🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.68 AU - 0.76 AU

Year: 214 Days

Day: 16.1 Hours

Environment

Temp: 208 °C

Axial Tilt: 0.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 35,002,236 km

• M1: 44,431 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.81 AU - 1.05 AU

Year: 314 Days

Day: 35.1 Hours

Environment

Temp: 177 °C

Axial Tilt: 82.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.04 AU - 1.4 AU

Year: 471 Days

Day: 26 Hours

Environment

Temp: 9 °C

Axial Tilt: 32.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 3.93 AU - 6.27 AU

Year: 4029 Days

Day: 12.9 Hours

Environment

Temp: -127 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,002,236 km

• M1: 116,836 km (0.118 R)

Asteroid Belt

Center: 7.32 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.4

Radius: 10.8

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7.28 AU - 11.8 AU

Year: 10309 Days

Day: 9.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,002,236 km

• M1: 134,339 km (0.113 R)
• M2: 489,783 km (0.07 R)
• M3: 828,623 km (0.091 R)
• M4: 1,528,142 km (0.101 R)
• M5: 2,301,713 km (0.118 R)
• M6: 2,916,859 km (0.076 R)
• M7: 4,696,476 km (0.085 R)
• M8: 5,752,487 km (0.089 R)
• M9: 7,296,337 km (0.092 R)
• M10: 9,685,415 km (0.104 R)
• M11: 10,733,348 km (0.1 R)
• M12: 14,211,798 km (0.077 R)
• M13: 17,541,996 km (0.091 R)
• M14: 26,055,012 km (0.053 R)
• M15: 26,868,825 km (0.089 R)
• M16: 28,168,232 km (0.115 R)
• M17: 35,629,575 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 303.5

Radius: 5.2

Gravity: 11.22 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 15.54 AU - 16.4 AU

Year: 22327 Days

Day: 21.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 35,002,236 km

• M1: 66,421 km (0.098 R)
• M2: 243,246 km (0.106 R)
• M3: 571,015 km (0.054 R)
• M4: 1,238,371 km (0.088 R)
• M5: 2,974,006 km (0.118 R)
• M6: 3,147,090 km (0.043 R)
• M7: 3,513,456 km (0.111 R)
• M8: 3,820,879 km (0.077 R)
• M9: 4,207,141 km (0.062 R)
• M10: 5,823,247 km (0.058 R)
• M11: 6,213,847 km (0.086 R)
• M12: 7,178,753 km (0.078 R)
• M13: 7,491,263 km (0.102 R)
• M14: 7,766,373 km (0.111 R)
• M15: 8,000,644 km (0.116 R)
• M16: 9,243,652 km (0.083 R)
• M17: 9,993,437 km (0.067 R)
• M18: 10,957,296 km (0.095 R)
• M19: 11,192,763 km (0.111 R)
• M20: 14,080,152 km (0.091 R)
• M21: 18,819,861 km (0.09 R)
• M22: 19,413,764 km (0.064 R)
• M23: 20,818,339 km (0.084 R)
• M24: 21,089,111 km (0.108 R)
• M25: 23,828,098 km (0.093 R)
• M26: 27,982,431 km (0.045 R)
• M27: 29,657,030 km (0.048 R)
• M28: 33,574,101 km (0.095 R)
• M29: 35,591,727 km (0.084 R)
• M30: 36,368,738 km (0.068 R)
• M31: 54,548,769 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.6

Radius: 3.7

Gravity: 37.95 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 16.01 AU - 16.67 AU

Year: 23108 Days

Day: 17 Hours

Environment

Temp: -182 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 35,002,236 km

• M1: 46,076 km (0.092 R)
• M2: 174,730 km (0.12 R)
• M3: 927,507 km (0.067 R)
• M4: 1,088,474 km (0.081 R)
• M5: 1,327,083 km (0.077 R)
• M6: 1,704,369 km (0.103 R)
• M7: 2,149,273 km (0.052 R)
• M8: 2,277,179 km (0.082 R)
• M9: 2,691,565 km (0.106 R)
• M10: 3,127,493 km (0.091 R)
• M11: 4,471,929 km (0.091 R)
• M12: 4,680,917 km (0.116 R)
• M13: 5,043,842 km (0.08 R)
• M14: 6,032,833 km (0.109 R)
• M15: 6,506,460 km (0.062 R)
• M16: 7,674,221 km (0.115 R)
• M17: 8,543,684 km (0.077 R)
• M18: 13,241,805 km (0.115 R)
• M19: 13,891,808 km (0.07 R)
• M20: 14,336,862 km (0.089 R)
• M21: 16,049,907 km (0.118 R)
• M22: 17,293,215 km (0.043 R)
• M23: 22,909,717 km (0.103 R)
• M24: 23,950,320 km (0.087 R)
• M25: 27,260,921 km (0.102 R)
• M26: 27,491,900 km (0.067 R)
• M27: 30,489,991 km (0.077 R)
• M28: 30,614,307 km (0.112 R)
• M29: 32,131,827 km (0.043 R)
• M30: 40,777,537 km (0.052 R)
• M31: 42,923,519 km (0.103 R)
• M32: 44,182,983 km (0.119 R)
• M33: 48,615,418 km (0.099 R)
• M34: 49,296,388 km (0.098 R)
• M35: 54,790,071 km (0.098 R)
• M36: 55,712,790 km (0.085 R)
• M37: 56,084,691 km (0.107 R)
• M38: 57,778,886 km (0.1 R)
• M39: 58,351,098 km (0.051 R)
• M40: 59,313,312 km (0.028 R)
• M41: 66,345,908 km (0.052 R)
• M42: 70,821,278 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41.8

Radius: 5.5

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 13.56 AU - 21.12 AU

Year: 25261 Days

Day: 20.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,002,236 km

• M1: 69,413 km (0.062 R)
• M2: 352,153 km (0.101 R)
• M3: 733,329 km (0.094 R)
• M4: 2,031,090 km (0.08 R)
• M5: 2,619,758 km (0.107 R)
• M6: 2,963,833 km (0.076 R)
• M7: 3,513,306 km (0.108 R)
• M8: 4,078,487 km (0.11 R)
• M9: 4,382,918 km (0.101 R)
• M10: 4,702,459 km (0.054 R)
• M11: 4,895,890 km (0.113 R)
• M12: 5,239,815 km (0.093 R)
• M13: 5,912,257 km (0.069 R)
• M14: 6,744,321 km (0.1 R)
• M15: 7,316,233 km (0.087 R)
• M16: 8,638,230 km (0.111 R)
• M17: 12,309,362 km (0.082 R)
• M18: 14,513,387 km (0.097 R)
• M19: 23,551,642 km (0.095 R)
• M20: 24,037,535 km (0.066 R)
• M21: 26,047,832 km (0.085 R)
• M22: 32,546,812 km (0.057 R)

Kuiper Belt

Range: 31.4 - 47.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 18,235 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit