🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.61 AU - 0.81 AU

Year: 254 Days

Day: 44.2 Hours

Environment

Temp: 15 °C

Axial Tilt: 49.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 86,727,404 km

• M1: 72,854 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.51

Radius: 1.45

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.64 AU - 0.98 AU

Year: 310 Days

Day: 25.3 Hours

Environment

Temp: -9 °C

Axial Tilt: 43 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.31 AU - 1.83 AU

Year: 835 Days

Day: 24.4 Hours

Environment

Temp: -82 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.69 AU - 2.39 AU

Year: 1237 Days

Day: 32.5 Hours

Environment

Temp: -108 °C

Axial Tilt: 41.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,727,404 km

• M1: 1,467,406 km (0.079 R)

Asteroid Belt

Center: 2.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.9

Radius: 9.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.13 AU - 3.17 AU

Year: 2374 Days

Day: 5.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,727,404 km

• M1: 118,182 km (0.047 R)
• M2: 435,479 km (0.118 R)
• M3: 913,594 km (0.064 R)
• M4: 1,209,349 km (0.092 R)
• M5: 2,023,461 km (0.109 R)
• M6: 3,517,046 km (0.067 R)
• M7: 4,165,403 km (0.083 R)
• M8: 4,535,658 km (0.044 R)
• M9: 5,020,056 km (0.068 R)
• M10: 5,420,529 km (0.11 R)
• M11: 5,987,356 km (0.117 R)
• M12: 7,144,794 km (0.07 R)
• M13: 7,456,107 km (0.064 R)
• M14: 7,776,546 km (0.094 R)
• M15: 8,658,426 km (0.068 R)
• M16: 9,040,349 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.5

Radius: 12.6

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.74 AU - 7.78 AU

Year: 9178 Days

Day: 9.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,727,404 km

• M1: 164,558 km (0.059 R)
• M2: 668,702 km (0.097 R)
• M3: 1,546,393 km (0.098 R)
• M4: 2,257,432 km (0.089 R)
• M5: 2,826,053 km (0.036 R)
• M6: 3,308,357 km (0.106 R)
• M7: 4,467,740 km (0.105 R)
• M8: 7,772,507 km (0.067 R)
• M9: 9,300,051 km (0.09 R)
• M10: 10,134,957 km (0.107 R)
• M11: 10,818,320 km (0.085 R)
• M12: 12,885,164 km (0.081 R)
• M13: 16,494,212 km (0.059 R)
• M14: 17,098,289 km (0.102 R)
• M15: 19,440,991 km (0.09 R)
• M16: 20,882,965 km (0.094 R)
• M17: 22,395,100 km (0.069 R)
• M18: 24,149,883 km (0.095 R)
• M19: 26,447,557 km (0.078 R)
• M20: 29,081,078 km (0.112 R)
• M21: 33,994,620 km (0.088 R)
• M22: 40,516,339 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 748.1

Radius: 5.6

Gravity: 23.86 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 9.34 AU - 14.46 AU

Year: 17430 Days

Day: 20.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,727,404 km

• M1: 73,602 km (0.084 R)
• M2: 253,269 km (0.093 R)
• M3: 750,084 km (0.077 R)
• M4: 1,094,458 km (0.097 R)
• M5: 2,280,769 km (0.113 R)
• M6: 2,566,950 km (0.091 R)
• M7: 2,754,695 km (0.089 R)
• M8: 3,687,288 km (0.081 R)
• M9: 8,784,836 km (0.119 R)
• M10: 11,567,805 km (0.115 R)
• M11: 12,545,277 km (0.061 R)
• M12: 20,232,065 km (0.052 R)
• M13: 25,848,866 km (0.118 R)
• M14: 37,327,511 km (0.051 R)
• M15: 39,449,258 km (0.106 R)
• M16: 45,339,524 km (0.119 R)
• M17: 59,580,793 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.4

Radius: 3.6

Gravity: 48.49 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 13.95 AU - 16.65 AU

Year: 25410 Days

Day: 17.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,727,404 km

• M1: 46,076 km (0.086 R)
• M2: 343,178 km (0.045 R)
• M3: 918,381 km (0.059 R)
• M4: 1,273,227 km (0.099 R)
• M5: 2,202,978 km (0.105 R)
• M6: 2,432,312 km (0.114 R)
• M7: 3,391,982 km (0.067 R)
• M8: 3,573,444 km (0.117 R)
• M9: 3,922,905 km (0.118 R)
• M10: 4,190,984 km (0.076 R)
• M11: 6,793,389 km (0.115 R)
• M12: 7,479,146 km (0.029 R)
• M13: 8,537,251 km (0.097 R)
• M14: 14,076,860 km (0.112 R)
• M15: 14,863,446 km (0.109 R)
• M16: 17,938,281 km (0.106 R)
• M17: 21,005,037 km (0.104 R)
• M18: 25,999,212 km (0.12 R)
• M19: 30,032,521 km (0.032 R)
• M20: 34,183,263 km (0.092 R)
• M21: 37,054,645 km (0.102 R)
• M22: 57,125,593 km (0.118 R)
• M23: 67,104,219 km (0.095 R)
• M24: 67,763,796 km (0.073 R)
• M25: 74,599,222 km (0.078 R)
• M26: 76,736,078 km (0.088 R)
• M27: 77,216,287 km (0.083 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: 230 - 13,332 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit