🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.72 AU - 0.82 AU

Year: 237 Days

Day: 38.2 Hours

Environment

Temp: 146 °C

Axial Tilt: 8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,016,715 km

• M1: 568,023 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.84 AU - 1.36 AU

Year: 405 Days

Day: 21.7 Hours

Environment

Temp: 24 °C

Axial Tilt: 38.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.26 AU - 1.46 AU

Year: 557 Days

Day: 41.7 Hours

Environment

Temp: -1 °C

Axial Tilt: 34.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.6 AU - 1.7 AU

Year: 745 Days

Day: 27 Hours

Environment

Temp: -31 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.41 AU - 2.05 AU

Year: 800 Days

Day: 39.2 Hours

Environment

Temp: -34 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.11 AU - 3.29 AU

Year: 1559 Days

Day: 13.6 Hours

Environment

Temp: -86 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.28 AU - 3.24 AU

Year: 1612 Days

Day: 20.3 Hours

Environment

Temp: -84 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,016,715 km

• M1: 329,265 km (0.103 R)

Planet 8 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.04 AU - 3.8 AU

Year: 2223 Days

Day: 27.7 Hours

Environment

Temp: -112 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,016,715 km

• M1: 1,895,106 km (0.096 R)

Asteroid Belt

Center: 7.03 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.1

Radius: 11.3

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 8.02 AU - 13.24 AU

Year: 12181 Days

Day: 11.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 55,016,715 km

• M1: 251,624 km (0.089 R)
• M2: 848,370 km (0.112 R)
• M3: 1,476,531 km (0.105 R)
• M4: 1,671,906 km (0.077 R)
• M5: 2,624,246 km (0.088 R)
• M6: 3,076,929 km (0.116 R)
• M7: 3,264,974 km (0.07 R)
• M8: 3,456,908 km (0.093 R)
• M9: 3,818,486 km (0.12 R)
• M10: 4,157,923 km (0.084 R)
• M11: 4,685,256 km (0.097 R)
• M12: 4,975,326 km (0.104 R)
• M13: 5,233,981 km (0.085 R)
• M14: 5,383,878 km (0.092 R)
• M15: 5,803,201 km (0.111 R)
• M16: 5,919,438 km (0.09 R)
• M17: 6,431,960 km (0.045 R)
• M18: 6,958,994 km (0.087 R)
• M19: 7,206,877 km (0.086 R)
• M20: 8,011,116 km (0.052 R)
• M21: 8,445,997 km (0.096 R)
• M22: 8,933,087 km (0.087 R)
• M23: 9,383,975 km (0.098 R)
• M24: 9,703,965 km (0.06 R)
• M25: 10,307,892 km (0.047 R)
• M26: 10,496,235 km (0.061 R)
• M27: 12,995,118 km (0.052 R)
• M28: 13,096,695 km (0.117 R)
• M29: 13,815,513 km (0.087 R)
• M30: 13,919,184 km (0.101 R)
• M31: 14,075,364 km (0.119 R)
• M32: 15,130,777 km (0.11 R)
• M33: 15,237,590 km (0.083 R)
• M34: 15,559,974 km (0.117 R)
• M35: 15,938,905 km (0.068 R)
• M36: 16,816,446 km (0.1 R)
• M37: 17,597,198 km (0.106 R)
• M38: 17,992,136 km (0.027 R)
• M39: 18,618,353 km (0.095 R)
• M40: 20,127,197 km (0.104 R)
• M41: 21,134,738 km (0.095 R)
• M42: 21,314,256 km (0.046 R)
• M43: 21,554,360 km (0.087 R)
• M44: 23,198,890 km (0.078 R)
• M45: 23,322,308 km (0.118 R)
• M46: 24,192,369 km (0.063 R)
• M47: 25,836,151 km (0.053 R)
• M48: 25,964,206 km (0.058 R)
• M49: 26,284,944 km (0.11 R)
• M50: 27,515,836 km (0.106 R)
• M51: 27,646,584 km (0.046 R)
• M52: 28,368,992 km (0.12 R)
• M53: 28,699,304 km (0.055 R)
• M54: 29,164,105 km (0.047 R)
• M55: 29,698,319 km (0.1 R)
• M56: 30,438,080 km (0.06 R)
• M57: 31,524,909 km (0.119 R)
• M58: 32,073,035 km (0.071 R)
• M59: 32,693,567 km (0.064 R)
• M60: 33,317,989 km (0.104 R)
• M61: 35,855,019 km (0.082 R)
• M62: 36,212,259 km (0.117 R)
• M63: 36,498,888 km (0.082 R)
• M64: 37,002,435 km (0.072 R)
• M65: 37,508,076 km (0.104 R)
• M66: 38,380,531 km (0.097 R)
• M67: 39,627,878 km (0.098 R)
• M68: 40,367,789 km (0.088 R)
• M69: 40,813,889 km (0.101 R)
• M70: 40,962,889 km (0.113 R)
• M71: 41,037,538 km (0.097 R)
• M72: 41,336,435 km (0.101 R)
• M73: 41,786,126 km (0.103 R)
• M74: 42,388,257 km (0.038 R)
• M75: 43,372,761 km (0.097 R)
• M76: 44,364,745 km (0.116 R)
• M77: 44,441,488 km (0.111 R)
• M78: 44,671,570 km (0.07 R)
• M79: 45,133,079 km (0.098 R)
• M80: 46,682,614 km (0.08 R)
• M81: 47,934,898 km (0.082 R)
• M82: 48,328,490 km (0.092 R)
• M83: 48,960,391 km (0.117 R)
• M84: 49,515,549 km (0.105 R)
• M85: 50,392,342 km (0.091 R)
• M86: 50,952,885 km (0.094 R)
• M87: 51,918,689 km (0.104 R)
• M88: 52,241,970 km (0.087 R)
• M89: 54,195,569 km (0.104 R)
• M90: 55,016,711 km (0.098 R)

Kuiper Belt

Range: 31.2 - 50.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 163 - 13,162 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit