🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.02 AU - 1.56 AU

Year: 538 Days

Day: 33.8 Hours

Environment

Temp: -2 °C

Axial Tilt: 17.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.73 AU - 2.53 AU

Year: 1141 Days

Day: 43.1 Hours

Environment

Temp: -74 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 87,361,016 km

• M1: 27,077 km (0.09 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.53 AU - 2.85 AU

Year: 1620 Days

Day: 18.5 Hours

Environment

Temp: -90 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 87,361,016 km

• M1: 119,977 km (0.058 R)
• M2: 433,385 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.92 AU - 4.3 AU

Year: 3059 Days

Day: 20.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.5

Radius: 11.6

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.95 AU - 5.65 AU

Year: 3860 Days

Day: 8.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,361,016 km

• M1: 149,149 km (0.108 R)
• M2: 668,403 km (0.046 R)
• M3: 1,293,872 km (0.056 R)
• M4: 1,900,791 km (0.091 R)
• M5: 2,819,770 km (0.063 R)
• M6: 4,119,626 km (0.107 R)
• M7: 5,337,802 km (0.086 R)
• M8: 5,703,718 km (0.079 R)
• M9: 6,457,093 km (0.116 R)
• M10: 6,873,125 km (0.075 R)
• M11: 8,507,930 km (0.108 R)
• M12: 10,109,525 km (0.114 R)
• M13: 12,899,226 km (0.069 R)
• M14: 15,843,761 km (0.058 R)
• M15: 18,667,869 km (0.079 R)
• M16: 19,700,095 km (0.078 R)
• M17: 21,351,954 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.1

Radius: 8.7

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.92 AU - 5.84 AU

Year: 4581 Days

Day: 10.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,361,016 km

• M1: 108,309 km (0.098 R)
• M2: 685,607 km (0.046 R)
• M3: 1,374,056 km (0.051 R)
• M4: 1,750,744 km (0.095 R)
• M5: 2,699,793 km (0.03 R)
• M6: 4,301,687 km (0.099 R)
• M7: 5,114,602 km (0.104 R)
• M8: 6,226,114 km (0.1 R)
• M9: 7,519,687 km (0.067 R)
• M10: 7,958,308 km (0.084 R)
• M11: 9,477,923 km (0.102 R)
• M12: 10,341,850 km (0.066 R)
• M13: 11,069,943 km (0.059 R)
• M14: 13,248,537 km (0.087 R)
• M15: 13,716,330 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.7

Radius: 11.9

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.45 AU - 6.13 AU

Year: 5114 Days

Day: 7.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,361,016 km

• M1: 148,551 km (0.087 R)
• M2: 572,810 km (0.075 R)
• M3: 950,096 km (0.041 R)
• M4: 1,395,449 km (0.096 R)
• M5: 2,008,052 km (0.068 R)
• M6: 2,479,734 km (0.088 R)
• M7: 3,465,435 km (0.083 R)
• M8: 3,904,953 km (0.087 R)
• M9: 5,103,831 km (0.116 R)
• M10: 5,961,924 km (0.096 R)
• M11: 6,533,837 km (0.089 R)
• M12: 7,752,910 km (0.069 R)
• M13: 8,324,822 km (0.093 R)
• M14: 11,802,075 km (0.115 R)
• M15: 12,367,406 km (0.043 R)
• M16: 13,249,135 km (0.1 R)
• M17: 14,330,429 km (0.108 R)
• M18: 15,138,108 km (0.052 R)
• M19: 16,032,703 km (0.087 R)
• M20: 17,380,281 km (0.109 R)
• M21: 18,549,238 km (0.104 R)
• M22: 19,901,304 km (0.044 R)
• M23: 20,500,593 km (0.058 R)
• M24: 22,299,507 km (0.107 R)
• M25: 24,201,345 km (0.105 R)
• M26: 24,731,370 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.2

Radius: 11.3

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.2 AU - 8.14 AU

Year: 7048 Days

Day: 14 Hours

Environment

Temp: -165 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,361,016 km

• M1: 140,472 km (0.088 R)
• M2: 823,686 km (0.053 R)
• M3: 1,681,630 km (0.03 R)
• M4: 2,481,679 km (0.109 R)
• M5: 3,020,082 km (0.069 R)
• M6: 3,801,581 km (0.094 R)
• M7: 4,519,950 km (0.113 R)
• M8: 4,998,813 km (0.067 R)
• M9: 5,357,100 km (0.108 R)
• M10: 6,159,094 km (0.089 R)
• M11: 9,448,302 km (0.066 R)
• M12: 11,112,429 km (0.104 R)
• M13: 12,093,641 km (0.063 R)
• M14: 13,759,414 km (0.11 R)
• M15: 14,951,559 km (0.092 R)
• M16: 20,264,677 km (0.061 R)
• M17: 21,335,798 km (0.115 R)
• M18: 22,686,517 km (0.1 R)
• M19: 24,009,261 km (0.117 R)
• M20: 24,861,670 km (0.106 R)
• M21: 25,557,899 km (0.109 R)
• M22: 28,568,556 km (0.088 R)
• M23: 29,525,683 km (0.087 R)
• M24: 34,205,553 km (0.059 R)
• M25: 34,850,170 km (0.118 R)
• M26: 36,386,092 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.1

Radius: 6.8

Gravity: 21.61 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 11.26 AU - 17.84 AU

Year: 20374 Days

Day: 15.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 87,361,016 km

• M1: 84,523 km (0.11 R)
• M2: 442,062 km (0.096 R)
• M3: 858,692 km (0.119 R)
• M4: 1,160,431 km (0.091 R)
• M5: 1,531,733 km (0.095 R)
• M6: 2,021,067 km (0.086 R)
• M7: 2,684,683 km (0.086 R)
• M8: 3,108,345 km (0.106 R)
• M9: 3,956,265 km (0.108 R)
• M10: 6,927,279 km (0.11 R)
• M11: 8,469,334 km (0.096 R)
• M12: 8,859,784 km (0.094 R)
• M13: 9,320,546 km (0.083 R)
• M14: 9,676,439 km (0.114 R)
• M15: 10,415,602 km (0.107 R)
• M16: 13,751,186 km (0.057 R)
• M17: 16,162,704 km (0.048 R)
• M18: 17,025,285 km (0.096 R)
• M19: 17,557,404 km (0.119 R)
• M20: 17,827,578 km (0.045 R)
• M21: 19,894,722 km (0.096 R)
• M22: 22,963,572 km (0.086 R)
• M23: 23,832,287 km (0.096 R)
• M24: 28,014,146 km (0.086 R)
• M25: 28,880,467 km (0.095 R)
• M26: 34,176,382 km (0.095 R)
• M27: 38,852,362 km (0.111 R)
• M28: 39,465,265 km (0.057 R)
• M29: 47,505,253 km (0.081 R)
• M30: 51,813,671 km (0.035 R)
• M31: 56,571,183 km (0.076 R)
• M32: 58,552,906 km (0.081 R)
• M33: 66,070,648 km (0.051 R)
• M34: 68,489,944 km (0.104 R)
• M35: 72,575,013 km (0.107 R)
• M36: 73,038,617 km (0.068 R)
• M37: 85,283,053 km (0.115 R)
• M38: 86,058,419 km (0.074 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 11,851 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit