🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.79 AU - 0.91 AU

Year: 273 Days

Day: 42.6 Hours

Environment

Temp: 185 °C

Axial Tilt: 32.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.69 AU - 1.15 AU

Year: 307 Days

Day: 41.6 Hours

Environment

Temp: 96 °C

Axial Tilt: 28.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.93 AU - 1.07 AU

Year: 348 Days

Day: 16.2 Hours

Environment

Temp: 129 °C

Axial Tilt: 4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.86 AU - 1.34 AU

Year: 402 Days

Day: 36.1 Hours

Environment

Temp: 156 °C

Axial Tilt: 0.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.65 AU - 2.45 AU

Year: 1022 Days

Day: 15.1 Hours

Environment

Temp: -49 °C

Axial Tilt: 91.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.32 AU - 2.88 AU

Year: 1460 Days

Day: 25.1 Hours

Environment

Temp: -80 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.66 AU - 3.02 AU

Year: 1667 Days

Day: 46.6 Hours

Environment

Temp: -81 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 32,098,660 km

• M1: 339,737 km (0.119 R)
• M2: 1,780,963 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.6

Radius: 10.2

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.48 AU - 6.26 AU

Year: 4953 Days

Day: 6.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 32,098,660 km

• M1: 127,607 km (0.045 R)
• M2: 224,247 km (0.118 R)
• M3: 313,108 km (0.119 R)
• M4: 1,056,011 km (0.109 R)
• M5: 1,174,493 km (0.102 R)
• M6: 1,297,762 km (0.071 R)
• M7: 1,382,434 km (0.111 R)
• M8: 1,498,223 km (0.075 R)
• M9: 1,602,343 km (0.116 R)
• M10: 2,398,503 km (0.109 R)
• M11: 2,486,017 km (0.105 R)
• M12: 2,718,493 km (0.104 R)
• M13: 2,939,598 km (0.085 R)
• M14: 3,282,177 km (0.112 R)
• M15: 3,617,576 km (0.103 R)
• M16: 3,820,131 km (0.076 R)
• M17: 3,943,549 km (0.042 R)
• M18: 4,173,033 km (0.028 R)
• M19: 4,364,219 km (0.045 R)
• M20: 4,471,630 km (0.111 R)
• M21: 4,689,295 km (0.087 R)
• M22: 4,777,258 km (0.071 R)
• M23: 4,843,680 km (0.1 R)
• M24: 4,910,401 km (0.04 R)
• M25: 5,547,687 km (0.076 R)
• M26: 6,211,004 km (0.106 R)
• M27: 6,799,522 km (0.115 R)
• M28: 7,050,099 km (0.088 R)
• M29: 7,534,347 km (0.073 R)
• M30: 8,454,823 km (0.074 R)
• M31: 8,643,167 km (0.067 R)
• M32: 8,860,083 km (0.111 R)
• M33: 9,299,452 km (0.115 R)
• M34: 10,028,592 km (0.074 R)
• M35: 10,199,433 km (0.091 R)
• M36: 10,342,598 km (0.053 R)
• M37: 11,392,925 km (0.093 R)
• M38: 11,750,614 km (0.085 R)
• M39: 12,142,111 km (0.077 R)
• M40: 12,233,216 km (0.086 R)
• M41: 12,354,839 km (0.119 R)
• M42: 12,476,911 km (0.069 R)
• M43: 12,568,764 km (0.111 R)
• M44: 12,722,252 km (0.058 R)
• M45: 13,342,634 km (0.098 R)
• M46: 13,782,751 km (0.098 R)
• M47: 13,972,890 km (0.106 R)
• M48: 14,291,683 km (0.044 R)
• M49: 14,419,888 km (0.094 R)
• M50: 15,459,145 km (0.068 R)
• M51: 15,524,968 km (0.11 R)
• M52: 15,888,191 km (0.054 R)
• M53: 16,421,807 km (0.091 R)
• M54: 16,589,656 km (0.086 R)
• M55: 16,995,066 km (0.092 R)
• M56: 17,472,134 km (0.115 R)
• M57: 17,643,573 km (0.115 R)
• M58: 17,712,238 km (0.112 R)
• M59: 18,126,624 km (0.074 R)
• M60: 18,335,014 km (0.098 R)
• M61: 18,439,434 km (0.108 R)
• M62: 18,859,355 km (0.117 R)
• M63: 19,317,723 km (0.111 R)
• M64: 20,066,161 km (0.101 R)
• M65: 20,642,711 km (0.115 R)
• M66: 21,517,709 km (0.056 R)
• M67: 21,775,167 km (0.079 R)
• M68: 22,107,723 km (0.088 R)
• M69: 22,441,925 km (0.114 R)
• M70: 22,852,870 km (0.066 R)
• M71: 23,077,865 km (0.103 R)
• M72: 23,417,003 km (0.118 R)
• M73: 23,568,247 km (0.084 R)
• M74: 23,681,941 km (0.114 R)
• M75: 24,214,659 km (0.104 R)
• M76: 24,482,440 km (0.075 R)
• M77: 24,674,374 km (0.116 R)
• M78: 25,253,168 km (0.107 R)
• M79: 25,524,837 km (0.073 R)
• M80: 25,719,464 km (0.066 R)
• M81: 25,797,405 km (0.04 R)
• M82: 26,306,337 km (0.065 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641

Radius: 14.6

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.95 AU - 6.89 AU

Year: 5665 Days

Day: 12.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 32,098,660 km

• M1: 184,454 km (0.057 R)
• M2: 364,271 km (0.118 R)
• M3: 604,525 km (0.07 R)
• M4: 811,120 km (0.109 R)
• M5: 1,072,168 km (0.093 R)
• M6: 1,817,764 km (0.117 R)
• M7: 1,962,126 km (0.119 R)
• M8: 2,148,076 km (0.101 R)
• M9: 2,438,445 km (0.077 R)
• M10: 2,845,800 km (0.095 R)
• M11: 3,100,865 km (0.119 R)
• M12: 3,430,279 km (0.088 R)
• M13: 4,052,158 km (0.059 R)
• M14: 4,291,514 km (0.04 R)
• M15: 5,610,668 km (0.12 R)
• M16: 5,717,182 km (0.058 R)
• M17: 6,040,612 km (0.077 R)
• M18: 6,314,825 km (0.092 R)
• M19: 6,649,326 km (0.092 R)
• M20: 7,394,024 km (0.096 R)
• M21: 7,511,010 km (0.117 R)
• M22: 7,628,594 km (0.071 R)
• M23: 7,865,557 km (0.071 R)
• M24: 8,256,007 km (0.053 R)
• M25: 8,468,885 km (0.094 R)
• M26: 8,560,738 km (0.108 R)
• M27: 8,652,890 km (0.058 R)
• M28: 8,776,159 km (0.112 R)
• M29: 9,087,173 km (0.059 R)
• M30: 9,401,927 km (0.116 R)
• M31: 11,129,184 km (0.059 R)
• M32: 11,737,898 km (0.102 R)
• M33: 12,218,855 km (0.086 R)
• M34: 12,601,377 km (0.097 R)
• M35: 12,811,711 km (0.105 R)
• M36: 13,164,762 km (0.101 R)
• M37: 13,556,858 km (0.09 R)
• M38: 13,736,525 km (0.119 R)
• M39: 14,499,175 km (0.113 R)
• M40: 15,126,738 km (0.06 R)
• M41: 15,425,036 km (0.104 R)
• M42: 15,575,083 km (0.093 R)
• M43: 16,638,126 km (0.08 R)
• M44: 17,139,727 km (0.057 R)
• M45: 18,554,624 km (0.085 R)
• M46: 18,994,442 km (0.068 R)
• M47: 19,518,782 km (0.081 R)
• M48: 19,884,549 km (0.058 R)
• M49: 20,375,679 km (0.12 R)
• M50: 20,829,409 km (0.088 R)
• M51: 21,789,079 km (0.103 R)
• M52: 21,915,340 km (0.1 R)
• M53: 22,380,290 km (0.091 R)
• M54: 23,148,176 km (0.114 R)
• M55: 23,449,167 km (0.049 R)
• M56: 23,621,653 km (0.107 R)
• M57: 25,193,777 km (0.11 R)
• M58: 25,592,007 km (0.088 R)
• M59: 27,206,018 km (0.042 R)
• M60: 27,614,720 km (0.112 R)
• M61: 28,392,180 km (0.093 R)
• M62: 28,484,183 km (0.116 R)
• M63: 28,806,716 km (0.072 R)
• M64: 29,316,096 km (0.09 R)
• M65: 29,548,571 km (0.088 R)
• M66: 29,641,771 km (0.038 R)
• M67: 30,062,291 km (0.118 R)
• M68: 31,525,806 km (0.099 R)
• M69: 31,811,838 km (0.099 R)
• M70: 31,907,281 km (0.08 R)
• M71: 32,003,024 km (0.032 R)

Kuiper Belt

Range: 31.5 - 52.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 18,604 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit