🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.69 AU - 1.11 AU

Year: 303 Days

Day: 19.9 Hours

Environment

Temp: 158 °C

Axial Tilt: 8.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.97 AU - 1.15 AU

Year: 387 Days

Day: 16.8 Hours

Environment

Temp: 45 °C

Axial Tilt: 69.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.99 AU - 1.51 AU

Year: 496 Days

Day: 31.9 Hours

Environment

Temp: 26 °C

Axial Tilt: 47.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 110,043,482 km

• M1: 86,916 km (0.091 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.89 AU - 2.91 AU

Year: 1319 Days

Day: 20.8 Hours

Environment

Temp: -77 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.82 AU - 5.42 AU

Year: 3523 Days

Day: 15.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.46 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 12.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.2

Radius: 12.7

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 10.08 AU - 14.5 AU

Year: 15285 Days

Day: 9 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 110,043,482 km

• M1: 173,982 km (0.091 R)
• M2: 862,133 km (0.1 R)
• M3: 1,263,354 km (0.106 R)
• M4: 3,313,742 km (0.106 R)
• M5: 4,339,535 km (0.108 R)
• M6: 5,383,429 km (0.09 R)
• M7: 6,341,753 km (0.117 R)
• M8: 8,203,648 km (0.039 R)
• M9: 9,740,617 km (0.045 R)
• M10: 14,553,330 km (0.037 R)
• M11: 16,252,462 km (0.062 R)
• M12: 18,080,399 km (0.083 R)
• M13: 18,916,501 km (0.093 R)
• M14: 19,690,820 km (0.108 R)
• M15: 28,413,124 km (0.025 R)
• M16: 29,314,900 km (0.099 R)
• M17: 30,119,437 km (0.061 R)
• M18: 32,134,670 km (0.042 R)
• M19: 36,564,113 km (0.118 R)
• M20: 49,628,196 km (0.063 R)
• M21: 63,372,500 km (0.112 R)
• M22: 64,524,254 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204

Radius: 5.8

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 14.44 AU - 23.66 AU

Year: 29497 Days

Day: 16.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 110,043,482 km

• M1: 72,555 km (0.08 R)
• M2: 362,176 km (0.09 R)
• M3: 614,249 km (0.104 R)
• M4: 1,993,691 km (0.119 R)
• M5: 2,435,453 km (0.066 R)
• M6: 4,033,458 km (0.111 R)
• M7: 4,571,561 km (0.107 R)
• M8: 5,411,105 km (0.068 R)
• M9: 6,943,585 km (0.067 R)
• M10: 7,528,513 km (0.072 R)
• M11: 14,277,172 km (0.045 R)
• M12: 15,444,185 km (0.107 R)
• M13: 18,722,473 km (0.097 R)
• M14: 19,763,225 km (0.113 R)
• M15: 25,550,568 km (0.077 R)
• M16: 26,291,527 km (0.114 R)
• M17: 29,746,190 km (0.088 R)
• M18: 30,803,099 km (0.071 R)
• M19: 40,602,358 km (0.106 R)
• M20: 49,467,079 km (0.098 R)
• M21: 52,799,671 km (0.107 R)
• M22: 54,694,926 km (0.08 R)
• M23: 61,026,357 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.6

Radius: 6.2

Gravity: 23.43 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 18.61 AU - 20.21 AU

Year: 30337 Days

Day: 17.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 110,043,482 km

• M1: 154,684 km (0.113 R)
• M2: 419,323 km (0.05 R)
• M3: 784,790 km (0.055 R)
• M4: 1,836,912 km (0.101 R)
• M5: 2,314,578 km (0.103 R)
• M6: 2,676,755 km (0.025 R)
• M7: 3,481,591 km (0.059 R)
• M8: 3,817,289 km (0.107 R)
• M9: 4,475,968 km (0.113 R)
• M10: 4,996,868 km (0.117 R)
• M11: 5,468,550 km (0.057 R)
• M12: 6,255,285 km (0.031 R)
• M13: 6,854,275 km (0.057 R)
• M14: 8,108,504 km (0.072 R)
• M15: 9,767,395 km (0.098 R)
• M16: 11,133,672 km (0.076 R)
• M17: 12,238,452 km (0.102 R)
• M18: 14,155,399 km (0.079 R)
• M19: 15,539,329 km (0.107 R)
• M20: 28,100,913 km (0.075 R)
• M21: 30,556,263 km (0.119 R)
• M22: 32,125,096 km (0.068 R)
• M23: 38,282,544 km (0.049 R)
• M24: 40,104,197 km (0.059 R)
• M25: 43,919,392 km (0.104 R)
• M26: 46,099,033 km (0.113 R)
• M27: 48,159,444 km (0.118 R)
• M28: 52,664,285 km (0.064 R)
• M29: 55,539,556 km (0.084 R)
• M30: 61,824,910 km (0.055 R)
• M31: 62,500,943 km (0.107 R)
• M32: 65,487,665 km (0.076 R)
• M33: 69,050,488 km (0.099 R)
• M34: 69,778,132 km (0.097 R)
• M35: 76,818,656 km (0.05 R)
• M36: 82,399,405 km (0.077 R)
• M37: 98,283,258 km (0.088 R)
• M38: 102,628,926 km (0.099 R)
• M39: 106,132,060 km (0.044 R)

Kuiper Belt

Range: 30.9 - 60.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 11,816 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit