🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.5

Radius: 10.4

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.4 AU - 0.66 AU

Year: 262 Days

Day: 13.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,777,637 km

• M1: 129,402 km (0.045 R)
• M2: 473,776 km (0.112 R)
• M3: 843,732 km (0.039 R)
• M4: 1,282,951 km (0.088 R)
• M5: 1,713,195 km (0.103 R)
• M6: 2,120,251 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.3

Radius: 14.7

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.51 AU - 1.87 AU

Year: 1490 Days

Day: 9.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,777,637 km

• M1: 184,155 km (0.079 R)
• M2: 682,166 km (0.096 R)
• M3: 1,411,755 km (0.085 R)
• M4: 1,982,321 km (0.108 R)
• M5: 2,490,805 km (0.102 R)
• M6: 2,985,525 km (0.092 R)
• M7: 3,793,204 km (0.108 R)
• M8: 4,257,406 km (0.096 R)
• M9: 5,044,141 km (0.103 R)
• M10: 6,110,175 km (0.094 R)
• M11: 6,730,259 km (0.089 R)
• M12: 8,097,134 km (0.095 R)
• M13: 9,088,669 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.5

Radius: 11.9

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.79 AU - 2.03 AU

Year: 1790 Days

Day: 12.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,777,637 km

• M1: 148,401 km (0.067 R)
• M2: 527,332 km (0.034 R)
• M3: 1,270,834 km (0.108 R)
• M4: 1,893,759 km (0.077 R)
• M5: 3,673,376 km (0.111 R)
• M6: 4,268,326 km (0.102 R)
• M7: 4,674,485 km (0.097 R)
• M8: 5,126,869 km (0.103 R)
• M9: 5,629,966 km (0.064 R)
• M10: 6,399,049 km (0.061 R)
• M11: 6,933,113 km (0.093 R)
• M12: 7,418,259 km (0.085 R)
• M13: 7,817,087 km (0.108 R)
• M14: 8,833,455 km (0.1 R)
• M15: 9,620,789 km (0.061 R)
• M16: 10,257,776 km (0.067 R)
• M17: 11,127,688 km (0.098 R)
• M18: 11,793,997 km (0.099 R)
• M19: 12,486,635 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.8

Radius: 9.4

Gravity: 11.09 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.74 AU - 2.86 AU

Year: 2366 Days

Day: 9.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 145.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,777,637 km

• M1: 116,986 km (0.063 R)
• M2: 699,669 km (0.072 R)
• M3: 1,363,734 km (0.099 R)
• M4: 1,784,553 km (0.075 R)
• M5: 2,169,020 km (0.059 R)
• M6: 3,072,441 km (0.116 R)
• M7: 4,062,929 km (0.106 R)
• M8: 4,643,219 km (0.091 R)
• M9: 4,988,939 km (0.115 R)
• M10: 5,476,628 km (0.026 R)
• M11: 6,547,450 km (0.105 R)
• M12: 7,500,239 km (0.114 R)
• M13: 8,173,878 km (0.098 R)
• M14: 9,205,655 km (0.082 R)
• M15: 9,902,631 km (0.114 R)
• M16: 10,206,464 km (0.099 R)
• M17: 10,993,349 km (0.101 R)
• M18: 12,162,157 km (0.112 R)
• M19: 12,776,705 km (0.095 R)
• M20: 13,597,250 km (0.09 R)
• M21: 14,843,699 km (0.084 R)
• M22: 17,452,387 km (0.057 R)
• M23: 18,064,840 km (0.076 R)
• M24: 19,097,814 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.7

Radius: 14.9

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2 AU - 3.12 AU

Year: 2778 Days

Day: 10.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,777,637 km

• M1: 185,352 km (0.088 R)
• M2: 684,560 km (0.087 R)
• M3: 1,340,397 km (0.118 R)
• M4: 1,832,724 km (0.08 R)
• M5: 2,319,515 km (0.098 R)
• M6: 3,028,908 km (0.089 R)
• M7: 3,701,650 km (0.049 R)
• M8: 4,994,325 km (0.086 R)
• M9: 6,675,655 km (0.103 R)
• M10: 7,219,294 km (0.096 R)
• M11: 8,489,081 km (0.076 R)
• M12: 9,426,461 km (0.089 R)
• M13: 9,903,229 km (0.037 R)
• M14: 12,172,031 km (0.093 R)
• M15: 14,905,483 km (0.068 R)
• M16: 15,601,263 km (0.094 R)
• M17: 16,125,154 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.4

Radius: 11.3

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.03 AU - 3.63 AU

Year: 4122 Days

Day: 12.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,777,637 km

• M1: 140,921 km (0.096 R)
• M2: 527,332 km (0.087 R)
• M3: 1,071,270 km (0.092 R)
• M4: 1,795,623 km (0.089 R)
• M5: 3,310,601 km (0.099 R)
• M6: 5,252,830 km (0.059 R)
• M7: 5,995,135 km (0.095 R)
• M8: 6,995,944 km (0.074 R)
• M9: 9,881,388 km (0.089 R)
• M10: 10,332,127 km (0.077 R)
• M11: 12,134,482 km (0.115 R)
• M12: 13,580,046 km (0.053 R)
• M13: 16,466,387 km (0.089 R)
• M14: 16,984,295 km (0.11 R)
• M15: 17,453,733 km (0.084 R)
• M16: 20,919,617 km (0.098 R)
• M17: 21,391,299 km (0.11 R)
• M18: 23,205,921 km (0.095 R)
• M19: 25,501,051 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.8

Radius: 9.4

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.18 AU - 3.78 AU

Year: 4403 Days

Day: 13.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,777,637 km

• M1: 122,221 km (0.081 R)
• M2: 502,798 km (0.115 R)
• M3: 1,148,463 km (0.092 R)
• M4: 1,847,534 km (0.118 R)
• M5: 2,247,558 km (0.118 R)
• M6: 2,556,628 km (0.1 R)
• M7: 2,911,923 km (0.085 R)
• M8: 5,645,375 km (0.078 R)
• M9: 6,103,444 km (0.097 R)
• M10: 6,586,196 km (0.079 R)
• M11: 7,835,188 km (0.064 R)
• M12: 10,882,048 km (0.098 R)
• M13: 13,205,004 km (0.115 R)
• M14: 16,064,867 km (0.096 R)
• M15: 16,868,805 km (0.107 R)
• M16: 17,340,188 km (0.053 R)
• M17: 20,156,817 km (0.118 R)
• M18: 20,821,780 km (0.077 R)
• M19: 23,996,546 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.4

Radius: 6.3

Gravity: 22.11 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.88 AU - 8.66 AU

Year: 14690 Days

Day: 24 Hours

Environment

Temp: -232 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,777,637 km

• M1: 78,389 km (0.05 R)
• M2: 305,180 km (0.087 R)
• M3: 510,727 km (0.1 R)
• M4: 784,042 km (0.052 R)
• M5: 1,018,911 km (0.054 R)
• M6: 1,232,238 km (0.098 R)
• M7: 1,650,214 km (0.091 R)
• M8: 2,627,088 km (0.089 R)
• M9: 3,059,127 km (0.091 R)
• M10: 3,650,038 km (0.077 R)
• M11: 4,033,458 km (0.107 R)
• M12: 4,575,002 km (0.1 R)
• M13: 4,846,073 km (0.067 R)
• M14: 7,791,356 km (0.065 R)
• M15: 11,564,963 km (0.077 R)
• M16: 14,957,543 km (0.054 R)
• M17: 15,479,939 km (0.118 R)
• M18: 18,959,735 km (0.097 R)
• M19: 20,196,610 km (0.038 R)
• M20: 24,126,696 km (0.119 R)
• M21: 24,432,923 km (0.09 R)
• M22: 29,573,554 km (0.111 R)
• M23: 29,924,212 km (0.041 R)
• M24: 30,159,529 km (0.079 R)
• M25: 32,457,053 km (0.025 R)
• M26: 34,222,757 km (0.114 R)
• M27: 35,129,320 km (0.063 R)
• M28: 37,125,404 km (0.081 R)
• M29: 42,222,054 km (0.105 R)
• M30: 42,815,659 km (0.05 R)
• M31: 47,286,541 km (0.079 R)
• M32: 48,734,798 km (0.091 R)
• M33: 54,298,492 km (0.093 R)
• M34: 56,422,183 km (0.106 R)
• M35: 58,600,628 km (0.086 R)
• M36: 65,669,725 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.7

Radius: 6.8

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 7.37 AU - 12.21 AU

Year: 20776 Days

Day: 22.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,777,637 km

• M1: 85,271 km (0.12 R)
• M2: 311,612 km (0.072 R)
• M3: 569,220 km (0.11 R)
• M4: 939,325 km (0.067 R)
• M5: 1,901,090 km (0.045 R)
• M6: 2,321,759 km (0.085 R)
• M7: 2,687,975 km (0.101 R)
• M8: 3,401,257 km (0.081 R)
• M9: 4,390,548 km (0.097 R)
• M10: 7,681,402 km (0.105 R)
• M11: 8,057,341 km (0.092 R)
• M12: 8,544,282 km (0.077 R)
• M13: 8,845,722 km (0.105 R)
• M14: 10,179,238 km (0.05 R)
• M15: 10,864,695 km (0.083 R)
• M16: 11,099,863 km (0.04 R)
• M17: 24,748,425 km (0.099 R)
• M18: 26,724,762 km (0.091 R)
• M19: 33,034,950 km (0.094 R)
• M20: 35,555,674 km (0.088 R)
• M21: 36,336,126 km (0.049 R)
• M22: 36,995,254 km (0.085 R)
• M23: 37,796,650 km (0.102 R)
• M24: 38,609,565 km (0.114 R)
• M25: 38,883,030 km (0.088 R)
• M26: 48,812,588 km (0.112 R)
• M27: 49,132,429 km (0.086 R)
• M28: 53,249,811 km (0.107 R)
• M29: 55,305,286 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.7

Radius: 7.3

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 8.79 AU - 12.35 AU

Year: 23308 Days

Day: 20.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,777,637 km

• M1: 90,806 km (0.105 R)
• M2: 332,556 km (0.113 R)
• M3: 721,660 km (0.059 R)
• M4: 1,035,965 km (0.086 R)
• M5: 1,602,941 km (0.12 R)
• M6: 2,782,371 km (0.115 R)
• M7: 3,117,320 km (0.084 R)
• M8: 3,806,667 km (0.088 R)
• M9: 4,915,038 km (0.113 R)
• M10: 5,643,280 km (0.048 R)
• M11: 7,360,514 km (0.047 R)
• M12: 7,603,312 km (0.112 R)
• M13: 7,851,495 km (0.042 R)
• M14: 10,951,312 km (0.094 R)
• M15: 14,477,783 km (0.063 R)
• M16: 14,706,219 km (0.109 R)
• M17: 19,516,089 km (0.032 R)
• M18: 20,076,483 km (0.095 R)
• M19: 23,040,166 km (0.095 R)
• M20: 23,351,629 km (0.108 R)
• M21: 24,842,821 km (0.112 R)
• M22: 25,280,245 km (0.066 R)
• M23: 27,081,403 km (0.108 R)
• M24: 30,188,252 km (0.098 R)
• M25: 35,557,469 km (0.115 R)
• M26: 43,081,793 km (0.118 R)
• M27: 44,350,682 km (0.082 R)
• M28: 46,465,697 km (0.116 R)
• M29: 61,178,348 km (0.069 R)
• M30: 61,775,842 km (0.115 R)
• M31: 70,993,465 km (0.055 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 19,086 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit