🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.65 AU - 1.01 AU

Year: 280 Days

Day: 39.7 Hours

Environment

Temp: 163 °C

Axial Tilt: 37.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.87 AU - 1.11 AU

Year: 365 Days

Day: 45.4 Hours

Environment

Temp: 13 °C

Axial Tilt: 34.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.05 AU - 1.25 AU

Year: 457 Days

Day: 25.1 Hours

Environment

Temp: 9 °C

Axial Tilt: 120.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.92 AU - 2.14 AU

Year: 1073 Days

Day: 33.5 Hours

Environment

Temp: -64 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2 AU - 3.22 AU

Year: 1564 Days

Day: 18.2 Hours

Environment

Temp: -101 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,671,051 km

• M1: 1,089,521 km (0.11 R)

Asteroid Belt

Center: 6.08 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.9

Radius: 14.6

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.45 AU - 11.65 AU

Year: 10945 Days

Day: 13.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,671,051 km

• M1: 211,531 km (0.056 R)
• M2: 845,078 km (0.069 R)
• M3: 3,107,746 km (0.066 R)
• M4: 3,838,083 km (0.103 R)
• M5: 5,074,360 km (0.107 R)
• M6: 5,675,294 km (0.113 R)
• M7: 6,223,271 km (0.091 R)
• M8: 11,406,688 km (0.053 R)
• M9: 12,819,191 km (0.101 R)
• M10: 17,220,360 km (0.105 R)
• M11: 17,689,200 km (0.058 R)
• M12: 25,615,494 km (0.08 R)
• M13: 33,512,317 km (0.098 R)
• M14: 34,349,915 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.7

Radius: 3.3

Gravity: 18.25 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 10.93 AU - 17.79 AU

Year: 20181 Days

Day: 18.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,671,051 km

• M1: 1,275,920 km (0.113 R)
• M2: 2,462,830 km (0.108 R)
• M3: 4,122,917 km (0.117 R)
• M4: 4,472,677 km (0.059 R)
• M5: 5,781,509 km (0.104 R)
• M6: 6,996,992 km (0.099 R)
• M7: 8,603,224 km (0.113 R)
• M8: 10,229,353 km (0.072 R)
• M9: 11,031,945 km (0.117 R)
• M10: 11,589,646 km (0.067 R)
• M11: 17,781,951 km (0.12 R)
• M12: 21,830,668 km (0.109 R)
• M13: 23,517,384 km (0.101 R)
• M14: 25,003,639 km (0.086 R)
• M15: 26,650,113 km (0.114 R)
• M16: 38,699,623 km (0.115 R)
• M17: 41,959,510 km (0.072 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 15,558 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit