🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.67 AU - 0.81 AU

Year: 227 Days

Day: 35.3 Hours

Environment

Temp: 176 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.7 AU - 0.86 AU

Year: 246 Days

Day: 14.9 Hours

Environment

Temp: 130 °C

Axial Tilt: 32.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.43 AU - 2.75 AU

Year: 1486 Days

Day: 19.1 Hours

Environment

Temp: -81 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.9 AU - 4.52 AU

Year: 2547 Days

Day: 40.4 Hours

Environment

Temp: -120 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,241,651 km

• M1: 1,755,232 km (0.116 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 3.84 AU - 5.86 AU

Year: 3807 Days

Day: 47.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.7

Radius: 14.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 8.26 AU - 12.9 AU

Year: 12267 Days

Day: 14.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,241,651 km

• M1: 196,721 km (0.115 R)
• M2: 853,456 km (0.073 R)
• M3: 1,558,211 km (0.114 R)
• M4: 3,502,984 km (0.118 R)
• M5: 4,067,417 km (0.094 R)
• M6: 4,663,863 km (0.066 R)
• M7: 7,036,785 km (0.118 R)
• M8: 8,400,968 km (0.114 R)
• M9: 10,618,606 km (0.096 R)
• M10: 12,802,436 km (0.119 R)
• M11: 18,258,271 km (0.074 R)
• M12: 20,740,249 km (0.113 R)
• M13: 21,534,763 km (0.09 R)
• M14: 22,185,065 km (0.1 R)
• M15: 28,934,323 km (0.119 R)
• M16: 32,084,555 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.5

Radius: 4.3

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 17.28 AU - 19.8 AU

Year: 28455 Days

Day: 19.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,241,651 km

• M1: 53,556 km (0.116 R)
• M2: 2,319,665 km (0.082 R)
• M3: 3,585,562 km (0.099 R)
• M4: 4,201,007 km (0.113 R)
• M5: 6,194,997 km (0.108 R)
• M6: 10,060,307 km (0.109 R)
• M7: 11,215,951 km (0.095 R)
• M8: 16,652,038 km (0.068 R)
• M9: 16,875,986 km (0.065 R)
• M10: 17,177,725 km (0.104 R)
• M11: 19,973,261 km (0.075 R)
• M12: 27,366,836 km (0.103 R)
• M13: 39,090,672 km (0.103 R)
• M14: 41,504,732 km (0.077 R)
• M15: 42,469,788 km (0.104 R)
• M16: 50,890,952 km (0.1 R)

Kuiper Belt

Range: 30.8 - 60.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 14,756 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit