🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.76 AU - 1.06 AU

Year: 327 Days

Day: 19.5 Hours

Environment

Temp: 23 °C

Axial Tilt: 134.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.3 AU - 1.8 AU

Year: 727 Days

Day: 20.7 Hours

Environment

Temp: -50 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.96 AU - 3.16 AU

Year: 1543 Days

Day: 34.5 Hours

Environment

Temp: -91 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.54 AU - 3.46 AU

Year: 1958 Days

Day: 12.9 Hours

Environment

Temp: -102 °C

Axial Tilt: 43.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.82 AU - 4.16 AU

Year: 2456 Days

Day: 20.6 Hours

Environment

Temp: -116 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.6

Radius: 11.1

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.42 AU - 6.48 AU

Year: 4793 Days

Day: 11.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 108,732,754 km

• M1: 138,228 km (0.105 R)
• M2: 593,604 km (0.099 R)
• M3: 1,250,788 km (0.058 R)
• M4: 1,653,206 km (0.066 R)
• M5: 2,379,055 km (0.081 R)
• M6: 2,856,721 km (0.114 R)
• M7: 3,586,609 km (0.041 R)
• M8: 3,944,597 km (0.118 R)
• M9: 5,970,750 km (0.116 R)
• M10: 6,389,923 km (0.091 R)
• M11: 6,798,774 km (0.068 R)
• M12: 8,753,271 km (0.088 R)
• M13: 9,112,156 km (0.1 R)
• M14: 10,566,995 km (0.114 R)
• M15: 11,820,476 km (0.063 R)
• M16: 13,170,597 km (0.072 R)
• M17: 14,771,743 km (0.089 R)
• M18: 16,015,050 km (0.028 R)
• M19: 17,270,775 km (0.069 R)
• M20: 17,894,149 km (0.075 R)
• M21: 20,163,399 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.9

Radius: 3.8

Gravity: 50.62 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 14.79 AU - 15.03 AU

Year: 21689 Days

Day: 23.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 108,732,754 km

• M1: 47,273 km (0.112 R)
• M2: 533,616 km (0.03 R)
• M3: 1,283,251 km (0.112 R)
• M4: 4,068,613 km (0.047 R)
• M5: 5,783,454 km (0.072 R)
• M6: 6,845,449 km (0.071 R)
• M7: 8,454,823 km (0.12 R)
• M8: 10,116,706 km (0.116 R)
• M9: 15,397,810 km (0.052 R)
• M10: 15,640,607 km (0.1 R)
• M11: 15,968,226 km (0.039 R)
• M12: 18,940,886 km (0.108 R)
• M13: 20,654,679 km (0.051 R)
• M14: 27,227,411 km (0.113 R)
• M15: 30,534,721 km (0.056 R)
• M16: 31,175,149 km (0.038 R)
• M17: 38,523,845 km (0.105 R)
• M18: 40,028,650 km (0.087 R)
• M19: 44,449,716 km (0.061 R)
• M20: 47,457,232 km (0.093 R)
• M21: 47,971,250 km (0.083 R)
• M22: 48,662,392 km (0.047 R)
• M23: 49,888,048 km (0.11 R)
• M24: 54,432,831 km (0.098 R)
• M25: 59,444,060 km (0.064 R)
• M26: 60,843,997 km (0.119 R)
• M27: 62,881,670 km (0.117 R)
• M28: 73,984,973 km (0.057 R)
• M29: 78,434,014 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.9

Radius: 7.8

Gravity: 15.96 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 14.07 AU - 21.87 AU

Year: 28698 Days

Day: 17.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 108,732,754 km

• M1: 150,495 km (0.101 R)
• M2: 679,174 km (0.09 R)
• M3: 1,285,644 km (0.09 R)
• M4: 1,774,081 km (0.072 R)
• M5: 2,095,866 km (0.068 R)
• M6: 2,971,911 km (0.045 R)
• M7: 3,690,280 km (0.112 R)
• M8: 5,123,428 km (0.114 R)
• M9: 11,887,346 km (0.095 R)
• M10: 14,171,257 km (0.037 R)
• M11: 14,592,524 km (0.098 R)
• M12: 15,637,914 km (0.11 R)
• M13: 17,203,157 km (0.109 R)
• M14: 17,974,783 km (0.102 R)
• M15: 19,175,156 km (0.1 R)
• M16: 20,004,526 km (0.11 R)
• M17: 21,402,967 km (0.098 R)
• M18: 21,846,076 km (0.05 R)
• M19: 23,562,263 km (0.079 R)
• M20: 25,120,923 km (0.096 R)
• M21: 28,309,003 km (0.119 R)
• M22: 35,014,578 km (0.11 R)
• M23: 42,532,021 km (0.059 R)
• M24: 42,881,332 km (0.112 R)
• M25: 63,115,940 km (0.105 R)
• M26: 64,946,868 km (0.078 R)
• M27: 66,109,094 km (0.111 R)
• M28: 75,398,374 km (0.112 R)
• M29: 83,865,464 km (0.104 R)
• M30: 89,753,337 km (0.101 R)
• M31: 92,067,018 km (0.065 R)
• M32: 94,123,689 km (0.092 R)
• M33: 94,420,042 km (0.091 R)
• M34: 96,211,028 km (0.084 R)
• M35: 97,417,385 km (0.106 R)
• M36: 103,601,163 km (0.094 R)
• M37: 106,146,272 km (0.116 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 20,442 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit