🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.42 AU - 0.66 AU

Year: 147 Days

Day: 27.9 Hours

Environment

Temp: 148 °C

Axial Tilt: 4.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 41,676,127 km

• M1: 106,962 km (0.112 R)
• M2: 224,995 km (0.069 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.65 AU - 0.73 AU

Year: 213 Days

Day: 13.8 Hours

Environment

Temp: 201 °C

Axial Tilt: 28.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.13 AU - 1.85 AU

Year: 675 Days

Day: 34.3 Hours

Environment

Temp: -41 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.66 AU - 2.06 AU

Year: 941 Days

Day: 31.5 Hours

Environment

Temp: -68 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,676,127 km

• M1: 565,181 km (0.103 R)

Asteroid Belt

Center: 5.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.9

Radius: 13.5

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 7.13 AU - 10.55 AU

Year: 9747 Days

Day: 6.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 41,676,127 km

• M1: 222,452 km (0.09 R)
• M2: 312,660 km (0.056 R)
• M3: 416,780 km (0.099 R)
• M4: 793,318 km (0.039 R)
• M5: 953,238 km (0.073 R)
• M6: 2,874,373 km (0.102 R)
• M7: 3,687,288 km (0.052 R)
• M8: 4,133,838 km (0.064 R)
• M9: 4,334,748 km (0.049 R)
• M10: 4,538,949 km (0.099 R)
• M11: 4,926,707 km (0.079 R)
• M12: 5,263,302 km (0.055 R)
• M13: 5,481,416 km (0.113 R)
• M14: 5,798,264 km (0.06 R)
• M15: 6,350,878 km (0.107 R)
• M16: 6,583,204 km (0.076 R)
• M17: 6,751,053 km (0.11 R)
• M18: 7,893,980 km (0.093 R)
• M19: 8,360,726 km (0.081 R)
• M20: 8,836,447 km (0.043 R)
• M21: 8,947,598 km (0.087 R)
• M22: 10,083,644 km (0.077 R)
• M23: 10,433,404 km (0.066 R)
• M24: 10,590,033 km (0.109 R)
• M25: 11,385,445 km (0.106 R)
• M26: 11,953,767 km (0.106 R)
• M27: 12,200,155 km (0.091 R)
• M28: 12,323,873 km (0.08 R)
• M29: 12,907,304 km (0.038 R)
• M30: 13,033,565 km (0.073 R)
• M31: 13,585,132 km (0.11 R)
• M32: 13,670,702 km (0.086 R)
• M33: 14,101,245 km (0.105 R)
• M34: 14,448,761 km (0.032 R)
• M35: 14,536,126 km (0.045 R)
• M36: 15,374,772 km (0.089 R)
• M37: 15,912,426 km (0.109 R)
• M38: 16,365,259 km (0.095 R)
• M39: 18,171,803 km (0.105 R)
• M40: 18,266,050 km (0.107 R)
• M41: 18,407,868 km (0.111 R)
• M42: 18,550,136 km (0.082 R)
• M43: 19,026,755 km (0.104 R)
• M44: 19,700,843 km (0.118 R)
• M45: 20,138,267 km (0.094 R)
• M46: 20,480,846 km (0.099 R)
• M47: 20,578,982 km (0.117 R)
• M48: 21,320,539 km (0.116 R)
• M49: 21,669,700 km (0.041 R)
• M50: 22,272,430 km (0.104 R)
• M51: 22,779,118 km (0.076 R)
• M52: 23,238,234 km (0.071 R)
• M53: 23,546,106 km (0.101 R)
• M54: 24,062,070 km (0.03 R)
• M55: 24,269,562 km (0.114 R)
• M56: 24,373,532 km (0.046 R)
• M57: 25,158,024 km (0.116 R)
• M58: 25,791,570 km (0.112 R)
• M59: 26,859,101 km (0.09 R)
• M60: 27,560,865 km (0.109 R)
• M61: 27,669,323 km (0.11 R)
• M62: 28,268,462 km (0.12 R)
• M63: 28,927,142 km (0.111 R)
• M64: 29,147,799 km (0.066 R)
• M65: 29,258,352 km (0.113 R)
• M66: 30,259,461 km (0.117 R)
• M67: 30,707,955 km (0.109 R)
• M68: 31,668,523 km (0.101 R)
• M69: 32,066,902 km (0.089 R)
• M70: 32,295,338 km (0.12 R)
• M71: 32,983,787 km (0.089 R)
• M72: 33,098,978 km (0.112 R)
• M73: 33,214,318 km (0.071 R)
• M74: 34,025,437 km (0.09 R)
• M75: 34,608,869 km (0.1 R)
• M76: 35,490,150 km (0.097 R)
• M77: 36,319,371 km (0.105 R)
• M78: 36,617,071 km (0.107 R)
• M79: 38,359,736 km (0.108 R)
• M80: 39,271,685 km (0.119 R)
• M81: 39,516,128 km (0.113 R)
• M82: 39,638,499 km (0.085 R)
• M83: 39,883,690 km (0.081 R)
• M84: 40,129,330 km (0.041 R)
• M85: 41,240,991 km (0.077 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 13,080 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit