🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.65 AU - 0.79 AU

Year: 227 Days

Day: 19.2 Hours

Environment

Temp: 134 °C

Axial Tilt: 7.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 2.68 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.3

Radius: 9

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.52 AU - 5.74 AU

Year: 3695 Days

Day: 5.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 110,229,312 km

• M1: 112,049 km (0.058 R)
• M2: 657,782 km (0.076 R)
• M3: 1,048,382 km (0.067 R)
• M4: 1,329,476 km (0.108 R)
• M5: 1,759,869 km (0.084 R)
• M6: 2,595,074 km (0.036 R)
• M7: 2,955,904 km (0.083 R)
• M8: 3,736,656 km (0.101 R)
• M9: 4,575,301 km (0.087 R)
• M10: 5,370,264 km (0.051 R)
• M11: 5,872,614 km (0.12 R)
• M12: 6,345,044 km (0.047 R)
• M13: 6,715,748 km (0.118 R)
• M14: 8,309,563 km (0.111 R)
• M15: 9,489,741 km (0.094 R)
• M16: 11,760,786 km (0.071 R)
• M17: 12,321,479 km (0.026 R)
• M18: 12,753,368 km (0.112 R)
• M19: 13,445,557 km (0.116 R)
• M20: 16,009,366 km (0.068 R)
• M21: 16,523,982 km (0.102 R)
• M22: 17,108,760 km (0.099 R)
• M23: 18,319,456 km (0.113 R)
• M24: 19,392,671 km (0.056 R)
• M25: 20,708,384 km (0.093 R)
• M26: 21,250,976 km (0.117 R)
• M27: 21,872,555 km (0.088 R)
• M28: 22,935,747 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.9

Radius: 12.9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.98 AU - 10.06 AU

Year: 9223 Days

Day: 7.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 110,229,312 km

• M1: 163,361 km (0.079 R)
• M2: 617,241 km (0.066 R)
• M3: 1,068,727 km (0.043 R)
• M4: 1,887,626 km (0.056 R)
• M5: 2,649,079 km (0.102 R)
• M6: 3,450,924 km (0.069 R)
• M7: 3,933,377 km (0.064 R)
• M8: 5,179,377 km (0.041 R)
• M9: 5,846,434 km (0.106 R)
• M10: 7,921,207 km (0.116 R)
• M11: 8,766,286 km (0.063 R)
• M12: 10,261,217 km (0.067 R)
• M13: 11,614,928 km (0.056 R)
• M14: 12,759,502 km (0.118 R)
• M15: 13,582,140 km (0.12 R)
• M16: 15,212,009 km (0.115 R)
• M17: 17,099,336 km (0.115 R)
• M18: 18,304,047 km (0.116 R)
• M19: 20,070,050 km (0.069 R)
• M20: 23,774,991 km (0.039 R)
• M21: 29,487,236 km (0.079 R)
• M22: 32,508,814 km (0.037 R)
• M23: 34,985,407 km (0.08 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.5

Radius: 3.7

Gravity: 64.61 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 18.34 AU - 19.64 AU

Year: 30690 Days

Day: 15.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 110,229,312 km

• M1: 46,076 km (0.093 R)
• M2: 222,452 km (0.077 R)
• M3: 606,619 km (0.111 R)
• M4: 1,830,330 km (0.099 R)
• M5: 2,438,894 km (0.069 R)
• M6: 4,005,633 km (0.051 R)
• M7: 4,492,274 km (0.068 R)
• M8: 5,997,079 km (0.115 R)
• M9: 6,940,294 km (0.06 R)
• M10: 11,485,526 km (0.042 R)
• M11: 11,780,084 km (0.092 R)
• M12: 12,384,310 km (0.109 R)
• M13: 17,395,988 km (0.078 R)
• M14: 23,964,831 km (0.084 R)
• M15: 26,560,653 km (0.112 R)
• M16: 29,065,520 km (0.059 R)
• M17: 29,337,938 km (0.117 R)
• M18: 32,157,259 km (0.033 R)
• M19: 32,448,676 km (0.102 R)
• M20: 38,001,150 km (0.116 R)
• M21: 39,481,870 km (0.107 R)
• M22: 40,829,896 km (0.057 R)
• M23: 41,171,728 km (0.098 R)
• M24: 43,617,653 km (0.074 R)
• M25: 43,795,973 km (0.114 R)
• M26: 48,033,034 km (0.114 R)
• M27: 49,762,685 km (0.115 R)
• M28: 75,903,416 km (0.084 R)
• M29: 79,569,013 km (0.106 R)
• M30: 87,534,052 km (0.033 R)
• M31: 91,562,424 km (0.052 R)
• M32: 95,112,381 km (0.077 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 14,468 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit