🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.07 AU - 1.69 AU

Year: 684 Days

Day: 41.2 Hours

Environment

Temp: -86 °C

Axial Tilt: 44.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,814,977 km

• M1: 45,029 km (0.118 R)
• M2: 301,141 km (0.074 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.44 AU - 2.44 AU

Year: 1607 Days

Day: 30.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.3

Radius: 8.9

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.1 AU - 3.72 AU

Year: 2656 Days

Day: 8.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,814,977 km

• M1: 110,702 km (0.106 R)
• M2: 709,991 km (0.1 R)
• M3: 1,194,240 km (0.116 R)
• M4: 1,612,665 km (0.093 R)
• M5: 1,923,679 km (0.053 R)
• M6: 2,592,531 km (0.081 R)
• M7: 4,562,286 km (0.108 R)
• M8: 4,952,288 km (0.1 R)
• M9: 5,904,628 km (0.028 R)
• M10: 6,312,581 km (0.088 R)
• M11: 6,885,541 km (0.077 R)
• M12: 8,504,041 km (0.095 R)
• M13: 10,245,659 km (0.086 R)
• M14: 10,596,915 km (0.071 R)
• M15: 12,387,302 km (0.109 R)
• M16: 14,910,420 km (0.067 R)
• M17: 15,770,907 km (0.12 R)
• M18: 17,204,952 km (0.091 R)
• M19: 17,535,114 km (0.058 R)
• M20: 18,723,969 km (0.119 R)
• M21: 19,665,238 km (0.116 R)
• M22: 20,269,464 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.9

Radius: 12.1

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.62 AU - 5.12 AU

Year: 3853 Days

Day: 9.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 72.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,814,977 km

• M1: 150,795 km (0.026 R)
• M2: 556,953 km (0.1 R)
• M3: 1,180,626 km (0.117 R)
• M4: 3,402,454 km (0.077 R)
• M5: 3,965,391 km (0.064 R)
• M6: 4,648,006 km (0.051 R)
• M7: 5,300,253 km (0.064 R)
• M8: 7,989,723 km (0.04 R)
• M9: 11,590,993 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.4

Radius: 14.9

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.87 AU - 6.23 AU

Year: 5514 Days

Day: 14.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,814,977 km

• M1: 185,352 km (0.057 R)
• M2: 724,353 km (0.101 R)
• M3: 1,247,497 km (0.087 R)
• M4: 1,888,673 km (0.119 R)
• M5: 2,369,630 km (0.072 R)
• M6: 3,074,685 km (0.051 R)
• M7: 3,917,071 km (0.073 R)
• M8: 4,405,208 km (0.091 R)
• M9: 5,009,434 km (0.077 R)
• M10: 6,415,654 km (0.097 R)
• M11: 6,970,513 km (0.105 R)
• M12: 9,247,093 km (0.062 R)
• M13: 11,308,851 km (0.06 R)
• M14: 12,972,379 km (0.088 R)
• M15: 14,375,308 km (0.038 R)
• M16: 15,383,448 km (0.108 R)
• M17: 17,245,942 km (0.118 R)
• M18: 18,384,382 km (0.113 R)
• M19: 19,191,761 km (0.11 R)
• M20: 19,764,422 km (0.117 R)
• M21: 20,744,288 km (0.102 R)
• M22: 21,279,998 km (0.084 R)
• M23: 24,319,527 km (0.065 R)
• M24: 25,292,662 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.1

Radius: 9.9

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.74 AU - 6.44 AU

Year: 5574 Days

Day: 5.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,814,977 km

• M1: 135,236 km (0.102 R)
• M2: 493,823 km (0.081 R)
• M3: 862,581 km (0.105 R)
• M4: 1,227,002 km (0.116 R)
• M5: 2,155,406 km (0.083 R)
• M6: 2,806,157 km (0.055 R)
• M7: 3,228,023 km (0.068 R)
• M8: 3,691,926 km (0.119 R)
• M9: 5,528,988 km (0.068 R)
• M10: 6,880,156 km (0.074 R)
• M11: 7,258,638 km (0.111 R)
• M12: 7,945,293 km (0.076 R)
• M13: 9,701,272 km (0.082 R)
• M14: 12,799,594 km (0.032 R)
• M15: 13,215,177 km (0.034 R)
• M16: 15,605,302 km (0.077 R)
• M17: 18,400,837 km (0.081 R)
• M18: 21,151,942 km (0.073 R)
• M19: 24,881,866 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.7

Radius: 9.3

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 9.14 AU - 10.28 AU

Year: 12761 Days

Day: 9.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,814,977 km

• M1: 115,639 km (0.077 R)
• M2: 555,008 km (0.094 R)
• M3: 1,192,744 km (0.058 R)
• M4: 1,801,458 km (0.045 R)
• M5: 3,130,934 km (0.067 R)
• M6: 4,181,410 km (0.097 R)
• M7: 4,992,380 km (0.099 R)
• M8: 7,652,829 km (0.079 R)
• M9: 16,342,071 km (0.077 R)
• M10: 17,148,703 km (0.08 R)
• M11: 19,503,972 km (0.114 R)
• M12: 20,105,954 km (0.079 R)
• M13: 22,885,931 km (0.08 R)
• M14: 31,498,729 km (0.083 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 15,858 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit