🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.9

Radius: 11.9

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.85 AU - 1.03 AU

Year: 608 Days

Day: 9.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,383,937 km

• M1: 147,952 km (0.047 R)
• M2: 528,679 km (0.05 R)
• M3: 946,805 km (0.093 R)
• M4: 1,586,934 km (0.097 R)
• M5: 1,957,488 km (0.027 R)
• M6: 2,619,160 km (0.037 R)
• M7: 3,106,699 km (0.104 R)
• M8: 3,894,182 km (0.077 R)
• M9: 4,358,833 km (0.087 R)
• M10: 4,793,565 km (0.104 R)
• M11: 6,254,986 km (0.044 R)
• M12: 7,219,892 km (0.081 R)
• M13: 7,623,507 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.4

Radius: 8.1

Gravity: 12.37 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.17 AU - 1.95 AU

Year: 1299 Days

Day: 11.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,383,937 km

• M1: 100,679 km (0.059 R)
• M2: 360,531 km (0.1 R)
• M3: 658,979 km (0.065 R)
• M4: 914,641 km (0.063 R)
• M5: 1,441,076 km (0.033 R)
• M6: 1,753,437 km (0.111 R)
• M7: 2,144,934 km (0.077 R)
• M8: 2,404,487 km (0.101 R)
• M9: 3,914,378 km (0.05 R)
• M10: 4,378,730 km (0.103 R)
• M11: 5,102,185 km (0.116 R)
• M12: 5,395,995 km (0.082 R)
• M13: 5,857,804 km (0.041 R)
• M14: 6,417,449 km (0.113 R)
• M15: 6,785,161 km (0.057 R)
• M16: 8,141,415 km (0.103 R)
• M17: 8,398,275 km (0.071 R)
• M18: 8,898,381 km (0.117 R)
• M19: 9,701,422 km (0.109 R)
• M20: 10,384,635 km (0.099 R)
• M21: 10,857,664 km (0.077 R)
• M22: 11,774,100 km (0.045 R)
• M23: 12,933,185 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.2

Radius: 12.8

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.66 AU - 1.84 AU

Year: 1544 Days

Day: 7 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,383,937 km

• M1: 161,715 km (0.119 R)
• M2: 615,595 km (0.048 R)
• M3: 1,019,061 km (0.09 R)
• M4: 1,563,597 km (0.108 R)
• M5: 2,397,755 km (0.107 R)
• M6: 2,845,950 km (0.064 R)
• M7: 4,038,095 km (0.111 R)
• M8: 5,106,523 km (0.04 R)
• M9: 6,355,217 km (0.065 R)
• M10: 7,090,939 km (0.116 R)
• M11: 7,658,513 km (0.104 R)
• M12: 8,403,212 km (0.084 R)
• M13: 9,070,568 km (0.09 R)
• M14: 10,753,843 km (0.092 R)
• M15: 11,214,455 km (0.047 R)
• M16: 12,175,322 km (0.113 R)
• M17: 12,636,831 km (0.101 R)
• M18: 13,270,528 km (0.087 R)
• M19: 14,218,530 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.4

Radius: 10.5

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.7 AU - 1.82 AU

Year: 1557 Days

Day: 11.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,383,937 km

• M1: 133,890 km (0.042 R)
• M2: 460,911 km (0.056 R)
• M3: 965,056 km (0.041 R)
• M4: 1,668,016 km (0.082 R)
• M5: 1,995,935 km (0.093 R)
• M6: 3,066,308 km (0.116 R)
• M7: 4,131,145 km (0.087 R)
• M8: 5,498,769 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.9

Radius: 8

Gravity: 15.5 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.29 AU - 3.73 AU

Year: 3482 Days

Day: 14 Hours

Environment

Temp: -213 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,383,937 km

• M1: 101,427 km (0.046 R)
• M2: 372,798 km (0.093 R)
• M3: 903,870 km (0.089 R)
• M4: 1,207,255 km (0.111 R)
• M5: 1,498,522 km (0.083 R)
• M6: 2,181,436 km (0.041 R)
• M7: 2,536,432 km (0.12 R)
• M8: 3,925,149 km (0.086 R)
• M9: 4,871,804 km (0.105 R)
• M10: 5,263,451 km (0.097 R)
• M11: 7,683,496 km (0.028 R)
• M12: 8,922,915 km (0.115 R)
• M13: 9,430,201 km (0.058 R)
• M14: 9,956,785 km (0.087 R)
• M15: 10,248,352 km (0.058 R)
• M16: 10,502,668 km (0.109 R)
• M17: 12,213,320 km (0.06 R)
• M18: 12,595,842 km (0.04 R)
• M19: 12,937,074 km (0.032 R)
• M20: 14,364,238 km (0.052 R)
• M21: 16,120,218 km (0.114 R)
• M22: 16,406,997 km (0.113 R)
• M23: 17,287,680 km (0.062 R)
• M24: 18,761,967 km (0.093 R)
• M25: 19,529,703 km (0.064 R)
• M26: 21,888,562 km (0.07 R)
• M27: 24,657,768 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.6

Radius: 9.6

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4 AU - 4.9 AU

Year: 6260 Days

Day: 8.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 46,383,937 km

• M1: 127,158 km (0.119 R)
• M2: 593,604 km (0.029 R)
• M3: 1,307,934 km (0.114 R)
• M4: 2,381,598 km (0.096 R)
• M5: 3,287,413 km (0.068 R)
• M6: 3,613,387 km (0.088 R)
• M7: 4,433,482 km (0.072 R)
• M8: 6,307,046 km (0.063 R)
• M9: 8,099,378 km (0.054 R)
• M10: 8,414,880 km (0.09 R)
• M11: 9,197,277 km (0.08 R)
• M12: 10,623,394 km (0.1 R)
• M13: 11,735,803 km (0.09 R)
• M14: 13,085,027 km (0.033 R)
• M15: 13,465,155 km (0.114 R)
• M16: 14,419,440 km (0.085 R)
• M17: 15,903,750 km (0.111 R)
• M18: 16,588,160 km (0.065 R)
• M19: 16,905,756 km (0.039 R)
• M20: 20,453,021 km (0.073 R)
• M21: 21,940,323 km (0.103 R)
• M22: 23,498,385 km (0.093 R)
• M23: 24,060,723 km (0.108 R)
• M24: 28,161,500 km (0.108 R)
• M25: 28,613,884 km (0.082 R)
• M26: 28,979,202 km (0.097 R)
• M27: 30,566,585 km (0.035 R)
• M28: 31,044,251 km (0.084 R)
• M29: 32,211,114 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.1

Radius: 3.3

Gravity: 67.87 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.7 AU - 7.66 AU

Year: 12830 Days

Day: 17.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 46,383,937 km

• M1: 44,281 km (0.1 R)
• M2: 165,605 km (0.079 R)
• M3: 301,589 km (0.118 R)
• M4: 426,504 km (0.107 R)
• M5: 633,697 km (0.114 R)
• M6: 737,667 km (0.089 R)
• M7: 2,013,887 km (0.098 R)
• M8: 2,402,392 km (0.114 R)
• M9: 2,702,486 km (0.061 R)
• M10: 3,027,113 km (0.113 R)
• M11: 3,588,853 km (0.071 R)
• M12: 3,951,777 km (0.079 R)
• M13: 4,493,920 km (0.074 R)
• M14: 4,915,188 km (0.111 R)
• M15: 5,083,934 km (0.115 R)
• M16: 5,187,157 km (0.035 R)
• M17: 5,986,907 km (0.084 R)
• M18: 6,496,288 km (0.04 R)
• M19: 6,865,345 km (0.095 R)
• M20: 7,918,066 km (0.069 R)
• M21: 9,797,464 km (0.044 R)
• M22: 9,957,384 km (0.113 R)
• M23: 11,300,324 km (0.05 R)
• M24: 12,950,089 km (0.086 R)
• M25: 13,078,295 km (0.12 R)
• M26: 16,341,473 km (0.041 R)
• M27: 17,487,243 km (0.098 R)
• M28: 17,880,685 km (0.118 R)
• M29: 18,931,461 km (0.067 R)
• M30: 23,261,871 km (0.088 R)
• M31: 23,546,555 km (0.102 R)
• M32: 33,569,164 km (0.098 R)
• M33: 35,288,193 km (0.111 R)
• M34: 37,583,473 km (0.063 R)
• M35: 39,436,093 km (0.107 R)
• M36: 41,071,647 km (0.097 R)
• M37: 41,906,104 km (0.033 R)
• M38: 44,331,833 km (0.037 R)
• M39: 45,504,980 km (0.104 R)
• M40: 53,804,669 km (0.107 R)
• M41: 54,970,934 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.5

Radius: 6.1

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.32 AU - 9.24 AU

Year: 15888 Days

Day: 15.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 46,383,937 km

• M1: 75,996 km (0.104 R)
• M2: 307,124 km (0.077 R)
• M3: 531,072 km (0.097 R)
• M4: 1,054,366 km (0.04 R)
• M5: 1,472,641 km (0.068 R)
• M6: 1,744,162 km (0.076 R)
• M7: 2,031,090 km (0.066 R)
• M8: 2,530,598 km (0.057 R)
• M9: 3,531,856 km (0.088 R)
• M10: 3,853,192 km (0.047 R)
• M11: 4,805,981 km (0.026 R)
• M12: 5,268,687 km (0.09 R)
• M13: 6,595,172 km (0.069 R)
• M14: 6,999,984 km (0.111 R)
• M15: 7,464,186 km (0.04 R)
• M16: 12,547,222 km (0.118 R)
• M17: 13,358,940 km (0.095 R)
• M18: 14,675,252 km (0.118 R)
• M19: 16,366,456 km (0.042 R)
• M20: 22,937,243 km (0.07 R)
• M21: 23,771,401 km (0.098 R)
• M22: 24,243,382 km (0.057 R)
• M23: 24,625,455 km (0.116 R)
• M24: 25,499,855 km (0.104 R)
• M25: 28,246,920 km (0.104 R)
• M26: 30,294,317 km (0.105 R)
• M27: 30,849,175 km (0.1 R)
• M28: 32,670,081 km (0.115 R)
• M29: 35,656,802 km (0.045 R)
• M30: 36,150,924 km (0.094 R)
• M31: 39,474,989 km (0.08 R)
• M32: 40,671,472 km (0.109 R)
• M33: 44,977,946 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 54.3

Radius: 6.9

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 8.65 AU - 8.97 AU

Year: 17438 Days

Day: 21.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 46,383,937 km

• M1: 85,869 km (0.081 R)
• M2: 1,629,420 km (0.115 R)
• M3: 2,467,318 km (0.093 R)
• M4: 3,939,361 km (0.114 R)
• M5: 4,514,116 km (0.115 R)
• M6: 15,660,503 km (0.1 R)
• M7: 20,287,266 km (0.069 R)
• M8: 22,797,668 km (0.102 R)
• M9: 27,401,543 km (0.056 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193.4

Radius: 7.2

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 7.74 AU - 10.2 AU

Year: 17915 Days

Day: 22.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,383,937 km

• M1: 91,404 km (0.115 R)
• M2: 589,266 km (0.074 R)
• M3: 1,073,514 km (0.104 R)
• M4: 4,033,009 km (0.059 R)
• M5: 4,508,132 km (0.036 R)
• M6: 6,524,113 km (0.068 R)
• M7: 8,089,654 km (0.096 R)
• M8: 9,122,179 km (0.096 R)
• M9: 11,016,387 km (0.058 R)
• M10: 20,653,332 km (0.057 R)
• M11: 24,059,975 km (0.119 R)
• M12: 26,179,179 km (0.108 R)
• M13: 26,848,180 km (0.097 R)
• M14: 32,178,652 km (0.108 R)
• M15: 33,501,845 km (0.1 R)
• M16: 42,603,080 km (0.114 R)
• M17: 44,062,856 km (0.092 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 311 - 15,339 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit