🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.75 AU - 1.25 AU

Year: 355 Days

Day: 44.8 Hours

Environment

Temp: 96 °C

Axial Tilt: 0.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.7 AU - 3.38 AU

Year: 1880 Days

Day: 29.7 Hours

Environment

Temp: -104 °C

Axial Tilt: 33.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 107,329,292 km

• M1: 38,147 km (0.08 R)
• M2: 1,750,445 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.25 AU - 3.63 AU

Year: 2263 Days

Day: 14.3 Hours

Environment

Temp: -107 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 107,329,292 km

• M1: 2,347,789 km (0.099 R)

Asteroid Belt

Center: 5.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.5

Radius: 11.2

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6 AU - 8.5 AU

Year: 6925 Days

Day: 13.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 107,329,292 km

• M1: 143,913 km (0.116 R)
• M2: 554,709 km (0.065 R)
• M3: 922,869 km (0.11 R)
• M4: 1,635,703 km (0.083 R)
• M5: 2,362,450 km (0.063 R)
• M6: 2,734,799 km (0.079 R)
• M7: 5,949,956 km (0.102 R)
• M8: 6,828,993 km (0.066 R)
• M9: 7,235,899 km (0.103 R)
• M10: 10,147,972 km (0.094 R)
• M11: 15,086,796 km (0.113 R)
• M12: 16,160,460 km (0.108 R)
• M13: 16,998,656 km (0.101 R)
• M14: 17,399,579 km (0.09 R)
• M15: 18,640,343 km (0.102 R)
• M16: 19,437,551 km (0.076 R)
• M17: 21,563,336 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 67.3

Radius: 4.7

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 12.4 AU - 14.76 AU

Year: 17754 Days

Day: 20.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 107,329,292 km

• M1: 58,942 km (0.077 R)
• M2: 302,188 km (0.119 R)
• M3: 1,180,028 km (0.103 R)
• M4: 2,322,208 km (0.1 R)
• M5: 2,686,329 km (0.103 R)
• M6: 2,911,025 km (0.06 R)
• M7: 3,168,333 km (0.116 R)
• M8: 3,549,658 km (0.117 R)
• M9: 3,866,806 km (0.104 R)
• M10: 4,377,682 km (0.087 R)
• M11: 5,927,965 km (0.096 R)
• M12: 6,911,571 km (0.117 R)
• M13: 8,584,075 km (0.086 R)
• M14: 9,030,475 km (0.095 R)
• M15: 9,196,679 km (0.084 R)
• M16: 9,925,669 km (0.097 R)
• M17: 10,236,833 km (0.103 R)
• M18: 13,879,242 km (0.066 R)
• M19: 18,434,048 km (0.028 R)
• M20: 19,450,865 km (0.073 R)
• M21: 22,420,233 km (0.084 R)
• M22: 28,608,349 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751

Radius: 5.9

Gravity: 21.57 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 10.61 AU - 17.69 AU

Year: 18883 Days

Day: 23 Hours

Environment

Temp: -175 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 107,329,292 km

• M1: 74,350 km (0.107 R)
• M2: 752,178 km (0.104 R)
• M3: 1,003,203 km (0.111 R)
• M4: 1,711,699 km (0.117 R)
• M5: 3,038,333 km (0.07 R)
• M6: 5,905,226 km (0.04 R)
• M7: 8,520,646 km (0.071 R)
• M8: 10,079,905 km (0.067 R)
• M9: 12,555,600 km (0.088 R)
• M10: 13,250,183 km (0.095 R)
• M11: 15,021,272 km (0.069 R)
• M12: 21,958,574 km (0.075 R)
• M13: 25,070,658 km (0.052 R)
• M14: 25,616,541 km (0.034 R)
• M15: 27,762,822 km (0.097 R)
• M16: 30,148,608 km (0.113 R)
• M17: 32,025,164 km (0.118 R)
• M18: 39,571,928 km (0.1 R)
• M19: 43,206,408 km (0.088 R)
• M20: 43,833,074 km (0.088 R)
• M21: 52,008,149 km (0.099 R)
• M22: 58,622,768 km (0.045 R)
• M23: 64,342,194 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945

Radius: 3.5

Gravity: 77.14 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 15.07 AU - 22.19 AU

Year: 28527 Days

Day: 23.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 107,329,292 km

• M1: 43,533 km (0.119 R)
• M2: 307,424 km (0.068 R)
• M3: 589,416 km (0.118 R)
• M4: 1,331,870 km (0.103 R)
• M5: 2,155,257 km (0.103 R)
• M6: 2,398,652 km (0.067 R)
• M7: 4,076,991 km (0.057 R)
• M8: 4,297,648 km (0.096 R)
• M9: 7,823,071 km (0.1 R)
• M10: 9,885,278 km (0.064 R)
• M11: 10,216,188 km (0.034 R)
• M12: 12,665,554 km (0.071 R)
• M13: 14,955,299 km (0.112 R)
• M14: 15,925,741 km (0.087 R)
• M15: 16,106,455 km (0.109 R)
• M16: 16,750,174 km (0.113 R)
• M17: 20,333,343 km (0.068 R)
• M18: 20,546,220 km (0.081 R)
• M19: 24,395,374 km (0.078 R)
• M20: 25,736,668 km (0.076 R)
• M21: 27,513,891 km (0.092 R)
• M22: 38,118,734 km (0.116 R)
• M23: 48,642,346 km (0.065 R)
• M24: 57,908,438 km (0.117 R)
• M25: 62,055,740 km (0.086 R)
• M26: 101,950,201 km (0.069 R)

Kuiper Belt

Range: 30.9 - 48.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 17,621 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit