🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.43 AU - 0.63 AU

Year: 142 Days

Day: 13.3 Hours

Environment

Temp: 222 °C

Axial Tilt: 35.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.53 AU - 0.83 AU

Year: 207 Days

Day: 45.7 Hours

Environment

Temp: 190 °C

Axial Tilt: 34.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.5 AU - 1.52 AU

Year: 685 Days

Day: 38.5 Hours

Environment

Temp: -41 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.25 AU - 3.05 AU

Year: 1592 Days

Day: 29.3 Hours

Environment

Temp: -102 °C

Axial Tilt: 42.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.45 AU - 3.55 AU

Year: 1917 Days

Day: 46 Hours

Environment

Temp: -101 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.19 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.9

Radius: 12.7

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 8.29 AU - 10.47 AU

Year: 10599 Days

Day: 5.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,022,398 km

• M1: 158,275 km (0.025 R)
• M2: 591,510 km (0.1 R)
• M3: 1,672,654 km (0.08 R)
• M4: 2,711,461 km (0.105 R)
• M5: 3,626,103 km (0.065 R)
• M6: 4,085,069 km (0.049 R)
• M7: 5,915,698 km (0.061 R)
• M8: 6,324,100 km (0.084 R)
• M9: 6,831,237 km (0.046 R)
• M10: 8,705,250 km (0.113 R)
• M11: 16,796,699 km (0.082 R)
• M12: 19,427,378 km (0.095 R)
• M13: 20,084,262 km (0.076 R)
• M14: 23,500,928 km (0.118 R)
• M15: 42,000,949 km (0.104 R)
• M16: 45,211,169 km (0.089 R)
• M17: 53,224,678 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.1

Radius: 5.7

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 13.54 AU - 17.76 AU

Year: 22843 Days

Day: 15.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,022,398 km

• M1: 75,547 km (0.103 R)
• M2: 432,188 km (0.075 R)
• M3: 1,364,931 km (0.106 R)
• M4: 1,615,358 km (0.069 R)
• M5: 1,793,379 km (0.112 R)
• M6: 4,564,530 km (0.097 R)
• M7: 6,672,215 km (0.1 R)
• M8: 7,395,670 km (0.108 R)
• M9: 7,936,915 km (0.051 R)
• M10: 9,878,995 km (0.048 R)
• M11: 13,190,194 km (0.03 R)
• M12: 15,094,126 km (0.117 R)
• M13: 19,521,325 km (0.118 R)
• M14: 26,051,422 km (0.114 R)
• M15: 28,806,416 km (0.089 R)
• M16: 50,614,495 km (0.108 R)
• M17: 57,618,817 km (0.062 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 18,650 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit