🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.74 AU - 0.74 AU

Year: 224 Days

Day: 40.9 Hours

Environment

Temp: 188 °C

Axial Tilt: 15.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,752,997 km

• M1: 35,006 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.8

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.86 AU - 1.28 AU

Year: 389 Days

Day: 47.9 Hours

Environment

Temp: 107 °C

Axial Tilt: 9.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.92 AU - 1.26 AU

Year: 400 Days

Day: 22.3 Hours

Environment

Temp: 43 °C

Axial Tilt: 36.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.1 AU - 1.48 AU

Year: 515 Days

Day: 17.7 Hours

Environment

Temp: 25 °C

Axial Tilt: 30 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.7 AU - 3.42 AU

Year: 1881 Days

Day: 34.6 Hours

Environment

Temp: -103 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.8

Radius: 14.7

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.72 AU - 9.42 AU

Year: 8057 Days

Day: 9.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,752,997 km

• M1: 263,143 km (0.096 R)
• M2: 971,489 km (0.043 R)
• M3: 1,632,262 km (0.087 R)
• M4: 2,484,372 km (0.115 R)
• M5: 3,404,698 km (0.095 R)
• M6: 6,824,954 km (0.106 R)
• M7: 8,667,551 km (0.107 R)
• M8: 10,053,575 km (0.108 R)
• M9: 10,684,280 km (0.047 R)
• M10: 14,468,657 km (0.072 R)
• M11: 17,482,007 km (0.095 R)
• M12: 27,319,862 km (0.055 R)
• M13: 31,788,800 km (0.084 R)

Asteroid Belt

Center: 9.14 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.9

Radius: 12.9

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.05 AU - 11.37 AU

Year: 11466 Days

Day: 7.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 147.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,752,997 km

• M1: 160,519 km (0.068 R)
• M2: 768,634 km (0.08 R)
• M3: 1,800,560 km (0.111 R)
• M4: 3,115,525 km (0.097 R)
• M5: 4,133,838 km (0.115 R)
• M6: 5,858,851 km (0.076 R)
• M7: 6,270,245 km (0.094 R)
• M8: 7,235,301 km (0.077 R)
• M9: 7,977,157 km (0.038 R)
• M10: 9,359,292 km (0.057 R)
• M11: 10,674,107 km (0.102 R)
• M12: 17,640,581 km (0.08 R)
• M13: 22,234,283 km (0.116 R)
• M14: 24,564,270 km (0.111 R)
• M15: 25,937,877 km (0.111 R)
• M16: 27,465,720 km (0.116 R)
• M17: 33,702,306 km (0.114 R)
• M18: 35,151,610 km (0.118 R)
• M19: 43,591,024 km (0.079 R)
• M20: 49,807,713 km (0.099 R)
• M21: 54,265,431 km (0.102 R)

Kuiper Belt

Range: 31.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 12,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit