🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.53 AU - 0.63 AU

Year: 165 Days

Day: 37.4 Hours

Environment

Temp: 190 °C

Axial Tilt: 48.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.98 AU - 1.46 AU

Year: 502 Days

Day: 34.3 Hours

Environment

Temp: 7 °C

Axial Tilt: 36 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 71,883,428 km

• M1: 31,416 km (0.089 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.65

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.36 AU - 1.36 AU

Year: 591 Days

Day: 13.3 Hours

Environment

Temp: -42 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.3

Radius: 12.5

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 8.81 AU - 9.61 AU

Year: 10419 Days

Day: 12 Hours

Environment

Temp: -171 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,883,428 km

• M1: 155,432 km (0.046 R)
• M2: 605,123 km (0.11 R)
• M3: 1,440,029 km (0.093 R)
• M4: 2,519,228 km (0.119 R)
• M5: 3,492,063 km (0.112 R)
• M6: 4,672,390 km (0.034 R)
• M7: 5,607,377 km (0.12 R)
• M8: 17,218,565 km (0.031 R)
• M9: 24,515,650 km (0.088 R)
• M10: 25,307,023 km (0.083 R)
• M11: 27,501,025 km (0.069 R)
• M12: 28,451,421 km (0.109 R)
• M13: 34,510,882 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.1

Radius: 14.3

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 8.71 AU - 12.15 AU

Year: 12557 Days

Day: 12.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,883,428 km

• M1: 177,872 km (0.114 R)
• M2: 664,663 km (0.095 R)
• M3: 1,586,336 km (0.115 R)
• M4: 2,306,650 km (0.084 R)
• M5: 2,968,919 km (0.112 R)
• M6: 4,434,679 km (0.079 R)
• M7: 5,223,958 km (0.098 R)
• M8: 6,006,205 km (0.111 R)
• M9: 6,512,295 km (0.111 R)
• M10: 7,083,459 km (0.11 R)
• M11: 11,963,192 km (0.036 R)
• M12: 14,484,963 km (0.051 R)
• M13: 15,028,901 km (0.067 R)
• M14: 17,208,393 km (0.066 R)
• M15: 19,885,447 km (0.061 R)
• M16: 22,186,711 km (0.116 R)
• M17: 24,405,247 km (0.074 R)
• M18: 27,313,130 km (0.109 R)
• M19: 31,138,647 km (0.103 R)
• M20: 35,744,317 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.6

Radius: 4.1

Gravity: 17.76 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 14.49 AU - 23.99 AU

Year: 31460 Days

Day: 15.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,883,428 km

• M1: 51,162 km (0.11 R)
• M2: 388,655 km (0.074 R)
• M3: 552,764 km (0.101 R)
• M4: 815,159 km (0.106 R)
• M5: 1,254,827 km (0.032 R)
• M6: 1,437,486 km (0.076 R)
• M7: 2,032,736 km (0.119 R)
• M8: 3,628,945 km (0.098 R)
• M9: 4,712,483 km (0.047 R)
• M10: 6,969,166 km (0.088 R)
• M11: 8,044,326 km (0.12 R)
• M12: 10,093,967 km (0.034 R)
• M13: 11,142,797 km (0.084 R)
• M14: 21,466,546 km (0.045 R)
• M15: 24,570,852 km (0.117 R)
• M16: 28,674,920 km (0.112 R)
• M17: 30,138,436 km (0.057 R)
• M18: 32,295,787 km (0.065 R)
• M19: 38,353,005 km (0.096 R)
• M20: 38,498,862 km (0.07 R)
• M21: 38,791,625 km (0.055 R)
• M22: 41,955,620 km (0.062 R)
• M23: 42,110,454 km (0.113 R)
• M24: 47,772,434 km (0.105 R)
• M25: 50,696,923 km (0.104 R)
• M26: 53,193,113 km (0.109 R)
• M27: 56,332,873 km (0.114 R)
• M28: 66,488,923 km (0.09 R)
• M29: 70,783,130 km (0.066 R)
• M30: 72,551,377 km (0.087 R)
• M31: 74,575,586 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220.8

Radius: 5.4

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 15.13 AU - 24.07 AU

Year: 32347 Days

Day: 17.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,883,428 km

• M1: 93,947 km (0.113 R)
• M2: 395,686 km (0.11 R)
• M3: 667,954 km (0.11 R)
• M4: 975,528 km (0.1 R)
• M5: 4,802,690 km (0.06 R)
• M6: 5,937,839 km (0.082 R)
• M7: 7,523,277 km (0.069 R)
• M8: 7,959,953 km (0.106 R)
• M9: 8,936,827 km (0.094 R)
• M10: 10,819,516 km (0.04 R)
• M11: 11,950,476 km (0.089 R)
• M12: 14,518,773 km (0.097 R)
• M13: 14,741,823 km (0.117 R)
• M14: 16,609,702 km (0.117 R)
• M15: 20,902,263 km (0.106 R)
• M16: 22,848,382 km (0.069 R)
• M17: 24,911,935 km (0.109 R)
• M18: 26,649,664 km (0.076 R)
• M19: 26,984,314 km (0.099 R)
• M20: 28,933,575 km (0.092 R)
• M21: 30,364,628 km (0.094 R)
• M22: 31,468,510 km (0.107 R)
• M23: 33,238,403 km (0.113 R)
• M24: 34,147,659 km (0.098 R)
• M25: 36,424,987 km (0.106 R)
• M26: 40,246,614 km (0.1 R)
• M27: 42,481,158 km (0.049 R)
• M28: 44,796,933 km (0.054 R)
• M29: 48,013,736 km (0.082 R)
• M30: 56,906,432 km (0.055 R)
• M31: 60,673,456 km (0.05 R)
• M32: 62,617,929 km (0.098 R)
• M33: 66,018,139 km (0.105 R)
• M34: 69,328,889 km (0.112 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 14,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit