🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.8 AU - 1.1 AU

Year: 343 Days

Day: 40.8 Hours

Environment

Temp: 37 °C

Axial Tilt: 15.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.94 AU - 1 AU

Year: 354 Days

Day: 42.9 Hours

Environment

Temp: 19 °C

Axial Tilt: 27.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.08 AU - 1.2 AU

Year: 451 Days

Day: 34 Hours

Environment

Temp: -5 °C

Axial Tilt: 38.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.42 AU - 3.44 AU

Year: 2356 Days

Day: 27.4 Hours

Environment

Temp: -122 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.13 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.5

Radius: 11.4

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.04 AU - 5.6 AU

Year: 3924 Days

Day: 7 Hours

Environment

Temp: -135 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,650,842 km

• M1: 142,268 km (0.087 R)
• M2: 519,404 km (0.098 R)
• M3: 992,582 km (0.068 R)
• M4: 1,470,697 km (0.057 R)
• M5: 2,232,150 km (0.045 R)
• M6: 2,660,748 km (0.091 R)
• M7: 3,125,249 km (0.088 R)
• M8: 3,622,662 km (0.119 R)
• M9: 4,407,602 km (0.034 R)
• M10: 5,248,342 km (0.102 R)
• M11: 5,983,616 km (0.08 R)
• M12: 7,047,107 km (0.092 R)
• M13: 7,589,399 km (0.099 R)
• M14: 8,605,318 km (0.081 R)
• M15: 9,668,660 km (0.096 R)
• M16: 12,007,772 km (0.059 R)
• M17: 12,439,512 km (0.083 R)
• M18: 13,641,680 km (0.076 R)
• M19: 14,271,188 km (0.105 R)
• M20: 15,251,503 km (0.093 R)
• M21: 16,746,135 km (0.092 R)
• M22: 17,836,554 km (0.095 R)
• M23: 18,525,901 km (0.074 R)
• M24: 20,024,573 km (0.073 R)
• M25: 23,262,020 km (0.055 R)
• M26: 25,394,837 km (0.087 R)
• M27: 25,947,751 km (0.083 R)
• M28: 27,324,201 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.9

Radius: 10.1

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.49 AU - 6.45 AU

Year: 4744 Days

Day: 11.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,650,842 km

• M1: 125,961 km (0.067 R)
• M2: 861,983 km (0.104 R)
• M3: 1,547,740 km (0.067 R)
• M4: 1,952,701 km (0.119 R)
• M5: 2,791,047 km (0.081 R)
• M6: 4,961,563 km (0.097 R)
• M7: 6,185,124 km (0.073 R)
• M8: 6,686,875 km (0.113 R)
• M9: 8,434,777 km (0.12 R)
• M10: 9,274,170 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.8

Radius: 8.3

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.48 AU - 5.62 AU

Year: 4849 Days

Day: 13.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,650,842 km

• M1: 103,372 km (0.091 R)
• M2: 627,862 km (0.064 R)
• M3: 1,192,145 km (0.03 R)
• M4: 1,554,621 km (0.111 R)
• M5: 2,185,625 km (0.087 R)
• M6: 2,448,917 km (0.118 R)
• M7: 3,387,045 km (0.105 R)
• M8: 3,985,437 km (0.074 R)
• M9: 4,979,515 km (0.083 R)
• M10: 5,679,483 km (0.056 R)
• M11: 7,188,178 km (0.034 R)
• M12: 7,626,051 km (0.111 R)
• M13: 8,782,293 km (0.106 R)
• M14: 12,198,510 km (0.063 R)
• M15: 13,162,817 km (0.045 R)
• M16: 14,959,787 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.2

Radius: 5.7

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 11.51 AU - 14.89 AU

Year: 17785 Days

Day: 23.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,650,842 km

• M1: 89,460 km (0.065 R)
• M2: 518,057 km (0.044 R)
• M3: 739,612 km (0.114 R)
• M4: 2,560,068 km (0.097 R)
• M5: 3,728,428 km (0.083 R)
• M6: 3,948,337 km (0.101 R)
• M7: 5,885,031 km (0.081 R)
• M8: 8,193,475 km (0.049 R)
• M9: 8,613,546 km (0.115 R)
• M10: 10,765,811 km (0.069 R)
• M11: 11,212,959 km (0.099 R)
• M12: 22,054,765 km (0.112 R)
• M13: 39,619,949 km (0.107 R)
• M14: 48,369,330 km (0.099 R)
• M15: 48,671,218 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 244.5

Radius: 5.2

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 15.01 AU - 17.07 AU

Year: 23824 Days

Day: 17.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,650,842 km

• M1: 65,075 km (0.087 R)
• M2: 308,172 km (0.085 R)
• M3: 625,768 km (0.116 R)
• M4: 840,890 km (0.069 R)
• M5: 1,069,326 km (0.104 R)
• M6: 1,887,177 km (0.116 R)
• M7: 2,087,339 km (0.097 R)
• M8: 2,775,190 km (0.066 R)
• M9: 4,682,862 km (0.075 R)
• M10: 8,534,559 km (0.1 R)
• M11: 9,290,327 km (0.099 R)
• M12: 13,151,298 km (0.077 R)
• M13: 17,168,151 km (0.11 R)
• M14: 21,932,843 km (0.109 R)
• M15: 25,420,568 km (0.116 R)
• M16: 25,932,342 km (0.052 R)
• M17: 30,392,004 km (0.106 R)
• M18: 31,788,052 km (0.117 R)
• M19: 41,352,442 km (0.069 R)
• M20: 56,219,478 km (0.088 R)
• M21: 59,387,363 km (0.053 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 17,711 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit