🌌 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: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.7

Radius: 12.4

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.54 AU - 0.7 AU

Year: 331 Days

Day: 13.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,635,516 km

• M1: 154,235 km (0.075 R)
• M2: 586,274 km (0.07 R)
• M3: 1,012,628 km (0.06 R)
• M4: 1,480,121 km (0.113 R)
• M5: 1,998,777 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460

Radius: 13.4

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.58 AU - 0.68 AU

Year: 339 Days

Day: 9.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,635,516 km

• M1: 166,652 km (0.105 R)
• M2: 586,573 km (0.071 R)
• M3: 1,113,008 km (0.096 R)
• M4: 1,785,750 km (0.078 R)
• M5: 2,229,158 km (0.045 R)
• M6: 2,746,916 km (0.11 R)
• M7: 3,526,471 km (0.115 R)
• M8: 3,945,494 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.5

Radius: 9

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.73 AU - 1.11 AU

Year: 599 Days

Day: 14.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,635,516 km

• M1: 112,198 km (0.111 R)
• M2: 608,415 km (0.103 R)
• M3: 958,922 km (0.107 R)
• M4: 1,270,385 km (0.103 R)
• M5: 1,576,911 km (0.073 R)
• M6: 2,104,842 km (0.06 R)
• M7: 2,641,300 km (0.104 R)
• M8: 3,044,017 km (0.094 R)
• M9: 3,326,907 km (0.046 R)
• M10: 4,126,208 km (0.118 R)
• M11: 4,639,628 km (0.097 R)
• M12: 5,048,180 km (0.12 R)
• M13: 5,395,546 km (0.042 R)
• M14: 5,847,631 km (0.104 R)
• M15: 6,193,950 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812

Radius: 14.9

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.43 AU - 1.61 AU

Year: 1271 Days

Day: 10.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,635,516 km

• M1: 185,352 km (0.073 R)
• M2: 946,655 km (0.073 R)
• M3: 1,727,556 km (0.11 R)
• M4: 2,334,325 km (0.11 R)
• M5: 2,820,817 km (0.079 R)
• M6: 3,300,727 km (0.081 R)
• M7: 4,141,767 km (0.102 R)
• M8: 4,863,427 km (0.102 R)
• M9: 6,345,942 km (0.091 R)
• M10: 7,077,774 km (0.116 R)
• M11: 7,947,088 km (0.095 R)
• M12: 10,253,288 km (0.059 R)
• M13: 10,783,763 km (0.12 R)
• M14: 11,507,667 km (0.112 R)
• M15: 11,971,869 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.4

Radius: 10.5

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.05 AU - 2.07 AU

Year: 2005 Days

Day: 9.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,635,516 km

• M1: 130,599 km (0.1 R)
• M2: 585,077 km (0.106 R)
• M3: 932,144 km (0.097 R)
• M4: 1,459,776 km (0.033 R)
• M5: 1,947,315 km (0.099 R)
• M6: 2,570,091 km (0.066 R)
• M7: 3,055,537 km (0.097 R)
• M8: 3,529,911 km (0.089 R)
• M9: 5,138,836 km (0.12 R)
• M10: 5,613,959 km (0.116 R)
• M11: 6,462,030 km (0.1 R)
• M12: 7,275,992 km (0.078 R)
• M13: 8,031,311 km (0.037 R)
• M14: 9,107,219 km (0.092 R)
• M15: 9,556,611 km (0.09 R)
• M16: 11,543,570 km (0.118 R)
• M17: 13,927,263 km (0.113 R)
• M18: 14,431,407 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.9

Radius: 11.4

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.76 AU - 3.16 AU

Year: 3454 Days

Day: 13.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,635,516 km

• M1: 141,819 km (0.059 R)
• M2: 910,004 km (0.106 R)
• M3: 2,084,347 km (0.097 R)
• M4: 2,676,904 km (0.113 R)
• M5: 3,311,947 km (0.117 R)
• M6: 3,674,722 km (0.06 R)
• M7: 4,200,110 km (0.062 R)
• M8: 5,286,190 km (0.111 R)
• M9: 6,793,239 km (0.11 R)
• M10: 7,675,867 km (0.095 R)
• M11: 8,442,107 km (0.083 R)
• M12: 9,224,803 km (0.113 R)
• M13: 10,270,492 km (0.03 R)
• M14: 10,710,310 km (0.087 R)
• M15: 11,432,419 km (0.11 R)
• M16: 13,750,288 km (0.074 R)
• M17: 14,420,936 km (0.058 R)
• M18: 15,207,222 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403

Radius: 8.9

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.77 AU - 5.09 AU

Year: 6324 Days

Day: 10.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,635,516 km

• M1: 129,402 km (0.11 R)
• M2: 622,926 km (0.102 R)
• M3: 1,300,305 km (0.071 R)
• M4: 1,846,038 km (0.069 R)
• M5: 2,202,529 km (0.102 R)
• M6: 2,656,409 km (0.112 R)
• M7: 2,943,039 km (0.119 R)
• M8: 3,579,129 km (0.085 R)
• M9: 3,907,496 km (0.111 R)
• M10: 4,675,981 km (0.073 R)
• M11: 5,599,149 km (0.098 R)
• M12: 6,227,311 km (0.115 R)
• M13: 6,769,453 km (0.117 R)
• M14: 7,695,015 km (0.068 R)
• M15: 7,984,786 km (0.1 R)
• M16: 8,780,497 km (0.11 R)
• M17: 9,217,772 km (0.064 R)
• M18: 12,498,304 km (0.081 R)
• M19: 19,658,207 km (0.107 R)
• M20: 20,269,763 km (0.107 R)
• M21: 20,823,874 km (0.11 R)
• M22: 21,459,366 km (0.096 R)
• M23: 28,976,958 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.4

Radius: 12.3

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 4.87 AU - 5.37 AU

Year: 7858 Days

Day: 8.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 106.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,635,516 km

• M1: 163,510 km (0.08 R)
• M2: 656,735 km (0.108 R)
• M3: 1,300,454 km (0.116 R)
• M4: 1,958,236 km (0.055 R)
• M5: 2,357,064 km (0.11 R)
• M6: 2,904,293 km (0.085 R)
• M7: 3,406,493 km (0.106 R)
• M8: 3,826,564 km (0.054 R)
• M9: 4,256,359 km (0.091 R)
• M10: 4,772,022 km (0.058 R)
• M11: 9,122,179 km (0.059 R)
• M12: 9,719,074 km (0.07 R)
• M13: 10,616,662 km (0.106 R)
• M14: 12,217,658 km (0.103 R)
• M15: 12,785,532 km (0.051 R)
• M16: 14,652,962 km (0.1 R)
• M17: 15,893,427 km (0.059 R)
• M18: 17,654,793 km (0.083 R)
• M19: 19,473,155 km (0.072 R)
• M20: 20,752,965 km (0.077 R)
• M21: 21,413,439 km (0.106 R)
• M22: 25,507,933 km (0.072 R)
• M23: 27,474,995 km (0.105 R)
• M24: 30,471,141 km (0.076 R)
• M25: 31,324,747 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.9

Radius: 6.1

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.92 AU - 7.9 AU

Year: 11007 Days

Day: 22.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,635,516 km

• M1: 87,814 km (0.081 R)
• M2: 341,682 km (0.115 R)
• M3: 745,895 km (0.117 R)
• M4: 1,782,309 km (0.104 R)
• M5: 2,171,413 km (0.03 R)
• M6: 2,944,086 km (0.096 R)
• M7: 3,340,969 km (0.1 R)
• M8: 4,591,757 km (0.074 R)
• M9: 5,611,267 km (0.092 R)
• M10: 6,158,346 km (0.102 R)
• M11: 6,673,860 km (0.058 R)
• M12: 7,464,784 km (0.094 R)
• M13: 10,478,284 km (0.083 R)
• M14: 10,795,282 km (0.115 R)
• M15: 11,072,187 km (0.04 R)
• M16: 11,401,153 km (0.096 R)
• M17: 12,276,899 km (0.115 R)
• M18: 12,578,488 km (0.097 R)
• M19: 13,354,303 km (0.058 R)
• M20: 13,997,574 km (0.106 R)
• M21: 26,031,077 km (0.098 R)
• M22: 27,033,532 km (0.105 R)
• M23: 28,672,975 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.2

Radius: 5.5

Gravity: 25.92 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.73 AU - 10.21 AU

Year: 16719 Days

Day: 19.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,635,516 km

• M1: 83,625 km (0.056 R)
• M2: 415,134 km (0.108 R)
• M3: 599,738 km (0.096 R)
• M4: 779,555 km (0.074 R)
• M5: 1,171,052 km (0.064 R)
• M6: 1,584,541 km (0.106 R)
• M7: 2,468,514 km (0.095 R)
• M8: 2,793,291 km (0.092 R)
• M9: 3,910,040 km (0.092 R)
• M10: 4,896,488 km (0.056 R)
• M11: 5,485,455 km (0.049 R)
• M12: 6,244,963 km (0.084 R)
• M13: 6,628,233 km (0.105 R)
• M14: 8,069,309 km (0.043 R)
• M15: 8,942,362 km (0.061 R)
• M16: 9,429,154 km (0.072 R)
• M17: 12,394,782 km (0.106 R)
• M18: 13,205,902 km (0.118 R)
• M19: 13,765,846 km (0.056 R)
• M20: 14,635,160 km (0.119 R)
• M21: 20,356,231 km (0.047 R)
• M22: 22,159,185 km (0.052 R)
• M23: 23,452,458 km (0.106 R)
• M24: 23,963,036 km (0.072 R)
• M25: 24,900,715 km (0.061 R)
• M26: 25,432,087 km (0.089 R)
• M27: 28,896,325 km (0.097 R)
• M28: 29,720,011 km (0.086 R)
• M29: 38,129,056 km (0.096 R)
• M30: 38,410,300 km (0.069 R)
• M31: 39,837,165 km (0.087 R)
• M32: 41,744,538 km (0.114 R)
• M33: 43,252,634 km (0.118 R)
• M34: 44,796,634 km (0.112 R)
• M35: 47,342,789 km (0.049 R)
• M36: 52,895,862 km (0.086 R)
• M37: 62,112,288 km (0.107 R)
• M38: 68,539,611 km (0.087 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 12,225 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit