🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.3

Radius: 9.8

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.52 AU - 0.78 AU

Year: 355 Days

Day: 7.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,344,616 km

• M1: 121,922 km (0.118 R)
• M2: 465,100 km (0.089 R)
• M3: 994,078 km (0.116 R)
• M4: 1,400,535 km (0.097 R)
• M5: 1,740,272 km (0.032 R)
• M6: 2,150,021 km (0.116 R)
• M7: 2,623,647 km (0.058 R)
• M8: 2,995,697 km (0.103 R)
• M9: 3,302,672 km (0.087 R)
• M10: 3,651,983 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.7

Radius: 14

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.81 AU - 1.23 AU

Year: 699 Days

Day: 14.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,344,616 km

• M1: 174,132 km (0.114 R)
• M2: 623,075 km (0.105 R)
• M3: 1,298,360 km (0.101 R)
• M4: 1,787,246 km (0.08 R)
• M5: 2,602,405 km (0.108 R)
• M6: 3,078,275 km (0.112 R)
• M7: 3,953,872 km (0.045 R)
• M8: 4,686,004 km (0.096 R)
• M9: 5,656,146 km (0.097 R)
• M10: 8,259,448 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.9

Radius: 13.4

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.02 AU - 1.4 AU

Year: 903 Days

Day: 6.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 18,344,616 km

• M1: 166,652 km (0.115 R)
• M2: 713,283 km (0.047 R)
• M3: 1,205,759 km (0.115 R)
• M4: 2,918,954 km (0.108 R)
• M5: 3,425,492 km (0.063 R)
• M6: 4,062,031 km (0.091 R)
• M7: 5,827,435 km (0.114 R)
• M8: 6,840,213 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.7

Radius: 8.6

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.2 AU - 1.26 AU

Year: 925 Days

Day: 5.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 18,344,616 km

• M1: 108,010 km (0.12 R)
• M2: 505,641 km (0.101 R)
• M3: 868,116 km (0.119 R)
• M4: 1,179,280 km (0.078 R)
• M5: 2,676,007 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.7

Radius: 8.2

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.2 AU - 3.26 AU

Year: 3937 Days

Day: 12.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 18,344,616 km

• M1: 102,026 km (0.053 R)
• M2: 904,469 km (0.087 R)
• M3: 1,463,217 km (0.12 R)
• M4: 1,775,428 km (0.117 R)
• M5: 2,157,500 km (0.118 R)
• M6: 2,437,548 km (0.111 R)
• M7: 2,958,597 km (0.112 R)
• M8: 3,374,778 km (0.093 R)
• M9: 4,042,434 km (0.069 R)
• M10: 6,467,116 km (0.107 R)
• M11: 6,967,970 km (0.1 R)
• M12: 8,269,172 km (0.059 R)
• M13: 9,618,395 km (0.085 R)
• M14: 10,197,189 km (0.104 R)
• M15: 11,147,884 km (0.12 R)
• M16: 12,449,236 km (0.115 R)
• M17: 13,224,302 km (0.106 R)
• M18: 14,353,616 km (0.097 R)
• M19: 15,941,149 km (0.072 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 14,366 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit