🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955

Radius: 9.8

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.55 AU - 0.83 AU

Year: 403 Days

Day: 11.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,577,024 km

• M1: 121,922 km (0.058 R)
• M2: 493,673 km (0.116 R)
• M3: 825,930 km (0.046 R)
• M4: 1,223,112 km (0.097 R)
• M5: 1,599,800 km (0.083 R)
• M6: 1,944,922 km (0.089 R)
• M7: 2,349,285 km (0.094 R)
• M8: 2,694,258 km (0.11 R)
• M9: 3,095,629 km (0.084 R)
• M10: 3,612,340 km (0.106 R)
• M11: 4,088,360 km (0.117 R)
• M12: 4,680,917 km (0.099 R)
• M13: 5,085,729 km (0.117 R)
• M14: 5,463,165 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.3

Radius: 10.7

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.84 AU - 3.54 AU

Year: 4005 Days

Day: 12.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,577,024 km

• M1: 134,189 km (0.118 R)
• M2: 1,300,155 km (0.051 R)
• M3: 1,640,939 km (0.078 R)
• M4: 2,138,651 km (0.062 R)
• M5: 2,509,055 km (0.086 R)
• M6: 3,192,419 km (0.061 R)
• M7: 4,171,537 km (0.114 R)
• M8: 5,157,237 km (0.081 R)
• M9: 6,622,249 km (0.084 R)
• M10: 7,890,839 km (0.068 R)
• M11: 9,825,289 km (0.102 R)
• M12: 13,687,906 km (0.082 R)
• M13: 16,402,210 km (0.114 R)
• M14: 24,019,733 km (0.114 R)
• M15: 24,682,601 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.9

Radius: 11.1

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.73 AU - 4.31 AU

Year: 5666 Days

Day: 14.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,577,024 km

• M1: 138,079 km (0.097 R)
• M2: 773,720 km (0.061 R)
• M3: 1,672,055 km (0.113 R)
• M4: 2,091,827 km (0.101 R)
• M5: 2,778,631 km (0.082 R)
• M6: 3,334,985 km (0.097 R)
• M7: 4,007,877 km (0.054 R)
• M8: 4,793,565 km (0.078 R)
• M9: 5,197,479 km (0.055 R)
• M10: 6,825,104 km (0.066 R)
• M11: 7,807,064 km (0.037 R)
• M12: 8,512,418 km (0.1 R)
• M13: 11,901,558 km (0.098 R)
• M14: 13,321,242 km (0.058 R)
• M15: 14,850,730 km (0.077 R)
• M16: 15,878,168 km (0.119 R)
• M17: 16,324,568 km (0.11 R)
• M18: 17,893,701 km (0.026 R)
• M19: 18,684,176 km (0.08 R)
• M20: 21,329,814 km (0.058 R)
• M21: 23,996,396 km (0.078 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.2

Radius: 7.7

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.69 AU - 7.03 AU

Year: 11274 Days

Day: 18.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 69,577,024 km

• M1: 98,735 km (0.077 R)
• M2: 491,429 km (0.101 R)
• M3: 857,345 km (0.071 R)
• M4: 1,933,104 km (0.095 R)
• M5: 2,292,887 km (0.079 R)
• M6: 3,426,539 km (0.088 R)
• M7: 3,876,679 km (0.1 R)
• M8: 4,253,666 km (0.111 R)
• M9: 4,773,967 km (0.095 R)
• M10: 5,976,285 km (0.044 R)
• M11: 6,297,023 km (0.066 R)
• M12: 6,591,731 km (0.056 R)
• M13: 8,647,206 km (0.119 R)
• M14: 9,967,856 km (0.088 R)
• M15: 10,368,628 km (0.094 R)
• M16: 11,043,016 km (0.117 R)
• M17: 11,472,212 km (0.111 R)
• M18: 12,478,706 km (0.111 R)
• M19: 15,382,999 km (0.11 R)
• M20: 15,716,304 km (0.059 R)
• M21: 18,784,556 km (0.062 R)
• M22: 19,707,425 km (0.106 R)
• M23: 21,977,423 km (0.08 R)
• M24: 25,794,413 km (0.081 R)
• M25: 27,417,999 km (0.052 R)
• M26: 28,704,690 km (0.109 R)
• M27: 29,007,326 km (0.078 R)
• M28: 30,552,074 km (0.048 R)
• M29: 34,938,583 km (0.085 R)
• M30: 35,399,045 km (0.104 R)
• M31: 41,244,731 km (0.027 R)
• M32: 42,408,154 km (0.106 R)
• M33: 43,327,882 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 735.6

Radius: 3.8

Gravity: 50.94 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.87 AU - 7.23 AU

Year: 13158 Days

Day: 21.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 69,577,024 km

• M1: 47,273 km (0.092 R)
• M2: 223,050 km (0.037 R)
• M3: 432,338 km (0.106 R)
• M4: 754,572 km (0.105 R)
• M5: 1,046,886 km (0.109 R)
• M6: 1,513,482 km (0.107 R)
• M7: 1,784,852 km (0.066 R)
• M8: 2,087,638 km (0.118 R)
• M9: 2,241,574 km (0.117 R)
• M10: 2,550,644 km (0.104 R)
• M11: 2,864,201 km (0.03 R)
• M12: 3,006,169 km (0.115 R)
• M13: 3,202,890 km (0.101 R)
• M14: 3,594,687 km (0.114 R)
• M15: 6,560,315 km (0.069 R)
• M16: 6,933,562 km (0.055 R)
• M17: 8,666,953 km (0.103 R)
• M18: 9,686,163 km (0.049 R)
• M19: 11,301,820 km (0.114 R)
• M20: 14,015,226 km (0.034 R)
• M21: 14,563,951 km (0.102 R)
• M22: 16,521,140 km (0.032 R)
• M23: 20,508,372 km (0.12 R)
• M24: 20,683,551 km (0.11 R)
• M25: 26,104,529 km (0.048 R)
• M26: 26,724,912 km (0.108 R)
• M27: 28,535,943 km (0.084 R)
• M28: 31,577,867 km (0.072 R)
• M29: 37,899,873 km (0.097 R)
• M30: 40,455,453 km (0.085 R)
• M31: 41,146,595 km (0.119 R)
• M32: 41,705,044 km (0.093 R)
• M33: 41,845,516 km (0.098 R)
• M34: 41,986,288 km (0.065 R)
• M35: 42,552,366 km (0.053 R)
• M36: 51,342,139 km (0.101 R)
• M37: 51,826,986 km (0.105 R)
• M38: 55,307,380 km (0.12 R)
• M39: 55,987,452 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.6

Radius: 5.4

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.63 AU - 9.27 AU

Year: 14294 Days

Day: 16.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,577,024 km

• M1: 67,469 km (0.071 R)
• M2: 348,114 km (0.027 R)
• M3: 574,157 km (0.075 R)
• M4: 788,979 km (0.106 R)
• M5: 984,803 km (0.071 R)
• M6: 1,309,430 km (0.086 R)
• M7: 2,681,392 km (0.11 R)
• M8: 3,108,045 km (0.08 R)
• M9: 3,554,146 km (0.115 R)
• M10: 3,935,621 km (0.093 R)
• M11: 4,457,418 km (0.11 R)
• M12: 4,750,032 km (0.083 R)
• M13: 4,993,128 km (0.07 R)
• M14: 5,773,131 km (0.1 R)
• M15: 7,612,288 km (0.064 R)
• M16: 7,945,741 km (0.103 R)
• M17: 9,283,595 km (0.119 R)
• M18: 10,154,554 km (0.104 R)
• M19: 11,615,975 km (0.108 R)
• M20: 11,946,437 km (0.027 R)
• M21: 13,451,392 km (0.115 R)
• M22: 14,819,913 km (0.115 R)
• M23: 15,143,344 km (0.051 R)
• M24: 17,113,398 km (0.091 R)
• M25: 19,710,866 km (0.08 R)
• M26: 21,885,570 km (0.107 R)
• M27: 22,305,192 km (0.083 R)
• M28: 22,730,050 km (0.069 R)
• M29: 26,420,330 km (0.048 R)
• M30: 37,529,767 km (0.1 R)
• M31: 37,889,700 km (0.088 R)
• M32: 44,230,555 km (0.031 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.4

Radius: 6.3

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 7.89 AU - 11.27 AU

Year: 20843 Days

Day: 20.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,577,024 km

• M1: 87,216 km (0.063 R)
• M2: 397,781 km (0.102 R)
• M3: 2,088,237 km (0.092 R)
• M4: 6,187,069 km (0.061 R)
• M5: 9,383,227 km (0.06 R)
• M6: 12,864,818 km (0.065 R)
• M7: 17,743,654 km (0.069 R)
• M8: 18,509,745 km (0.079 R)
• M9: 25,290,418 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409.1

Radius: 6.1

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.67 AU - 11.57 AU

Year: 22630 Days

Day: 21.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,577,024 km

• M1: 75,846 km (0.061 R)
• M2: 319,990 km (0.098 R)
• M3: 591,211 km (0.115 R)
• M4: 966,402 km (0.036 R)
• M5: 1,283,400 km (0.093 R)
• M6: 1,601,595 km (0.109 R)
• M7: 1,990,100 km (0.11 R)
• M8: 4,198,614 km (0.069 R)
• M9: 5,563,246 km (0.09 R)
• M10: 6,118,104 km (0.106 R)
• M11: 7,810,206 km (0.047 R)
• M12: 8,868,162 km (0.096 R)
• M13: 10,422,932 km (0.105 R)
• M14: 10,658,998 km (0.083 R)
• M15: 13,082,932 km (0.036 R)
• M16: 14,789,844 km (0.07 R)
• M17: 16,321,427 km (0.079 R)
• M18: 29,046,222 km (0.104 R)
• M19: 33,439,762 km (0.119 R)
• M20: 36,874,978 km (0.119 R)
• M21: 38,396,537 km (0.086 R)
• M22: 49,071,991 km (0.108 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 16,833 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit