🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.16 AU - 1.54 AU

Year: 565 Days

Day: 47.9 Hours

Environment

Temp: -7 °C

Axial Tilt: 27.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 19,787,263 km

• M1: 28,723 km (0.097 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.12 AU - 3.16 AU

Year: 2002 Days

Day: 34.8 Hours

Environment

Temp: -95 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.31 AU - 5.19 AU

Year: 3153 Days

Day: 19 Hours

Environment

Temp: -121 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.7 AU - 5.12 AU

Year: 3333 Days

Day: 33.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 49.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.5

Radius: 12.6

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.46 AU - 5.76 AU

Year: 4782 Days

Day: 9.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 143 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 19,787,263 km

• M1: 156,629 km (0.077 R)
• M2: 812,616 km (0.035 R)
• M3: 1,271,881 km (0.099 R)
• M4: 2,045,003 km (0.114 R)
• M5: 3,546,966 km (0.112 R)
• M6: 4,085,518 km (0.039 R)
• M7: 5,480,368 km (0.114 R)
• M8: 6,175,101 km (0.087 R)
• M9: 7,547,512 km (0.036 R)
• M10: 8,103,268 km (0.047 R)
• M11: 9,150,752 km (0.102 R)
• M12: 9,974,737 km (0.11 R)
• M13: 10,685,028 km (0.097 R)
• M14: 11,260,681 km (0.104 R)
• M15: 11,987,427 km (0.095 R)
• M16: 14,160,186 km (0.119 R)
• M17: 14,604,492 km (0.061 R)
• M18: 16,475,513 km (0.094 R)
• M19: 17,133,295 km (0.111 R)
• M20: 18,268,443 km (0.075 R)
• M21: 18,677,444 km (0.114 R)
• M22: 19,332,383 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.1

Radius: 10.9

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.27 AU - 8.35 AU

Year: 7855 Days

Day: 11.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 19,787,263 km

• M1: 135,984 km (0.036 R)
• M2: 595,250 km (0.093 R)
• M3: 2,819,770 km (0.06 R)
• M4: 3,910,638 km (0.055 R)
• M5: 13,345,925 km (0.116 R)
• M6: 13,711,094 km (0.046 R)
• M7: 14,082,994 km (0.052 R)
• M8: 15,438,051 km (0.035 R)
• M9: 17,467,795 km (0.098 R)

Kuiper Belt

Range: 30.5 - 48.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 19,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit