🌌 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: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.59 AU - 0.75 AU

Year: 206 Days

Day: 12.2 Hours

Environment

Temp: 122 °C

Axial Tilt: 31.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.17 AU - 1.27 AU

Year: 505 Days

Day: 17.8 Hours

Environment

Temp: -10 °C

Axial Tilt: 2.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.05 AU - 1.67 AU

Year: 594 Days

Day: 47.7 Hours

Environment

Temp: -27 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,829,725 km

• M1: 182,061 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.33 AU - 1.43 AU

Year: 608 Days

Day: 35.5 Hours

Environment

Temp: -36 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 77,829,725 km

• M1: 169,046 km (0.064 R)
• M2: 589,116 km (0.109 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.18 AU - 1.68 AU

Year: 641 Days

Day: 28.3 Hours

Environment

Temp: -36 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,829,725 km

• M1: 304,731 km (0.065 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.64 AU - 2.22 AU

Year: 1005 Days

Day: 45.6 Hours

Environment

Temp: -62 °C

Axial Tilt: 49.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,829,725 km

• M1: 1,206,806 km (0.094 R)

Asteroid Belt

Center: 8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 14.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.7

Radius: 5.9

Gravity: 21.54 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 12.66 AU - 15.48 AU

Year: 19777 Days

Day: 24.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 77,829,725 km

• M1: 93,050 km (0.098 R)
• M2: 380,727 km (0.088 R)
• M3: 477,367 km (0.097 R)
• M4: 560,842 km (0.062 R)
• M5: 604,525 km (0.116 R)
• M6: 672,293 km (0.048 R)
• M7: 742,604 km (0.095 R)
• M8: 791,074 km (0.098 R)
• M9: 1,670,410 km (0.098 R)
• M10: 1,799,962 km (0.106 R)
• M11: 1,932,655 km (0.067 R)
• M12: 2,034,381 km (0.072 R)
• M13: 2,643,694 km (0.102 R)
• M14: 3,676,068 km (0.063 R)
• M15: 4,278,050 km (0.08 R)
• M16: 5,096,500 km (0.089 R)
• M17: 5,143,324 km (0.081 R)
• M18: 6,011,441 km (0.06 R)
• M19: 7,080,318 km (0.058 R)
• M20: 7,663,301 km (0.073 R)
• M21: 7,825,016 km (0.078 R)
• M22: 8,206,640 km (0.108 R)
• M23: 8,482,947 km (0.084 R)
• M24: 9,158,531 km (0.09 R)
• M25: 9,909,812 km (0.099 R)
• M26: 10,680,690 km (0.065 R)
• M27: 11,903,802 km (0.116 R)
• M28: 13,106,419 km (0.119 R)
• M29: 13,364,475 km (0.081 R)
• M30: 16,659,219 km (0.12 R)
• M31: 17,715,529 km (0.097 R)
• M32: 17,929,305 km (0.038 R)
• M33: 19,597,022 km (0.088 R)
• M34: 19,818,128 km (0.086 R)
• M35: 20,040,131 km (0.091 R)
• M36: 21,541,046 km (0.102 R)
• M37: 22,535,872 km (0.112 R)
• M38: 23,077,716 km (0.102 R)
• M39: 24,095,430 km (0.095 R)
• M40: 25,931,594 km (0.095 R)
• M41: 27,482,026 km (0.066 R)
• M42: 27,646,883 km (0.106 R)
• M43: 29,651,794 km (0.097 R)
• M44: 30,160,277 km (0.077 R)
• M45: 31,962,632 km (0.046 R)
• M46: 32,136,166 km (0.083 R)
• M47: 32,483,981 km (0.109 R)
• M48: 32,745,777 km (0.082 R)
• M49: 34,242,055 km (0.047 R)
• M50: 35,222,071 km (0.106 R)
• M51: 35,940,589 km (0.074 R)
• M52: 36,663,895 km (0.109 R)
• M53: 36,754,701 km (0.117 R)
• M54: 36,845,507 km (0.046 R)
• M55: 37,483,392 km (0.091 R)
• M56: 38,770,233 km (0.113 R)
• M57: 40,164,934 km (0.111 R)
• M58: 40,352,081 km (0.061 R)
• M59: 40,539,527 km (0.066 R)
• M60: 41,670,636 km (0.066 R)
• M61: 42,716,475 km (0.119 R)
• M62: 44,349,635 km (0.094 R)
• M63: 45,612,241 km (0.111 R)
• M64: 45,807,616 km (0.11 R)
• M65: 46,886,815 km (0.114 R)
• M66: 47,676,841 km (0.05 R)
• M67: 47,875,059 km (0.028 R)
• M68: 49,170,127 km (0.047 R)
• M69: 50,880,929 km (0.069 R)
• M70: 51,591,070 km (0.067 R)
• M71: 51,692,796 km (0.081 R)
• M72: 51,998,275 km (0.03 R)
• M73: 53,638,017 km (0.116 R)
• M74: 54,464,097 km (0.091 R)
• M75: 55,190,544 km (0.105 R)
• M76: 55,607,025 km (0.106 R)
• M77: 56,443,127 km (0.065 R)
• M78: 59,402,173 km (0.056 R)
• M79: 59,828,976 km (0.047 R)
• M80: 62,628,101 km (0.078 R)
• M81: 63,062,534 km (0.092 R)
• M82: 64,043,596 km (0.119 R)
• M83: 66,462,893 km (0.113 R)
• M84: 70,260,286 km (0.114 R)
• M85: 70,373,082 km (0.07 R)
• M86: 70,937,665 km (0.101 R)
• M87: 71,617,288 km (0.089 R)
• M88: 72,982,817 km (0.107 R)
• M89: 74,586,955 km (0.115 R)
• M90: 75,508,777 km (0.112 R)
• M91: 76,550,278 km (0.105 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 19,676 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit