🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.4

Radius: 12.8

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.55 AU - 0.61 AU

Year: 300 Days

Day: 5.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,666,822 km

• M1: 159,322 km (0.112 R)
• M2: 597,943 km (0.091 R)
• M3: 1,024,895 km (0.047 R)
• M4: 1,442,572 km (0.091 R)
• M5: 1,919,640 km (0.109 R)
• M6: 2,476,892 km (0.101 R)
• M7: 2,906,986 km (0.067 R)
• M8: 3,636,275 km (0.074 R)
• M9: 4,098,682 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.9

Radius: 8.2

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.68 AU - 1.08 AU

Year: 560 Days

Day: 10.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,666,822 km

• M1: 102,175 km (0.056 R)
• M2: 412,741 km (0.083 R)
• M3: 751,430 km (0.077 R)
• M4: 1,051,224 km (0.076 R)
• M5: 1,431,502 km (0.061 R)
• M6: 1,716,935 km (0.107 R)
• M7: 2,608,089 km (0.104 R)
• M8: 3,105,053 km (0.1 R)
• M9: 3,382,557 km (0.117 R)
• M10: 3,676,517 km (0.081 R)
• M11: 4,415,381 km (0.055 R)
• M12: 4,812,564 km (0.095 R)
• M13: 5,169,504 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.5

Radius: 12.3

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.94 AU - 1.98 AU

Year: 1861 Days

Day: 6.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,666,822 km

• M1: 200,312 km (0.065 R)
• M2: 641,326 km (0.117 R)
• M3: 2,174,405 km (0.106 R)
• M4: 3,150,681 km (0.093 R)
• M5: 3,570,004 km (0.099 R)
• M6: 4,010,420 km (0.116 R)
• M7: 5,575,662 km (0.05 R)
• M8: 10,584,648 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.9

Radius: 10.3

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.23 AU - 3.47 AU

Year: 4159 Days

Day: 5.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,666,822 km

• M1: 128,654 km (0.096 R)
• M2: 464,053 km (0.073 R)
• M3: 826,079 km (0.046 R)
• M4: 1,433,148 km (0.031 R)
• M5: 1,837,511 km (0.04 R)
• M6: 2,289,895 km (0.061 R)
• M7: 2,864,350 km (0.049 R)
• M8: 3,532,604 km (0.104 R)
• M9: 5,080,792 km (0.05 R)
• M10: 5,427,860 km (0.085 R)
• M11: 5,817,412 km (0.088 R)
• M12: 7,160,652 km (0.108 R)
• M13: 8,876,090 km (0.12 R)
• M14: 9,198,773 km (0.085 R)
• M15: 10,214,094 km (0.035 R)
• M16: 11,810,303 km (0.108 R)
• M17: 13,100,734 km (0.064 R)
• M18: 14,140,589 km (0.04 R)
• M19: 15,439,398 km (0.1 R)
• M20: 15,802,173 km (0.097 R)
• M21: 16,925,204 km (0.105 R)
• M22: 17,590,466 km (0.085 R)
• M23: 18,504,209 km (0.054 R)
• M24: 21,436,028 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442

Radius: 14.7

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.04 AU - 4.14 AU

Year: 5610 Days

Day: 13.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 98.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,666,822 km

• M1: 184,005 km (0.069 R)
• M2: 647,011 km (0.091 R)
• M3: 1,244,654 km (0.119 R)
• M4: 2,301,414 km (0.088 R)
• M5: 3,015,444 km (0.092 R)
• M6: 5,020,056 km (0.041 R)
• M7: 5,672,751 km (0.07 R)
• M8: 7,418,110 km (0.12 R)
• M9: 9,378,440 km (0.073 R)
• M10: 11,027,457 km (0.079 R)
• M11: 12,086,610 km (0.049 R)
• M12: 12,665,704 km (0.097 R)
• M13: 13,723,510 km (0.09 R)
• M14: 14,676,598 km (0.056 R)
• M15: 15,336,175 km (0.115 R)
• M16: 16,362,417 km (0.099 R)
• M17: 17,556,058 km (0.119 R)
• M18: 18,552,230 km (0.087 R)
• M19: 20,049,705 km (0.085 R)
• M20: 20,862,321 km (0.044 R)
• M21: 21,416,132 km (0.09 R)
• M22: 26,448,156 km (0.083 R)
• M23: 27,343,499 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.9

Radius: 8.5

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.71 AU - 4.69 AU

Year: 5838 Days

Day: 9.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,666,822 km

• M1: 105,766 km (0.08 R)
• M2: 564,882 km (0.044 R)
• M3: 1,021,753 km (0.03 R)
• M4: 1,488,648 km (0.029 R)
• M5: 1,796,222 km (0.099 R)
• M6: 2,629,332 km (0.102 R)
• M7: 4,322,630 km (0.057 R)
• M8: 5,034,567 km (0.116 R)
• M9: 6,761,824 km (0.096 R)
• M10: 7,255,347 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.1

Radius: 11.1

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.55 AU - 4.75 AU

Year: 6801 Days

Day: 5.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,666,822 km

• M1: 138,079 km (0.098 R)
• M2: 669,600 km (0.063 R)
• M3: 1,133,503 km (0.084 R)
• M4: 1,881,044 km (0.038 R)
• M5: 2,574,579 km (0.087 R)
• M6: 4,159,868 km (0.062 R)
• M7: 4,960,366 km (0.086 R)
• M8: 5,367,721 km (0.104 R)
• M9: 7,153,172 km (0.092 R)
• M10: 7,560,527 km (0.104 R)
• M11: 8,341,278 km (0.117 R)
• M12: 10,959,241 km (0.117 R)
• M13: 11,401,901 km (0.1 R)
• M14: 14,024,800 km (0.118 R)
• M15: 19,991,960 km (0.074 R)
• M16: 21,635,293 km (0.098 R)
• M17: 22,647,771 km (0.033 R)
• M18: 23,447,821 km (0.088 R)
• M19: 25,961,065 km (0.04 R)
• M20: 27,733,351 km (0.071 R)
• M21: 29,774,315 km (0.103 R)
• M22: 30,251,831 km (0.069 R)
• M23: 33,635,286 km (0.114 R)
• M24: 35,205,316 km (0.034 R)
• M25: 35,739,231 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.1

Radius: 13.2

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.57 AU - 6.29 AU

Year: 8582 Days

Day: 8 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,666,822 km

• M1: 164,258 km (0.053 R)
• M2: 577,747 km (0.071 R)
• M3: 1,365,081 km (0.108 R)
• M4: 1,875,957 km (0.087 R)
• M5: 3,754,009 km (0.1 R)
• M6: 4,662,816 km (0.096 R)
• M7: 6,879,408 km (0.074 R)
• M8: 8,198,263 km (0.078 R)
• M9: 8,917,828 km (0.103 R)
• M10: 9,818,108 km (0.087 R)
• M11: 11,852,340 km (0.107 R)
• M12: 12,552,309 km (0.112 R)
• M13: 14,819,015 km (0.04 R)
• M14: 16,342,670 km (0.114 R)
• M15: 21,381,724 km (0.107 R)
• M16: 23,158,050 km (0.105 R)
• M17: 23,912,322 km (0.11 R)
• M18: 36,265,366 km (0.107 R)
• M19: 37,741,000 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.6

Radius: 5.3

Gravity: 22.02 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 7.61 AU - 7.85 AU

Year: 14577 Days

Day: 23.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,666,822 km

• M1: 68,665 km (0.089 R)
• M2: 239,955 km (0.053 R)
• M3: 424,559 km (0.062 R)
• M4: 973,433 km (0.056 R)
• M5: 1,890,319 km (0.099 R)
• M6: 2,818,723 km (0.114 R)
• M7: 3,203,489 km (0.068 R)
• M8: 3,760,591 km (0.109 R)
• M9: 5,065,384 km (0.114 R)
• M10: 5,415,593 km (0.12 R)
• M11: 5,819,507 km (0.101 R)
• M12: 8,287,722 km (0.103 R)
• M13: 8,973,927 km (0.106 R)
• M14: 10,514,636 km (0.093 R)
• M15: 17,484,102 km (0.101 R)
• M16: 19,867,495 km (0.076 R)
• M17: 20,825,370 km (0.092 R)
• M18: 21,813,763 km (0.034 R)
• M19: 23,498,086 km (0.093 R)
• M20: 24,078,226 km (0.065 R)
• M21: 24,470,173 km (0.068 R)
• M22: 25,066,170 km (0.059 R)
• M23: 26,183,966 km (0.082 R)
• M24: 26,912,208 km (0.087 R)
• M25: 28,409,384 km (0.114 R)
• M26: 30,414,593 km (0.099 R)
• M27: 32,870,991 km (0.114 R)
• M28: 34,332,412 km (0.113 R)
• M29: 35,456,491 km (0.113 R)
• M30: 36,091,384 km (0.06 R)
• M31: 36,734,056 km (0.115 R)
• M32: 37,253,460 km (0.091 R)
• M33: 38,307,078 km (0.092 R)
• M34: 44,459,590 km (0.105 R)
• M35: 56,236,233 km (0.075 R)
• M36: 58,498,901 km (0.035 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.7

Radius: 6.1

Gravity: 16.2 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 9.08 AU - 9.16 AU

Year: 18680 Days

Day: 15.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,666,822 km

• M1: 89,460 km (0.109 R)
• M2: 411,693 km (0.118 R)
• M3: 684,261 km (0.105 R)
• M4: 1,037,910 km (0.12 R)
• M5: 1,298,958 km (0.113 R)
• M6: 2,292,737 km (0.076 R)
• M7: 2,884,097 km (0.077 R)
• M8: 3,377,172 km (0.119 R)
• M9: 7,966,087 km (0.115 R)
• M10: 10,495,039 km (0.119 R)
• M11: 11,908,439 km (0.096 R)
• M12: 15,871,736 km (0.117 R)
• M13: 16,984,445 km (0.072 R)
• M14: 17,978,822 km (0.095 R)
• M15: 20,448,982 km (0.043 R)
• M16: 27,036,823 km (0.033 R)
• M17: 27,821,015 km (0.072 R)
• M18: 30,745,354 km (0.079 R)
• M19: 34,256,716 km (0.071 R)
• M20: 39,010,338 km (0.104 R)
• M21: 40,155,360 km (0.1 R)
• M22: 41,175,617 km (0.109 R)
• M23: 41,766,230 km (0.077 R)
• M24: 42,813,415 km (0.089 R)
• M25: 45,429,283 km (0.084 R)
• M26: 51,487,099 km (0.042 R)
• M27: 53,386,843 km (0.088 R)
• M28: 56,413,806 km (0.104 R)
• M29: 57,142,198 km (0.071 R)
• M30: 57,508,862 km (0.045 R)
• M31: 61,838,075 km (0.116 R)
• M32: 63,002,096 km (0.071 R)
• M33: 64,378,696 km (0.083 R)
• M34: 68,628,173 km (0.107 R)
• M35: 69,250,051 km (0.043 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: 322 - 10,697 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit