🌌 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: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.44 AU - 0.6 AU

Year: 133 Days

Day: 12.5 Hours

Environment

Temp: 276 °C

Axial Tilt: 43.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 73,544,195 km

• M1: 306,227 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.47 AU - 4.29 AU

Year: 2711 Days

Day: 15.4 Hours

Environment

Temp: -125 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Ice Giant

Semi-Major Axis: 14.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.8

Radius: 4.5

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 11.68 AU - 17.92 AU

Year: 20199 Days

Day: 20.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,544,195 km

• M1: 122,371 km (0.117 R)
• M2: 729,589 km (0.117 R)
• M3: 1,462,918 km (0.104 R)
• M4: 2,519,527 km (0.108 R)
• M5: 2,930,323 km (0.116 R)
• M6: 3,394,525 km (0.045 R)
• M7: 4,377,234 km (0.066 R)
• M8: 7,194,760 km (0.081 R)
• M9: 10,676,650 km (0.032 R)
• M10: 16,456,215 km (0.111 R)
• M11: 35,729,656 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.4

Radius: 5.1

Gravity: 21.35 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 13.69 AU - 16.79 AU

Year: 21106 Days

Day: 17.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 73,544,195 km

• M1: 109,356 km (0.12 R)
• M2: 225,743 km (0.055 R)
• M3: 444,306 km (0.092 R)
• M4: 557,551 km (0.107 R)
• M5: 658,679 km (0.095 R)
• M6: 858,243 km (0.105 R)
• M7: 1,018,313 km (0.115 R)
• M8: 2,112,771 km (0.066 R)
• M9: 3,002,728 km (0.118 R)
• M10: 3,652,282 km (0.103 R)
• M11: 3,849,752 km (0.078 R)
• M12: 4,260,697 km (0.1 R)
• M13: 4,402,366 km (0.09 R)
• M14: 4,879,135 km (0.057 R)
• M15: 7,034,092 km (0.113 R)
• M16: 7,262,229 km (0.032 R)
• M17: 7,447,431 km (0.104 R)
• M18: 8,114,039 km (0.086 R)
• M19: 8,657,977 km (0.106 R)
• M20: 9,533,723 km (0.084 R)
• M21: 10,674,107 km (0.037 R)
• M22: 11,703,041 km (0.062 R)
• M23: 12,116,081 km (0.032 R)
• M24: 13,273,520 km (0.119 R)
• M25: 13,650,058 km (0.119 R)
• M26: 15,009,454 km (0.037 R)
• M27: 18,067,982 km (0.085 R)
• M28: 21,969,195 km (0.05 R)
• M29: 25,038,794 km (0.082 R)
• M30: 26,077,452 km (0.033 R)
• M31: 26,604,785 km (0.111 R)
• M32: 26,781,759 km (0.026 R)
• M33: 27,765,365 km (0.091 R)
• M34: 28,036,735 km (0.12 R)
• M35: 38,367,815 km (0.094 R)
• M36: 40,628,388 km (0.101 R)
• M37: 41,396,424 km (0.041 R)
• M38: 45,575,141 km (0.106 R)
• M39: 46,155,281 km (0.12 R)
• M40: 47,326,483 km (0.097 R)
• M41: 54,283,532 km (0.078 R)
• M42: 60,246,054 km (0.116 R)
• M43: 61,987,374 km (0.051 R)
• M44: 67,079,685 km (0.102 R)
• M45: 70,778,493 km (0.071 R)

Kuiper Belt

Range: 30.9 - 56.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 16,623 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit