🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.53 AU - 0.65 AU

Year: 174 Days

Day: 38.8 Hours

Environment

Temp: 121 °C

Axial Tilt: 20 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.75 AU - 1.11 AU

Year: 345 Days

Day: 35.9 Hours

Environment

Temp: 24 °C

Axial Tilt: 48.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 69,037,433 km

• M1: 252,820 km (0.083 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.63 AU - 2.15 AU

Year: 1000 Days

Day: 22.9 Hours

Environment

Temp: -85 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 69,037,433 km

• M1: 179,667 km (0.105 R)
• M2: 1,406,669 km (0.058 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.42 AU - 2.58 AU

Year: 1522 Days

Day: 28.3 Hours

Environment

Temp: -111 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3 AU - 3.2 AU

Year: 2101 Days

Day: 17.3 Hours

Environment

Temp: -126 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.39 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.2

Radius: 13.2

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.8 AU - 9.56 AU

Year: 8194 Days

Day: 13.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,037,433 km

• M1: 164,109 km (0.11 R)
• M2: 1,356,254 km (0.059 R)
• M3: 1,899,444 km (0.097 R)
• M4: 2,364,544 km (0.086 R)
• M5: 2,844,155 km (0.09 R)
• M6: 5,016,465 km (0.074 R)
• M7: 6,020,866 km (0.109 R)
• M8: 9,370,960 km (0.117 R)
• M9: 13,682,520 km (0.06 R)
• M10: 15,634,922 km (0.066 R)
• M11: 16,167,640 km (0.091 R)
• M12: 19,090,184 km (0.112 R)
• M13: 23,454,702 km (0.097 R)
• M14: 26,897,697 km (0.085 R)
• M15: 33,107,505 km (0.103 R)
• M16: 33,986,991 km (0.116 R)
• M17: 37,542,483 km (0.092 R)
• M18: 43,525,800 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 270.4

Radius: 7.9

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 13.19 AU - 21.25 AU

Year: 27512 Days

Day: 16.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,037,433 km

• M1: 98,286 km (0.117 R)
• M2: 1,832,275 km (0.106 R)
• M3: 3,911,087 km (0.087 R)
• M4: 10,245,958 km (0.103 R)
• M5: 19,828,001 km (0.047 R)
• M6: 23,341,307 km (0.092 R)
• M7: 34,606,924 km (0.029 R)
• M8: 35,927,275 km (0.12 R)
• M9: 37,831,656 km (0.1 R)
• M10: 41,251,314 km (0.106 R)
• M11: 44,100,555 km (0.101 R)
• M12: 47,399,487 km (0.098 R)
• M13: 63,211,982 km (0.111 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 16,921 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit