🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.1

Radius: 9.4

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.56 AU - 0.9 AU

Year: 416 Days

Day: 10.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,978,422 km

• M1: 116,986 km (0.075 R)
• M2: 424,260 km (0.083 R)
• M3: 757,564 km (0.075 R)
• M4: 1,156,990 km (0.102 R)
• M5: 1,709,305 km (0.07 R)
• M6: 2,169,020 km (0.06 R)
• M7: 2,623,348 km (0.04 R)
• M8: 3,304,467 km (0.089 R)
• M9: 3,627,300 km (0.064 R)
• M10: 4,099,131 km (0.045 R)
• M11: 4,445,151 km (0.091 R)
• M12: 5,120,735 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127

Radius: 13.6

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.92 AU - 1.52 AU

Year: 899 Days

Day: 9 Hours

Environment

Temp: -174 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,978,422 km

• M1: 169,345 km (0.083 R)
• M2: 790,475 km (0.086 R)
• M3: 1,375,403 km (0.116 R)
• M4: 2,136,258 km (0.114 R)
• M5: 2,972,510 km (0.116 R)
• M6: 3,692,823 km (0.111 R)
• M7: 5,019,308 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.3

Radius: 10.3

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.09 AU - 2.19 AU

Year: 2088 Days

Day: 8.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,978,422 km

• M1: 128,056 km (0.116 R)
• M2: 615,894 km (0.079 R)
• M3: 1,065,436 km (0.098 R)
• M4: 1,491,940 km (0.03 R)
• M5: 1,876,556 km (0.059 R)
• M6: 2,550,494 km (0.102 R)
• M7: 3,024,570 km (0.11 R)
• M8: 3,361,015 km (0.1 R)
• M9: 3,816,990 km (0.045 R)
• M10: 5,012,725 km (0.092 R)
• M11: 6,690,914 km (0.095 R)
• M12: 7,812,150 km (0.075 R)
• M13: 8,384,961 km (0.067 R)
• M14: 10,728,262 km (0.103 R)
• M15: 11,679,405 km (0.079 R)
• M16: 13,077,696 km (0.116 R)
• M17: 13,522,750 km (0.067 R)
• M18: 15,014,839 km (0.111 R)
• M19: 15,750,861 km (0.11 R)
• M20: 16,613,891 km (0.112 R)
• M21: 17,561,743 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.4

Radius: 5.7

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.72 AU - 6.84 AU

Year: 9267 Days

Day: 15.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 68.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,978,422 km

• M1: 73,602 km (0.068 R)
• M2: 404,513 km (0.095 R)
• M3: 677,379 km (0.116 R)
• M4: 1,192,445 km (0.049 R)
• M5: 1,964,370 km (0.115 R)
• M6: 3,506,424 km (0.093 R)
• M7: 4,076,841 km (0.095 R)
• M8: 4,339,385 km (0.084 R)
• M9: 5,220,816 km (0.119 R)
• M10: 6,653,365 km (0.079 R)
• M11: 7,524,474 km (0.095 R)
• M12: 12,308,314 km (0.111 R)
• M13: 12,626,659 km (0.099 R)
• M14: 13,566,881 km (0.078 R)
• M15: 14,004,754 km (0.107 R)
• M16: 14,653,859 km (0.074 R)
• M17: 15,691,470 km (0.089 R)
• M18: 17,623,527 km (0.112 R)
• M19: 22,152,752 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.3

Radius: 6

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 9.85 AU - 10.45 AU

Year: 21564 Days

Day: 18.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,978,422 km

• M1: 103,372 km (0.104 R)
• M2: 536,009 km (0.049 R)
• M3: 1,342,790 km (0.062 R)
• M4: 1,644,081 km (0.105 R)
• M5: 1,989,801 km (0.072 R)
• M6: 2,415,108 km (0.088 R)
• M7: 5,498,320 km (0.089 R)
• M8: 7,774,601 km (0.101 R)
• M9: 12,139,867 km (0.066 R)
• M10: 13,494,177 km (0.067 R)
• M11: 16,558,839 km (0.115 R)
• M12: 21,301,989 km (0.091 R)
• M13: 24,403,901 km (0.111 R)
• M14: 24,948,586 km (0.054 R)
• M15: 28,132,478 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606.3

Radius: 6

Gravity: 16.84 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 8.19 AU - 13.21 AU

Year: 23340 Days

Day: 19.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,978,422 km

• M1: 74,649 km (0.113 R)
• M2: 342,280 km (0.104 R)
• M3: 761,453 km (0.094 R)
• M4: 1,137,991 km (0.115 R)
• M5: 1,987,109 km (0.072 R)
• M6: 2,484,821 km (0.104 R)
• M7: 2,725,673 km (0.074 R)
• M8: 2,929,575 km (0.099 R)
• M9: 3,171,026 km (0.057 R)
• M10: 3,573,145 km (0.081 R)
• M11: 4,947,950 km (0.081 R)
• M12: 5,252,531 km (0.071 R)
• M13: 5,449,102 km (0.104 R)
• M14: 6,642,594 km (0.119 R)
• M15: 7,156,014 km (0.106 R)
• M16: 7,496,200 km (0.04 R)
• M17: 9,304,389 km (0.114 R)
• M18: 12,187,589 km (0.088 R)
• M19: 13,608,470 km (0.068 R)
• M20: 14,978,786 km (0.096 R)
• M21: 16,522,187 km (0.086 R)
• M22: 23,866,844 km (0.102 R)
• M23: 31,289,591 km (0.112 R)
• M24: 37,443,300 km (0.116 R)
• M25: 40,572,289 km (0.117 R)
• M26: 49,759,693 km (0.11 R)
• M27: 61,444,184 km (0.093 R)
• M28: 69,220,730 km (0.116 R)
• M29: 73,685,179 km (0.13 R)
• M30: 79,291,359 km (0.116 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 15,963 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit