

Year: 2646 Days

Day: 6.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,638,046 km

• M1: 155,432 km (0.075 R)
• M2: 932,593 km (0.095 R)
• M3: 1,334,114 km (0.109 R)
• M4: 1,914,853 km (0.105 R)
• M5: 5,483,510 km (0.046 R)
• M6: 6,011,590 km (0.096 R)
• M7: 9,964,265 km (0.115 R)
• M8: 11,667,736 km (0.041 R)
• M9: 12,499,052 km (0.115 R)
• M10: 17,260,303 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.1

Radius: 14.6

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.35 AU - 3.53 AU

Year: 3543 Days

Day: 10.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,638,046 km

• M1: 181,612 km (0.093 R)
• M2: 645,515 km (0.093 R)
• M3: 1,431,801 km (0.104 R)
• M4: 2,049,640 km (0.073 R)
• M5: 3,067,804 km (0.089 R)
• M6: 3,608,749 km (0.113 R)
• M7: 5,356,053 km (0.103 R)
• M8: 6,724,873 km (0.099 R)
• M9: 7,279,582 km (0.117 R)
• M10: 7,896,524 km (0.12 R)
• M11: 8,853,052 km (0.106 R)
• M12: 10,878,009 km (0.063 R)
• M13: 11,768,864 km (0.112 R)
• M14: 12,839,836 km (0.061 R)
• M15: 15,225,024 km (0.084 R)
• M16: 17,131,350 km (0.058 R)
• M17: 19,835,481 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.8

Radius: 8

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.33 AU - 4.35 AU

Year: 5289 Days

Day: 12.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 29,638,046 km

• M1: 100,231 km (0.079 R)
• M2: 512,971 km (0.108 R)
• M3: 865,573 km (0.112 R)
• M4: 1,323,044 km (0.086 R)
• M5: 1,746,106 km (0.089 R)
• M6: 2,272,392 km (0.092 R)
• M7: 4,276,854 km (0.102 R)
• M8: 4,597,442 km (0.093 R)
• M9: 4,934,037 km (0.114 R)
• M10: 5,286,938 km (0.116 R)
• M11: 5,922,580 km (0.079 R)
• M12: 6,447,967 km (0.098 R)
• M13: 6,937,003 km (0.114 R)
• M14: 7,345,704 km (0.103 R)
• M15: 7,988,975 km (0.116 R)
• M16: 8,324,374 km (0.081 R)
• M17: 8,669,197 km (0.033 R)
• M18: 8,943,858 km (0.08 R)
• M19: 9,265,045 km (0.101 R)
• M20: 10,493,991 km (0.04 R)
• M21: 10,896,559 km (0.077 R)
• M22: 11,637,817 km (0.064 R)
• M23: 12,412,135 km (0.111 R)
• M24: 15,972,565 km (0.102 R)
• M25: 20,643,758 km (0.097 R)
• M26: 22,579,704 km (0.077 R)
• M27: 23,629,881 km (0.044 R)
• M28: 23,935,809 km (0.119 R)
• M29: 26,396,993 km (0.098 R)
• M30: 27,900,900 km (0.082 R)
• M31: 29,109,502 km (0.1 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 17,862 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit