🌌 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: 432.2

Radius: 14.8

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.52 AU - 0.86 AU

Year: 364 Days

Day: 11.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,952,617 km

• M1: 184,005 km (0.084 R)
• M2: 663,467 km (0.067 R)
• M3: 1,309,729 km (0.081 R)
• M4: 1,912,310 km (0.119 R)
• M5: 2,771,749 km (0.077 R)
• M6: 3,637,173 km (0.11 R)
• M7: 4,288,971 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.6

Radius: 13.4

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.84 AU - 1.14 AU

Year: 626 Days

Day: 8.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,952,617 km

• M1: 166,652 km (0.093 R)
• M2: 790,176 km (0.12 R)
• M3: 1,712,896 km (0.108 R)
• M4: 2,132,518 km (0.104 R)
• M5: 3,163,397 km (0.043 R)
• M6: 3,844,964 km (0.037 R)
• M7: 4,805,832 km (0.099 R)
• M8: 5,537,066 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891

Radius: 11.5

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.66 AU - 3.02 AU

Year: 3043 Days

Day: 5.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,952,617 km

• M1: 143,016 km (0.04 R)
• M2: 551,867 km (0.066 R)
• M3: 1,169,257 km (0.077 R)
• M4: 1,824,645 km (0.07 R)
• M5: 2,287,052 km (0.12 R)
• M6: 2,664,637 km (0.12 R)
• M7: 3,209,473 km (0.049 R)
• M8: 4,015,057 km (0.097 R)
• M9: 4,454,725 km (0.104 R)
• M10: 6,026,401 km (0.063 R)
• M11: 6,456,644 km (0.114 R)
• M12: 6,846,197 km (0.032 R)
• M13: 8,888,657 km (0.116 R)
• M14: 9,447,554 km (0.084 R)
• M15: 9,872,113 km (0.071 R)
• M16: 11,832,144 km (0.094 R)
• M17: 12,601,077 km (0.103 R)
• M18: 13,890,461 km (0.064 R)
• M19: 14,694,999 km (0.115 R)
• M20: 15,056,726 km (0.115 R)
• M21: 16,397,123 km (0.099 R)
• M22: 17,757,118 km (0.099 R)
• M23: 20,443,895 km (0.113 R)
• M24: 21,617,341 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.1

Radius: 15

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.46 AU - 3.96 AU

Year: 3657 Days

Day: 14.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,952,617 km

• M1: 187,147 km (0.096 R)
• M2: 667,057 km (0.07 R)
• M3: 1,281,455 km (0.059 R)
• M4: 1,995,037 km (0.088 R)
• M5: 3,130,335 km (0.076 R)
• M6: 3,681,005 km (0.098 R)
• M7: 4,317,245 km (0.045 R)
• M8: 4,887,811 km (0.086 R)
• M9: 7,787,916 km (0.088 R)
• M10: 11,316,780 km (0.039 R)
• M11: 12,890,400 km (0.105 R)
• M12: 13,614,453 km (0.049 R)
• M13: 14,461,327 km (0.082 R)
• M14: 15,594,232 km (0.058 R)
• M15: 16,208,480 km (0.116 R)
• M16: 16,945,400 km (0.095 R)
• M17: 19,291,094 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.5

Radius: 10.3

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.38 AU - 3.44 AU

Year: 4004 Days

Day: 7.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,952,617 km

• M1: 128,056 km (0.085 R)
• M2: 705,055 km (0.093 R)
• M3: 1,628,074 km (0.076 R)
• M4: 2,088,386 km (0.117 R)
• M5: 2,427,973 km (0.079 R)
• M6: 2,949,771 km (0.07 R)
• M7: 3,471,119 km (0.117 R)
• M8: 4,156,128 km (0.111 R)
• M9: 4,608,961 km (0.06 R)
• M10: 5,118,342 km (0.065 R)
• M11: 5,588,228 km (0.112 R)
• M12: 6,416,552 km (0.079 R)
• M13: 6,787,555 km (0.101 R)
• M14: 7,572,644 km (0.098 R)
• M15: 10,643,739 km (0.079 R)
• M16: 11,205,479 km (0.109 R)
• M17: 15,965,085 km (0.104 R)
• M18: 17,626,220 km (0.1 R)
• M19: 20,116,874 km (0.112 R)

Asteroid Belt

Center: 5.53 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.1

Radius: 4.3

Gravity: 29.21 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.79 AU - 8.51 AU

Year: 13453 Days

Day: 19 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 67,952,617 km

• M1: 84,373 km (0.078 R)
• M2: 224,696 km (0.029 R)
• M3: 389,254 km (0.112 R)
• M4: 651,349 km (0.082 R)
• M5: 865,872 km (0.104 R)
• M6: 1,174,642 km (0.074 R)
• M7: 1,327,980 km (0.087 R)
• M8: 1,553,125 km (0.039 R)
• M9: 2,044,255 km (0.105 R)
• M10: 2,325,499 km (0.111 R)
• M11: 2,527,007 km (0.112 R)
• M12: 2,740,184 km (0.114 R)
• M13: 3,130,036 km (0.036 R)
• M14: 3,608,301 km (0.102 R)
• M15: 5,266,892 km (0.114 R)
• M16: 5,404,373 km (0.093 R)
• M17: 6,090,429 km (0.103 R)
• M18: 6,357,311 km (0.094 R)
• M19: 7,374,427 km (0.116 R)
• M20: 7,899,366 km (0.054 R)
• M21: 9,674,195 km (0.108 R)
• M22: 11,466,976 km (0.029 R)
• M23: 12,411,088 km (0.1 R)
• M24: 17,305,930 km (0.099 R)
• M25: 17,686,956 km (0.104 R)
• M26: 19,105,443 km (0.041 R)
• M27: 20,428,337 km (0.095 R)
• M28: 26,232,286 km (0.034 R)
• M29: 27,346,790 km (0.073 R)
• M30: 31,893,069 km (0.092 R)
• M31: 32,581,070 km (0.118 R)
• M32: 35,676,848 km (0.104 R)
• M33: 37,549,215 km (0.053 R)
• M34: 37,803,681 km (0.031 R)
• M35: 38,963,214 km (0.05 R)
• M36: 41,352,891 km (0.039 R)
• M37: 46,568,321 km (0.09 R)
• M38: 48,953,210 km (0.106 R)
• M39: 53,320,571 km (0.084 R)
• M40: 53,642,056 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.6

Radius: 4.9

Gravity: 40.38 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.15 AU - 8.49 AU

Year: 13904 Days

Day: 22.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,952,617 km

• M1: 60,886 km (0.085 R)
• M2: 225,743 km (0.1 R)
• M3: 378,483 km (0.108 R)
• M4: 542,442 km (0.12 R)
• M5: 813,812 km (0.107 R)
• M6: 1,107,623 km (0.102 R)
• M7: 1,307,485 km (0.047 R)
• M8: 1,547,141 km (0.056 R)
• M9: 1,780,514 km (0.103 R)
• M10: 2,381,598 km (0.086 R)
• M11: 2,859,713 km (0.107 R)
• M12: 3,593,341 km (0.085 R)
• M13: 4,126,807 km (0.095 R)
• M14: 6,205,619 km (0.112 R)
• M15: 6,538,474 km (0.069 R)
• M16: 7,059,823 km (0.085 R)
• M17: 9,210,292 km (0.052 R)
• M18: 11,084,155 km (0.066 R)
• M19: 11,388,736 km (0.09 R)
• M20: 11,698,703 km (0.083 R)
• M21: 14,529,394 km (0.118 R)
• M22: 16,335,938 km (0.111 R)
• M23: 19,231,105 km (0.108 R)
• M24: 19,848,496 km (0.064 R)
• M25: 20,661,560 km (0.117 R)
• M26: 23,632,125 km (0.104 R)
• M27: 29,581,333 km (0.105 R)
• M28: 30,879,992 km (0.117 R)
• M29: 33,844,723 km (0.075 R)
• M30: 35,923,086 km (0.113 R)
• M31: 37,128,845 km (0.118 R)
• M32: 43,715,041 km (0.053 R)
• M33: 44,169,819 km (0.063 R)
• M34: 48,729,412 km (0.116 R)
• M35: 49,545,917 km (0.054 R)
• M36: 54,462,750 km (0.025 R)
• M37: 59,694,786 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799.4

Radius: 5.6

Gravity: 25.49 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.35 AU - 9.95 AU

Year: 16175 Days

Day: 19.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,952,617 km

• M1: 81,232 km (0.115 R)
• M2: 260,300 km (0.081 R)
• M3: 454,927 km (0.046 R)
• M4: 685,757 km (0.118 R)
• M5: 1,054,216 km (0.119 R)
• M6: 1,530,237 km (0.056 R)
• M7: 2,021,366 km (0.078 R)
• M8: 3,942,053 km (0.109 R)
• M9: 4,383,666 km (0.115 R)
• M10: 5,947,114 km (0.101 R)
• M11: 9,894,104 km (0.097 R)
• M12: 10,295,475 km (0.072 R)
• M13: 11,377,367 km (0.081 R)
• M14: 13,977,527 km (0.091 R)
• M15: 15,377,165 km (0.11 R)
• M16: 15,606,349 km (0.068 R)
• M17: 16,466,537 km (0.097 R)
• M18: 17,857,199 km (0.101 R)
• M19: 18,538,019 km (0.087 R)
• M20: 24,102,461 km (0.101 R)
• M21: 37,954,027 km (0.061 R)
• M22: 41,835,493 km (0.11 R)
• M23: 49,374,478 km (0.114 R)
• M24: 49,873,537 km (0.087 R)
• M25: 53,113,228 km (0.095 R)
• M26: 53,988,525 km (0.09 R)
• M27: 55,230,038 km (0.066 R)
• M28: 55,588,175 km (0.069 R)
• M29: 56,490,400 km (0.112 R)
• M30: 60,197,136 km (0.077 R)
• M31: 61,148,578 km (0.111 R)
• M32: 64,260,214 km (0.101 R)
• M33: 65,854,927 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 663.3

Radius: 5.6

Gravity: 21.15 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 7.39 AU - 9.95 AU

Year: 16232 Days

Day: 23.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,952,617 km

• M1: 69,713 km (0.037 R)
• M2: 347,815 km (0.093 R)
• M3: 554,709 km (0.118 R)
• M4: 929,601 km (0.111 R)
• M5: 1,167,312 km (0.063 R)
• M6: 1,584,241 km (0.103 R)
• M7: 1,981,274 km (0.094 R)
• M8: 2,173,657 km (0.12 R)
• M9: 2,420,942 km (0.053 R)
• M10: 4,163,458 km (0.082 R)
• M11: 4,848,018 km (0.094 R)
• M12: 6,273,237 km (0.085 R)
• M13: 9,322,341 km (0.098 R)
• M14: 10,486,811 km (0.095 R)
• M15: 11,745,228 km (0.097 R)
• M16: 13,575,259 km (0.106 R)
• M17: 16,042,876 km (0.051 R)
• M18: 16,507,377 km (0.06 R)
• M19: 23,190,812 km (0.087 R)
• M20: 23,784,565 km (0.087 R)
• M21: 35,357,606 km (0.103 R)
• M22: 37,209,778 km (0.095 R)
• M23: 38,296,756 km (0.086 R)
• M24: 44,504,020 km (0.056 R)
• M25: 49,048,654 km (0.101 R)
• M26: 62,405,500 km (0.08 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673.4

Radius: 6.5

Gravity: 15.94 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 8.29 AU - 9.61 AU

Year: 17024 Days

Day: 17.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,952,617 km

• M1: 89,908 km (0.103 R)
• M2: 380,278 km (0.09 R)
• M3: 640,279 km (0.087 R)
• M4: 1,273,676 km (0.096 R)
• M5: 1,554,920 km (0.114 R)
• M6: 1,950,307 km (0.049 R)
• M7: 2,701,738 km (0.098 R)
• M8: 4,896,937 km (0.104 R)
• M9: 6,817,325 km (0.106 R)
• M10: 8,065,868 km (0.108 R)
• M11: 9,569,177 km (0.106 R)
• M12: 11,189,173 km (0.108 R)
• M13: 12,916,729 km (0.118 R)
• M14: 14,091,222 km (0.041 R)
• M15: 14,962,181 km (0.087 R)
• M16: 15,410,825 km (0.072 R)
• M17: 18,806,248 km (0.115 R)
• M18: 22,184,018 km (0.085 R)
• M19: 23,161,939 km (0.063 R)
• M20: 24,993,915 km (0.119 R)
• M21: 26,701,724 km (0.107 R)
• M22: 29,174,876 km (0.091 R)
• M23: 41,469,128 km (0.081 R)
• M24: 43,704,420 km (0.062 R)
• M25: 44,160,992 km (0.095 R)
• M26: 45,238,546 km (0.075 R)
• M27: 46,649,702 km (0.119 R)
• M28: 46,967,149 km (0.114 R)
• M29: 47,286,092 km (0.11 R)
• M30: 51,395,844 km (0.096 R)
• M31: 52,416,401 km (0.056 R)
• M32: 55,026,884 km (0.087 R)
• M33: 56,634,163 km (0.077 R)
• M34: 61,262,422 km (0.084 R)
• M35: 64,746,557 km (0.076 R)
• M36: 65,737,344 km (0.119 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 13,362 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit