🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.74 AU - 1.1 AU

Year: 326 Days

Day: 37 Hours

Environment

Temp: 31 °C

Axial Tilt: 32.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.04 AU - 1.64 AU

Year: 572 Days

Day: 12.1 Hours

Environment

Temp: -25 °C

Axial Tilt: 42.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.52 AU - 2.84 AU

Year: 1619 Days

Day: 12.4 Hours

Environment

Temp: -93 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.2

Radius: 12.6

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.75 AU - 7.37 AU

Year: 5504 Days

Day: 7.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 114,487,059 km

• M1: 156,629 km (0.057 R)
• M2: 683,662 km (0.118 R)
• M3: 1,083,388 km (0.062 R)
• M4: 1,891,815 km (0.108 R)
• M5: 2,445,327 km (0.039 R)
• M6: 3,320,624 km (0.108 R)
• M7: 3,781,086 km (0.05 R)
• M8: 4,552,263 km (0.081 R)
• M9: 6,379,152 km (0.101 R)
• M10: 9,380,834 km (0.027 R)
• M11: 10,347,685 km (0.094 R)
• M12: 12,707,591 km (0.12 R)
• M13: 14,889,326 km (0.114 R)
• M14: 15,669,031 km (0.059 R)
• M15: 21,646,812 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.9

Radius: 6

Gravity: 10.66 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 13.34 AU - 14.78 AU

Year: 19452 Days

Day: 17.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 114,487,059 km

• M1: 74,649 km (0.091 R)
• M2: 376,837 km (0.084 R)
• M3: 747,541 km (0.054 R)
• M4: 1,180,776 km (0.107 R)
• M5: 1,528,591 km (0.094 R)
• M6: 1,819,708 km (0.066 R)
• M7: 4,729,836 km (0.104 R)
• M8: 7,625,303 km (0.096 R)
• M9: 7,902,059 km (0.114 R)
• M10: 10,086,038 km (0.081 R)
• M11: 10,307,742 km (0.077 R)
• M12: 15,972,415 km (0.109 R)
• M13: 18,656,350 km (0.087 R)
• M14: 34,485,900 km (0.056 R)
• M15: 48,125,186 km (0.111 R)
• M16: 56,036,370 km (0.088 R)
• M17: 59,754,177 km (0.066 R)
• M18: 60,116,503 km (0.068 R)
• M19: 60,845,792 km (0.044 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964.2

Radius: 6.1

Gravity: 25.91 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 16.33 AU - 22.13 AU

Year: 31113 Days

Day: 18.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 114,487,059 km

• M1: 75,846 km (0.087 R)
• M2: 321,486 km (0.086 R)
• M3: 743,053 km (0.101 R)
• M4: 1,310,777 km (0.103 R)
• M5: 1,677,291 km (0.049 R)
• M6: 3,617,875 km (0.108 R)
• M7: 3,824,918 km (0.115 R)
• M8: 4,113,193 km (0.082 R)
• M9: 5,503,257 km (0.103 R)
• M10: 6,862,653 km (0.083 R)
• M11: 7,846,408 km (0.089 R)
• M12: 13,128,410 km (0.116 R)
• M13: 25,790,374 km (0.066 R)
• M14: 28,412,376 km (0.056 R)
• M15: 32,079,618 km (0.072 R)
• M16: 37,011,112 km (0.086 R)
• M17: 38,483,903 km (0.106 R)
• M18: 41,198,206 km (0.115 R)
• M19: 42,248,084 km (0.097 R)
• M20: 42,601,883 km (0.087 R)
• M21: 43,315,615 km (0.082 R)
• M22: 46,438,021 km (0.079 R)
• M23: 52,512,144 km (0.116 R)
• M24: 57,562,867 km (0.117 R)
• M25: 64,319,605 km (0.03 R)
• M26: 64,553,426 km (0.1 R)
• M27: 67,163,909 km (0.047 R)
• M28: 70,586,858 km (0.069 R)
• M29: 81,550,586 km (0.083 R)
• M30: 83,481,596 km (0.093 R)
• M31: 85,725,564 km (0.118 R)
• M32: 88,876,245 km (0.119 R)
• M33: 106,118,895 km (0.04 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 12,756 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit