🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.69 AU - 0.75 AU

Year: 224 Days

Day: 45 Hours

Environment

Temp: 172 °C

Axial Tilt: 34.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,258,556 km

• M1: 37,100 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.64 AU - 0.84 AU

Year: 234 Days

Day: 43 Hours

Environment

Temp: 179 °C

Axial Tilt: 1.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 2.48 AU - 3.62 AU

Year: 1955 Days

Day: 42.6 Hours

Environment

Temp: -106 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.52 AU - 4.62 AU

Year: 3014 Days

Day: 41.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 70.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 78,258,556 km

• M1: 430,393 km (0.097 R)
• M2: 1,959,583 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.8

Radius: 9.9

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.1 AU - 9.22 AU

Year: 7782 Days

Day: 14.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,258,556 km

• M1: 123,717 km (0.056 R)
• M2: 516,861 km (0.095 R)
• M3: 853,755 km (0.093 R)
• M4: 1,435,990 km (0.106 R)
• M5: 2,637,859 km (0.051 R)
• M6: 3,253,754 km (0.117 R)
• M7: 3,647,196 km (0.119 R)
• M8: 4,747,189 km (0.081 R)
• M9: 7,656,569 km (0.053 R)
• M10: 8,464,248 km (0.108 R)
• M11: 10,125,532 km (0.099 R)
• M12: 11,054,684 km (0.033 R)
• M13: 12,224,988 km (0.08 R)
• M14: 12,985,095 km (0.11 R)
• M15: 15,023,217 km (0.112 R)
• M16: 17,501,904 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.5

Radius: 8.8

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 9.28 AU - 11.76 AU

Year: 12526 Days

Day: 6.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,258,556 km

• M1: 111,151 km (0.037 R)
• M2: 516,561 km (0.106 R)
• M3: 983,905 km (0.058 R)
• M4: 1,623,436 km (0.049 R)
• M5: 2,182,035 km (0.042 R)
• M6: 2,558,722 km (0.074 R)
• M7: 3,788,865 km (0.096 R)
• M8: 4,186,945 km (0.058 R)
• M9: 4,739,410 km (0.067 R)
• M10: 5,033,520 km (0.104 R)
• M11: 6,732,203 km (0.108 R)
• M12: 7,360,514 km (0.103 R)
• M13: 8,589,311 km (0.089 R)
• M14: 9,177,381 km (0.119 R)
• M15: 11,682,696 km (0.093 R)
• M16: 15,236,842 km (0.095 R)
• M17: 19,122,946 km (0.068 R)
• M18: 19,703,236 km (0.081 R)
• M19: 20,124,953 km (0.12 R)
• M20: 22,233,236 km (0.095 R)
• M21: 23,247,210 km (0.101 R)
• M22: 25,966,600 km (0.083 R)
• M23: 28,460,546 km (0.096 R)
• M24: 30,432,695 km (0.053 R)
• M25: 32,260,781 km (0.091 R)
• M26: 34,647,316 km (0.116 R)
• M27: 35,385,731 km (0.104 R)
• M28: 38,444,110 km (0.12 R)
• M29: 40,850,541 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.6

Radius: 5.4

Gravity: 29.38 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 12.39 AU - 15.05 AU

Year: 18655 Days

Day: 24.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 78,258,556 km

• M1: 69,713 km (0.096 R)
• M2: 411,993 km (0.113 R)
• M3: 822,788 km (0.114 R)
• M4: 1,189,153 km (0.076 R)
• M5: 1,378,993 km (0.111 R)
• M6: 2,307,547 km (0.092 R)
• M7: 2,581,610 km (0.104 R)
• M8: 2,751,254 km (0.079 R)
• M9: 3,033,246 km (0.075 R)
• M10: 4,190,536 km (0.088 R)
• M11: 8,932,489 km (0.099 R)
• M12: 9,899,789 km (0.036 R)
• M13: 11,642,305 km (0.111 R)
• M14: 12,243,239 km (0.087 R)
• M15: 15,323,310 km (0.066 R)
• M16: 20,277,692 km (0.053 R)
• M17: 21,639,781 km (0.111 R)
• M18: 25,309,566 km (0.092 R)
• M19: 25,642,272 km (0.039 R)
• M20: 26,203,114 km (0.063 R)
• M21: 33,186,343 km (0.105 R)
• M22: 35,073,221 km (0.064 R)
• M23: 37,746,834 km (0.065 R)
• M24: 38,036,007 km (0.081 R)
• M25: 41,008,666 km (0.116 R)
• M26: 41,314,294 km (0.067 R)
• M27: 46,411,543 km (0.031 R)
• M28: 47,244,055 km (0.113 R)
• M29: 51,025,590 km (0.078 R)
• M30: 60,953,802 km (0.095 R)
• M31: 62,354,337 km (0.107 R)
• M32: 66,895,081 km (0.097 R)
• M33: 71,872,651 km (0.046 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: 390 - 12,358 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit