🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.8

Radius: 10.2

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.63 AU - 1.03 AU

Year: 504 Days

Day: 12.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,046,883 km

• M1: 126,859 km (0.114 R)
• M2: 585,526 km (0.099 R)
• M3: 906,114 km (0.072 R)
• M4: 1,228,797 km (0.079 R)
• M5: 1,596,209 km (0.097 R)
• M6: 2,126,833 km (0.107 R)
• M7: 2,664,039 km (0.065 R)
• M8: 3,060,174 km (0.118 R)
• M9: 3,414,571 km (0.094 R)
• M10: 3,808,612 km (0.103 R)
• M11: 4,408,799 km (0.116 R)
• M12: 5,162,024 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.8

Radius: 13.9

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.69 AU - 0.99 AU

Year: 513 Days

Day: 5.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,046,883 km

• M1: 172,935 km (0.095 R)
• M2: 613,202 km (0.087 R)
• M3: 1,324,689 km (0.12 R)
• M4: 1,793,978 km (0.067 R)
• M5: 2,670,621 km (0.055 R)
• M6: 3,590,349 km (0.093 R)
• M7: 4,025,080 km (0.1 R)
• M8: 4,494,967 km (0.08 R)
• M9: 5,511,485 km (0.041 R)
• M10: 6,226,114 km (0.094 R)
• M11: 7,043,217 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.5

Radius: 13.8

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.82 AU - 1.04 AU

Year: 598 Days

Day: 10.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 86,046,883 km

• M1: 173,384 km (0.114 R)
• M2: 656,286 km (0.064 R)
• M3: 1,095,056 km (0.079 R)
• M4: 1,679,834 km (0.113 R)
• M5: 2,166,177 km (0.106 R)
• M6: 2,643,394 km (0.071 R)
• M7: 4,491,377 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.5

Radius: 13.4

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.11 AU - 1.23 AU

Year: 844 Days

Day: 11.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 86,046,883 km

• M1: 503,397 km (0.109 R)
• M2: 1,145,022 km (0.069 R)
• M3: 2,199,238 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.4

Radius: 12.1

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.76 AU - 2.64 AU

Year: 2176 Days

Day: 11.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,046,883 km

• M1: 150,495 km (0.083 R)
• M2: 717,471 km (0.101 R)
• M3: 1,403,677 km (0.065 R)
• M4: 1,919,191 km (0.066 R)
• M5: 2,611,231 km (0.072 R)
• M6: 5,069,722 km (0.028 R)
• M7: 5,561,301 km (0.111 R)
• M8: 6,202,627 km (0.107 R)
• M9: 11,279,380 km (0.106 R)
• M10: 11,713,064 km (0.081 R)
• M11: 12,422,308 km (0.099 R)
• M12: 12,806,924 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.6

Radius: 11.3

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.18 AU - 5 AU

Year: 5516 Days

Day: 5.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,046,883 km

• M1: 140,921 km (0.039 R)
• M2: 804,388 km (0.102 R)
• M3: 1,246,300 km (0.043 R)
• M4: 2,077,914 km (0.114 R)
• M5: 2,488,411 km (0.071 R)
• M6: 2,972,210 km (0.095 R)
• M7: 3,827,162 km (0.07 R)
• M8: 5,028,134 km (0.099 R)
• M9: 5,597,055 km (0.076 R)
• M10: 6,272,040 km (0.053 R)
• M11: 6,796,381 km (0.047 R)
• M12: 7,784,475 km (0.107 R)
• M13: 10,399,595 km (0.067 R)
• M14: 10,994,845 km (0.096 R)
• M15: 12,354,241 km (0.1 R)
• M16: 13,931,751 km (0.078 R)
• M17: 15,580,618 km (0.06 R)
• M18: 18,923,831 km (0.116 R)
• M19: 19,604,352 km (0.088 R)
• M20: 21,086,418 km (0.106 R)
• M21: 21,743,901 km (0.049 R)
• M22: 24,833,097 km (0.103 R)
• M23: 26,063,390 km (0.081 R)
• M24: 27,766,562 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.4

Radius: 10.7

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.16 AU - 5.38 AU

Year: 8068 Days

Day: 14.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,046,883 km

• M1: 133,591 km (0.049 R)
• M2: 528,230 km (0.106 R)
• M3: 969,245 km (0.06 R)
• M4: 1,327,831 km (0.033 R)
• M5: 1,708,557 km (0.089 R)
• M6: 2,099,457 km (0.114 R)
• M7: 3,294,744 km (0.108 R)
• M8: 4,203,251 km (0.099 R)
• M9: 4,757,511 km (0.055 R)
• M10: 5,330,172 km (0.09 R)
• M11: 6,964,379 km (0.047 R)
• M12: 7,439,053 km (0.086 R)
• M13: 8,867,414 km (0.083 R)
• M14: 10,565,200 km (0.061 R)
• M15: 11,192,913 km (0.041 R)
• M16: 12,311,606 km (0.038 R)
• M17: 13,061,390 km (0.057 R)
• M18: 14,185,020 km (0.1 R)
• M19: 15,250,306 km (0.092 R)
• M20: 16,817,344 km (0.105 R)
• M21: 17,874,851 km (0.115 R)
• M22: 18,214,289 km (0.11 R)
• M23: 19,258,631 km (0.072 R)
• M24: 22,082,291 km (0.068 R)
• M25: 22,473,191 km (0.095 R)
• M26: 25,255,861 km (0.071 R)
• M27: 25,597,692 km (0.112 R)
• M28: 26,203,264 km (0.079 R)
• M29: 26,818,410 km (0.082 R)
• M30: 31,298,867 km (0.051 R)
• M31: 33,202,350 km (0.103 R)
• M32: 35,181,829 km (0.038 R)
• M33: 36,038,426 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.4

Radius: 5.8

Gravity: 29.62 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.3 AU - 7.96 AU

Year: 11384 Days

Day: 22.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,046,883 km

• M1: 72,256 km (0.112 R)
• M2: 465,100 km (0.068 R)
• M3: 996,172 km (0.089 R)
• M4: 1,398,441 km (0.117 R)
• M5: 2,762,923 km (0.082 R)
• M6: 2,947,976 km (0.083 R)
• M7: 3,499,992 km (0.103 R)
• M8: 4,422,562 km (0.091 R)
• M9: 9,488,544 km (0.08 R)
• M10: 10,909,724 km (0.102 R)
• M11: 11,912,179 km (0.1 R)
• M12: 12,156,622 km (0.105 R)
• M13: 12,342,273 km (0.069 R)
• M14: 15,143,493 km (0.091 R)
• M15: 15,867,996 km (0.107 R)
• M16: 21,689,447 km (0.08 R)
• M17: 28,899,765 km (0.083 R)
• M18: 32,323,762 km (0.054 R)
• M19: 34,875,153 km (0.053 R)
• M20: 38,216,122 km (0.025 R)
• M21: 41,764,285 km (0.077 R)
• M22: 47,183,318 km (0.062 R)
• M23: 49,507,471 km (0.114 R)
• M24: 53,881,263 km (0.119 R)
• M25: 57,108,987 km (0.12 R)
• M26: 58,505,782 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.9

Radius: 3.3

Gravity: 82.82 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.88 AU - 12.04 AU

Year: 20961 Days

Day: 24.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 86,046,883 km

• M1: 41,139 km (0.107 R)
• M2: 185,950 km (0.051 R)
• M3: 698,622 km (0.078 R)
• M4: 815,009 km (0.088 R)
• M5: 1,305,840 km (0.118 R)
• M6: 1,417,440 km (0.087 R)
• M7: 1,659,788 km (0.111 R)
• M8: 1,849,329 km (0.106 R)
• M9: 2,095,567 km (0.107 R)
• M10: 2,993,453 km (0.098 R)
• M11: 3,987,232 km (0.113 R)
• M12: 4,797,753 km (0.075 R)
• M13: 7,417,362 km (0.104 R)
• M14: 8,196,019 km (0.106 R)
• M15: 9,671,951 km (0.054 R)
• M16: 12,064,470 km (0.088 R)
• M17: 13,211,138 km (0.072 R)
• M18: 13,359,389 km (0.096 R)
• M19: 16,648,747 km (0.101 R)
• M20: 17,794,816 km (0.061 R)
• M21: 18,157,741 km (0.103 R)
• M22: 19,755,446 km (0.096 R)
• M23: 20,340,972 km (0.117 R)
• M24: 24,992,867 km (0.087 R)
• M25: 25,677,427 km (0.102 R)
• M26: 29,414,831 km (0.115 R)
• M27: 29,921,968 km (0.055 R)
• M28: 31,084,343 km (0.114 R)
• M29: 31,346,738 km (0.097 R)
• M30: 38,094,350 km (0.039 R)
• M31: 42,284,437 km (0.048 R)
• M32: 44,573,284 km (0.084 R)
• M33: 47,809,684 km (0.093 R)
• M34: 50,112,145 km (0.099 R)
• M35: 52,859,360 km (0.104 R)
• M36: 65,066,397 km (0.116 R)
• M37: 65,495,593 km (0.089 R)
• M38: 66,359,671 km (0.04 R)
• M39: 67,012,815 km (0.04 R)
• M40: 72,391,906 km (0.093 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: 530 - 13,004 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit