🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.82 AU - 1 AU

Year: 319 Days

Day: 33.1 Hours

Environment

Temp: 68 °C

Axial Tilt: 36.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 55,320,555 km

• M1: 284,236 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.2 AU - 2.42 AU

Year: 1289 Days

Day: 34.1 Hours

Environment

Temp: -79 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.4

Radius: 11.2

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.84 AU - 7.72 AU

Year: 5777 Days

Day: 10 Hours

Environment

Temp: -160 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,320,555 km

• M1: 139,575 km (0.11 R)
• M2: 590,463 km (0.077 R)
• M3: 1,596,508 km (0.097 R)
• M4: 2,149,422 km (0.076 R)
• M5: 2,586,697 km (0.062 R)
• M6: 3,101,912 km (0.093 R)
• M7: 3,517,046 km (0.059 R)
• M8: 4,912,794 km (0.114 R)
• M9: 5,368,469 km (0.113 R)
• M10: 5,793,776 km (0.088 R)
• M11: 8,954,330 km (0.082 R)
• M12: 10,053,276 km (0.057 R)
• M13: 11,469,669 km (0.114 R)
• M14: 11,891,086 km (0.095 R)
• M15: 12,715,071 km (0.065 R)
• M16: 13,319,446 km (0.028 R)
• M17: 16,046,017 km (0.079 R)
• M18: 18,289,387 km (0.113 R)
• M19: 18,671,909 km (0.083 R)
• M20: 21,360,332 km (0.076 R)
• M21: 21,856,099 km (0.097 R)
• M22: 22,431,902 km (0.108 R)
• M23: 22,944,125 km (0.071 R)
• M24: 25,149,646 km (0.111 R)
• M25: 27,409,771 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.4

Radius: 10.2

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.9 AU - 9.42 AU

Year: 8557 Days

Day: 14.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,320,555 km

• M1: 127,009 km (0.084 R)
• M2: 461,509 km (0.05 R)
• M3: 790,326 km (0.058 R)
• M4: 1,531,433 km (0.09 R)
• M5: 2,026,752 km (0.061 R)
• M6: 2,438,595 km (0.101 R)
• M7: 2,784,016 km (0.075 R)
• M8: 3,945,195 km (0.083 R)
• M9: 4,507,683 km (0.06 R)
• M10: 5,277,364 km (0.107 R)
• M11: 5,826,538 km (0.113 R)
• M12: 6,201,729 km (0.104 R)
• M13: 7,039,029 km (0.108 R)
• M14: 8,892,845 km (0.045 R)
• M15: 10,544,256 km (0.116 R)
• M16: 12,224,839 km (0.084 R)
• M17: 14,198,783 km (0.079 R)
• M18: 17,899,086 km (0.075 R)
• M19: 19,138,504 km (0.105 R)
• M20: 26,390,411 km (0.101 R)
• M21: 33,086,561 km (0.109 R)
• M22: 34,838,203 km (0.06 R)
• M23: 37,113,586 km (0.078 R)
• M24: 39,850,778 km (0.062 R)
• M25: 42,337,993 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 304.1

Radius: 4.3

Gravity: 16.45 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 10.7 AU - 15.84 AU

Year: 17745 Days

Day: 17.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,320,555 km

• M1: 53,406 km (0.037 R)
• M2: 188,194 km (0.1 R)
• M3: 392,545 km (0.057 R)
• M4: 671,545 km (0.042 R)
• M5: 821,741 km (0.108 R)
• M6: 2,614,522 km (0.099 R)
• M7: 3,353,236 km (0.104 R)
• M8: 6,706,173 km (0.075 R)
• M9: 7,845,511 km (0.044 R)
• M10: 16,520,093 km (0.073 R)
• M11: 25,169,842 km (0.042 R)
• M12: 38,696,631 km (0.086 R)
• M13: 44,100,106 km (0.112 R)
• M14: 47,128,565 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.7

Radius: 5.9

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 14.92 AU - 15.16 AU

Year: 21411 Days

Day: 23.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,320,555 km

• M1: 73,453 km (0.11 R)
• M2: 267,331 km (0.064 R)
• M3: 1,595,012 km (0.116 R)
• M4: 2,608,239 km (0.109 R)
• M5: 2,804,362 km (0.092 R)
• M6: 3,177,309 km (0.077 R)
• M7: 3,689,383 km (0.049 R)
• M8: 4,652,344 km (0.047 R)
• M9: 8,113,590 km (0.097 R)
• M10: 8,533,362 km (0.092 R)
• M11: 10,741,576 km (0.071 R)
• M12: 12,551,860 km (0.094 R)
• M13: 13,240,309 km (0.117 R)
• M14: 19,023,164 km (0.103 R)
• M15: 23,102,250 km (0.093 R)
• M16: 23,850,089 km (0.119 R)
• M17: 25,295,504 km (0.115 R)
• M18: 32,469,021 km (0.092 R)
• M19: 34,121,928 km (0.088 R)
• M20: 39,947,119 km (0.09 R)
• M21: 44,511,799 km (0.106 R)
• M22: 49,258,689 km (0.063 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 10,891 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit