🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.3

Radius: 11.3

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.77 AU - 1.05 AU

Year: 561 Days

Day: 10.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,821,491 km

• M1: 140,622 km (0.117 R)
• M2: 520,002 km (0.071 R)
• M3: 886,517 km (0.108 R)
• M4: 1,300,005 km (0.072 R)
• M5: 1,768,845 km (0.077 R)
• M6: 2,534,637 km (0.087 R)
• M7: 2,888,884 km (0.09 R)
• M8: 3,781,685 km (0.069 R)
• M9: 4,849,664 km (0.09 R)
• M10: 5,294,119 km (0.063 R)
• M11: 5,973,443 km (0.08 R)
• M12: 7,004,172 km (0.08 R)
• M13: 7,461,643 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800

Radius: 11.3

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.74 AU - 1.2 AU

Year: 617 Days

Day: 6.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,821,491 km

• M1: 140,472 km (0.09 R)
• M2: 555,307 km (0.088 R)
• M3: 1,386,623 km (0.058 R)
• M4: 2,275,982 km (0.12 R)
• M5: 2,716,398 km (0.117 R)
• M6: 3,328,104 km (0.106 R)
• M7: 3,870,247 km (0.104 R)
• M8: 4,223,447 km (0.075 R)
• M9: 4,646,510 km (0.052 R)
• M10: 5,820,554 km (0.033 R)
• M11: 6,860,708 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.3

Radius: 13

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.45 AU - 1.99 AU

Year: 1456 Days

Day: 7.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,821,491 km

• M1: 162,164 km (0.113 R)
• M2: 987,496 km (0.055 R)
• M3: 2,253,542 km (0.096 R)
• M4: 3,023,971 km (0.031 R)
• M5: 5,011,977 km (0.072 R)
• M6: 5,802,752 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.7

Radius: 8.9

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.21 AU - 3.39 AU

Year: 3871 Days

Day: 6.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,821,491 km

• M1: 110,852 km (0.108 R)
• M2: 390,750 km (0.074 R)
• M3: 805,136 km (0.101 R)
• M4: 1,139,936 km (0.108 R)
• M5: 2,034,681 km (0.033 R)
• M6: 2,499,780 km (0.082 R)
• M7: 3,722,294 km (0.115 R)
• M8: 4,071,605 km (0.07 R)
• M9: 5,278,262 km (0.097 R)
• M10: 8,766,286 km (0.029 R)
• M11: 9,091,212 km (0.066 R)
• M12: 14,680,488 km (0.098 R)
• M13: 17,579,545 km (0.065 R)
• M14: 19,405,537 km (0.033 R)
• M15: 21,096,142 km (0.099 R)
• M16: 21,878,090 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320

Radius: 10.8

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.05 AU - 4.11 AU

Year: 5321 Days

Day: 7.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,821,491 km

• M1: 134,339 km (0.036 R)
• M2: 633,996 km (0.085 R)
• M3: 1,140,385 km (0.102 R)
• M4: 1,619,846 km (0.075 R)
• M5: 2,513,843 km (0.077 R)
• M6: 3,451,821 km (0.104 R)
• M7: 4,422,562 km (0.071 R)
• M8: 4,800,147 km (0.063 R)
• M9: 7,117,119 km (0.114 R)
• M10: 8,323,177 km (0.087 R)
• M11: 9,466,852 km (0.04 R)
• M12: 10,339,906 km (0.1 R)
• M13: 10,965,524 km (0.083 R)
• M14: 13,186,005 km (0.058 R)
• M15: 15,745,176 km (0.111 R)
• M16: 19,419,748 km (0.111 R)
• M17: 20,051,201 km (0.082 R)
• M18: 20,631,342 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.2

Radius: 12.9

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.33 AU - 5.03 AU

Year: 6537 Days

Day: 10.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,821,491 km

• M1: 185,501 km (0.08 R)
• M2: 921,822 km (0.112 R)
• M3: 1,782,459 km (0.06 R)
• M4: 3,700,004 km (0.115 R)
• M5: 5,060,746 km (0.113 R)
• M6: 9,062,489 km (0.109 R)
• M7: 12,180,109 km (0.118 R)
• M8: 12,727,787 km (0.105 R)
• M9: 14,305,745 km (0.112 R)
• M10: 14,915,955 km (0.047 R)
• M11: 15,834,336 km (0.103 R)
• M12: 16,487,331 km (0.079 R)
• M13: 18,424,623 km (0.083 R)
• M14: 20,231,915 km (0.107 R)
• M15: 20,930,388 km (0.109 R)
• M16: 22,081,244 km (0.103 R)
• M17: 24,196,408 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.1

Radius: 3.3

Gravity: 47.39 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.77 AU - 7.47 AU

Year: 12267 Days

Day: 23.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,821,491 km

• M1: 43,383 km (0.092 R)
• M2: 394,490 km (0.11 R)
• M3: 1,543,252 km (0.066 R)
• M4: 2,127,581 km (0.064 R)
• M5: 2,570,690 km (0.1 R)
• M6: 2,803,015 km (0.116 R)
• M7: 3,983,941 km (0.099 R)
• M8: 5,094,705 km (0.076 R)
• M9: 7,645,498 km (0.108 R)
• M10: 8,080,828 km (0.082 R)
• M11: 10,349,929 km (0.063 R)
• M12: 12,767,729 km (0.115 R)
• M13: 13,071,264 km (0.051 R)
• M14: 17,170,395 km (0.083 R)
• M15: 20,524,977 km (0.068 R)
• M16: 21,619,136 km (0.068 R)
• M17: 25,610,258 km (0.044 R)
• M18: 30,710,348 km (0.037 R)
• M19: 32,250,907 km (0.117 R)
• M20: 33,040,186 km (0.119 R)
• M21: 38,172,739 km (0.091 R)
• M22: 42,319,742 km (0.063 R)
• M23: 48,939,597 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318

Radius: 7.5

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.59 AU - 9.05 AU

Year: 14120 Days

Day: 23 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,821,491 km

• M1: 93,349 km (0.05 R)
• M2: 369,656 km (0.059 R)
• M3: 745,745 km (0.087 R)
• M4: 1,161,179 km (0.092 R)
• M5: 1,536,520 km (0.098 R)
• M6: 1,974,542 km (0.109 R)
• M7: 2,611,231 km (0.102 R)
• M8: 2,944,684 km (0.09 R)
• M9: 3,522,581 km (0.104 R)
• M10: 4,064,425 km (0.11 R)
• M11: 4,369,754 km (0.118 R)
• M12: 4,902,621 km (0.092 R)
• M13: 6,724,125 km (0.11 R)
• M14: 7,112,631 km (0.08 R)
• M15: 8,019,942 km (0.098 R)
• M16: 8,636,135 km (0.088 R)
• M17: 9,426,461 km (0.049 R)
• M18: 11,973,664 km (0.085 R)
• M19: 13,253,773 km (0.069 R)
• M20: 14,622,743 km (0.115 R)
• M21: 16,498,252 km (0.059 R)
• M22: 21,210,884 km (0.056 R)
• M23: 22,216,331 km (0.085 R)
• M24: 23,962,138 km (0.083 R)
• M25: 24,412,428 km (0.111 R)
• M26: 28,021,476 km (0.053 R)
• M27: 33,180,209 km (0.096 R)
• M28: 39,435,345 km (0.099 R)
• M29: 46,293,809 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 168.5

Radius: 5.5

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.03 AU - 8.81 AU

Year: 14391 Days

Day: 22.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,821,491 km

• M1: 68,366 km (0.092 R)
• M2: 283,937 km (0.048 R)
• M3: 480,808 km (0.112 R)
• M4: 702,063 km (0.119 R)
• M5: 1,517,970 km (0.107 R)
• M6: 2,181,885 km (0.07 R)
• M7: 2,981,336 km (0.119 R)
• M8: 5,953,098 km (0.115 R)
• M9: 6,152,960 km (0.099 R)
• M10: 7,108,292 km (0.062 R)
• M11: 7,333,288 km (0.069 R)
• M12: 7,996,904 km (0.087 R)
• M13: 12,841,780 km (0.075 R)
• M14: 13,919,932 km (0.066 R)
• M15: 14,095,560 km (0.104 R)
• M16: 15,366,244 km (0.089 R)
• M17: 17,787,935 km (0.105 R)
• M18: 18,133,506 km (0.054 R)
• M19: 23,619,858 km (0.048 R)
• M20: 25,757,013 km (0.07 R)
• M21: 27,556,975 km (0.089 R)
• M22: 27,926,781 km (0.094 R)
• M23: 28,865,807 km (0.083 R)
• M24: 30,707,506 km (0.066 R)
• M25: 36,035,584 km (0.078 R)
• M26: 37,712,576 km (0.051 R)
• M27: 38,168,401 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 465.8

Radius: 6.4

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 9.25 AU - 10.45 AU

Year: 19960 Days

Day: 19 Hours

Environment

Temp: -238 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,821,491 km

• M1: 80,334 km (0.068 R)
• M2: 283,039 km (0.088 R)
• M3: 979,417 km (0.099 R)
• M4: 1,690,606 km (0.088 R)
• M5: 2,413,313 km (0.078 R)
• M6: 3,918,118 km (0.078 R)
• M7: 5,687,711 km (0.109 R)
• M8: 5,921,383 km (0.079 R)
• M9: 6,576,023 km (0.061 R)
• M10: 7,008,959 km (0.098 R)
• M11: 8,223,694 km (0.045 R)
• M12: 11,489,416 km (0.032 R)
• M13: 13,236,868 km (0.093 R)
• M14: 13,717,377 km (0.118 R)
• M15: 16,609,702 km (0.117 R)
• M16: 17,740,063 km (0.071 R)
• M17: 18,324,094 km (0.092 R)
• M18: 20,153,077 km (0.106 R)
• M19: 21,251,126 km (0.119 R)
• M20: 22,485,009 km (0.114 R)
• M21: 26,150,157 km (0.109 R)
• M22: 26,472,540 km (0.117 R)
• M23: 28,689,281 km (0.079 R)
• M24: 29,147,051 km (0.109 R)
• M25: 29,725,994 km (0.116 R)
• M26: 38,935,539 km (0.047 R)
• M27: 40,778,884 km (0.072 R)
• M28: 48,572,484 km (0.057 R)
• M29: 49,385,997 km (0.078 R)
• M30: 60,242,614 km (0.081 R)
• M31: 63,089,012 km (0.066 R)
• M32: 65,429,770 km (0.062 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 15,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit