🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.59 AU - 0.71 AU

Year: 192 Days

Day: 20.7 Hours

Environment

Temp: 163 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.27 AU - 1.37 AU

Year: 557 Days

Day: 29 Hours

Environment

Temp: -13 °C

Axial Tilt: 5.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.9 AU - 3.02 AU

Year: 1416 Days

Day: 15 Hours

Environment

Temp: -85 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.98 AU - 4.18 AU

Year: 2487 Days

Day: 29.9 Hours

Environment

Temp: -126 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,454,304 km

• M1: 2,161,689 km (0.06 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.76 AU - 3.94 AU

Year: 2773 Days

Day: 45.3 Hours

Environment

Temp: -114 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 65,454,304 km

• M1: 285,732 km (0.086 R)
• M2: 1,408,015 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.7

Radius: 9.3

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 10.54 AU - 13.48 AU

Year: 15279 Days

Day: 5.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 65,454,304 km

• M1: 189,391 km (0.118 R)
• M2: 508,034 km (0.11 R)
• M3: 567,275 km (0.099 R)
• M4: 639,980 km (0.09 R)
• M5: 749,785 km (0.112 R)
• M6: 902,524 km (0.118 R)
• M7: 1,239,119 km (0.081 R)
• M8: 1,378,844 km (0.078 R)
• M9: 1,465,311 km (0.117 R)
• M10: 1,751,342 km (0.08 R)
• M11: 1,893,011 km (0.09 R)
• M12: 2,137,754 km (0.074 R)
• M13: 2,221,678 km (0.041 R)
• M14: 3,668,589 km (0.077 R)
• M15: 4,502,597 km (0.069 R)
• M16: 4,896,638 km (0.062 R)
• M17: 5,030,378 km (0.103 R)
• M18: 5,301,749 km (0.07 R)
• M19: 5,485,305 km (0.038 R)
• M20: 6,120,348 km (0.117 R)
• M21: 6,313,030 km (0.105 R)
• M22: 6,581,259 km (0.119 R)
• M23: 7,154,069 km (0.108 R)
• M24: 7,255,347 km (0.106 R)
• M25: 7,510,561 km (0.065 R)
• M26: 8,803,835 km (0.119 R)
• M27: 8,912,443 km (0.053 R)
• M28: 9,378,889 km (0.106 R)
• M29: 9,825,289 km (0.098 R)
• M30: 10,107,879 km (0.115 R)
• M31: 10,421,736 km (0.111 R)
• M32: 10,913,165 km (0.1 R)
• M33: 11,146,986 km (0.066 R)
• M34: 11,619,715 km (0.069 R)
• M35: 11,918,462 km (0.081 R)
• M36: 13,481,461 km (0.115 R)
• M37: 14,048,437 km (0.05 R)
• M38: 14,143,731 km (0.101 R)
• M39: 14,207,310 km (0.098 R)
• M40: 14,719,682 km (0.061 R)
• M41: 14,881,099 km (0.06 R)
• M42: 14,945,725 km (0.077 R)
• M43: 15,663,795 km (0.118 R)
• M44: 16,293,003 km (0.082 R)
• M45: 19,031,542 km (0.089 R)
• M46: 22,278,414 km (0.085 R)
• M47: 23,060,362 km (0.1 R)
• M48: 23,511,250 km (0.105 R)
• M49: 24,002,978 km (0.114 R)
• M50: 24,459,850 km (0.034 R)
• M51: 24,727,780 km (0.103 R)
• M52: 25,770,028 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.9

Radius: 7.4

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 14.31 AU - 22.25 AU

Year: 28690 Days

Day: 17.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 65,454,304 km

• M1: 981,512 km (0.091 R)
• M2: 1,598,752 km (0.062 R)
• M3: 1,886,280 km (0.109 R)
• M4: 2,128,030 km (0.035 R)
• M5: 2,541,967 km (0.116 R)
• M6: 2,775,190 km (0.117 R)
• M7: 3,191,072 km (0.112 R)
• M8: 3,775,850 km (0.066 R)
• M9: 5,125,223 km (0.067 R)
• M10: 5,335,258 km (0.114 R)
• M11: 5,505,202 km (0.067 R)
• M12: 5,850,773 km (0.068 R)
• M13: 6,247,805 km (0.116 R)
• M14: 6,562,709 km (0.113 R)
• M15: 6,790,846 km (0.061 R)
• M16: 6,975,150 km (0.092 R)
• M17: 7,348,846 km (0.108 R)
• M18: 7,776,995 km (0.086 R)
• M19: 8,164,453 km (0.046 R)
• M20: 9,059,049 km (0.084 R)
• M21: 9,109,762 km (0.098 R)
• M22: 11,757,794 km (0.084 R)
• M23: 11,868,497 km (0.095 R)
• M24: 13,568,228 km (0.078 R)
• M25: 15,524,070 km (0.082 R)
• M26: 16,441,853 km (0.107 R)
• M27: 16,565,571 km (0.116 R)
• M28: 17,440,120 km (0.077 R)
• M29: 18,974,096 km (0.086 R)
• M30: 19,691,418 km (0.065 R)
• M31: 20,152,628 km (0.105 R)
• M32: 20,285,022 km (0.032 R)
• M33: 20,417,716 km (0.117 R)
• M34: 20,951,481 km (0.088 R)
• M35: 21,828,424 km (0.117 R)
• M36: 22,374,157 km (0.092 R)
• M37: 22,786,299 km (0.047 R)
• M38: 25,169,243 km (0.094 R)
• M39: 25,383,168 km (0.098 R)
• M40: 26,825,441 km (0.097 R)
• M41: 26,971,150 km (0.104 R)
• M42: 27,117,157 km (0.077 R)
• M43: 27,483,074 km (0.066 R)
• M44: 29,112,942 km (0.105 R)
• M45: 29,262,690 km (0.072 R)
• M46: 29,337,638 km (0.099 R)
• M47: 29,638,181 km (0.118 R)
• M48: 29,713,428 km (0.119 R)
• M49: 30,393,799 km (0.058 R)
• M50: 31,846,844 km (0.08 R)
• M51: 33,009,967 km (0.097 R)
• M52: 33,088,057 km (0.118 R)
• M53: 34,740,964 km (0.114 R)
• M54: 35,138,445 km (0.1 R)
• M55: 35,377,652 km (0.077 R)
• M56: 35,457,538 km (0.111 R)
• M57: 36,098,565 km (0.114 R)
• M58: 37,881,173 km (0.083 R)
• M59: 37,962,853 km (0.116 R)
• M60: 39,195,390 km (0.113 R)
• M61: 40,190,964 km (0.087 R)
• M62: 40,357,766 km (0.092 R)
• M63: 40,524,717 km (0.088 R)
• M64: 41,194,766 km (0.081 R)
• M65: 41,278,840 km (0.095 R)
• M66: 41,615,584 km (0.083 R)
• M67: 41,699,808 km (0.067 R)
• M68: 45,118,568 km (0.096 R)
• M69: 45,291,952 km (0.078 R)
• M70: 46,248,930 km (0.107 R)
• M71: 47,388,566 km (0.087 R)
• M72: 47,829,431 km (0.045 R)
• M73: 49,606,056 km (0.042 R)
• M74: 51,675,892 km (0.117 R)
• M75: 53,040,972 km (0.106 R)
• M76: 55,434,837 km (0.078 R)
• M77: 55,899,339 km (0.069 R)
• M78: 55,992,389 km (0.083 R)
• M79: 56,365,037 km (0.079 R)
• M80: 56,645,084 km (0.069 R)
• M81: 56,925,580 km (0.11 R)
• M82: 57,769,911 km (0.1 R)
• M83: 57,958,105 km (0.078 R)
• M84: 59,375,844 km (0.109 R)
• M85: 59,755,972 km (0.087 R)
• M86: 61,284,114 km (0.088 R)
• M87: 62,245,729 km (0.07 R)
• M88: 62,825,122 km (0.079 R)
• M89: 62,921,762 km (0.03 R)
• M90: 63,212,281 km (0.087 R)
• M91: 63,794,666 km (0.078 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 12,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit