🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.46 AU - 0.6 AU

Year: 142 Days

Day: 39.2 Hours

Environment

Temp: 232 °C

Axial Tilt: 15.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.68 AU - 0.78 AU

Year: 229 Days

Day: 39 Hours

Environment

Temp: 135 °C

Axial Tilt: 29.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.2 AU - 1.64 AU

Year: 621 Days

Day: 41.2 Hours

Environment

Temp: -26 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.38 AU - 1.62 AU

Year: 674 Days

Day: 25.3 Hours

Environment

Temp: -30 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.61 AU - 1.81 AU

Year: 821 Days

Day: 25.8 Hours

Environment

Temp: -52 °C

Axial Tilt: 12.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.25 AU - 3.11 AU

Year: 1611 Days

Day: 15.2 Hours

Environment

Temp: -87 °C

Axial Tilt: 41.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,625,578 km

• M1: 229,034 km (0.064 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.05 AU - 3.55 AU

Year: 2201 Days

Day: 38.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 98,625,578 km

• M1: 125,064 km (0.105 R)
• M2: 248,931 km (0.029 R)

Asteroid Belt

Center: 9.75 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 16.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.7

Radius: 6.3

Gravity: 11.86 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 12.34 AU - 20.04 AU

Year: 23913 Days

Day: 16.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 98,625,578 km

• M1: 78,389 km (0.099 R)
• M2: 393,742 km (0.077 R)
• M3: 778,059 km (0.078 R)
• M4: 1,122,882 km (0.115 R)
• M5: 2,843,407 km (0.044 R)
• M6: 3,430,429 km (0.102 R)
• M7: 4,191,882 km (0.108 R)
• M8: 5,210,195 km (0.119 R)
• M9: 6,872,377 km (0.081 R)
• M10: 7,774,003 km (0.069 R)
• M11: 9,022,547 km (0.116 R)
• M12: 10,887,733 km (0.103 R)
• M13: 11,649,037 km (0.118 R)
• M14: 12,309,960 km (0.056 R)
• M15: 13,277,110 km (0.097 R)
• M16: 13,851,865 km (0.109 R)
• M17: 14,897,554 km (0.081 R)
• M18: 16,317,986 km (0.085 R)
• M19: 18,261,412 km (0.072 R)
• M20: 18,703,474 km (0.118 R)
• M21: 18,972,152 km (0.05 R)
• M22: 21,214,624 km (0.077 R)
• M23: 25,444,354 km (0.053 R)
• M24: 27,351,577 km (0.042 R)
• M25: 28,516,945 km (0.12 R)
• M26: 31,071,328 km (0.101 R)
• M27: 31,955,601 km (0.088 R)
• M28: 44,703,733 km (0.056 R)
• M29: 46,318,493 km (0.092 R)
• M30: 47,638,096 km (0.102 R)
• M31: 51,746,651 km (0.077 R)
• M32: 52,631,373 km (0.096 R)
• M33: 67,348,363 km (0.057 R)
• M34: 69,040,614 km (0.117 R)
• M35: 72,289,730 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740.6

Radius: 4.4

Gravity: 38.25 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 16.9 AU - 19.4 AU

Year: 28385 Days

Day: 22.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 98,625,578 km

• M1: 55,950 km (0.115 R)
• M2: 443,558 km (0.072 R)
• M3: 668,702 km (0.038 R)
• M4: 1,909,916 km (0.108 R)
• M5: 3,345,607 km (0.103 R)
• M6: 3,894,930 km (0.113 R)
• M7: 5,170,102 km (0.077 R)
• M8: 5,549,333 km (0.061 R)
• M9: 7,099,915 km (0.118 R)
• M10: 9,901,733 km (0.117 R)
• M11: 10,685,626 km (0.114 R)
• M12: 11,300,025 km (0.036 R)
• M13: 15,489,962 km (0.077 R)
• M14: 24,119,814 km (0.076 R)
• M15: 24,819,633 km (0.095 R)
• M16: 28,651,882 km (0.088 R)
• M17: 32,015,590 km (0.041 R)
• M18: 32,860,369 km (0.08 R)
• M19: 35,185,419 km (0.059 R)
• M20: 37,617,881 km (0.107 R)
• M21: 40,160,147 km (0.117 R)
• M22: 43,154,348 km (0.097 R)
• M23: 43,324,890 km (0.034 R)
• M24: 51,475,131 km (0.093 R)
• M25: 58,478,107 km (0.087 R)
• M26: 59,106,268 km (0.072 R)
• M27: 67,227,937 km (0.097 R)
• M28: 82,975,656 km (0.089 R)
• M29: 89,739,723 km (0.078 R)
• M30: 90,017,676 km (0.096 R)
• M31: 96,861,929 km (0.071 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 19,290 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit