🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.49 AU - 0.53 AU

Year: 137 Days

Day: 46.8 Hours

Environment

Temp: 196 °C

Axial Tilt: 0.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.09 AU - 1.73 AU

Year: 631 Days

Day: 39.2 Hours

Environment

Temp: -48 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.5

Radius: 12.3

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 5.41 AU - 7.31 AU

Year: 6042 Days

Day: 12.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,805,472 km

• M1: 153,936 km (0.089 R)
• M2: 613,202 km (0.041 R)
• M3: 1,037,910 km (0.078 R)
• M4: 1,706,313 km (0.111 R)
• M5: 2,261,621 km (0.093 R)
• M6: 3,016,192 km (0.088 R)
• M7: 3,739,947 km (0.072 R)
• M8: 4,156,278 km (0.086 R)
• M9: 4,825,130 km (0.097 R)
• M10: 5,753,085 km (0.057 R)
• M11: 7,804,371 km (0.112 R)
• M12: 9,038,554 km (0.117 R)
• M13: 11,277,884 km (0.08 R)
• M14: 14,509,348 km (0.09 R)
• M15: 15,358,465 km (0.068 R)
• M16: 15,984,981 km (0.06 R)
• M17: 18,036,118 km (0.078 R)
• M18: 18,946,421 km (0.071 R)
• M19: 21,472,082 km (0.078 R)
• M20: 26,197,280 km (0.052 R)
• M21: 26,911,610 km (0.049 R)
• M22: 35,540,265 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.2

Radius: 10.2

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 9.15 AU - 11.23 AU

Year: 12254 Days

Day: 14.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 53,805,472 km

• M1: 126,859 km (0.11 R)
• M2: 706,252 km (0.036 R)
• M3: 1,231,041 km (0.042 R)
• M4: 1,649,915 km (0.11 R)
• M5: 2,003,714 km (0.065 R)
• M6: 2,823,809 km (0.107 R)
• M7: 3,485,630 km (0.106 R)
• M8: 4,218,510 km (0.116 R)
• M9: 4,761,999 km (0.089 R)
• M10: 5,149,907 km (0.092 R)
• M11: 6,288,646 km (0.116 R)
• M12: 9,503,205 km (0.028 R)
• M13: 10,384,935 km (0.088 R)
• M14: 11,491,061 km (0.069 R)
• M15: 12,310,858 km (0.115 R)
• M16: 12,858,236 km (0.114 R)
• M17: 16,930,739 km (0.118 R)
• M18: 20,078,877 km (0.106 R)
• M19: 20,923,057 km (0.083 R)
• M20: 21,527,882 km (0.073 R)
• M21: 22,055,513 km (0.118 R)
• M22: 22,412,155 km (0.095 R)
• M23: 23,045,402 km (0.115 R)
• M24: 28,233,307 km (0.078 R)
• M25: 32,170,125 km (0.108 R)
• M26: 32,976,008 km (0.094 R)
• M27: 34,868,421 km (0.077 R)
• M28: 37,208,431 km (0.072 R)
• M29: 41,382,960 km (0.118 R)
• M30: 46,004,337 km (0.064 R)
• M31: 49,421,601 km (0.114 R)
• M32: 50,186,196 km (0.039 R)
• M33: 50,958,719 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 555 - 11,103 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit