🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.55 AU - 0.61 AU

Year: 154 Days

Day: 13.6 Hours

Environment

Temp: 216 °C

Axial Tilt: 8.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,510,556 km

• M1: 364,720 km (0.072 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.72 AU - 0.72 AU

Year: 213 Days

Day: 21.6 Hours

Environment

Temp: 173 °C

Axial Tilt: 23.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 49,510,556 km

• M1: 30,967 km (0.075 R)
• M2: 443,109 km (0.08 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.7 AU - 1.08 AU

Year: 292 Days

Day: 20.1 Hours

Environment

Temp: 192 °C

Axial Tilt: 36.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.19 AU - 1.43 AU

Year: 522 Days

Day: 29.1 Hours

Environment

Temp: 24 °C

Axial Tilt: 1.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 49,510,556 km

• M1: 154,086 km (0.071 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.14 AU - 1.7 AU

Year: 589 Days

Day: 17.8 Hours

Environment

Temp: 20 °C

Axial Tilt: 23.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.86 AU - 5.84 AU

Year: 3720 Days

Day: 46.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 36.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478

Radius: 9.2

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 8.2 AU - 13.64 AU

Year: 12567 Days

Day: 14.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 49,510,556 km

• M1: 126,859 km (0.063 R)
• M2: 196,272 km (0.07 R)
• M3: 345,870 km (0.119 R)
• M4: 424,110 km (0.083 R)
• M5: 734,226 km (0.105 R)
• M6: 1,048,980 km (0.105 R)
• M7: 1,274,275 km (0.077 R)
• M8: 2,483,325 km (0.075 R)
• M9: 2,646,686 km (0.118 R)
• M10: 3,576,735 km (0.053 R)
• M11: 3,949,683 km (0.066 R)
• M12: 4,108,855 km (0.056 R)
• M13: 4,205,346 km (0.086 R)
• M14: 4,335,197 km (0.106 R)
• M15: 4,565,727 km (0.101 R)
• M16: 4,936,131 km (0.113 R)
• M17: 5,107,720 km (0.091 R)
• M18: 5,741,716 km (0.114 R)
• M19: 5,994,985 km (0.106 R)
• M20: 6,587,692 km (0.104 R)
• M21: 6,663,089 km (0.094 R)
• M22: 6,929,373 km (0.098 R)
• M23: 7,121,607 km (0.066 R)
• M24: 7,237,844 km (0.077 R)
• M25: 7,472,264 km (0.095 R)
• M26: 7,590,446 km (0.081 R)
• M27: 8,599,035 km (0.092 R)
• M28: 8,930,694 km (0.077 R)
• M29: 9,606,427 km (0.106 R)
• M30: 10,080,653 km (0.11 R)
• M31: 10,211,251 km (0.118 R)
• M32: 10,430,263 km (0.114 R)
• M33: 10,962,233 km (0.12 R)
• M34: 12,237,704 km (0.076 R)
• M35: 12,423,804 km (0.091 R)
• M36: 12,987,489 km (0.099 R)
• M37: 13,129,756 km (0.082 R)
• M38: 15,274,840 km (0.085 R)
• M39: 15,676,361 km (0.104 R)
• M40: 15,979,895 km (0.114 R)
• M41: 16,953,627 km (0.026 R)
• M42: 17,421,719 km (0.057 R)
• M43: 17,526,288 km (0.081 R)
• M44: 17,683,516 km (0.07 R)
• M45: 17,841,192 km (0.09 R)
• M46: 17,999,466 km (0.099 R)
• M47: 18,904,683 km (0.088 R)
• M48: 19,173,660 km (0.117 R)
• M49: 21,204,002 km (0.048 R)
• M50: 22,671,109 km (0.113 R)
• M51: 22,842,548 km (0.056 R)
• M52: 23,416,854 km (0.042 R)
• M53: 23,590,088 km (0.105 R)
• M54: 23,705,877 km (0.094 R)
• M55: 23,937,903 km (0.076 R)
• M56: 24,579,977 km (0.116 R)
• M57: 24,932,580 km (0.086 R)
• M58: 25,345,918 km (0.085 R)
• M59: 25,761,651 km (0.082 R)
• M60: 26,000,260 km (0.097 R)
• M61: 26,060,099 km (0.091 R)
• M62: 26,780,712 km (0.048 R)
• M63: 27,812,937 km (0.074 R)
• M64: 29,292,161 km (0.072 R)
• M65: 29,978,665 km (0.057 R)
• M66: 30,481,314 km (0.094 R)
• M67: 30,607,425 km (0.044 R)
• M68: 30,670,555 km (0.06 R)
• M69: 32,906,595 km (0.065 R)
• M70: 33,880,926 km (0.029 R)
• M71: 34,273,321 km (0.041 R)
• M72: 34,338,845 km (0.117 R)
• M73: 34,601,389 km (0.082 R)
• M74: 34,667,212 km (0.073 R)
• M75: 34,798,709 km (0.097 R)
• M76: 36,860,167 km (0.059 R)
• M77: 39,922,436 km (0.12 R)
• M78: 40,060,365 km (0.108 R)
• M79: 40,267,558 km (0.051 R)
• M80: 40,336,822 km (0.045 R)
• M81: 40,475,200 km (0.117 R)
• M82: 40,613,877 km (0.115 R)
• M83: 41,448,932 km (0.094 R)
• M84: 42,149,050 km (0.037 R)
• M85: 42,641,527 km (0.11 R)
• M86: 45,419,858 km (0.11 R)
• M87: 47,231,489 km (0.111 R)
• M88: 48,036,175 km (0.095 R)
• M89: 48,182,931 km (0.103 R)
• M90: 49,510,612 km (0.091 R)

Kuiper Belt

Range: 31.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 318 - 16,464 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit