🌌 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 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.65 AU - 0.65 AU

Year: 333 Days

Day: 29.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 27.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 13,398,016 km

• M1: 242,797 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839

Radius: 10.1

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.99 AU - 1.03 AU

Year: 645 Days

Day: 9.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 13,398,016 km

• M1: 125,662 km (0.064 R)
• M2: 517,459 km (0.117 R)
• M3: 841,638 km (0.052 R)
• M4: 1,397,992 km (0.109 R)
• M5: 1,916,199 km (0.112 R)
• M6: 2,275,832 km (0.114 R)
• M7: 2,591,484 km (0.114 R)
• M8: 3,145,894 km (0.079 R)
• M9: 3,893,434 km (0.047 R)
• M10: 4,428,097 km (0.1 R)
• M11: 5,010,930 km (0.091 R)
• M12: 5,458,078 km (0.118 R)
• M13: 5,834,766 km (0.112 R)
• M14: 6,598,762 km (0.104 R)
• M15: 7,114,576 km (0.115 R)

Asteroid Belt

Center: 1.34 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216

Radius: 10.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.48 AU - 1.84 AU

Year: 1360 Days

Day: 8.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 143 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 13,398,016 km

• M1: 134,339 km (0.104 R)
• M2: 568,023 km (0.082 R)
• M3: 918,681 km (0.054 R)
• M4: 1,335,460 km (0.097 R)
• M5: 1,825,992 km (0.105 R)
• M6: 2,309,043 km (0.069 R)
• M7: 2,723,280 km (0.107 R)
• M8: 3,424,744 km (0.118 R)
• M9: 3,833,296 km (0.067 R)
• M10: 4,242,745 km (0.108 R)
• M11: 4,766,039 km (0.096 R)
• M12: 5,593,165 km (0.056 R)
• M13: 6,061,407 km (0.104 R)
• M14: 6,555,678 km (0.078 R)
• M15: 6,921,893 km (0.044 R)
• M16: 7,625,153 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.4

Radius: 8.3

Gravity: 11.33 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.65 AU - 1.71 AU

Year: 1385 Days

Day: 6.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 13,398,016 km

• M1: 103,223 km (0.049 R)
• M2: 395,088 km (0.053 R)
• M3: 885,769 km (0.107 R)
• M4: 1,190,051 km (0.074 R)
• M5: 1,537,118 km (0.087 R)
• M6: 1,856,360 km (0.087 R)
• M7: 2,127,731 km (0.069 R)
• M8: 2,683,786 km (0.069 R)
• M9: 4,012,963 km (0.103 R)
• M10: 4,432,884 km (0.062 R)
• M11: 5,003,750 km (0.114 R)
• M12: 5,600,495 km (0.093 R)
• M13: 7,064,460 km (0.059 R)
• M14: 7,926,892 km (0.096 R)
• M15: 8,441,957 km (0.093 R)
• M16: 8,857,840 km (0.118 R)
• M17: 9,666,416 km (0.058 R)
• M18: 10,188,064 km (0.028 R)
• M19: 10,489,503 km (0.08 R)
• M20: 11,251,705 km (0.116 R)
• M21: 12,124,758 km (0.075 R)
• M22: 12,886,211 km (0.058 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 18,405 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit