🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.65 AU - 0.81 AU

Year: 218 Days

Day: 15 Hours

Environment

Temp: 207 °C

Axial Tilt: 19.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 111,844,884 km

• M1: 180,714 km (0.042 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.14 AU - 1.14 AU

Year: 426 Days

Day: 40.5 Hours

Environment

Temp: 28 °C

Axial Tilt: 17.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.16 AU - 1.5 AU

Year: 537 Days

Day: 25.6 Hours

Environment

Temp: 4 °C

Axial Tilt: 32 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 111,844,884 km

• M1: 30,518 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.16 AU - 4.82 AU

Year: 3328 Days

Day: 43.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.31 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.4

Radius: 10.9

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.36 AU - 6.89 AU

Year: 5297 Days

Day: 14.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 111,844,884 km

• M1: 144,960 km (0.075 R)
• M2: 616,343 km (0.035 R)
• M3: 1,070,822 km (0.072 R)
• M4: 1,484,310 km (0.113 R)
• M5: 2,440,689 km (0.05 R)
• M6: 6,868,637 km (0.098 R)
• M7: 7,836,236 km (0.074 R)
• M8: 11,245,721 km (0.114 R)
• M9: 11,988,025 km (0.096 R)
• M10: 17,360,384 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.6

Radius: 9

Gravity: 11.43 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 4.84 AU - 7.44 AU

Year: 5323 Days

Day: 14.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 111,844,884 km

• M1: 111,899 km (0.111 R)
• M2: 517,758 km (0.109 R)
• M3: 1,145,471 km (0.034 R)
• M4: 1,536,520 km (0.066 R)
• M5: 1,869,225 km (0.091 R)
• M6: 2,719,091 km (0.051 R)
• M7: 3,231,314 km (0.078 R)
• M8: 4,686,901 km (0.078 R)
• M9: 7,756,350 km (0.094 R)
• M10: 8,340,081 km (0.113 R)
• M11: 9,860,893 km (0.043 R)
• M12: 10,360,251 km (0.093 R)
• M13: 13,223,255 km (0.082 R)
• M14: 16,957,966 km (0.086 R)
• M15: 19,240,081 km (0.106 R)
• M16: 30,138,885 km (0.107 R)
• M17: 33,367,356 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544

Radius: 10.9

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 9.02 AU - 14.06 AU

Year: 13715 Days

Day: 9 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 111,844,884 km

• M1: 135,685 km (0.11 R)
• M2: 766,539 km (0.083 R)
• M3: 1,400,834 km (0.099 R)
• M4: 2,664,488 km (0.101 R)
• M5: 3,134,674 km (0.045 R)
• M6: 3,529,762 km (0.078 R)
• M7: 4,243,194 km (0.049 R)
• M8: 4,919,676 km (0.058 R)
• M9: 5,595,708 km (0.1 R)
• M10: 7,008,810 km (0.066 R)
• M11: 8,089,954 km (0.074 R)
• M12: 8,983,502 km (0.119 R)
• M13: 9,378,889 km (0.069 R)
• M14: 10,966,272 km (0.073 R)
• M15: 11,882,708 km (0.057 R)
• M16: 13,998,770 km (0.111 R)
• M17: 14,531,040 km (0.112 R)
• M18: 18,802,956 km (0.058 R)
• M19: 21,311,114 km (0.107 R)
• M20: 27,083,947 km (0.045 R)
• M21: 29,182,805 km (0.108 R)
• M22: 31,501,123 km (0.026 R)
• M23: 32,070,792 km (0.075 R)
• M24: 32,531,403 km (0.114 R)
• M25: 34,058,798 km (0.041 R)
• M26: 34,779,710 km (0.086 R)
• M27: 35,143,981 km (0.118 R)
• M28: 36,501,432 km (0.089 R)
• M29: 38,797,460 km (0.117 R)
• M30: 40,514,544 km (0.1 R)
• M31: 50,174,527 km (0.118 R)
• M32: 53,169,776 km (0.111 R)
• M33: 54,629,402 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797

Radius: 5.3

Gravity: 28.37 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 18.87 AU - 22.61 AU

Year: 33044 Days

Day: 16.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 111,844,884 km

• M1: 67,020 km (0.092 R)
• M2: 284,236 km (0.089 R)
• M3: 946,805 km (0.083 R)
• M4: 1,176,886 km (0.12 R)
• M5: 1,479,822 km (0.106 R)
• M6: 1,689,708 km (0.079 R)
• M7: 2,217,489 km (0.066 R)
• M8: 5,194,636 km (0.106 R)
• M9: 5,682,026 km (0.119 R)
• M10: 6,296,874 km (0.091 R)
• M11: 10,875,167 km (0.088 R)
• M12: 25,562,536 km (0.076 R)
• M13: 26,835,016 km (0.11 R)
• M14: 34,138,533 km (0.101 R)
• M15: 40,752,854 km (0.102 R)
• M16: 50,109,004 km (0.065 R)
• M17: 56,230,399 km (0.109 R)
• M18: 57,296,732 km (0.089 R)
• M19: 58,159,463 km (0.03 R)
• M20: 77,283,606 km (0.104 R)
• M21: 77,808,845 km (0.106 R)

Kuiper Belt

Range: 31.4 - 57.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 15,230 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit