🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.58 AU - 0.78 AU

Year: 208 Days

Day: 20.2 Hours

Environment

Temp: 202 °C

Axial Tilt: 23.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.87 AU - 0.89 AU

Year: 306 Days

Day: 21.2 Hours

Environment

Temp: 87 °C

Axial Tilt: 38.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.91 AU - 0.93 AU

Year: 327 Days

Day: 32.5 Hours

Environment

Temp: 19 °C

Axial Tilt: 37 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.91 AU - 1.49 AU

Year: 488 Days

Day: 35.1 Hours

Environment

Temp: -2 °C

Axial Tilt: 23 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 37,969,822 km

• M1: 335,997 km (0.082 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1 AU - 1.66 AU

Year: 569 Days

Day: 28.3 Hours

Environment

Temp: -29 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,969,822 km

• M1: 418,276 km (0.036 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.8 AU - 2.9 AU

Year: 1336 Days

Day: 13.9 Hours

Environment

Temp: -81 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,969,822 km

• M1: 81,531 km (0.089 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.33 AU - 2.71 AU

Year: 1484 Days

Day: 18.9 Hours

Environment

Temp: -94 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.44 AU - 2.92 AU

Year: 1627 Days

Day: 20.1 Hours

Environment

Temp: -105 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,969,822 km

• M1: 551,119 km (0.075 R)

Planet 9 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.58 AU - 3.68 AU

Year: 2054 Days

Day: 18.8 Hours

Environment

Temp: -112 °C

Axial Tilt: 48.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 37,969,822 km

• M1: 1,475,185 km (0.088 R)
• M2: 1,905,428 km (0.049 R)

Planet 10 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.4

Radius: 14.2

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.47 AU - 8.91 AU

Year: 7908 Days

Day: 11.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 37,969,822 km

• M1: 177,722 km (0.106 R)
• M2: 363,224 km (0.12 R)
• M3: 479,012 km (0.117 R)
• M4: 611,855 km (0.09 R)
• M5: 968,497 km (0.119 R)
• M6: 1,462,469 km (0.049 R)
• M7: 1,689,110 km (0.111 R)
• M8: 2,177,547 km (0.086 R)
• M9: 2,460,586 km (0.114 R)
• M10: 2,779,080 km (0.065 R)
• M11: 3,014,846 km (0.079 R)
• M12: 3,257,344 km (0.071 R)
• M13: 3,891,789 km (0.095 R)
• M14: 4,156,427 km (0.11 R)
• M15: 4,318,143 km (0.088 R)
• M16: 4,592,355 km (0.029 R)
• M17: 5,478,872 km (0.095 R)
• M18: 6,201,281 km (0.089 R)
• M19: 6,324,699 km (0.076 R)
• M20: 6,448,865 km (0.084 R)
• M21: 6,794,586 km (0.099 R)
• M22: 7,082,113 km (0.064 R)
• M23: 7,603,162 km (0.107 R)
• M24: 7,835,039 km (0.096 R)
• M25: 8,238,056 km (0.044 R)
• M26: 8,613,546 km (0.115 R)
• M27: 8,716,918 km (0.101 R)
• M28: 8,925,009 km (0.076 R)
• M29: 9,594,609 km (0.117 R)
• M30: 9,701,721 km (0.09 R)
• M31: 10,243,864 km (0.102 R)
• M32: 10,610,827 km (0.118 R)
• M33: 10,721,829 km (0.083 R)
• M34: 11,433,466 km (0.066 R)
• M35: 11,929,233 km (0.036 R)
• M36: 12,044,573 km (0.105 R)
• M37: 12,354,241 km (0.117 R)
• M38: 13,020,849 km (0.086 R)
• M39: 13,298,652 km (0.116 R)
• M40: 13,820,150 km (0.115 R)
• M41: 16,526,226 km (0.086 R)
• M42: 17,347,519 km (0.077 R)
• M43: 17,917,187 km (0.11 R)
• M44: 18,760,919 km (0.105 R)
• M45: 19,164,983 km (0.083 R)
• M46: 19,345,548 km (0.057 R)
• M47: 19,753,950 km (0.04 R)
• M48: 19,936,310 km (0.053 R)
• M49: 20,027,714 km (0.067 R)
• M50: 20,165,045 km (0.076 R)
• M51: 20,486,830 km (0.078 R)
• M52: 20,949,536 km (0.033 R)
• M53: 21,415,683 km (0.091 R)
• M54: 21,743,901 km (0.054 R)
• M55: 22,358,150 km (0.082 R)
• M56: 25,266,033 km (0.087 R)
• M57: 26,613,012 km (0.094 R)
• M58: 27,168,469 km (0.107 R)
• M59: 27,524,063 km (0.119 R)
• M60: 28,085,803 km (0.088 R)
• M61: 28,393,825 km (0.032 R)
• M62: 28,909,639 km (0.103 R)
• M63: 29,064,922 km (0.057 R)
• M64: 29,220,653 km (0.094 R)
• M65: 29,793,613 km (0.1 R)
• M66: 30,055,409 km (0.036 R)
• M67: 30,370,462 km (0.062 R)
• M68: 30,475,779 km (0.104 R)
• M69: 30,950,902 km (0.09 R)
• M70: 31,855,221 km (0.099 R)
• M71: 32,069,296 km (0.091 R)
• M72: 32,230,113 km (0.094 R)
• M73: 32,660,357 km (0.033 R)
• M74: 33,092,545 km (0.094 R)
• M75: 33,255,008 km (0.048 R)
• M76: 33,526,528 km (0.092 R)
• M77: 35,171,058 km (0.112 R)
• M78: 35,614,017 km (0.11 R)
• M79: 36,058,772 km (0.076 R)
• M80: 36,337,772 km (0.099 R)
• M81: 36,785,668 km (0.09 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 16,783 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit