🌌 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: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.52 AU - 0.84 AU

Year: 197 Days

Day: 31.2 Hours

Environment

Temp: 179 °C

Axial Tilt: 1.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.04 AU - 1.18 AU

Year: 411 Days

Day: 17.9 Hours

Environment

Temp: 43 °C

Axial Tilt: 3.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.48 AU - 2.26 AU

Year: 899 Days

Day: 32.8 Hours

Environment

Temp: -55 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.13 AU - 3.39 AU

Year: 1612 Days

Day: 46.7 Hours

Environment

Temp: -79 °C

Axial Tilt: 21.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.33 AU - 3.83 AU

Year: 2381 Days

Day: 32.7 Hours

Environment

Temp: -98 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 36,337,704 km

• M1: 422,764 km (0.098 R)
• M2: 2,669,724 km (0.106 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.91 AU - 4.69 AU

Year: 2603 Days

Day: 23.5 Hours

Environment

Temp: -108 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.38 AU - 4.68 AU

Year: 3389 Days

Day: 45.2 Hours

Environment

Temp: -127 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.7

Radius: 10.3

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 6.55 AU - 7.35 AU

Year: 6440 Days

Day: 10.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 36,337,704 km

• M1: 137,181 km (0.115 R)
• M2: 396,285 km (0.086 R)
• M3: 497,114 km (0.104 R)
• M4: 569,968 km (0.091 R)
• M5: 1,009,636 km (0.088 R)
• M6: 1,503,459 km (0.113 R)
• M7: 2,316,373 km (0.105 R)
• M8: 2,532,991 km (0.083 R)
• M9: 2,621,403 km (0.098 R)
• M10: 2,847,446 km (0.099 R)
• M11: 2,985,973 km (0.078 R)
• M12: 3,103,258 km (0.085 R)
• M13: 3,513,605 km (0.097 R)
• M14: 3,687,588 km (0.043 R)
• M15: 3,763,134 km (0.096 R)
• M16: 4,096,139 km (0.079 R)
• M17: 4,253,067 km (0.096 R)
• M18: 4,358,833 km (0.114 R)
• M19: 4,492,274 km (0.041 R)
• M20: 4,708,743 km (0.072 R)
• M21: 5,039,803 km (0.107 R)
• M22: 5,608,424 km (0.115 R)
• M23: 5,753,684 km (0.088 R)
• M24: 5,841,498 km (0.116 R)
• M25: 5,929,760 km (0.047 R)
• M26: 6,468,911 km (0.108 R)
• M27: 6,961,238 km (0.119 R)
• M28: 7,148,983 km (0.096 R)
• M29: 7,306,659 km (0.093 R)
• M30: 7,529,560 km (0.102 R)
• M31: 7,916,869 km (0.101 R)
• M32: 8,047,318 km (0.114 R)
• M33: 8,610,105 km (0.098 R)
• M34: 8,677,125 km (0.115 R)
• M35: 9,219,866 km (0.114 R)
• M36: 9,703,815 km (0.056 R)
• M37: 10,231,447 km (0.094 R)
• M38: 10,373,715 km (0.066 R)
• M39: 10,480,976 km (0.066 R)
• M40: 11,572,742 km (0.037 R)
• M41: 11,944,642 km (0.077 R)
• M42: 12,094,539 km (0.11 R)
• M43: 13,510,483 km (0.117 R)
• M44: 13,705,858 km (0.115 R)
• M45: 13,823,591 km (0.076 R)
• M46: 14,377,103 km (0.087 R)
• M47: 14,456,839 km (0.049 R)
• M48: 14,978,337 km (0.1 R)
• M49: 15,424,438 km (0.09 R)
• M50: 15,792,598 km (0.079 R)
• M51: 16,914,732 km (0.086 R)
• M52: 16,998,956 km (0.028 R)
• M53: 17,506,691 km (0.102 R)
• M54: 18,019,512 km (0.115 R)
• M55: 19,764,272 km (0.113 R)
• M56: 20,298,187 km (0.1 R)
• M57: 21,062,632 km (0.089 R)
• M58: 21,790,725 km (0.104 R)
• M59: 21,882,279 km (0.059 R)
• M60: 22,157,838 km (0.117 R)
• M61: 22,712,398 km (0.091 R)
• M62: 22,805,298 km (0.034 R)
• M63: 23,084,747 km (0.115 R)
• M64: 23,459,040 km (0.086 R)
• M65: 24,880,370 km (0.034 R)
• M66: 25,120,026 km (0.12 R)
• M67: 25,795,011 km (0.078 R)
• M68: 25,891,951 km (0.12 R)
• M69: 26,329,674 km (0.087 R)
• M70: 27,113,716 km (0.103 R)
• M71: 28,855,484 km (0.094 R)
• M72: 29,107,258 km (0.096 R)
• M73: 29,917,779 km (0.112 R)
• M74: 31,405,829 km (0.084 R)
• M75: 31,976,545 km (0.115 R)
• M76: 33,022,982 km (0.059 R)
• M77: 33,868,210 km (0.081 R)
• M78: 34,613,656 km (0.089 R)
• M79: 34,988,399 km (0.099 R)
• M80: 35,579,909 km (0.104 R)
• M81: 35,849,933 km (0.044 R)

Kuiper Belt

Range: 31.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 19,164 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit