🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.6

Radius: 10.9

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.61 AU - 0.93 AU

Year: 436 Days

Day: 12.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,709,904 km

• M1: 135,536 km (0.118 R)
• M2: 726,298 km (0.111 R)
• M3: 1,201,570 km (0.106 R)
• M4: 1,609,075 km (0.091 R)
• M5: 2,963,534 km (0.093 R)
• M6: 3,435,814 km (0.117 R)
• M7: 3,869,499 km (0.118 R)
• M8: 4,218,510 km (0.092 R)
• M9: 4,588,615 km (0.113 R)
• M10: 5,055,510 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121

Radius: 14.7

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.9 AU - 1.48 AU

Year: 838 Days

Day: 14.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,709,904 km

• M1: 182,809 km (0.113 R)
• M2: 811,269 km (0.089 R)
• M3: 1,407,417 km (0.092 R)
• M4: 1,865,037 km (0.108 R)
• M5: 2,415,706 km (0.104 R)
• M6: 2,922,095 km (0.109 R)
• M7: 3,828,808 km (0.109 R)
• M8: 4,309,316 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.9

Radius: 10

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.02 AU - 1.42 AU

Year: 870 Days

Day: 9.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,709,904 km

• M1: 124,465 km (0.109 R)
• M2: 487,839 km (0.116 R)
• M3: 997,070 km (0.113 R)
• M4: 1,347,278 km (0.115 R)
• M5: 2,143,139 km (0.093 R)
• M6: 2,846,249 km (0.041 R)
• M7: 3,427,736 km (0.036 R)
• M8: 3,994,114 km (0.104 R)
• M9: 4,758,409 km (0.084 R)
• M10: 5,332,566 km (0.034 R)
• M11: 5,792,878 km (0.089 R)
• M12: 6,490,453 km (0.091 R)
• M13: 7,358,420 km (0.096 R)
• M14: 7,688,283 km (0.085 R)
• M15: 8,003,486 km (0.027 R)
• M16: 8,895,089 km (0.03 R)

Asteroid Belt

Center: 4.72 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.8

Radius: 6.5

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.8 AU - 9.64 AU

Year: 15217 Days

Day: 21.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,709,904 km

• M1: 85,420 km (0.078 R)
• M2: 731,833 km (0.043 R)
• M3: 3,978,855 km (0.062 R)
• M4: 4,191,732 km (0.051 R)
• M5: 6,307,645 km (0.117 R)
• M6: 8,727,390 km (0.118 R)
• M7: 10,722,278 km (0.097 R)
• M8: 13,526,191 km (0.059 R)
• M9: 15,528,857 km (0.068 R)
• M10: 17,912,550 km (0.089 R)
• M11: 18,758,376 km (0.08 R)
• M12: 20,953,725 km (0.111 R)
• M13: 30,252,729 km (0.113 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 10,959 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit