🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.43 AU - 0.69 AU

Year: 160 Days

Day: 47.7 Hours

Environment

Temp: 135 °C

Axial Tilt: 39.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,548,376 km

• M1: 30,368 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.51 AU - 0.69 AU

Year: 178 Days

Day: 30.9 Hours

Environment

Temp: 147 °C

Axial Tilt: 21.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.76 AU - 1.16 AU

Year: 360 Days

Day: 13.5 Hours

Environment

Temp: 16 °C

Axial Tilt: 36.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.99 AU - 1.13 AU

Year: 418 Days

Day: 17.8 Hours

Environment

Temp: -12 °C

Axial Tilt: 17.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.97

Radius: 0.99

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.73 AU - 3.75 AU

Year: 2233 Days

Day: 35.2 Hours

Environment

Temp: -112 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.9

Radius: 11.9

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.47 AU - 4.94 AU

Year: 3901 Days

Day: 9.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,548,376 km

• M1: 234,569 km (0.114 R)
• M2: 622,926 km (0.049 R)
• M3: 1,394,252 km (0.059 R)
• M4: 3,157,861 km (0.095 R)
• M5: 3,817,887 km (0.088 R)
• M6: 4,640,825 km (0.099 R)
• M7: 5,042,944 km (0.098 R)
• M8: 7,517,592 km (0.09 R)
• M9: 8,290,415 km (0.107 R)
• M10: 10,411,862 km (0.086 R)
• M11: 11,148,781 km (0.094 R)
• M12: 13,620,288 km (0.104 R)
• M13: 15,980,194 km (0.117 R)
• M14: 19,816,332 km (0.098 R)
• M15: 24,077,628 km (0.119 R)
• M16: 24,527,169 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.8

Radius: 13.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 10.58 AU - 10.98 AU

Year: 13552 Days

Day: 13.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 60,548,376 km

• M1: 172,935 km (0.068 R)
• M2: 663,167 km (0.103 R)
• M3: 1,258,716 km (0.084 R)
• M4: 1,722,919 km (0.069 R)
• M5: 2,226,316 km (0.1 R)
• M6: 3,618,324 km (0.053 R)
• M7: 4,677,925 km (0.069 R)
• M8: 6,088,035 km (0.115 R)
• M9: 7,018,235 km (0.074 R)
• M10: 7,948,434 km (0.119 R)
• M11: 8,564,628 km (0.04 R)
• M12: 9,732,688 km (0.117 R)
• M13: 11,120,208 km (0.111 R)
• M14: 11,770,959 km (0.035 R)
• M15: 14,012,234 km (0.049 R)
• M16: 14,492,593 km (0.068 R)
• M17: 15,705,084 km (0.066 R)
• M18: 16,525,030 km (0.113 R)
• M19: 18,008,292 km (0.1 R)
• M20: 19,749,163 km (0.073 R)
• M21: 24,737,803 km (0.058 R)
• M22: 27,308,942 km (0.072 R)
• M23: 32,258,836 km (0.115 R)
• M24: 41,880,672 km (0.12 R)
• M25: 44,924,241 km (0.058 R)
• M26: 48,112,321 km (0.077 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 13,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit