🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.41 AU - 0.61 AU

Year: 129 Days

Day: 23.1 Hours

Environment

Temp: 276 °C

Axial Tilt: 27.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.45 AU - 0.73 AU

Year: 160 Days

Day: 37.3 Hours

Environment

Temp: 181 °C

Axial Tilt: 31.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.78 AU - 0.9 AU

Year: 272 Days

Day: 18.3 Hours

Environment

Temp: 161 °C

Axial Tilt: 31.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.03 AU - 1.65 AU

Year: 548 Days

Day: 36 Hours

Environment

Temp: 15 °C

Axial Tilt: 19.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 29,389,273 km

• M1: 1,006,046 km (0.074 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.49 AU - 2.73 AU

Year: 1489 Days

Day: 37.2 Hours

Environment

Temp: -86 °C

Axial Tilt: 47.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.16 AU - 4.88 AU

Year: 2846 Days

Day: 25 Hours

Environment

Temp: -116 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Terrestrial

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.86 AU - 5.08 AU

Year: 3912 Days

Day: 39.1 Hours

Environment

Temp: -127 °C

Axial Tilt: 49.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.8

Radius: 8.2

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.54 AU - 7.52 AU

Year: 5892 Days

Day: 8.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,389,273 km

• M1: 102,026 km (0.114 R)
• M2: 467,643 km (0.118 R)
• M3: 758,760 km (0.066 R)
• M4: 2,430,517 km (0.027 R)
• M5: 2,735,397 km (0.107 R)
• M6: 3,046,710 km (0.102 R)
• M7: 3,484,733 km (0.089 R)
• M8: 3,762,835 km (0.081 R)
• M9: 4,364,219 km (0.049 R)
• M10: 5,440,575 km (0.059 R)
• M11: 9,556,761 km (0.115 R)
• M12: 10,717,640 km (0.081 R)
• M13: 11,355,376 km (0.065 R)
• M14: 11,921,903 km (0.094 R)
• M15: 12,309,810 km (0.034 R)
• M16: 15,266,463 km (0.102 R)
• M17: 16,309,160 km (0.108 R)
• M18: 16,848,011 km (0.045 R)
• M19: 20,128,543 km (0.065 R)
• M20: 22,907,623 km (0.083 R)
• M21: 26,013,574 km (0.099 R)
• M22: 26,997,329 km (0.09 R)
• M23: 27,498,482 km (0.115 R)

Kuiper Belt

Range: 31.1 - 46.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 17,143 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit