🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.54 AU - 0.76 AU

Year: 200 Days

Day: 17.8 Hours

Environment

Temp: 159 °C

Axial Tilt: 10.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.77 AU - 0.93 AU

Year: 298 Days

Day: 17.9 Hours

Environment

Temp: 40 °C

Axial Tilt: 39.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 43,023,030 km

• M1: 209,287 km (0.064 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.87 AU - 1.23 AU

Year: 410 Days

Day: 44 Hours

Environment

Temp: 13 °C

Axial Tilt: 26.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.28 AU - 1.58 AU

Year: 651 Days

Day: 21.2 Hours

Environment

Temp: -56 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.53 AU - 2.17 AU

Year: 958 Days

Day: 32.4 Hours

Environment

Temp: -73 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.16 AU - 3.16 AU

Year: 1652 Days

Day: 32.7 Hours

Environment

Temp: -105 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.78 AU - 3.74 AU

Year: 2241 Days

Day: 27.7 Hours

Environment

Temp: -114 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,023,030 km

• M1: 122,072 km (0.042 R)

Asteroid Belt

Center: 5.6 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.4

Radius: 15

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.01 AU - 9.87 AU

Year: 8520 Days

Day: 9.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,023,030 km

• M1: 187,147 km (0.104 R)
• M2: 863,928 km (0.078 R)
• M3: 1,450,351 km (0.072 R)
• M4: 2,054,876 km (0.04 R)
• M5: 3,270,359 km (0.074 R)
• M6: 4,168,545 km (0.087 R)
• M7: 5,509,091 km (0.1 R)
• M8: 7,274,645 km (0.117 R)
• M9: 7,912,680 km (0.056 R)
• M10: 8,762,546 km (0.098 R)
• M11: 10,248,202 km (0.1 R)
• M12: 11,521,430 km (0.082 R)
• M13: 13,478,170 km (0.061 R)
• M14: 15,260,479 km (0.107 R)
• M15: 15,778,835 km (0.112 R)
• M16: 16,646,054 km (0.049 R)
• M17: 18,258,121 km (0.059 R)
• M18: 29,080,928 km (0.082 R)
• M19: 34,865,130 km (0.106 R)
• M20: 35,993,397 km (0.096 R)
• M21: 39,646,128 km (0.112 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 12,318 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit