🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.71 AU - 1.03 AU

Year: 298 Days

Day: 42.3 Hours

Environment

Temp: 149 °C

Axial Tilt: 48.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 87,655,208 km

• M1: 44,281 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.79

Radius: 1.26

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.02 AU - 1.16 AU

Year: 418 Days

Day: 42.3 Hours

Environment

Temp: 27 °C

Axial Tilt: 20.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.02 AU - 1.2 AU

Year: 429 Days

Day: 41.8 Hours

Environment

Temp: 1 °C

Axial Tilt: 11.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.16 AU - 1.34 AU

Year: 513 Days

Day: 17 Hours

Environment

Temp: -2 °C

Axial Tilt: 34.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 2.07 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.34 AU - 3.44 AU

Year: 1804 Days

Day: 43.6 Hours

Environment

Temp: -108 °C

Axial Tilt: 170.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.1

Radius: 13.3

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.86 AU - 6.42 AU

Year: 5585 Days

Day: 6.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,655,208 km

• M1: 253,868 km (0.086 R)
• M2: 864,975 km (0.108 R)
• M3: 1,644,978 km (0.116 R)
• M4: 2,399,849 km (0.072 R)
• M5: 2,934,063 km (0.092 R)
• M6: 3,354,732 km (0.049 R)
• M7: 4,446,049 km (0.072 R)
• M8: 5,201,368 km (0.096 R)
• M9: 5,731,094 km (0.058 R)
• M10: 6,167,920 km (0.095 R)
• M11: 7,837,732 km (0.113 R)
• M12: 8,859,485 km (0.092 R)
• M13: 9,488,245 km (0.061 R)
• M14: 10,372,817 km (0.086 R)
• M15: 11,263,224 km (0.079 R)
• M16: 12,460,306 km (0.104 R)
• M17: 18,779,170 km (0.076 R)
• M18: 19,818,128 km (0.088 R)
• M19: 22,086,480 km (0.071 R)
• M20: 23,165,679 km (0.075 R)
• M21: 24,360,667 km (0.061 R)
• M22: 24,850,001 km (0.078 R)
• M23: 26,700,527 km (0.118 R)
• M24: 28,371,386 km (0.096 R)
• M25: 29,461,954 km (0.11 R)
• M26: 31,533,586 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.8

Radius: 9.3

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.7 AU - 7.08 AU

Year: 6639 Days

Day: 9.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 87,655,208 km

• M1: 116,088 km (0.102 R)
• M2: 410,646 km (0.069 R)
• M3: 807,230 km (0.087 R)
• M4: 2,123,392 km (0.077 R)
• M5: 2,560,368 km (0.063 R)
• M6: 3,195,261 km (0.112 R)
• M7: 4,001,743 km (0.096 R)
• M8: 4,315,450 km (0.09 R)
• M9: 5,768,643 km (0.094 R)
• M10: 6,426,276 km (0.092 R)
• M11: 6,790,247 km (0.11 R)
• M12: 7,379,962 km (0.119 R)
• M13: 7,816,339 km (0.059 R)
• M14: 8,193,176 km (0.112 R)
• M15: 9,651,157 km (0.092 R)
• M16: 10,532,288 km (0.073 R)
• M17: 15,112,676 km (0.06 R)
• M18: 15,936,960 km (0.057 R)
• M19: 18,523,508 km (0.113 R)
• M20: 19,604,651 km (0.12 R)
• M21: 22,415,745 km (0.082 R)
• M22: 23,332,032 km (0.104 R)
• M23: 25,814,609 km (0.11 R)
• M24: 26,736,431 km (0.119 R)
• M25: 27,076,915 km (0.119 R)
• M26: 29,361,574 km (0.119 R)
• M27: 29,815,304 km (0.09 R)
• M28: 30,181,520 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.4

Radius: 11.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.28 AU - 7.5 AU

Year: 6639 Days

Day: 12 Hours

Environment

Temp: -161 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,655,208 km

• M1: 146,905 km (0.066 R)
• M2: 609,013 km (0.111 R)
• M3: 1,206,656 km (0.108 R)
• M4: 1,588,729 km (0.11 R)
• M5: 1,964,669 km (0.049 R)
• M6: 2,451,311 km (0.12 R)
• M7: 2,882,751 km (0.057 R)
• M8: 3,364,755 km (0.117 R)
• M9: 3,761,190 km (0.095 R)
• M10: 4,649,203 km (0.088 R)
• M11: 5,315,362 km (0.082 R)
• M12: 5,856,009 km (0.065 R)
• M13: 6,301,511 km (0.094 R)
• M14: 8,042,830 km (0.074 R)
• M15: 8,434,328 km (0.057 R)
• M16: 9,045,585 km (0.101 R)
• M17: 9,906,371 km (0.104 R)
• M18: 18,933,705 km (0.103 R)
• M19: 22,579,555 km (0.036 R)
• M20: 23,999,388 km (0.102 R)
• M21: 24,485,731 km (0.066 R)
• M22: 25,899,131 km (0.085 R)
• M23: 26,410,756 km (0.111 R)
• M24: 28,165,240 km (0.1 R)
• M25: 29,623,670 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.5

Radius: 5

Gravity: 28.66 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 12.49 AU - 20.13 AU

Year: 24180 Days

Day: 18.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,655,208 km

• M1: 64,177 km (0.058 R)
• M2: 492,476 km (0.084 R)
• M3: 1,447,359 km (0.067 R)
• M4: 1,844,392 km (0.112 R)
• M5: 2,132,817 km (0.064 R)
• M6: 3,069,150 km (0.093 R)
• M7: 3,659,014 km (0.059 R)
• M8: 3,948,037 km (0.086 R)
• M9: 4,681,366 km (0.101 R)
• M10: 5,501,611 km (0.116 R)
• M11: 6,833,930 km (0.113 R)
• M12: 7,124,000 km (0.085 R)
• M13: 11,613,283 km (0.109 R)
• M14: 12,955,624 km (0.098 R)
• M15: 19,077,020 km (0.096 R)
• M16: 27,725,871 km (0.053 R)
• M17: 29,467,340 km (0.072 R)
• M18: 33,580,234 km (0.119 R)
• M19: 36,281,373 km (0.103 R)
• M20: 41,151,831 km (0.038 R)
• M21: 43,248,894 km (0.102 R)
• M22: 46,958,323 km (0.081 R)
• M23: 55,582,191 km (0.104 R)
• M24: 55,970,847 km (0.087 R)
• M25: 56,361,297 km (0.117 R)
• M26: 56,557,270 km (0.102 R)
• M27: 62,229,722 km (0.087 R)
• M28: 64,987,709 km (0.076 R)
• M29: 69,838,569 km (0.082 R)
• M30: 75,162,309 km (0.094 R)
• M31: 85,053,570 km (0.061 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 13,233 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit