🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.97 AU - 1.15 AU

Year: 380 Days

Day: 39.2 Hours

Environment

Temp: 139 °C

Axial Tilt: 10.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.96 AU - 1.56 AU

Year: 493 Days

Day: 27.8 Hours

Environment

Temp: 17 °C

Axial Tilt: 20.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 115,029,258 km

• M1: 58,343 km (0.06 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.28 AU - 1.64 AU

Year: 614 Days

Day: 44.7 Hours

Environment

Temp: 4 °C

Axial Tilt: 24.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 4.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.5

Radius: 14.2

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.67 AU - 8.69 AU

Year: 6700 Days

Day: 5.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 115,029,258 km

• M1: 176,525 km (0.09 R)
• M2: 630,854 km (0.081 R)
• M3: 1,423,125 km (0.112 R)
• M4: 1,995,037 km (0.081 R)
• M5: 2,465,223 km (0.087 R)
• M6: 2,972,809 km (0.091 R)
• M7: 4,880,481 km (0.092 R)
• M8: 5,429,056 km (0.07 R)
• M9: 7,017,337 km (0.096 R)
• M10: 9,343,285 km (0.12 R)
• M11: 10,105,635 km (0.057 R)
• M12: 10,863,498 km (0.082 R)
• M13: 11,754,802 km (0.111 R)
• M14: 13,790,829 km (0.112 R)
• M15: 14,949,315 km (0.09 R)
• M16: 16,351,496 km (0.102 R)
• M17: 17,967,901 km (0.086 R)
• M18: 18,617,156 km (0.105 R)
• M19: 19,962,639 km (0.072 R)
• M20: 21,589,067 km (0.079 R)
• M21: 23,686,429 km (0.065 R)
• M22: 24,309,953 km (0.108 R)
• M23: 28,196,356 km (0.062 R)
• M24: 30,698,829 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.2

Radius: 13.8

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 7.42 AU - 9.78 AU

Year: 8783 Days

Day: 13.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 115,029,258 km

• M1: 181,462 km (0.111 R)
• M2: 703,858 km (0.099 R)
• M3: 1,338,751 km (0.097 R)
• M4: 1,833,322 km (0.105 R)
• M5: 2,770,852 km (0.101 R)
• M6: 3,614,584 km (0.119 R)
• M7: 4,162,561 km (0.109 R)
• M8: 4,623,621 km (0.076 R)
• M9: 7,824,268 km (0.108 R)
• M10: 14,298,415 km (0.084 R)
• M11: 16,936,873 km (0.078 R)
• M12: 19,508,161 km (0.099 R)
• M13: 22,494,284 km (0.117 R)
• M14: 22,992,146 km (0.12 R)
• M15: 24,881,118 km (0.112 R)
• M16: 26,044,690 km (0.081 R)
• M17: 32,518,987 km (0.084 R)
• M18: 39,991,999 km (0.092 R)
• M19: 40,478,641 km (0.064 R)
• M20: 41,463,743 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.4

Radius: 8.1

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.55 AU - 10.89 AU

Year: 8967 Days

Day: 7.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 115,029,258 km

• M1: 100,679 km (0.114 R)
• M2: 435,031 km (0.064 R)
• M3: 940,522 km (0.106 R)
• M4: 1,414,747 km (0.063 R)
• M5: 1,860,698 km (0.073 R)
• M6: 2,946,031 km (0.083 R)
• M7: 4,698,420 km (0.08 R)
• M8: 6,005,158 km (0.062 R)
• M9: 7,663,301 km (0.088 R)
• M10: 7,959,504 km (0.107 R)
• M11: 9,316,955 km (0.09 R)
• M12: 10,151,263 km (0.116 R)
• M13: 10,405,878 km (0.088 R)
• M14: 11,522,477 km (0.033 R)
• M15: 11,799,682 km (0.085 R)
• M16: 12,081,225 km (0.119 R)
• M17: 12,425,150 km (0.065 R)
• M18: 13,313,612 km (0.099 R)
• M19: 17,006,735 km (0.077 R)
• M20: 21,247,834 km (0.105 R)
• M21: 24,741,393 km (0.051 R)
• M22: 29,727,640 km (0.059 R)
• M23: 30,145,018 km (0.059 R)
• M24: 30,991,293 km (0.12 R)
• M25: 32,400,056 km (0.1 R)
• M26: 34,535,117 km (0.066 R)
• M27: 34,996,327 km (0.102 R)
• M28: 35,813,281 km (0.063 R)
• M29: 40,726,973 km (0.071 R)
• M30: 41,500,843 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.2

Radius: 6.4

Gravity: 21.27 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 16.14 AU - 25.4 AU

Year: 32965 Days

Day: 22.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 115,029,258 km

• M1: 79,736 km (0.034 R)
• M2: 401,820 km (0.085 R)
• M3: 784,042 km (0.095 R)
• M4: 985,401 km (0.114 R)
• M5: 1,790,836 km (0.052 R)
• M6: 2,076,718 km (0.098 R)
• M7: 6,742,077 km (0.037 R)
• M8: 11,195,456 km (0.054 R)
• M9: 20,266,622 km (0.066 R)
• M10: 22,046,837 km (0.082 R)
• M11: 23,329,489 km (0.086 R)
• M12: 25,283,087 km (0.091 R)
• M13: 35,275,178 km (0.085 R)
• M14: 36,543,319 km (0.087 R)
• M15: 46,471,382 km (0.075 R)
• M16: 54,629,253 km (0.106 R)
• M17: 55,897,693 km (0.091 R)
• M18: 62,766,031 km (0.104 R)
• M19: 86,988,170 km (0.105 R)
• M20: 114,684,720 km (0.09 R)

Kuiper Belt

Range: 31.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 11,402 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit