🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.41 AU - 0.67 AU

Year: 252 Days

Day: 35.5 Hours

Environment

Temp: -116 °C

Axial Tilt: 15.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.4

Radius: 9.1

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.76 AU - 1.08 AU

Year: 561 Days

Day: 14.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,618,392 km

• M1: 113,246 km (0.105 R)
• M2: 474,674 km (0.108 R)
• M3: 779,255 km (0.116 R)
• M4: 1,087,726 km (0.104 R)
• M5: 1,684,921 km (0.074 R)
• M6: 1,987,258 km (0.099 R)
• M7: 2,459,389 km (0.084 R)
• M8: 2,811,243 km (0.084 R)
• M9: 3,749,072 km (0.118 R)
• M10: 4,074,148 km (0.085 R)
• M11: 4,555,405 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.7

Radius: 11.8

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.46 AU - 4.02 AU

Year: 3708 Days

Day: 12 Hours

Environment

Temp: -211 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,618,392 km

• M1: 147,504 km (0.116 R)
• M2: 731,085 km (0.103 R)
• M3: 2,261,621 km (0.12 R)
• M4: 2,782,072 km (0.075 R)
• M5: 3,736,955 km (0.083 R)
• M6: 5,416,939 km (0.058 R)
• M7: 5,884,133 km (0.099 R)
• M8: 6,659,349 km (0.089 R)
• M9: 8,274,408 km (0.077 R)
• M10: 11,081,761 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.1

Radius: 7.9

Gravity: 13.43 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.05 AU - 7.55 AU

Year: 12541 Days

Day: 18.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,618,392 km

• M1: 98,435 km (0.114 R)
• M2: 553,363 km (0.108 R)
• M3: 962,812 km (0.11 R)
• M4: 1,336,059 km (0.053 R)
• M5: 1,689,259 km (0.116 R)
• M6: 3,212,016 km (0.07 R)
• M7: 4,260,697 km (0.107 R)
• M8: 4,896,787 km (0.113 R)
• M9: 5,521,957 km (0.091 R)
• M10: 5,967,609 km (0.051 R)
• M11: 6,317,368 km (0.109 R)
• M12: 6,846,646 km (0.061 R)
• M13: 10,439,388 km (0.086 R)
• M14: 10,890,575 km (0.092 R)
• M15: 11,179,150 km (0.103 R)
• M16: 11,771,557 km (0.05 R)
• M17: 12,447,141 km (0.048 R)
• M18: 15,628,041 km (0.084 R)
• M19: 16,144,004 km (0.098 R)
• M20: 16,900,819 km (0.076 R)
• M21: 20,777,199 km (0.067 R)
• M22: 22,874,113 km (0.11 R)
• M23: 26,020,455 km (0.063 R)
• M24: 26,536,867 km (0.117 R)
• M25: 27,483,373 km (0.106 R)
• M26: 37,299,835 km (0.066 R)
• M27: 40,659,504 km (0.116 R)
• M28: 41,215,111 km (0.077 R)
• M29: 47,665,472 km (0.085 R)
• M30: 48,283,162 km (0.052 R)
• M31: 49,534,697 km (0.085 R)
• M32: 51,776,721 km (0.104 R)
• M33: 58,025,723 km (0.086 R)
• M34: 59,084,277 km (0.117 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: 375 - 17,138 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit