🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.5

Radius: 9.5

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.39 AU - 0.63 AU

Year: 247 Days

Day: 11.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,933,619 km

• M1: 118,182 km (0.059 R)
• M2: 458,368 km (0.074 R)
• M3: 853,157 km (0.048 R)
• M4: 1,242,410 km (0.094 R)
• M5: 1,597,855 km (0.104 R)
• M6: 1,939,686 km (0.058 R)
• M7: 2,423,336 km (0.092 R)
• M8: 2,801,819 km (0.051 R)
• M9: 3,454,813 km (0.083 R)
• M10: 4,143,711 km (0.113 R)
• M11: 4,448,891 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.5

Radius: 10.9

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.58 AU - 0.88 AU

Year: 423 Days

Day: 12.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,933,619 km

• M1: 135,536 km (0.099 R)
• M2: 578,196 km (0.118 R)
• M3: 948,301 km (0.088 R)
• M4: 1,389,615 km (0.068 R)
• M5: 1,736,981 km (0.061 R)
• M6: 2,086,142 km (0.057 R)
• M7: 2,519,527 km (0.12 R)
• M8: 3,065,410 km (0.105 R)
• M9: 3,885,505 km (0.092 R)
• M10: 4,246,934 km (0.114 R)
• M11: 4,659,226 km (0.053 R)
• M12: 5,008,088 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.9

Radius: 9.3

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.05 AU - 1.09 AU

Year: 751 Days

Day: 7.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,933,619 km

• M1: 116,088 km (0.093 R)
• M2: 422,165 km (0.072 R)
• M3: 835,803 km (0.108 R)
• M4: 1,348,924 km (0.07 R)
• M5: 1,638,246 km (0.061 R)
• M6: 2,033,633 km (0.103 R)
• M7: 2,418,100 km (0.078 R)
• M8: 2,839,218 km (0.073 R)
• M9: 3,960,304 km (0.096 R)
• M10: 4,499,306 km (0.117 R)
• M11: 4,913,542 km (0.112 R)
• M12: 5,425,915 km (0.119 R)
• M13: 5,934,697 km (0.099 R)
• M14: 6,895,863 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.4

Radius: 13.4

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.96 AU - 1.56 AU

Year: 959 Days

Day: 7.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,933,619 km

• M1: 168,746 km (0.032 R)
• M2: 1,007,841 km (0.073 R)
• M3: 1,768,845 km (0.074 R)
• M4: 2,731,059 km (0.09 R)
• M5: 3,299,082 km (0.063 R)
• M6: 4,314,552 km (0.057 R)
• M7: 5,021,402 km (0.071 R)
• M8: 6,031,637 km (0.096 R)
• M9: 6,770,650 km (0.059 R)
• M10: 7,569,203 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.5

Radius: 13.3

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.99 AU - 1.63 AU

Year: 1017 Days

Day: 10.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,933,619 km

• M1: 166,951 km (0.032 R)
• M2: 804,238 km (0.114 R)
• M3: 1,333,366 km (0.108 R)
• M4: 1,764,806 km (0.114 R)
• M5: 2,211,206 km (0.08 R)
• M6: 3,006,917 km (0.064 R)
• M7: 3,458,852 km (0.056 R)
• M8: 4,230,777 km (0.041 R)
• M9: 6,018,173 km (0.103 R)
• M10: 6,592,778 km (0.119 R)
• M11: 8,142,163 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.2

Radius: 12.2

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.57 AU - 1.79 AU

Year: 1477 Days

Day: 5.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,933,619 km

• M1: 151,692 km (0.097 R)
• M2: 600,037 km (0.073 R)
• M3: 1,052,720 km (0.117 R)
• M4: 1,682,976 km (0.117 R)
• M5: 2,194,152 km (0.092 R)
• M6: 3,221,141 km (0.079 R)
• M7: 4,119,477 km (0.076 R)
• M8: 4,544,933 km (0.08 R)
• M9: 5,098,295 km (0.114 R)
• M10: 5,568,781 km (0.101 R)
• M11: 6,180,636 km (0.109 R)
• M12: 7,057,579 km (0.12 R)
• M13: 8,344,420 km (0.097 R)
• M14: 9,146,863 km (0.053 R)
• M15: 10,031,584 km (0.107 R)
• M16: 11,072,935 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.1

Radius: 9.8

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.03 AU - 2.07 AU

Year: 1991 Days

Day: 11.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,933,619 km

• M1: 121,922 km (0.105 R)
• M2: 457,769 km (0.112 R)
• M3: 970,292 km (0.069 R)
• M4: 1,405,322 km (0.088 R)
• M5: 1,733,091 km (0.032 R)
• M6: 2,100,055 km (0.099 R)
• M7: 2,778,631 km (0.066 R)
• M8: 3,235,353 km (0.113 R)
• M9: 4,180,213 km (0.119 R)
• M10: 4,957,673 km (0.098 R)
• M11: 6,261,419 km (0.059 R)
• M12: 6,770,500 km (0.089 R)
• M13: 7,630,539 km (0.12 R)
• M14: 8,497,309 km (0.075 R)
• M15: 10,025,900 km (0.073 R)
• M16: 11,103,453 km (0.101 R)
• M17: 11,531,752 km (0.118 R)
• M18: 12,968,340 km (0.071 R)
• M19: 13,840,945 km (0.068 R)
• M20: 16,193,521 km (0.109 R)
• M21: 16,897,229 km (0.103 R)
• M22: 17,516,564 km (0.1 R)

Asteroid Belt

Center: 3.17 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.9

Radius: 9.1

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.39 AU - 5.17 AU

Year: 6006 Days

Day: 7.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,933,619 km

• M1: 113,246 km (0.084 R)
• M2: 620,981 km (0.109 R)
• M3: 1,021,155 km (0.11 R)
• M4: 1,334,114 km (0.073 R)
• M5: 1,840,203 km (0.104 R)
• M6: 4,198,913 km (0.098 R)
• M7: 5,708,206 km (0.089 R)
• M8: 6,490,603 km (0.077 R)
• M9: 7,939,159 km (0.092 R)
• M10: 8,758,357 km (0.1 R)
• M11: 9,348,521 km (0.038 R)
• M12: 10,049,237 km (0.118 R)
• M13: 11,052,291 km (0.101 R)
• M14: 14,787,750 km (0.11 R)
• M15: 15,624,450 km (0.111 R)
• M16: 17,392,248 km (0.098 R)
• M17: 18,387,673 km (0.093 R)
• M18: 19,420,646 km (0.092 R)
• M19: 20,220,396 km (0.113 R)
• M20: 21,814,362 km (0.071 R)
• M21: 23,715,302 km (0.104 R)
• M22: 25,962,860 km (0.067 R)
• M23: 27,510,151 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.2

Radius: 14.3

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.77 AU - 5.83 AU

Year: 7133 Days

Day: 6.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,933,619 km

• M1: 192,233 km (0.095 R)
• M2: 778,358 km (0.119 R)
• M3: 1,556,566 km (0.112 R)
• M4: 2,549,746 km (0.104 R)
• M5: 3,438,657 km (0.111 R)
• M6: 4,981,609 km (0.1 R)
• M7: 5,708,356 km (0.079 R)
• M8: 6,177,644 km (0.115 R)
• M9: 7,520,584 km (0.112 R)
• M10: 8,009,171 km (0.119 R)
• M11: 10,825,800 km (0.107 R)
• M12: 11,303,914 km (0.079 R)
• M13: 12,251,467 km (0.091 R)
• M14: 14,022,257 km (0.1 R)
• M15: 16,390,691 km (0.053 R)
• M16: 19,854,330 km (0.118 R)
• M17: 21,085,221 km (0.108 R)
• M18: 25,333,801 km (0.061 R)
• M19: 26,955,292 km (0.107 R)
• M20: 28,014,595 km (0.108 R)
• M21: 29,285,130 km (0.107 R)
• M22: 30,974,838 km (0.114 R)
• M23: 31,649,225 km (0.084 R)
• M24: 32,828,056 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.3

Radius: 7.8

Gravity: 14.91 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 6.26 AU - 7.66 AU

Year: 12454 Days

Day: 17.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 60,933,619 km

• M1: 97,239 km (0.102 R)
• M2: 628,760 km (0.116 R)
• M3: 937,979 km (0.095 R)
• M4: 1,550,283 km (0.112 R)
• M5: 1,840,203 km (0.106 R)
• M6: 3,541,730 km (0.102 R)
• M7: 3,846,311 km (0.109 R)
• M8: 4,767,235 km (0.109 R)
• M9: 5,139,285 km (0.091 R)
• M10: 5,457,929 km (0.073 R)
• M11: 5,903,431 km (0.09 R)
• M12: 6,453,652 km (0.088 R)
• M13: 8,262,290 km (0.114 R)
• M14: 8,800,095 km (0.11 R)
• M15: 9,103,030 km (0.08 R)
• M16: 9,945,117 km (0.104 R)
• M17: 11,783,675 km (0.105 R)
• M18: 12,783,138 km (0.07 R)
• M19: 13,635,846 km (0.092 R)
• M20: 14,596,115 km (0.058 R)
• M21: 18,231,044 km (0.114 R)
• M22: 21,143,265 km (0.095 R)
• M23: 21,687,652 km (0.038 R)
• M24: 22,804,101 km (0.113 R)
• M25: 23,958,548 km (0.061 R)
• M26: 28,196,805 km (0.113 R)
• M27: 28,856,232 km (0.117 R)
• M28: 33,395,481 km (0.107 R)
• M29: 34,631,757 km (0.109 R)
• M30: 36,672,721 km (0.11 R)
• M31: 37,195,117 km (0.119 R)
• M32: 42,123,320 km (0.077 R)
• M33: 49,189,425 km (0.07 R)
• M34: 50,950,192 km (0.1 R)
• M35: 51,600,644 km (0.088 R)
• M36: 52,256,780 km (0.082 R)
• M37: 54,089,653 km (0.062 R)
• M38: 57,006,064 km (0.118 R)
• M39: 57,531,452 km (0.082 R)
• M40: 58,414,079 km (0.116 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 15,237 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit