🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.88 AU - 0.98 AU

Year: 345 Days

Day: 23.5 Hours

Environment

Temp: 24 °C

Axial Tilt: 46.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.91 AU - 1.29 AU

Year: 444 Days

Day: 17.2 Hours

Environment

Temp: -1 °C

Axial Tilt: 31.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.57 AU - 2.45 AU

Year: 1097 Days

Day: 20.3 Hours

Environment

Temp: -87 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.79 AU - 4.41 AU

Year: 2630 Days

Day: 13.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.7

Radius: 13.8

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.87 AU - 6.03 AU

Year: 4240 Days

Day: 9.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 30,563,011 km

• M1: 172,636 km (0.072 R)
• M2: 306,526 km (0.066 R)
• M3: 433,235 km (0.095 R)
• M4: 542,442 km (0.085 R)
• M5: 629,508 km (0.099 R)
• M6: 951,442 km (0.078 R)
• M7: 1,326,036 km (0.114 R)
• M8: 1,679,087 km (0.11 R)
• M9: 1,849,628 km (0.087 R)
• M10: 1,954,945 km (0.118 R)
• M11: 2,098,409 km (0.067 R)
• M12: 2,301,862 km (0.079 R)
• M13: 2,550,793 km (0.067 R)
• M14: 2,728,516 km (0.084 R)
• M15: 2,951,267 km (0.055 R)
• M16: 3,054,639 km (0.063 R)
• M17: 3,458,553 km (0.077 R)
• M18: 3,812,053 km (0.112 R)
• M19: 3,947,738 km (0.093 R)
• M20: 4,674,485 km (0.117 R)
• M21: 4,844,428 km (0.105 R)
• M22: 5,544,546 km (0.118 R)
• M23: 6,170,164 km (0.095 R)
• M24: 6,383,790 km (0.116 R)
• M25: 6,627,036 km (0.091 R)
• M26: 7,206,578 km (0.057 R)
• M27: 7,602,115 km (0.087 R)
• M28: 8,384,811 km (0.078 R)
• M29: 8,711,234 km (0.105 R)
• M30: 8,800,992 km (0.086 R)
• M31: 9,254,274 km (0.103 R)
• M32: 9,345,828 km (0.096 R)
• M33: 9,808,384 km (0.077 R)
• M34: 11,110,634 km (0.047 R)
• M35: 11,436,458 km (0.115 R)
• M36: 11,765,573 km (0.072 R)
• M37: 11,864,906 km (0.095 R)
• M38: 12,131,041 km (0.116 R)
• M39: 12,907,603 km (0.06 R)
• M40: 13,491,933 km (0.11 R)
• M41: 13,979,622 km (0.114 R)
• M42: 14,579,659 km (0.113 R)
• M43: 14,900,846 km (0.1 R)
• M44: 15,008,406 km (0.078 R)
• M45: 15,332,585 km (0.117 R)
• M46: 15,841,517 km (0.089 R)
• M47: 17,251,028 km (0.078 R)
• M48: 17,514,919 km (0.091 R)
• M49: 17,628,613 km (0.096 R)
• M50: 18,008,891 km (0.083 R)
• M51: 18,816,420 km (0.103 R)
• M52: 19,205,075 km (0.069 R)
• M53: 19,478,690 km (0.057 R)
• M54: 20,307,462 km (0.091 R)
• M55: 20,906,602 km (0.107 R)
• M56: 22,040,404 km (0.102 R)
• M57: 22,163,074 km (0.117 R)
• M58: 22,491,292 km (0.082 R)
• M59: 23,069,488 km (0.073 R)
• M60: 23,194,103 km (0.066 R)
• M61: 23,904,094 km (0.112 R)
• M62: 24,451,922 km (0.117 R)
• M63: 24,621,416 km (0.098 R)
• M64: 25,732,031 km (0.06 R)
• M65: 26,206,854 km (0.091 R)
• M66: 26,423,621 km (0.102 R)
• M67: 26,640,987 km (0.082 R)
• M68: 26,858,951 km (0.073 R)
• M69: 27,340,507 km (0.11 R)
• M70: 27,780,923 km (0.084 R)
• M71: 27,957,748 km (0.059 R)
• M72: 28,668,637 km (0.12 R)
• M73: 28,757,947 km (0.116 R)
• M74: 28,981,446 km (0.028 R)
• M75: 29,520,597 km (0.079 R)
• M76: 30,426,412 km (0.032 R)
• M77: 30,517,367 km (0.092 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 18,977 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit