🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.4

Radius: 12.2

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.57 AU - 0.65 AU

Year: 335 Days

Day: 14.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,594,419 km

• M1: 151,692 km (0.08 R)
• M2: 692,189 km (0.03 R)
• M3: 1,137,393 km (0.079 R)
• M4: 2,296,477 km (0.082 R)
• M5: 3,190,923 km (0.095 R)
• M6: 4,113,343 km (0.093 R)
• M7: 4,678,524 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.8

Radius: 14.6

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.02 AU - 1.48 AU

Year: 982 Days

Day: 12.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,594,419 km

• M1: 181,612 km (0.1 R)
• M2: 677,379 km (0.086 R)
• M3: 1,231,340 km (0.047 R)
• M4: 1,887,476 km (0.058 R)
• M5: 2,472,853 km (0.111 R)
• M6: 3,165,042 km (0.1 R)
• M7: 3,762,985 km (0.06 R)
• M8: 4,264,587 km (0.104 R)
• M9: 5,246,697 km (0.09 R)
• M10: 5,750,093 km (0.065 R)
• M11: 6,374,664 km (0.056 R)
• M12: 6,972,906 km (0.065 R)
• M13: 7,633,680 km (0.08 R)
• M14: 8,661,717 km (0.091 R)
• M15: 9,223,756 km (0.119 R)
• M16: 10,021,113 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.7

Radius: 14.4

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.94 AU - 3.02 AU

Year: 2745 Days

Day: 13.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,594,419 km

• M1: 179,069 km (0.043 R)
• M2: 634,744 km (0.06 R)
• M3: 1,314,516 km (0.081 R)
• M4: 1,766,601 km (0.106 R)
• M5: 2,412,415 km (0.113 R)
• M6: 3,435,515 km (0.119 R)
• M7: 3,894,481 km (0.087 R)
• M8: 6,635,114 km (0.077 R)
• M9: 7,917,318 km (0.102 R)
• M10: 9,006,989 km (0.083 R)
• M11: 11,335,031 km (0.038 R)
• M12: 13,203,807 km (0.082 R)
• M13: 14,297,966 km (0.106 R)
• M14: 15,135,265 km (0.101 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.6

Radius: 7.8

Gravity: 13.6 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.57 AU - 6.43 AU

Year: 10331 Days

Day: 24.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,594,419 km

• M1: 146,008 km (0.06 R)
• M2: 920,476 km (0.091 R)
• M3: 1,168,210 km (0.115 R)
• M4: 1,648,419 km (0.089 R)
• M5: 2,629,183 km (0.101 R)
• M6: 2,976,998 km (0.098 R)
• M7: 3,633,732 km (0.115 R)
• M8: 4,122,768 km (0.046 R)
• M9: 5,366,674 km (0.092 R)
• M10: 8,296,848 km (0.065 R)
• M11: 12,810,514 km (0.114 R)
• M12: 15,068,246 km (0.088 R)
• M13: 15,480,238 km (0.08 R)
• M14: 17,805,887 km (0.082 R)
• M15: 21,716,375 km (0.109 R)
• M16: 22,956,541 km (0.05 R)
• M17: 23,870,734 km (0.078 R)
• M18: 26,659,238 km (0.081 R)
• M19: 28,495,253 km (0.109 R)
• M20: 37,932,934 km (0.078 R)
• M21: 38,695,584 km (0.096 R)
• M22: 44,744,424 km (0.06 R)
• M23: 47,918,592 km (0.05 R)
• M24: 49,560,578 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.9

Radius: 3.5

Gravity: 39.67 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.99 AU - 7.13 AU

Year: 10486 Days

Day: 15.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 58,594,419 km

• M1: 43,982 km (0.1 R)
• M2: 207,642 km (0.079 R)
• M3: 423,212 km (0.112 R)
• M4: 608,265 km (0.116 R)
• M5: 740,509 km (0.077 R)
• M6: 1,198,279 km (0.11 R)
• M7: 1,501,514 km (0.097 R)
• M8: 1,806,843 km (0.048 R)
• M9: 2,032,287 km (0.094 R)
• M10: 2,864,650 km (0.109 R)
• M11: 3,194,064 km (0.113 R)
• M12: 3,427,287 km (0.111 R)
• M13: 3,696,863 km (0.053 R)
• M14: 3,875,782 km (0.071 R)
• M15: 4,678,673 km (0.088 R)
• M16: 7,660,757 km (0.081 R)
• M17: 9,096,448 km (0.065 R)
• M18: 9,328,624 km (0.092 R)
• M19: 10,296,821 km (0.084 R)
• M20: 11,223,580 km (0.076 R)
• M21: 11,490,612 km (0.114 R)
• M22: 11,707,380 km (0.092 R)
• M23: 12,148,843 km (0.049 R)
• M24: 13,419,976 km (0.092 R)
• M25: 14,149,565 km (0.096 R)
• M26: 15,098,016 km (0.044 R)
• M27: 16,427,641 km (0.101 R)
• M28: 17,545,885 km (0.106 R)
• M29: 22,696,839 km (0.056 R)
• M30: 24,258,641 km (0.075 R)
• M31: 26,450,400 km (0.056 R)
• M32: 27,885,342 km (0.12 R)
• M33: 31,644,737 km (0.039 R)
• M34: 36,421,995 km (0.118 R)
• M35: 38,195,179 km (0.113 R)
• M36: 39,042,052 km (0.099 R)
• M37: 42,684,162 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.4

Radius: 6.4

Gravity: 23.72 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.78 AU - 6.94 AU

Year: 12630 Days

Day: 15.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,594,419 km

• M1: 79,586 km (0.081 R)
• M2: 337,044 km (0.095 R)
• M3: 574,755 km (0.077 R)
• M4: 905,666 km (0.039 R)
• M5: 1,171,351 km (0.081 R)
• M6: 1,473,988 km (0.081 R)
• M7: 1,915,750 km (0.082 R)
• M8: 3,835,989 km (0.077 R)
• M9: 4,735,371 km (0.097 R)
• M10: 5,542,900 km (0.083 R)
• M11: 7,655,372 km (0.085 R)
• M12: 9,435,287 km (0.096 R)
• M13: 11,056,629 km (0.052 R)
• M14: 12,088,854 km (0.111 R)
• M15: 13,117,639 km (0.071 R)
• M16: 13,585,731 km (0.119 R)
• M17: 15,201,986 km (0.038 R)
• M18: 15,793,047 km (0.096 R)
• M19: 19,665,238 km (0.099 R)
• M20: 20,903,759 km (0.085 R)
• M21: 21,542,093 km (0.046 R)
• M22: 22,381,936 km (0.062 R)
• M23: 22,762,064 km (0.053 R)
• M24: 27,232,348 km (0.076 R)
• M25: 32,739,644 km (0.088 R)
• M26: 38,808,680 km (0.093 R)
• M27: 40,330,090 km (0.069 R)
• M28: 50,626,911 km (0.117 R)
• M29: 51,942,625 km (0.066 R)
• M30: 56,026,347 km (0.113 R)
• M31: 56,903,140 km (0.114 R)
• M32: 61,983,634 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.8

Radius: 4

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.79 AU - 7.97 AU

Year: 14093 Days

Day: 19.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,594,419 km

• M1: 49,966 km (0.112 R)
• M2: 202,556 km (0.041 R)
• M3: 1,209,948 km (0.043 R)
• M4: 1,518,867 km (0.094 R)
• M5: 1,704,817 km (0.094 R)
• M6: 2,571,139 km (0.111 R)
• M7: 3,099,518 km (0.111 R)
• M8: 10,651,069 km (0.1 R)
• M9: 15,520,181 km (0.075 R)
• M10: 24,525,524 km (0.101 R)
• M11: 24,994,663 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.3

Radius: 4.3

Gravity: 47.88 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.01 AU - 9.59 AU

Year: 15313 Days

Day: 17.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 58,594,419 km

• M1: 53,406 km (0.092 R)
• M2: 209,287 km (0.071 R)
• M3: 412,292 km (0.072 R)
• M4: 1,072,766 km (0.099 R)
• M5: 2,826,053 km (0.067 R)
• M6: 3,154,421 km (0.088 R)
• M7: 3,507,621 km (0.098 R)
• M8: 4,164,954 km (0.114 R)
• M9: 4,325,024 km (0.113 R)
• M10: 4,795,509 km (0.092 R)
• M11: 5,007,340 km (0.085 R)
• M12: 5,374,154 km (0.108 R)
• M13: 7,960,701 km (0.048 R)
• M14: 9,410,753 km (0.098 R)
• M15: 10,372,219 km (0.081 R)
• M16: 11,335,180 km (0.1 R)
• M17: 11,902,306 km (0.098 R)
• M18: 12,620,974 km (0.062 R)
• M19: 13,437,330 km (0.087 R)
• M20: 16,492,268 km (0.084 R)
• M21: 16,732,522 km (0.097 R)
• M22: 19,352,579 km (0.098 R)
• M23: 20,252,859 km (0.114 R)
• M24: 21,180,815 km (0.097 R)
• M25: 22,039,805 km (0.117 R)
• M26: 23,725,175 km (0.07 R)
• M27: 24,031,252 km (0.107 R)
• M28: 24,340,022 km (0.041 R)
• M29: 25,708,544 km (0.115 R)
• M30: 26,905,775 km (0.104 R)
• M31: 27,686,676 km (0.09 R)
• M32: 28,139,659 km (0.047 R)
• M33: 51,257,466 km (0.09 R)
• M34: 52,283,857 km (0.096 R)
• M35: 55,983,862 km (0.118 R)
• M36: 58,545,127 km (0.106 R)
• M37: 61,183,435 km (0.083 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.3

Radius: 4

Gravity: 28.39 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.01 AU - 8.45 AU

Year: 16596 Days

Day: 15.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,594,419 km

• M1: 158,723 km (0.079 R)
• M2: 402,717 km (0.091 R)
• M3: 599,738 km (0.111 R)
• M4: 1,126,921 km (0.102 R)
• M5: 1,334,862 km (0.119 R)
• M6: 1,599,052 km (0.077 R)
• M7: 2,250,700 km (0.115 R)
• M8: 2,581,461 km (0.034 R)
• M9: 3,495,953 km (0.101 R)
• M10: 3,824,769 km (0.055 R)
• M11: 7,455,958 km (0.115 R)
• M12: 12,319,833 km (0.075 R)
• M13: 14,206,113 km (0.1 R)
• M14: 14,549,739 km (0.091 R)
• M15: 19,618,564 km (0.054 R)
• M16: 40,082,505 km (0.098 R)
• M17: 41,321,924 km (0.084 R)
• M18: 44,751,605 km (0.07 R)
• M19: 52,987,715 km (0.096 R)
• M20: 57,373,626 km (0.094 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 11,746 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit