🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.74 AU - 0.92 AU

Year: 273 Days

Day: 15.7 Hours

Environment

Temp: 99 °C

Axial Tilt: 31.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.93 AU - 1.23 AU

Year: 406 Days

Day: 41.2 Hours

Environment

Temp: 33 °C

Axial Tilt: 34.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.92 AU - 2.72 AU

Year: 1278 Days

Day: 17.8 Hours

Environment

Temp: -69 °C

Axial Tilt: 4.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 83,941,600 km

• M1: 601,234 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.1

Radius: 13.9

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.24 AU - 10.6 AU

Year: 9635 Days

Day: 11.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,941,600 km

• M1: 172,935 km (0.111 R)
• M2: 653,443 km (0.063 R)
• M3: 1,382,135 km (0.049 R)
• M4: 2,226,914 km (0.119 R)
• M5: 5,866,032 km (0.115 R)
• M6: 6,456,794 km (0.117 R)
• M7: 7,873,934 km (0.064 R)
• M8: 8,802,040 km (0.039 R)
• M9: 10,399,595 km (0.113 R)
• M10: 12,235,311 km (0.096 R)
• M11: 13,202,760 km (0.084 R)
• M12: 14,047,390 km (0.112 R)
• M13: 14,689,464 km (0.088 R)
• M14: 17,256,862 km (0.035 R)
• M15: 17,925,864 km (0.034 R)
• M16: 20,037,139 km (0.07 R)
• M17: 23,345,795 km (0.068 R)
• M18: 30,345,330 km (0.116 R)
• M19: 31,419,293 km (0.072 R)
• M20: 32,115,970 km (0.114 R)
• M21: 35,432,106 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.5

Radius: 12.8

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 9.01 AU - 10.27 AU

Year: 10824 Days

Day: 9.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,941,600 km

• M1: 159,172 km (0.116 R)
• M2: 1,329,626 km (0.112 R)
• M3: 1,774,231 km (0.092 R)
• M4: 2,512,496 km (0.093 R)
• M5: 3,447,333 km (0.059 R)
• M6: 4,912,944 km (0.034 R)
• M7: 6,441,086 km (0.084 R)
• M8: 8,265,881 km (0.097 R)
• M9: 8,857,840 km (0.071 R)
• M10: 11,669,083 km (0.083 R)
• M11: 12,091,397 km (0.104 R)
• M12: 13,135,591 km (0.115 R)
• M13: 13,535,167 km (0.049 R)
• M14: 14,001,762 km (0.076 R)
• M15: 14,721,777 km (0.104 R)
• M16: 19,131,473 km (0.07 R)
• M17: 20,018,289 km (0.05 R)
• M18: 21,874,201 km (0.108 R)
• M19: 25,658,728 km (0.094 R)
• M20: 32,380,609 km (0.098 R)
• M21: 37,044,023 km (0.097 R)
• M22: 39,122,686 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373

Radius: 3.8

Gravity: 25.83 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 15.51 AU - 23.71 AU

Year: 31406 Days

Day: 18.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 83,941,600 km

• M1: 114,742 km (0.089 R)
• M2: 698,472 km (0.084 R)
• M3: 1,178,233 km (0.057 R)
• M4: 1,969,007 km (0.103 R)
• M5: 2,522,519 km (0.106 R)
• M6: 2,796,283 km (0.093 R)
• M7: 3,034,892 km (0.044 R)
• M8: 3,315,687 km (0.072 R)
• M9: 3,613,537 km (0.084 R)
• M10: 5,178,480 km (0.046 R)
• M11: 5,620,392 km (0.115 R)
• M12: 5,745,157 km (0.072 R)
• M13: 7,096,773 km (0.082 R)
• M14: 8,213,222 km (0.108 R)
• M15: 8,374,040 km (0.103 R)
• M16: 10,099,801 km (0.045 R)
• M17: 10,471,253 km (0.098 R)
• M18: 10,723,923 km (0.085 R)
• M19: 12,607,959 km (0.071 R)
• M20: 12,893,990 km (0.117 R)
• M21: 13,777,964 km (0.07 R)
• M22: 19,657,160 km (0.114 R)
• M23: 21,834,108 km (0.074 R)
• M24: 22,039,656 km (0.111 R)
• M25: 22,874,711 km (0.084 R)
• M26: 26,194,288 km (0.07 R)
• M27: 27,012,439 km (0.086 R)
• M28: 32,017,535 km (0.086 R)
• M29: 35,157,744 km (0.103 R)
• M30: 36,440,396 km (0.096 R)
• M31: 42,360,133 km (0.056 R)
• M32: 45,129,339 km (0.106 R)
• M33: 49,594,387 km (0.074 R)
• M34: 51,750,990 km (0.085 R)
• M35: 54,344,867 km (0.037 R)
• M36: 57,805,664 km (0.116 R)
• M37: 59,190,193 km (0.094 R)
• M38: 60,394,456 km (0.093 R)
• M39: 63,476,321 km (0.092 R)
• M40: 64,104,932 km (0.119 R)
• M41: 66,661,260 km (0.093 R)
• M42: 68,622,488 km (0.067 R)
• M43: 69,728,615 km (0.068 R)

Kuiper Belt

Range: 30.3 - 52.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 12,463 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit