🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.94 AU - 1.04 AU

Year: 369 Days

Day: 28.9 Hours

Environment

Temp: 29 °C

Axial Tilt: 34.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.04 AU - 1.18 AU

Year: 438 Days

Day: 25.3 Hours

Environment

Temp: -6 °C

Axial Tilt: 9.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 78,955,590 km

• M1: 317,895 km (0.059 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.04 AU - 1.54 AU

Year: 549 Days

Day: 20.4 Hours

Environment

Temp: -19 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.65 AU - 3.23 AU

Year: 1889 Days

Day: 41.9 Hours

Environment

Temp: -118 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.57 AU - 3.35 AU

Year: 1908 Days

Day: 45.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.33 AU - 3.73 AU

Year: 1976 Days

Day: 41.3 Hours

Environment

Temp: -110 °C

Axial Tilt: 27.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.7

Radius: 8.3

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.78 AU - 6.84 AU

Year: 6660 Days

Day: 6.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,955,590 km

• M1: 104,868 km (0.085 R)
• M2: 401,670 km (0.095 R)
• M3: 663,766 km (0.119 R)
• M4: 1,056,161 km (0.064 R)
• M5: 1,651,860 km (0.101 R)
• M6: 2,040,964 km (0.116 R)
• M7: 2,299,768 km (0.116 R)
• M8: 6,625,690 km (0.115 R)
• M9: 7,052,492 km (0.063 R)
• M10: 7,459,698 km (0.114 R)
• M11: 8,079,931 km (0.041 R)
• M12: 8,443,753 km (0.096 R)
• M13: 9,204,009 km (0.105 R)
• M14: 11,504,824 km (0.093 R)
• M15: 12,652,988 km (0.082 R)
• M16: 14,048,138 km (0.081 R)
• M17: 14,574,722 km (0.071 R)
• M18: 18,566,293 km (0.114 R)
• M19: 20,736,210 km (0.091 R)
• M20: 21,189,790 km (0.084 R)
• M21: 21,649,804 km (0.067 R)
• M22: 22,194,938 km (0.118 R)
• M23: 24,300,080 km (0.084 R)
• M24: 24,888,897 km (0.102 R)
• M25: 27,702,235 km (0.103 R)
• M26: 27,976,447 km (0.092 R)
• M27: 28,997,154 km (0.098 R)
• M28: 33,123,661 km (0.104 R)
• M29: 34,687,557 km (0.096 R)
• M30: 35,973,650 km (0.063 R)
• M31: 36,738,395 km (0.045 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.7

Radius: 13.2

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 9.47 AU - 13.55 AU

Year: 14633 Days

Day: 5 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,955,590 km

• M1: 164,408 km (0.081 R)
• M2: 767,287 km (0.114 R)
• M3: 2,332,530 km (0.068 R)
• M4: 2,921,048 km (0.085 R)
• M5: 3,558,485 km (0.067 R)
• M6: 4,658,478 km (0.107 R)
• M7: 5,400,932 km (0.104 R)
• M8: 6,698,993 km (0.119 R)
• M9: 7,281,078 km (0.098 R)
• M10: 7,729,124 km (0.054 R)
• M11: 11,240,634 km (0.113 R)
• M12: 18,095,807 km (0.077 R)
• M13: 18,997,284 km (0.047 R)
• M14: 22,818,462 km (0.059 R)
• M15: 23,340,559 km (0.116 R)
• M16: 25,509,130 km (0.103 R)
• M17: 30,768,542 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.6

Radius: 7

Gravity: 14.62 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 13.58 AU - 15.4 AU

Year: 20670 Days

Day: 20.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,955,590 km

• M1: 87,066 km (0.106 R)
• M2: 416,181 km (0.064 R)
• M3: 1,349,223 km (0.117 R)
• M4: 1,674,150 km (0.03 R)
• M5: 1,932,057 km (0.098 R)
• M6: 2,769,505 km (0.107 R)
• M7: 3,052,096 km (0.099 R)
• M8: 3,382,258 km (0.075 R)
• M9: 5,522,705 km (0.118 R)
• M10: 6,897,359 km (0.108 R)
• M11: 7,664,049 km (0.091 R)
• M12: 13,716,180 km (0.118 R)
• M13: 16,202,796 km (0.069 R)
• M14: 17,379,533 km (0.106 R)
• M15: 18,343,242 km (0.108 R)
• M16: 21,054,105 km (0.091 R)
• M17: 23,280,720 km (0.104 R)
• M18: 29,158,121 km (0.092 R)
• M19: 30,768,243 km (0.097 R)
• M20: 35,257,974 km (0.11 R)
• M21: 40,619,412 km (0.055 R)
• M22: 46,999,911 km (0.04 R)
• M23: 50,955,129 km (0.054 R)
• M24: 54,385,259 km (0.06 R)
• M25: 59,324,382 km (0.085 R)
• M26: 72,291,077 km (0.073 R)
• M27: 78,012,896 km (0.084 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 19,284 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit