🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.68 AU - 1.04 AU

Year: 283 Days

Day: 25.1 Hours

Environment

Temp: 176 °C

Axial Tilt: 43.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.86 AU - 1.06 AU

Year: 334 Days

Day: 17.5 Hours

Environment

Temp: 94 °C

Axial Tilt: 43.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.06 AU - 1.46 AU

Year: 502 Days

Day: 43.5 Hours

Environment

Temp: 3 °C

Axial Tilt: 48.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 75,697,771 km

• M1: 120,426 km (0.103 R)
• M2: 243,845 km (0.091 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.96 AU - 2.9 AU

Year: 1344 Days

Day: 24.1 Hours

Environment

Temp: -72 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.28 AU - 3.04 AU

Year: 1539 Days

Day: 20.5 Hours

Environment

Temp: -82 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.5

Radius: 13.8

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 9.14 AU - 11.8 AU

Year: 12019 Days

Day: 14.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,697,771 km

• M1: 171,738 km (0.115 R)
• M2: 702,063 km (0.094 R)
• M3: 1,148,762 km (0.118 R)
• M4: 1,644,529 km (0.088 R)
• M5: 2,634,419 km (0.066 R)
• M6: 3,088,298 km (0.049 R)
• M7: 4,997,616 km (0.115 R)
• M8: 5,493,084 km (0.037 R)
• M9: 7,641,010 km (0.114 R)
• M10: 12,664,657 km (0.073 R)
• M11: 21,985,950 km (0.059 R)
• M12: 27,557,723 km (0.096 R)
• M13: 29,111,297 km (0.088 R)
• M14: 38,779,807 km (0.025 R)
• M15: 43,844,443 km (0.114 R)
• M16: 45,959,607 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290

Radius: 3.8

Gravity: 20.08 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 15.88 AU - 23.08 AU

Year: 30501 Days

Day: 18.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,697,771 km

• M1: 139,874 km (0.072 R)
• M2: 445,802 km (0.078 R)
• M3: 680,072 km (0.085 R)
• M4: 2,172,610 km (0.097 R)
• M5: 4,745,095 km (0.073 R)
• M6: 6,020,118 km (0.064 R)
• M7: 11,696,758 km (0.11 R)
• M8: 12,633,540 km (0.039 R)
• M9: 14,579,659 km (0.086 R)
• M10: 22,094,409 km (0.075 R)
• M11: 23,416,854 km (0.088 R)
• M12: 30,827,035 km (0.112 R)
• M13: 46,670,347 km (0.082 R)
• M14: 61,488,016 km (0.093 R)
• M15: 67,607,467 km (0.117 R)

Kuiper Belt

Range: 30.9 - 45.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 16,625 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit