🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.49 AU - 0.79 AU

Year: 184 Days

Day: 18.5 Hours

Environment

Temp: 142 °C

Axial Tilt: 20.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.74 AU - 0.84 AU

Year: 253 Days

Day: 29.4 Hours

Environment

Temp: 168 °C

Axial Tilt: 43.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.77 AU - 0.91 AU

Year: 277 Days

Day: 29.2 Hours

Environment

Temp: 165 °C

Axial Tilt: 25.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,392,202 km

• M1: 40,541 km (0.101 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.98 AU - 1.14 AU

Year: 393 Days

Day: 40.9 Hours

Environment

Temp: 29 °C

Axial Tilt: 38.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.99 AU - 1.19 AU

Year: 410 Days

Day: 37.3 Hours

Environment

Temp: 40 °C

Axial Tilt: 81.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 45,392,202 km

• M1: 70,311 km (0.058 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.69 AU - 1.91 AU

Year: 869 Days

Day: 38.3 Hours

Environment

Temp: -54 °C

Axial Tilt: 78.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.59 AU - 2.27 AU

Year: 965 Days

Day: 13.7 Hours

Environment

Temp: -62 °C

Axial Tilt: 17 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.19 AU - 3.13 AU

Year: 1561 Days

Day: 25.8 Hours

Environment

Temp: -81 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,392,202 km

• M1: 52,658 km (0.115 R)

Asteroid Belt

Center: 4.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.4

Radius: 10.2

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.18 AU - 8.54 AU

Year: 6466 Days

Day: 5.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,392,202 km

• M1: 141,520 km (0.092 R)
• M2: 474,973 km (0.106 R)
• M3: 1,509,592 km (0.12 R)
• M4: 2,195,199 km (0.075 R)
• M5: 3,189,576 km (0.09 R)
• M6: 5,580,449 km (0.108 R)
• M7: 7,008,511 km (0.111 R)
• M8: 9,935,543 km (0.117 R)
• M9: 10,271,390 km (0.113 R)
• M10: 11,506,769 km (0.099 R)
• M11: 12,987,339 km (0.113 R)
• M12: 15,356,969 km (0.05 R)
• M13: 18,437,938 km (0.065 R)
• M14: 19,074,477 km (0.063 R)
• M15: 20,257,048 km (0.095 R)
• M16: 20,866,210 km (0.104 R)
• M17: 21,209,986 km (0.082 R)
• M18: 22,192,695 km (0.117 R)
• M19: 22,622,938 km (0.109 R)
• M20: 23,352,527 km (0.074 R)
• M21: 24,552,302 km (0.113 R)
• M22: 26,830,977 km (0.03 R)
• M23: 27,483,522 km (0.106 R)

Planet 10 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.2

Radius: 12.5

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.83 AU - 9.61 AU

Year: 7720 Days

Day: 12.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,392,202 km

• M1: 177,722 km (0.113 R)
• M2: 643,720 km (0.082 R)
• M3: 1,270,236 km (0.101 R)
• M4: 2,964,581 km (0.091 R)
• M5: 3,365,354 km (0.109 R)
• M6: 4,558,546 km (0.108 R)
• M7: 5,380,287 km (0.091 R)
• M8: 6,516,034 km (0.054 R)
• M9: 6,928,326 km (0.047 R)
• M10: 9,073,260 km (0.108 R)
• M11: 10,322,702 km (0.097 R)
• M12: 10,780,920 km (0.056 R)
• M13: 11,958,555 km (0.062 R)
• M14: 13,339,044 km (0.079 R)
• M15: 17,251,926 km (0.034 R)
• M16: 18,635,556 km (0.075 R)
• M17: 21,705,305 km (0.075 R)
• M18: 26,021,203 km (0.119 R)
• M19: 28,034,641 km (0.108 R)
• M20: 28,728,326 km (0.101 R)
• M21: 29,433,381 km (0.069 R)
• M22: 33,463,847 km (0.058 R)
• M23: 34,696,085 km (0.053 R)
• M24: 36,191,016 km (0.117 R)
• M25: 38,452,487 km (0.102 R)
• M26: 39,185,816 km (0.118 R)
• M27: 39,928,420 km (0.077 R)
• M28: 40,806,709 km (0.113 R)
• M29: 41,441,752 km (0.08 R)
• M30: 44,448,819 km (0.097 R)

Kuiper Belt

Range: 30.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 259 - 13,106 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit