🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.2

Radius: 12.7

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.53 AU - 0.65 AU

Year: 307 Days

Day: 7.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 9,730,566 km

• M1: 158,275 km (0.085 R)
• M2: 586,274 km (0.113 R)
• M3: 1,105,528 km (0.059 R)
• M4: 1,579,903 km (0.088 R)
• M5: 2,490,805 km (0.077 R)
• M6: 2,946,928 km (0.106 R)
• M7: 3,628,048 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.6

Radius: 9.3

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.65 AU - 0.83 AU

Year: 432 Days

Day: 5.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 9,730,566 km

• M1: 116,088 km (0.057 R)
• M2: 405,560 km (0.115 R)
• M3: 699,819 km (0.069 R)
• M4: 1,074,412 km (0.054 R)
• M5: 1,513,482 km (0.075 R)
• M6: 2,062,655 km (0.108 R)
• M7: 2,571,887 km (0.109 R)
• M8: 3,415,768 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.4

Radius: 11.3

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.98 AU - 1.06 AU

Year: 699 Days

Day: 13.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 150.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 9,730,566 km

• M1: 140,472 km (0.113 R)
• M2: 505,491 km (0.082 R)
• M3: 916,885 km (0.088 R)
• M4: 1,499,719 km (0.109 R)
• M5: 1,890,019 km (0.072 R)
• M6: 2,472,254 km (0.096 R)
• M7: 3,133,926 km (0.103 R)
• M8: 3,493,858 km (0.064 R)
• M9: 4,437,970 km (0.069 R)
• M10: 5,274,073 km (0.11 R)
• M11: 6,514,389 km (0.115 R)
• M12: 6,975,450 km (0.116 R)
• M13: 7,368,892 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.8

Radius: 13.2

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.82 AU - 1.34 AU

Year: 761 Days

Day: 11.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 9,730,566 km

• M1: 164,109 km (0.097 R)
• M2: 589,116 km (0.038 R)
• M3: 1,067,530 km (0.079 R)
• M4: 1,508,096 km (0.079 R)
• M5: 2,499,930 km (0.119 R)
• M6: 3,535,746 km (0.114 R)
• M7: 5,524,649 km (0.069 R)
• M8: 6,465,022 km (0.053 R)
• M9: 8,848,714 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.5

Radius: 13

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.21 AU - 2.01 AU

Year: 1386 Days

Day: 12.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 9,730,566 km

• M1: 161,715 km (0.037 R)
• M2: 911,949 km (0.037 R)
• M3: 1,476,381 km (0.111 R)
• M4: 1,971,401 km (0.044 R)
• M5: 2,777,434 km (0.119 R)
• M6: 4,118,280 km (0.108 R)
• M7: 5,554,270 km (0.082 R)
• M8: 6,975,898 km (0.056 R)
• M9: 7,420,204 km (0.119 R)
• M10: 8,680,566 km (0.109 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 10,937 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit