🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.84 AU - 1.22 AU

Year: 384 Days

Day: 12.8 Hours

Environment

Temp: 37 °C

Axial Tilt: 25.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.25 AU - 1.39 AU

Year: 557 Days

Day: 17.2 Hours

Environment

Temp: -16 °C

Axial Tilt: 12.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 83,738,476 km

• M1: 698,921 km (0.06 R)

Asteroid Belt

Center: 3.73 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.2

Radius: 14.5

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.14 AU - 6.14 AU

Year: 5585 Days

Day: 6.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,738,476 km

• M1: 180,265 km (0.118 R)
• M2: 679,623 km (0.073 R)
• M3: 1,181,524 km (0.101 R)
• M4: 1,852,919 km (0.078 R)
• M5: 3,832,249 km (0.11 R)
• M6: 4,537,303 km (0.117 R)
• M7: 5,379,988 km (0.106 R)
• M8: 6,007,701 km (0.116 R)
• M9: 6,868,637 km (0.059 R)
• M10: 7,776,546 km (0.097 R)
• M11: 8,836,746 km (0.118 R)
• M12: 10,193,150 km (0.102 R)
• M13: 11,028,205 km (0.086 R)
• M14: 12,978,363 km (0.064 R)
• M15: 13,959,875 km (0.065 R)
• M16: 16,800,888 km (0.078 R)
• M17: 19,752,454 km (0.102 R)
• M18: 24,399,263 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.9

Radius: 11.8

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.66 AU - 7.56 AU

Year: 6238 Days

Day: 13.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,738,476 km

• M1: 155,283 km (0.054 R)
• M2: 917,035 km (0.052 R)
• M3: 2,116,660 km (0.119 R)
• M4: 3,243,132 km (0.092 R)
• M5: 5,620,242 km (0.098 R)
• M6: 6,495,988 km (0.063 R)
• M7: 7,434,565 km (0.054 R)
• M8: 11,371,383 km (0.098 R)
• M9: 12,003,284 km (0.072 R)

Asteroid Belt

Center: 8.73 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 10.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.2

Radius: 11.1

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 10.81 AU - 10.87 AU

Year: 13101 Days

Day: 5.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,738,476 km

• M1: 156,180 km (0.08 R)
• M2: 918,681 km (0.088 R)
• M3: 1,935,348 km (0.065 R)
• M4: 3,080,968 km (0.117 R)
• M5: 5,504,603 km (0.116 R)
• M6: 6,549,844 km (0.111 R)
• M7: 8,418,770 km (0.087 R)
• M8: 9,759,167 km (0.103 R)
• M9: 14,922,388 km (0.1 R)
• M10: 16,311,254 km (0.116 R)
• M11: 21,664,614 km (0.047 R)
• M12: 22,580,602 km (0.065 R)
• M13: 23,126,634 km (0.029 R)
• M14: 23,922,046 km (0.103 R)
• M15: 25,905,414 km (0.08 R)
• M16: 32,116,868 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.6

Radius: 11.5

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 11 AU - 11.66 AU

Year: 14000 Days

Day: 9.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,738,476 km

• M1: 143,016 km (0.072 R)
• M2: 651,349 km (0.103 R)
• M3: 1,060,499 km (0.113 R)
• M4: 1,545,944 km (0.055 R)
• M5: 2,039,169 km (0.117 R)
• M6: 12,693,978 km (0.084 R)
• M7: 13,993,534 km (0.099 R)
• M8: 15,722,886 km (0.11 R)
• M9: 20,997,258 km (0.11 R)
• M10: 22,457,632 km (0.056 R)
• M11: 23,167,923 km (0.045 R)
• M12: 30,464,559 km (0.089 R)
• M13: 32,222,035 km (0.078 R)
• M14: 48,635,764 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.1

Radius: 4.9

Gravity: 18.66 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 15.78 AU - 20.66 AU

Year: 28549 Days

Day: 16.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,738,476 km

• M1: 60,886 km (0.058 R)
• M2: 326,722 km (0.094 R)
• M3: 847,023 km (0.05 R)
• M4: 1,261,559 km (0.101 R)
• M5: 1,481,318 km (0.112 R)
• M6: 1,957,488 km (0.099 R)
• M7: 2,726,421 km (0.064 R)
• M8: 3,095,479 km (0.041 R)
• M9: 3,320,923 km (0.117 R)
• M10: 3,804,573 km (0.077 R)
• M11: 4,652,494 km (0.1 R)
• M12: 5,660,933 km (0.106 R)
• M13: 6,260,372 km (0.072 R)
• M14: 6,575,574 km (0.112 R)
• M15: 11,691,373 km (0.095 R)
• M16: 14,599,107 km (0.092 R)
• M17: 15,394,818 km (0.1 R)
• M18: 19,811,246 km (0.119 R)
• M19: 32,746,824 km (0.058 R)
• M20: 35,503,763 km (0.034 R)
• M21: 36,938,557 km (0.082 R)
• M22: 39,617,705 km (0.099 R)
• M23: 41,317,286 km (0.088 R)
• M24: 45,693,473 km (0.112 R)
• M25: 46,536,457 km (0.042 R)
• M26: 65,645,490 km (0.097 R)
• M27: 66,502,836 km (0.085 R)
• M28: 66,718,257 km (0.115 R)
• M29: 69,562,112 km (0.119 R)
• M30: 74,557,185 km (0.068 R)
• M31: 78,336,327 km (0.117 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 14,547 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit