🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.07 AU - 1.65 AU

Year: 579 Days

Day: 33.8 Hours

Environment

Temp: 3 °C

Axial Tilt: 21.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.14 AU - 1.82 AU

Year: 658 Days

Day: 39.8 Hours

Environment

Temp: -30 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,513,509 km

• M1: 97,538 km (0.043 R)

Asteroid Belt

Center: 3.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.7

Radius: 12

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.22 AU - 6.46 AU

Year: 4507 Days

Day: 6.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,513,509 km

• M1: 149,299 km (0.115 R)
• M2: 1,633,609 km (0.112 R)
• M3: 2,140,147 km (0.065 R)
• M4: 4,918,030 km (0.11 R)
• M5: 5,705,513 km (0.1 R)
• M6: 7,498,144 km (0.101 R)
• M7: 8,469,035 km (0.095 R)
• M8: 9,600,443 km (0.059 R)
• M9: 13,352,508 km (0.104 R)
• M10: 16,244,085 km (0.076 R)
• M11: 18,470,550 km (0.094 R)
• M12: 20,301,478 km (0.073 R)
• M13: 21,361,828 km (0.092 R)
• M14: 22,319,703 km (0.117 R)
• M15: 23,737,442 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.5

Radius: 8.9

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.78 AU - 6.98 AU

Year: 5208 Days

Day: 13.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 32,513,509 km

• M1: 110,852 km (0.087 R)
• M2: 537,505 km (0.092 R)
• M3: 923,617 km (0.111 R)
• M4: 1,218,624 km (0.057 R)
• M5: 1,825,992 km (0.107 R)
• M6: 2,112,023 km (0.026 R)
• M7: 3,128,241 km (0.119 R)
• M8: 3,956,864 km (0.108 R)
• M9: 4,246,036 km (0.097 R)
• M10: 5,845,686 km (0.105 R)
• M11: 6,780,823 km (0.039 R)
• M12: 7,398,063 km (0.044 R)
• M13: 7,891,736 km (0.031 R)
• M14: 9,596,404 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.2

Radius: 12.6

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.21 AU - 7.37 AU

Year: 6462 Days

Day: 5.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,513,509 km

• M1: 156,629 km (0.086 R)
• M2: 609,611 km (0.118 R)
• M3: 1,109,567 km (0.088 R)
• M4: 3,017,239 km (0.118 R)
• M5: 3,527,069 km (0.082 R)
• M6: 4,119,327 km (0.042 R)
• M7: 4,804,784 km (0.099 R)
• M8: 5,352,761 km (0.063 R)
• M9: 6,269,647 km (0.118 R)
• M10: 8,414,581 km (0.072 R)
• M11: 9,431,547 km (0.086 R)
• M12: 10,015,727 km (0.051 R)
• M13: 11,811,649 km (0.078 R)
• M14: 12,384,759 km (0.107 R)
• M15: 16,670,439 km (0.114 R)
• M16: 26,058,303 km (0.102 R)
• M17: 27,120,299 km (0.056 R)
• M18: 30,092,958 km (0.117 R)
• M19: 31,261,766 km (0.099 R)
• M20: 32,663,199 km (0.073 R)
• M21: 33,173,777 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.5

Radius: 10

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 9.77 AU - 10.45 AU

Year: 11741 Days

Day: 10 Hours

Environment

Temp: -168 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,513,509 km

• M1: 135,835 km (0.06 R)
• M2: 911,799 km (0.103 R)
• M3: 2,740,932 km (0.081 R)
• M4: 4,110,650 km (0.108 R)
• M5: 5,323,141 km (0.115 R)
• M6: 5,652,107 km (0.092 R)
• M7: 7,344,507 km (0.067 R)
• M8: 7,878,572 km (0.111 R)
• M9: 8,263,338 km (0.116 R)
• M10: 8,750,727 km (0.094 R)
• M11: 15,784,371 km (0.089 R)
• M12: 27,986,321 km (0.109 R)
• M13: 30,214,282 km (0.056 R)
• M14: 30,631,660 km (0.086 R)
• M15: 32,014,992 km (0.053 R)
• M16: 38,574,409 km (0.093 R)
• M17: 39,065,689 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.8

Radius: 9.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 8.78 AU - 14.64 AU

Year: 14636 Days

Day: 10.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 32,513,509 km

• M1: 115,639 km (0.106 R)
• M2: 446,699 km (0.087 R)
• M3: 804,238 km (0.069 R)
• M4: 1,492,837 km (0.098 R)
• M5: 3,811,754 km (0.076 R)
• M6: 4,966,350 km (0.067 R)
• M7: 5,927,965 km (0.103 R)
• M8: 8,332,901 km (0.114 R)
• M9: 11,711,269 km (0.105 R)
• M10: 14,734,193 km (0.079 R)
• M11: 15,727,823 km (0.115 R)
• M12: 19,593,581 km (0.116 R)
• M13: 20,722,447 km (0.07 R)
• M14: 21,156,879 km (0.083 R)
• M15: 26,343,587 km (0.047 R)
• M16: 27,717,643 km (0.079 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 17,787 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit