🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.24 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.04 AU - 2.92 AU

Year: 1487 Days

Day: 32.5 Hours

Environment

Temp: -103 °C

Axial Tilt: 44.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 106,209,285 km

• M1: 551,567 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.12 AU - 3.08 AU

Year: 1596 Days

Day: 23.8 Hours

Environment

Temp: -102 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.65 AU - 3.05 AU

Year: 1832 Days

Day: 14.1 Hours

Environment

Temp: -109 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.5

Radius: 10.8

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.62 AU - 7.94 AU

Year: 7480 Days

Day: 9.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 106,209,285 km

• M1: 143,764 km (0.118 R)
• M2: 512,074 km (0.104 R)
• M3: 907,909 km (0.09 R)
• M4: 1,375,702 km (0.073 R)
• M5: 2,998,839 km (0.105 R)
• M6: 3,403,651 km (0.112 R)
• M7: 3,937,566 km (0.063 R)
• M8: 5,117,743 km (0.088 R)
• M9: 7,635,924 km (0.11 R)
• M10: 8,356,537 km (0.082 R)
• M11: 9,889,466 km (0.108 R)
• M12: 10,979,137 km (0.117 R)
• M13: 13,612,209 km (0.117 R)
• M14: 14,051,578 km (0.054 R)
• M15: 15,545,612 km (0.058 R)
• M16: 19,050,690 km (0.1 R)
• M17: 20,232,663 km (0.075 R)
• M18: 24,553,050 km (0.102 R)
• M19: 25,040,888 km (0.084 R)
• M20: 28,460,097 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.3

Radius: 14.6

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 8.88 AU - 10.4 AU

Year: 11398 Days

Day: 12.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 52.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 106,209,285 km

• M1: 181,612 km (0.097 R)
• M2: 681,269 km (0.12 R)
• M3: 1,875,060 km (0.071 R)
• M4: 3,051,198 km (0.084 R)
• M5: 3,652,133 km (0.051 R)
• M6: 4,514,116 km (0.044 R)
• M7: 4,979,964 km (0.067 R)
• M8: 6,678,498 km (0.075 R)
• M9: 7,286,164 km (0.104 R)
• M10: 7,814,095 km (0.101 R)
• M11: 11,190,070 km (0.087 R)
• M12: 11,997,749 km (0.115 R)
• M13: 12,628,753 km (0.094 R)
• M14: 14,596,563 km (0.104 R)
• M15: 17,285,286 km (0.079 R)
• M16: 18,022,953 km (0.105 R)
• M17: 18,992,048 km (0.072 R)
• M18: 23,139,051 km (0.117 R)
• M19: 28,869,247 km (0.109 R)
• M20: 30,196,031 km (0.057 R)
• M21: 31,961,136 km (0.056 R)
• M22: 33,175,572 km (0.049 R)
• M23: 35,374,511 km (0.026 R)
• M24: 36,237,242 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.9

Radius: 10.1

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 8.57 AU - 13.57 AU

Year: 14025 Days

Day: 5.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 106,209,285 km

• M1: 128,205 km (0.067 R)
• M2: 454,927 km (0.1 R)
• M3: 791,822 km (0.101 R)
• M4: 1,373,159 km (0.077 R)
• M5: 2,448,169 km (0.036 R)
• M6: 3,305,664 km (0.104 R)
• M7: 4,611,953 km (0.082 R)
• M8: 5,056,857 km (0.114 R)
• M9: 6,481,926 km (0.087 R)
• M10: 6,909,327 km (0.106 R)
• M11: 8,256,306 km (0.04 R)
• M12: 9,070,418 km (0.095 R)
• M13: 10,105,785 km (0.079 R)
• M14: 11,961,397 km (0.119 R)
• M15: 14,823,653 km (0.109 R)
• M16: 15,642,851 km (0.043 R)
• M17: 16,649,495 km (0.113 R)
• M18: 16,967,690 km (0.111 R)
• M19: 21,672,244 km (0.045 R)
• M20: 22,243,408 km (0.027 R)
• M21: 23,415,956 km (0.11 R)
• M22: 32,306,259 km (0.095 R)
• M23: 34,191,341 km (0.101 R)
• M24: 40,428,525 km (0.111 R)
• M25: 44,117,010 km (0.086 R)
• M26: 45,498,098 km (0.047 R)
• M27: 48,832,186 km (0.095 R)
• M28: 52,666,978 km (0.089 R)
• M29: 53,526,417 km (0.064 R)
• M30: 54,395,132 km (0.104 R)
• M31: 58,696,520 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.5

Radius: 4.3

Gravity: 52.22 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 14.47 AU - 20.45 AU

Year: 27782 Days

Day: 16.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 106,209,285 km

• M1: 53,556 km (0.094 R)
• M2: 255,812 km (0.105 R)
• M3: 426,204 km (0.082 R)
• M4: 1,022,651 km (0.117 R)
• M5: 1,672,654 km (0.049 R)
• M6: 2,589,240 km (0.075 R)
• M7: 2,751,105 km (0.11 R)
• M8: 3,868,451 km (0.101 R)
• M9: 4,080,282 km (0.099 R)
• M10: 5,343,786 km (0.049 R)
• M11: 5,696,388 km (0.073 R)
• M12: 9,220,166 km (0.071 R)
• M13: 11,216,250 km (0.066 R)
• M14: 14,979,833 km (0.114 R)
• M15: 17,715,081 km (0.116 R)
• M16: 24,987,931 km (0.112 R)
• M17: 25,476,069 km (0.083 R)
• M18: 25,846,174 km (0.038 R)
• M19: 34,775,222 km (0.09 R)
• M20: 38,369,759 km (0.099 R)
• M21: 40,173,311 km (0.106 R)
• M22: 40,842,911 km (0.114 R)
• M23: 41,180,404 km (0.116 R)
• M24: 42,722,459 km (0.105 R)
• M25: 51,798,412 km (0.046 R)
• M26: 52,991,007 km (0.034 R)
• M27: 53,796,142 km (0.088 R)
• M28: 57,944,342 km (0.108 R)
• M29: 61,855,578 km (0.114 R)
• M30: 62,524,131 km (0.065 R)
• M31: 70,925,996 km (0.08 R)
• M32: 74,386,644 km (0.028 R)
• M33: 104,940,513 km (0.087 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 12,661 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit