🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.01

Radius: 1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.65 AU - 0.69 AU

Year: 200 Days

Day: 46.9 Hours

Environment

Temp: 192 °C

Axial Tilt: 17 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.01 AU - 1.49 AU

Year: 510 Days

Day: 37.5 Hours

Environment

Temp: -8 °C

Axial Tilt: 35.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.12 AU - 1.74 AU

Year: 625 Days

Day: 38.4 Hours

Environment

Temp: -25 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.6

Radius: 14.2

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.05 AU - 8.77 AU

Year: 7367 Days

Day: 8 Hours

Environment

Temp: -171 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,641,123 km

• M1: 176,525 km (0.118 R)
• M2: 654,341 km (0.101 R)
• M3: 1,104,930 km (0.089 R)
• M4: 1,603,689 km (0.062 R)
• M5: 2,158,697 km (0.06 R)
• M6: 3,309,853 km (0.064 R)
• M7: 3,998,751 km (0.103 R)
• M8: 5,603,188 km (0.071 R)
• M9: 6,448,416 km (0.047 R)
• M10: 7,527,466 km (0.116 R)
• M11: 9,149,705 km (0.085 R)
• M12: 9,769,339 km (0.062 R)
• M13: 10,322,702 km (0.09 R)
• M14: 12,586,566 km (0.07 R)
• M15: 13,863,683 km (0.096 R)
• M16: 16,805,077 km (0.086 R)
• M17: 17,466,599 km (0.067 R)
• M18: 18,561,206 km (0.054 R)
• M19: 20,736,210 km (0.031 R)
• M20: 22,515,228 km (0.037 R)
• M21: 23,811,343 km (0.079 R)
• M22: 24,562,175 km (0.095 R)
• M23: 25,414,733 km (0.112 R)
• M24: 29,402,265 km (0.086 R)
• M25: 33,789,372 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.4

Radius: 11.3

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 11.51 AU - 12.1 AU

Year: 14805 Days

Day: 7.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,641,123 km

• M1: 140,472 km (0.057 R)
• M2: 565,480 km (0.057 R)
• M3: 1,544,000 km (0.07 R)
• M4: 2,088,835 km (0.074 R)
• M5: 3,431,476 km (0.12 R)
• M6: 3,850,649 km (0.044 R)
• M7: 4,658,627 km (0.114 R)
• M8: 8,494,466 km (0.111 R)
• M9: 10,196,142 km (0.116 R)
• M10: 12,892,195 km (0.085 R)
• M11: 15,055,979 km (0.108 R)
• M12: 16,340,276 km (0.108 R)
• M13: 16,731,475 km (0.063 R)
• M14: 17,943,068 km (0.047 R)
• M15: 22,694,147 km (0.087 R)
• M16: 23,675,957 km (0.083 R)
• M17: 25,514,366 km (0.047 R)
• M18: 30,288,333 km (0.1 R)
• M19: 30,642,132 km (0.098 R)
• M20: 31,357,808 km (0.063 R)
• M21: 31,719,835 km (0.092 R)
• M22: 32,946,986 km (0.065 R)
• M23: 39,842,401 km (0.056 R)
• M24: 41,414,974 km (0.056 R)
• M25: 42,584,530 km (0.068 R)
• M26: 43,177,386 km (0.07 R)
• M27: 47,166,413 km (0.055 R)
• M28: 51,394,797 km (0.047 R)
• M29: 58,200,902 km (0.118 R)
• M30: 63,249,681 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.8

Radius: 7.1

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 16.44 AU - 21.26 AU

Year: 29892 Days

Day: 24.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,641,123 km

• M1: 89,460 km (0.112 R)
• M2: 443,109 km (0.1 R)
• M3: 681,269 km (0.104 R)
• M4: 902,823 km (0.109 R)
• M5: 1,201,121 km (0.077 R)
• M6: 1,581,100 km (0.102 R)
• M7: 2,140,596 km (0.045 R)
• M8: 2,443,681 km (0.054 R)
• M9: 3,136,469 km (0.097 R)
• M10: 5,551,577 km (0.109 R)
• M11: 5,793,028 km (0.092 R)
• M12: 7,061,468 km (0.083 R)
• M13: 7,297,534 km (0.092 R)
• M14: 8,399,771 km (0.082 R)
• M15: 11,634,077 km (0.099 R)
• M16: 12,781,193 km (0.04 R)
• M17: 14,075,963 km (0.069 R)
• M18: 14,299,911 km (0.078 R)
• M19: 17,007,782 km (0.07 R)
• M20: 20,705,542 km (0.064 R)
• M21: 25,344,273 km (0.108 R)
• M22: 25,565,079 km (0.112 R)
• M23: 26,235,577 km (0.081 R)
• M24: 31,514,587 km (0.085 R)
• M25: 37,317,488 km (0.083 R)
• M26: 39,944,427 km (0.107 R)
• M27: 40,393,968 km (0.066 R)
• M28: 46,879,934 km (0.12 R)
• M29: 47,212,938 km (0.077 R)
• M30: 55,315,309 km (0.059 R)
• M31: 57,191,565 km (0.101 R)
• M32: 63,480,061 km (0.114 R)
• M33: 69,347,290 km (0.07 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: 269 - 16,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit