🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.48 AU - 0.74 AU

Year: 213 Days

Day: 29.6 Hours

Environment

Temp: -10 °C

Axial Tilt: 3.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 27,766,024 km

• M1: 41,439 km (0.103 R)
• M2: 274,961 km (0.076 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.76 AU - 1.04 AU

Year: 381 Days

Day: 21.5 Hours

Environment

Temp: -61 °C

Axial Tilt: 45.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 27,766,024 km

• M1: 171,140 km (0.03 R)
• M2: 225,145 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.77 AU - 1.09 AU

Year: 400 Days

Day: 39.8 Hours

Environment

Temp: -56 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.02 AU - 1.68 AU

Year: 700 Days

Day: 16.5 Hours

Environment

Temp: -103 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.25 AU - 1.69 AU

Year: 795 Days

Day: 35.8 Hours

Environment

Temp: -108 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 27,766,024 km

• M1: 393,143 km (0.095 R)
• M2: 705,952 km (0.106 R)

Asteroid Belt

Center: 2.43 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.1

Radius: 14.2

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.59 AU - 4.19 AU

Year: 2785 Days

Day: 13.7 Hours

Environment

Temp: -151 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,766,024 km

• M1: 176,675 km (0.119 R)
• M2: 651,200 km (0.114 R)
• M3: 1,126,023 km (0.101 R)
• M4: 1,653,804 km (0.085 R)
• M5: 2,570,839 km (0.119 R)
• M6: 4,325,772 km (0.038 R)
• M7: 5,547,089 km (0.104 R)
• M8: 6,008,299 km (0.106 R)
• M9: 6,945,231 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 68.5

Radius: 5

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.75 AU - 12.09 AU

Year: 13942 Days

Day: 16.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,766,024 km

• M1: 62,233 km (0.109 R)
• M2: 390,600 km (0.098 R)
• M3: 1,499,868 km (0.113 R)
• M4: 1,808,788 km (0.051 R)
• M5: 3,504,480 km (0.108 R)
• M6: 4,772,770 km (0.117 R)
• M7: 6,197,092 km (0.116 R)
• M8: 11,379,760 km (0.096 R)
• M9: 12,660,617 km (0.111 R)
• M10: 14,034,823 km (0.099 R)
• M11: 17,256,563 km (0.045 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 19,640 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit