🌌 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: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623

Radius: 13.1

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.54 AU - 0.68 AU

Year: 318 Days

Day: 7.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,537,784 km

• M1: 162,912 km (0.104 R)
• M2: 666,309 km (0.084 R)
• M3: 1,576,462 km (0.077 R)
• M4: 2,044,405 km (0.097 R)
• M5: 2,827,549 km (0.037 R)
• M6: 3,300,279 km (0.066 R)
• M7: 3,755,655 km (0.1 R)
• M8: 4,368,258 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706

Radius: 12

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.91 AU - 1.09 AU

Year: 667 Days

Day: 15 Hours

Environment

Temp: -178 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,537,784 km

• M1: 149,299 km (0.073 R)
• M2: 577,897 km (0.088 R)
• M3: 1,266,944 km (0.046 R)
• M4: 1,713,344 km (0.11 R)
• M5: 2,395,361 km (0.119 R)
• M6: 3,041,175 km (0.094 R)
• M7: 3,418,910 km (0.117 R)
• M8: 4,045,276 km (0.042 R)
• M9: 5,638,493 km (0.113 R)
• M10: 6,312,731 km (0.082 R)
• M11: 6,721,582 km (0.066 R)
• M12: 7,480,043 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907

Radius: 11.7

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.85 AU - 1.41 AU

Year: 801 Days

Day: 8.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 80.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,537,784 km

• M1: 148,551 km (0.09 R)
• M2: 517,609 km (0.116 R)
• M3: 916,885 km (0.116 R)
• M4: 1,431,203 km (0.091 R)
• M5: 1,948,662 km (0.07 R)
• M6: 2,659,551 km (0.053 R)
• M7: 3,832,548 km (0.117 R)
• M8: 4,630,503 km (0.1 R)
• M9: 5,399,885 km (0.073 R)
• M10: 6,252,742 km (0.114 R)
• M11: 6,711,559 km (0.11 R)
• M12: 7,895,626 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.8

Radius: 13.8

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.18 AU - 1.42 AU

Year: 988 Days

Day: 5.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,537,784 km

• M1: 172,636 km (0.086 R)
• M2: 888,163 km (0.108 R)
• M3: 1,937,592 km (0.078 R)
• M4: 2,718,642 km (0.086 R)
• M5: 3,460,199 km (0.117 R)
• M6: 4,554,806 km (0.044 R)
• M7: 5,365,776 km (0.088 R)
• M8: 5,958,483 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.8

Radius: 12.5

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.46 AU - 1.86 AU

Year: 1426 Days

Day: 14.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,537,784 km

• M1: 155,582 km (0.076 R)
• M2: 2,307,248 km (0.112 R)
• M3: 3,628,646 km (0.082 R)
• M4: 4,208,338 km (0.039 R)
• M5: 4,692,736 km (0.096 R)
• M6: 5,214,234 km (0.105 R)
• M7: 6,445,873 km (0.067 R)
• M8: 8,748,035 km (0.117 R)
• M9: 9,169,153 km (0.113 R)
• M10: 9,922,528 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.8

Radius: 12.8

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.08 AU - 3.1 AU

Year: 2780 Days

Day: 9.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,537,784 km

• M1: 159,322 km (0.098 R)
• M2: 592,856 km (0.097 R)
• M3: 1,068,428 km (0.052 R)
• M4: 1,781,411 km (0.118 R)
• M5: 2,395,660 km (0.101 R)
• M6: 3,291,153 km (0.109 R)
• M7: 3,707,484 km (0.096 R)
• M8: 4,116,485 km (0.1 R)
• M9: 4,858,041 km (0.053 R)
• M10: 5,375,201 km (0.074 R)
• M11: 6,066,194 km (0.066 R)
• M12: 7,723,738 km (0.105 R)
• M13: 8,997,414 km (0.104 R)
• M14: 10,050,883 km (0.076 R)
• M15: 10,976,445 km (0.066 R)
• M16: 11,481,487 km (0.045 R)
• M17: 13,090,262 km (0.07 R)
• M18: 14,144,628 km (0.051 R)
• M19: 15,254,944 km (0.112 R)
• M20: 16,205,937 km (0.104 R)
• M21: 17,195,976 km (0.093 R)
• M22: 20,345,759 km (0.086 R)
• M23: 20,852,447 km (0.081 R)
• M24: 21,302,737 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.2

Radius: 8.2

Gravity: 13.24 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.99 AU - 4.79 AU

Year: 6134 Days

Day: 6.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,537,784 km

• M1: 103,522 km (0.077 R)
• M2: 835,055 km (0.059 R)
• M3: 1,149,660 km (0.115 R)
• M4: 1,418,786 km (0.087 R)
• M5: 1,948,363 km (0.083 R)
• M6: 2,370,378 km (0.071 R)
• M7: 2,697,549 km (0.117 R)
• M8: 3,159,357 km (0.093 R)
• M9: 3,465,584 km (0.051 R)
• M10: 4,062,031 km (0.115 R)
• M11: 4,398,327 km (0.061 R)
• M12: 5,966,412 km (0.098 R)
• M13: 7,836,535 km (0.095 R)
• M14: 8,734,272 km (0.059 R)
• M15: 9,340,442 km (0.111 R)
• M16: 9,699,178 km (0.063 R)
• M17: 11,632,730 km (0.105 R)
• M18: 15,239,086 km (0.051 R)
• M19: 16,309,459 km (0.07 R)
• M20: 17,768,038 km (0.071 R)
• M21: 21,171,689 km (0.118 R)
• M22: 22,582,846 km (0.078 R)
• M23: 23,148,176 km (0.094 R)
• M24: 23,475,496 km (0.049 R)
• M25: 23,972,161 km (0.065 R)
• M26: 25,417,576 km (0.04 R)
• M27: 25,853,504 km (0.114 R)
• M28: 31,381,445 km (0.085 R)
• M29: 33,629,452 km (0.096 R)
• M30: 34,792,725 km (0.093 R)
• M31: 35,438,539 km (0.04 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.1

Radius: 12.3

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.22 AU - 6 AU

Year: 8861 Days

Day: 5.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,537,784 km

• M1: 153,039 km (0.08 R)
• M2: 622,626 km (0.093 R)
• M3: 1,065,586 km (0.072 R)
• M4: 1,470,248 km (0.082 R)
• M5: 2,180,239 km (0.111 R)
• M6: 3,448,979 km (0.067 R)
• M7: 4,439,167 km (0.072 R)
• M8: 4,930,147 km (0.119 R)
• M9: 5,641,186 km (0.119 R)
• M10: 6,086,838 km (0.045 R)
• M11: 6,799,522 km (0.071 R)
• M12: 8,230,127 km (0.109 R)
• M13: 8,637,931 km (0.084 R)
• M14: 9,717,130 km (0.093 R)
• M15: 17,018,403 km (0.111 R)
• M16: 17,615,149 km (0.107 R)
• M17: 20,142,904 km (0.114 R)
• M18: 25,303,732 km (0.059 R)
• M19: 28,050,050 km (0.053 R)
• M20: 29,447,742 km (0.098 R)
• M21: 30,211,888 km (0.095 R)
• M22: 33,711,581 km (0.086 R)
• M23: 35,077,559 km (0.111 R)
• M24: 36,480,189 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 758

Radius: 4.2

Gravity: 42.97 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.16 AU - 8.46 AU

Year: 14555 Days

Day: 17.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,537,784 km

• M1: 52,210 km (0.07 R)
• M2: 192,084 km (0.039 R)
• M3: 322,683 km (0.047 R)
• M4: 524,041 km (0.113 R)
• M5: 1,022,651 km (0.107 R)
• M6: 1,479,074 km (0.079 R)
• M7: 2,276,880 km (0.068 R)
• M8: 2,971,313 km (0.066 R)
• M9: 5,005,545 km (0.078 R)
• M10: 5,146,017 km (0.04 R)
• M11: 6,615,517 km (0.089 R)
• M12: 6,785,011 km (0.045 R)
• M13: 8,541,440 km (0.058 R)
• M14: 9,959,478 km (0.109 R)
• M15: 11,285,215 km (0.083 R)
• M16: 11,959,003 km (0.093 R)
• M17: 12,724,196 km (0.096 R)
• M18: 18,177,488 km (0.108 R)
• M19: 21,226,442 km (0.062 R)
• M20: 21,968,298 km (0.118 R)
• M21: 22,919,591 km (0.062 R)
• M22: 24,197,007 km (0.079 R)
• M23: 25,211,430 km (0.108 R)
• M24: 28,535,644 km (0.025 R)
• M25: 40,660,701 km (0.056 R)
• M26: 44,903,746 km (0.041 R)
• M27: 46,432,636 km (0.098 R)
• M28: 52,727,116 km (0.045 R)
• M29: 55,292,121 km (0.057 R)
• M30: 57,581,268 km (0.096 R)
• M31: 59,749,689 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.1

Radius: 3.4

Gravity: 39.8 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.32 AU - 8.64 AU

Year: 16467 Days

Day: 21.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 58,537,784 km

• M1: 45,478 km (0.115 R)
• M2: 295,605 km (0.112 R)
• M3: 648,357 km (0.112 R)
• M4: 791,822 km (0.116 R)
• M5: 934,538 km (0.105 R)
• M6: 1,094,308 km (0.054 R)
• M7: 1,340,247 km (0.078 R)
• M8: 1,734,887 km (0.034 R)
• M9: 2,031,838 km (0.07 R)
• M10: 2,771,450 km (0.108 R)
• M11: 3,127,044 km (0.055 R)
• M12: 3,380,463 km (0.07 R)
• M13: 3,870,845 km (0.115 R)
• M14: 4,044,378 km (0.114 R)
• M15: 4,791,171 km (0.051 R)
• M16: 4,991,333 km (0.032 R)
• M17: 5,736,031 km (0.096 R)
• M18: 6,511,397 km (0.084 R)
• M19: 7,756,201 km (0.066 R)
• M20: 8,172,681 km (0.084 R)
• M21: 10,761,622 km (0.11 R)
• M22: 15,593,184 km (0.112 R)
• M23: 16,555,548 km (0.111 R)
• M24: 16,707,090 km (0.119 R)
• M25: 17,322,386 km (0.114 R)
• M26: 17,478,417 km (0.105 R)
• M27: 23,650,077 km (0.114 R)
• M28: 26,956,040 km (0.102 R)
• M29: 31,360,052 km (0.081 R)
• M30: 34,097,394 km (0.095 R)
• M31: 45,147,889 km (0.116 R)
• M32: 45,443,644 km (0.11 R)
• M33: 50,831,112 km (0.072 R)
• M34: 52,119,449 km (0.119 R)
• M35: 52,935,805 km (0.092 R)
• M36: 56,286,049 km (0.116 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 10,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit