🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.58 AU - 0.66 AU

Year: 187 Days

Day: 16.5 Hours

Environment

Temp: 195 °C

Axial Tilt: 14.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 43,159,903 km

• M1: 35,455 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.65 AU - 0.85 AU

Year: 249 Days

Day: 28.8 Hours

Environment

Temp: 147 °C

Axial Tilt: 138.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 43,159,903 km

• M1: 70,311 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.85 AU - 1.23 AU

Year: 406 Days

Day: 19 Hours

Environment

Temp: -8 °C

Axial Tilt: 23.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.08 AU - 1.1 AU

Year: 436 Days

Day: 13.9 Hours

Environment

Temp: -18 °C

Axial Tilt: 4.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 43,159,903 km

• M1: 34,557 km (0.101 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.05 AU - 1.19 AU

Year: 454 Days

Day: 35.9 Hours

Environment

Temp: -12 °C

Axial Tilt: 1.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 43,159,903 km

• M1: 77,342 km (0.099 R)
• M2: 381,774 km (0.093 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.48 AU - 1.6 AU

Year: 732 Days

Day: 12.7 Hours

Environment

Temp: -56 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,159,903 km

• M1: 540,796 km (0.101 R)
• M2: 952,340 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.3

Radius: 9.3

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.88 AU - 8.76 AU

Year: 8373 Days

Day: 8.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,159,903 km

• M1: 115,639 km (0.034 R)
• M2: 434,881 km (0.032 R)
• M3: 1,070,672 km (0.102 R)
• M4: 2,025,106 km (0.112 R)
• M5: 2,440,540 km (0.109 R)
• M6: 4,471,480 km (0.094 R)
• M7: 4,875,993 km (0.119 R)
• M8: 5,304,740 km (0.101 R)
• M9: 5,659,287 km (0.108 R)
• M10: 6,560,315 km (0.074 R)
• M11: 8,087,111 km (0.068 R)
• M12: 8,866,516 km (0.04 R)
• M13: 11,137,113 km (0.08 R)
• M14: 11,665,941 km (0.07 R)
• M15: 12,946,200 km (0.106 R)
• M16: 13,471,737 km (0.046 R)
• M17: 14,379,347 km (0.055 R)
• M18: 15,327,199 km (0.106 R)
• M19: 17,067,920 km (0.061 R)
• M20: 26,456,982 km (0.119 R)
• M21: 30,256,469 km (0.095 R)
• M22: 32,659,609 km (0.082 R)
• M23: 33,306,919 km (0.086 R)
• M24: 33,962,606 km (0.04 R)
• M25: 34,404,668 km (0.11 R)
• M26: 38,198,470 km (0.1 R)
• M27: 39,766,555 km (0.106 R)
• M28: 40,134,566 km (0.113 R)
• M29: 41,628,899 km (0.112 R)
• M30: 42,773,622 km (0.089 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 13,796 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit