🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.6 AU - 0.7 AU

Year: 200 Days

Day: 30.5 Hours

Environment

Temp: 190 °C

Axial Tilt: 45.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 72,122,906 km

• M1: 368,908 km (0.096 R)
• M2: 436,826 km (0.046 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.89 AU - 1.01 AU

Year: 353 Days

Day: 12.9 Hours

Environment

Temp: 18 °C

Axial Tilt: 17.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 72,122,906 km

• M1: 109,506 km (0.096 R)
• M2: 251,175 km (0.105 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.08 AU - 1.12 AU

Year: 439 Days

Day: 41.9 Hours

Environment

Temp: 10 °C

Axial Tilt: 10.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 72,122,906 km

• M1: 32,762 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.31 AU - 1.89 AU

Year: 771 Days

Day: 32 Hours

Environment

Temp: -65 °C

Axial Tilt: 55.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,122,906 km

• M1: 725,101 km (0.091 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.29 AU - 2.03 AU

Year: 814 Days

Day: 23.8 Hours

Environment

Temp: -72 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.1

Radius: 13.7

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.06 AU - 6.42 AU

Year: 5936 Days

Day: 10.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,122,906 km

• M1: 188,344 km (0.107 R)
• M2: 675,584 km (0.095 R)
• M3: 1,645,277 km (0.107 R)
• M4: 2,527,157 km (0.091 R)
• M5: 3,727,979 km (0.09 R)
• M6: 4,470,433 km (0.082 R)
• M7: 5,250,586 km (0.105 R)
• M8: 8,144,407 km (0.077 R)
• M9: 8,965,849 km (0.096 R)
• M10: 9,396,841 km (0.077 R)
• M11: 10,254,336 km (0.067 R)
• M12: 11,262,027 km (0.094 R)
• M13: 18,396,948 km (0.108 R)
• M14: 27,441,785 km (0.053 R)
• M15: 27,986,620 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.7

Radius: 13.7

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.04 AU - 8.36 AU

Year: 7357 Days

Day: 14 Hours

Environment

Temp: -168 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,122,906 km

• M1: 170,392 km (0.077 R)
• M2: 615,146 km (0.113 R)
• M3: 1,143,676 km (0.075 R)
• M4: 1,724,863 km (0.036 R)
• M5: 2,719,240 km (0.114 R)
• M6: 3,280,831 km (0.113 R)
• M7: 3,823,273 km (0.07 R)
• M8: 4,320,686 km (0.056 R)
• M9: 6,178,691 km (0.103 R)
• M10: 6,725,621 km (0.065 R)
• M11: 7,956,512 km (0.1 R)
• M12: 8,439,564 km (0.107 R)
• M13: 9,157,634 km (0.056 R)
• M14: 10,619,803 km (0.089 R)
• M15: 11,107,343 km (0.068 R)
• M16: 13,432,542 km (0.055 R)
• M17: 14,061,302 km (0.109 R)
• M18: 15,939,204 km (0.093 R)
• M19: 17,037,552 km (0.088 R)
• M20: 21,166,453 km (0.11 R)
• M21: 23,874,175 km (0.119 R)
• M22: 24,627,998 km (0.115 R)
• M23: 25,225,193 km (0.067 R)
• M24: 27,528,252 km (0.114 R)
• M25: 30,356,250 km (0.061 R)
• M26: 31,639,950 km (0.101 R)
• M27: 33,062,476 km (0.027 R)
• M28: 33,580,683 km (0.104 R)
• M29: 35,816,872 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.3

Radius: 3.2

Gravity: 82.74 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 9.97 AU - 13.75 AU

Year: 15553 Days

Day: 18.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 72,122,906 km

• M1: 54,753 km (0.066 R)
• M2: 191,485 km (0.115 R)
• M3: 513,270 km (0.103 R)
• M4: 670,049 km (0.119 R)
• M5: 784,940 km (0.081 R)
• M6: 1,042,548 km (0.101 R)
• M7: 1,368,521 km (0.113 R)
• M8: 1,539,063 km (0.098 R)
• M9: 1,706,014 km (0.091 R)
• M10: 2,136,407 km (0.093 R)
• M11: 2,498,135 km (0.096 R)
• M12: 3,076,331 km (0.061 R)
• M13: 3,233,708 km (0.089 R)
• M14: 3,709,279 km (0.073 R)
• M15: 4,391,894 km (0.084 R)
• M16: 5,227,548 km (0.075 R)
• M17: 6,082,051 km (0.072 R)
• M18: 7,161,250 km (0.104 R)
• M19: 7,484,830 km (0.119 R)
• M20: 14,581,005 km (0.084 R)
• M21: 14,728,060 km (0.084 R)
• M22: 15,631,781 km (0.074 R)
• M23: 19,085,248 km (0.074 R)
• M24: 20,709,132 km (0.106 R)
• M25: 29,162,459 km (0.105 R)
• M26: 32,297,432 km (0.109 R)
• M27: 32,798,884 km (0.104 R)
• M28: 34,334,207 km (0.082 R)
• M29: 38,520,853 km (0.111 R)
• M30: 38,661,326 km (0.059 R)
• M31: 39,368,624 km (0.058 R)
• M32: 41,690,084 km (0.117 R)
• M33: 45,340,721 km (0.117 R)
• M34: 45,497,350 km (0.119 R)
• M35: 45,654,278 km (0.053 R)
• M36: 51,888,620 km (0.081 R)
• M37: 54,498,056 km (0.078 R)
• M38: 57,926,988 km (0.102 R)
• M39: 58,481,248 km (0.101 R)
• M40: 63,043,086 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.7

Radius: 3.5

Gravity: 25.77 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 13.58 AU - 20.84 AU

Year: 27187 Days

Day: 16.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,122,906 km

• M1: 43,832 km (0.101 R)
• M2: 205,547 km (0.11 R)
• M3: 355,744 km (0.101 R)
• M4: 478,115 km (0.11 R)
• M5: 759,808 km (0.116 R)
• M6: 931,995 km (0.085 R)
• M7: 1,526,197 km (0.065 R)
• M8: 2,610,333 km (0.034 R)
• M9: 3,434,618 km (0.109 R)
• M10: 3,606,505 km (0.087 R)
• M11: 3,967,485 km (0.12 R)
• M12: 4,253,815 km (0.112 R)
• M13: 6,481,328 km (0.095 R)
• M14: 7,059,374 km (0.043 R)
• M15: 7,384,600 km (0.082 R)
• M16: 7,671,229 km (0.08 R)
• M17: 10,533,336 km (0.071 R)
• M18: 16,973,973 km (0.06 R)
• M19: 18,152,654 km (0.104 R)
• M20: 19,656,113 km (0.042 R)
• M21: 21,336,396 km (0.094 R)
• M22: 24,450,276 km (0.107 R)
• M23: 26,835,016 km (0.056 R)
• M24: 27,171,760 km (0.032 R)
• M25: 27,284,707 km (0.088 R)
• M26: 30,330,519 km (0.083 R)
• M27: 31,684,679 km (0.12 R)
• M28: 32,313,290 km (0.029 R)
• M29: 41,406,746 km (0.071 R)
• M30: 43,532,681 km (0.099 R)
• M31: 53,470,019 km (0.111 R)
• M32: 64,214,138 km (0.091 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: 362 - 13,177 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit