🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.61 AU - 0.99 AU

Year: 249 Days

Day: 13.6 Hours

Environment

Temp: 163 °C

Axial Tilt: 14.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,186,055 km

• M1: 202,705 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.75 AU - 1.03 AU

Year: 292 Days

Day: 27.3 Hours

Environment

Temp: 115 °C

Axial Tilt: 2.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 37,186,055 km

• M1: 107,860 km (0.047 R)
• M2: 182,360 km (0.054 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.14 AU - 1.16 AU

Year: 429 Days

Day: 44.7 Hours

Environment

Temp: 21 °C

Axial Tilt: 31.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.05 AU - 1.67 AU

Year: 552 Days

Day: 12.3 Hours

Environment

Temp: 14 °C

Axial Tilt: 36.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.05 AU - 1.75 AU

Year: 577 Days

Day: 45.9 Hours

Environment

Temp: 14 °C

Axial Tilt: 20.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 37,186,055 km

• M1: 620,682 km (0.066 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.09 AU - 1.71 AU

Year: 577 Days

Day: 13.5 Hours

Environment

Temp: 13 °C

Axial Tilt: 16.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 4.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.8

Radius: 9

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.45 AU - 8.35 AU

Year: 7010 Days

Day: 14.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 37,186,055 km

• M1: 121,324 km (0.092 R)
• M2: 344,374 km (0.099 R)
• M3: 477,666 km (0.114 R)
• M4: 843,134 km (0.086 R)
• M5: 950,844 km (0.082 R)
• M6: 1,030,729 km (0.032 R)
• M7: 1,146,518 km (0.1 R)
• M8: 1,337,405 km (0.091 R)
• M9: 1,501,514 km (0.114 R)
• M10: 1,653,056 km (0.118 R)
• M11: 1,950,906 km (0.11 R)
• M12: 2,222,875 km (0.061 R)
• M13: 2,308,894 km (0.113 R)
• M14: 2,919,552 km (0.112 R)
• M15: 3,603,514 km (0.08 R)
• M16: 3,782,133 km (0.027 R)
• M17: 3,937,566 km (0.049 R)
• M18: 4,148,199 km (0.117 R)
• M19: 4,389,501 km (0.104 R)
• M20: 4,829,917 km (0.094 R)
• M21: 5,313,268 km (0.082 R)
• M22: 5,458,378 km (0.115 R)
• M23: 6,541,915 km (0.041 R)
• M24: 7,332,689 km (0.11 R)
• M25: 7,429,629 km (0.056 R)
• M26: 7,526,867 km (0.1 R)
• M27: 7,788,664 km (0.115 R)
• M28: 8,119,873 km (0.114 R)
• M29: 9,037,507 km (0.109 R)
• M30: 9,526,243 km (0.069 R)
• M31: 9,738,223 km (0.112 R)
• M32: 10,711,956 km (0.111 R)
• M33: 11,154,616 km (0.112 R)
• M34: 11,453,063 km (0.077 R)
• M35: 12,095,885 km (0.063 R)
• M36: 12,595,542 km (0.118 R)
• M37: 12,750,526 km (0.109 R)
• M38: 13,023,542 km (0.102 R)
• M39: 13,337,697 km (0.076 R)
• M40: 13,535,466 km (0.117 R)
• M41: 13,973,788 km (0.105 R)
• M42: 14,782,663 km (0.05 R)
• M43: 14,946,323 km (0.048 R)
• M44: 15,028,452 km (0.047 R)
• M45: 15,731,712 km (0.107 R)
• M46: 15,815,188 km (0.07 R)
• M47: 15,898,813 km (0.114 R)
• M48: 16,403,556 km (0.068 R)
• M49: 17,170,395 km (0.076 R)
• M50: 18,254,830 km (0.045 R)
• M51: 18,474,439 km (0.078 R)
• M52: 18,783,359 km (0.096 R)
• M53: 18,960,633 km (0.116 R)
• M54: 23,568,845 km (0.043 R)
• M55: 24,966,987 km (0.063 R)
• M56: 25,259,600 km (0.062 R)
• M57: 25,602,329 km (0.092 R)
• M58: 25,848,118 km (0.025 R)
• M59: 27,138,999 km (0.115 R)
• M60: 27,590,634 km (0.114 R)
• M61: 27,842,707 km (0.067 R)
• M62: 28,654,275 km (0.119 R)
• M63: 29,114,289 km (0.115 R)
• M64: 29,268,075 km (0.043 R)
• M65: 29,989,736 km (0.07 R)
• M66: 30,093,257 km (0.119 R)
• M67: 30,300,750 km (0.093 R)
• M68: 30,560,751 km (0.062 R)
• M69: 31,187,865 km (0.106 R)
• M70: 31,819,168 km (0.076 R)
• M71: 31,924,784 km (0.067 R)
• M72: 33,953,930 km (0.1 R)
• M73: 34,549,030 km (0.08 R)
• M74: 35,311,381 km (0.095 R)
• M75: 36,189,520 km (0.118 R)
• M76: 36,852,837 km (0.034 R)
• M77: 37,130,491 km (0.079 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: 488 - 13,078 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit