🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.66 AU - 0.9 AU

Year: 265 Days

Day: 15.8 Hours

Environment

Temp: 117 °C

Axial Tilt: 1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 69,107,893 km

• M1: 43,533 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.64 AU - 0.92 AU

Year: 265 Days

Day: 24.9 Hours

Environment

Temp: 114 °C

Axial Tilt: 29.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.93 AU - 1.49 AU

Year: 512 Days

Day: 21.4 Hours

Environment

Temp: -34 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.02 AU - 2.98 AU

Year: 1522 Days

Day: 13 Hours

Environment

Temp: -105 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.91 AU - 3.81 AU

Year: 2371 Days

Day: 44.9 Hours

Environment

Temp: -124 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.4

Radius: 9.2

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.24 AU - 5.16 AU

Year: 3314 Days

Day: 13.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,107,893 km

• M1: 114,442 km (0.111 R)
• M2: 732,282 km (0.086 R)
• M3: 1,333,964 km (0.028 R)
• M4: 2,261,321 km (0.108 R)
• M5: 2,870,933 km (0.099 R)
• M6: 3,707,334 km (0.084 R)
• M7: 4,949,894 km (0.111 R)
• M8: 5,255,074 km (0.065 R)
• M9: 6,501,374 km (0.04 R)
• M10: 6,814,931 km (0.098 R)
• M11: 8,946,401 km (0.109 R)
• M12: 9,768,741 km (0.106 R)
• M13: 11,262,625 km (0.098 R)
• M14: 11,754,353 km (0.076 R)
• M15: 12,862,126 km (0.066 R)
• M16: 14,386,977 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.3

Radius: 12.7

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.76 AU - 5.48 AU

Year: 3823 Days

Day: 5.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,107,893 km

• M1: 157,975 km (0.092 R)
• M2: 801,695 km (0.112 R)
• M3: 1,695,542 km (0.082 R)
• M4: 2,922,245 km (0.09 R)
• M5: 3,663,951 km (0.095 R)
• M6: 4,794,612 km (0.053 R)
• M7: 6,504,815 km (0.116 R)
• M8: 8,227,284 km (0.098 R)
• M9: 8,927,103 km (0.064 R)
• M10: 9,867,326 km (0.039 R)
• M11: 11,222,234 km (0.069 R)
• M12: 11,715,458 km (0.091 R)
• M13: 14,508,002 km (0.074 R)
• M14: 15,256,589 km (0.094 R)
• M15: 16,599,529 km (0.062 R)
• M16: 18,203,069 km (0.111 R)
• M17: 19,074,028 km (0.029 R)
• M18: 22,202,269 km (0.047 R)
• M19: 24,668,390 km (0.066 R)
• M20: 25,657,680 km (0.111 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164

Radius: 9.6

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.94 AU - 9.2 AU

Year: 8019 Days

Day: 15 Hours

Environment

Temp: -168 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,107,893 km

• M1: 168,148 km (0.05 R)
• M2: 468,541 km (0.078 R)
• M3: 769,232 km (0.081 R)
• M4: 2,224,221 km (0.058 R)
• M5: 2,740,483 km (0.104 R)
• M6: 3,612,041 km (0.107 R)
• M7: 4,443,655 km (0.098 R)
• M8: 5,809,933 km (0.103 R)
• M9: 7,605,257 km (0.101 R)
• M10: 8,446,595 km (0.066 R)
• M11: 13,708,550 km (0.116 R)
• M12: 17,015,711 km (0.029 R)
• M13: 17,843,585 km (0.105 R)
• M14: 19,515,790 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.6

Radius: 7.2

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 10.85 AU - 15.95 AU

Year: 18885 Days

Day: 20.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,107,893 km

• M1: 97,239 km (0.093 R)
• M2: 422,614 km (0.059 R)
• M3: 1,180,926 km (0.106 R)
• M4: 1,604,587 km (0.082 R)
• M5: 2,923,741 km (0.08 R)
• M6: 3,787,668 km (0.047 R)
• M7: 4,058,889 km (0.087 R)
• M8: 11,200,692 km (0.08 R)
• M9: 16,618,229 km (0.113 R)
• M10: 27,271,243 km (0.12 R)
• M11: 27,831,337 km (0.07 R)
• M12: 33,348,806 km (0.057 R)
• M13: 34,899,538 km (0.085 R)
• M14: 41,289,910 km (0.083 R)
• M15: 43,531,335 km (0.11 R)
• M16: 44,142,442 km (0.094 R)
• M17: 55,426,011 km (0.057 R)
• M18: 62,111,690 km (0.103 R)
• M19: 65,647,435 km (0.112 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 391 - 20,358 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit