🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.1

Radius: 12.2

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.19 AU - 1.25 AU

Year: 930 Days

Day: 12.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,569,025 km

• M1: 154,086 km (0.081 R)
• M2: 433,834 km (0.032 R)
• M3: 686,205 km (0.045 R)
• M4: 1,177,934 km (0.076 R)
• M5: 1,795,025 km (0.085 R)
• M6: 2,139,100 km (0.104 R)
• M7: 2,753,498 km (0.099 R)
• M8: 3,717,806 km (0.094 R)
• M9: 3,957,013 km (0.033 R)
• M10: 4,472,079 km (0.12 R)
• M11: 5,269,136 km (0.104 R)
• M12: 5,524,350 km (0.077 R)
• M13: 5,974,191 km (0.085 R)
• M14: 6,213,847 km (0.059 R)
• M15: 6,741,478 km (0.036 R)
• M16: 7,273,598 km (0.059 R)
• M17: 7,538,536 km (0.082 R)
• M18: 8,101,323 km (0.032 R)
• M19: 9,131,005 km (0.1 R)
• M20: 9,508,141 km (0.104 R)
• M21: 10,537,824 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.6

Radius: 10.7

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.24 AU - 1.28 AU

Year: 976 Days

Day: 5.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,569,025 km

• M1: 134,788 km (0.055 R)
• M2: 384,317 km (0.096 R)
• M3: 591,360 km (0.103 R)
• M4: 882,927 km (0.116 R)
• M5: 1,359,246 km (0.076 R)
• M6: 1,596,359 km (0.099 R)
• M7: 1,881,941 km (0.107 R)
• M8: 2,193,105 km (0.069 R)
• M9: 2,771,151 km (0.097 R)
• M10: 2,970,864 km (0.025 R)
• M11: 3,196,159 km (0.03 R)
• M12: 3,732,168 km (0.116 R)
• M13: 3,964,792 km (0.038 R)
• M14: 4,332,803 km (0.081 R)
• M15: 4,572,609 km (0.111 R)
• M16: 5,084,233 km (0.113 R)
• M17: 5,428,608 km (0.096 R)
• M18: 5,635,950 km (0.084 R)
• M19: 6,024,157 km (0.106 R)
• M20: 6,229,704 km (0.063 R)
• M21: 6,813,285 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.5

Radius: 13.5

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.43 AU - 1.67 AU

Year: 1332 Days

Day: 9.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,569,025 km

• M1: 176,226 km (0.103 R)
• M2: 490,980 km (0.11 R)
• M3: 1,411,755 km (0.041 R)
• M4: 1,688,810 km (0.075 R)
• M5: 2,141,344 km (0.091 R)
• M6: 2,397,755 km (0.072 R)
• M7: 2,669,873 km (0.045 R)
• M8: 3,780,937 km (0.077 R)
• M9: 4,050,662 km (0.102 R)
• M10: 4,608,213 km (0.055 R)
• M11: 5,036,063 km (0.086 R)
• M12: 5,508,493 km (0.042 R)
• M13: 6,764,217 km (0.109 R)
• M14: 7,283,621 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.2

Radius: 10.1

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.36 AU - 2.24 AU

Year: 1667 Days

Day: 12.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,569,025 km

• M1: 136,433 km (0.082 R)
• M2: 441,314 km (0.089 R)
• M3: 777,460 km (0.086 R)
• M4: 1,112,559 km (0.07 R)
• M5: 1,354,908 km (0.101 R)
• M6: 1,633,160 km (0.112 R)
• M7: 2,252,944 km (0.114 R)
• M8: 2,626,191 km (0.058 R)
• M9: 3,275,445 km (0.088 R)
• M10: 4,670,894 km (0.116 R)
• M11: 4,895,740 km (0.066 R)
• M12: 5,395,696 km (0.098 R)
• M13: 5,637,596 km (0.033 R)
• M14: 6,564,654 km (0.1 R)
• M15: 6,773,941 km (0.057 R)
• M16: 7,422,298 km (0.115 R)
• M17: 7,645,050 km (0.036 R)
• M18: 9,320,845 km (0.116 R)
• M19: 9,824,092 km (0.105 R)
• M20: 11,041,968 km (0.099 R)
• M21: 11,741,189 km (0.111 R)
• M22: 13,529,781 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.7

Radius: 12.2

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.74 AU - 2.76 AU

Year: 2330 Days

Day: 9.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 49,569,025 km

• M1: 168,447 km (0.067 R)
• M2: 405,859 km (0.116 R)
• M3: 759,957 km (0.055 R)
• M4: 1,050,327 km (0.103 R)
• M5: 1,349,522 km (0.052 R)
• M6: 2,041,113 km (0.113 R)
• M7: 2,679,747 km (0.077 R)
• M8: 3,489,670 km (0.106 R)
• M9: 4,253,217 km (0.116 R)
• M10: 5,114,452 km (0.054 R)
• M11: 5,585,984 km (0.066 R)
• M12: 6,354,618 km (0.101 R)
• M13: 6,592,928 km (0.09 R)
• M14: 7,083,160 km (0.111 R)
• M15: 7,876,029 km (0.095 R)
• M16: 8,461,555 km (0.039 R)
• M17: 9,249,487 km (0.085 R)
• M18: 9,590,570 km (0.114 R)
• M19: 9,911,009 km (0.108 R)
• M20: 10,346,488 km (0.102 R)
• M21: 10,623,543 km (0.025 R)
• M22: 11,916,069 km (0.116 R)
• M23: 12,153,630 km (0.111 R)
• M24: 14,076,112 km (0.076 R)
• M25: 14,367,080 km (0.105 R)
• M26: 14,924,781 km (0.069 R)
• M27: 15,493,253 km (0.082 R)
• M28: 16,279,390 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.2

Radius: 11.8

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.98 AU - 4.66 AU

Year: 6198 Days

Day: 13.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,569,025 km

• M1: 149,149 km (0.114 R)
• M2: 407,355 km (0.044 R)
• M3: 652,396 km (0.08 R)
• M4: 1,140,385 km (0.074 R)
• M5: 1,494,483 km (0.112 R)
• M6: 1,983,967 km (0.119 R)
• M7: 2,292,438 km (0.12 R)
• M8: 3,063,764 km (0.115 R)
• M9: 3,318,230 km (0.112 R)
• M10: 4,934,635 km (0.063 R)
• M11: 5,397,491 km (0.115 R)
• M12: 6,756,887 km (0.109 R)
• M13: 7,594,486 km (0.109 R)
• M14: 7,862,266 km (0.052 R)
• M15: 8,238,205 km (0.085 R)
• M16: 9,419,580 km (0.059 R)
• M17: 14,902,790 km (0.067 R)
• M18: 17,786,439 km (0.055 R)
• M19: 19,033,038 km (0.107 R)
• M20: 20,376,876 km (0.067 R)
• M21: 20,816,544 km (0.089 R)
• M22: 23,319,914 km (0.103 R)
• M23: 24,685,294 km (0.056 R)
• M24: 28,366,748 km (0.106 R)
• M25: 29,607,064 km (0.111 R)
• M26: 30,874,009 km (0.074 R)
• M27: 32,859,322 km (0.101 R)
• M28: 33,138,023 km (0.067 R)
• M29: 33,417,771 km (0.057 R)
• M30: 36,574,585 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.1

Radius: 6.5

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.03 AU - 8.25 AU

Year: 11810 Days

Day: 23.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,569,025 km

• M1: 148,401 km (0.099 R)
• M2: 642,224 km (0.108 R)
• M3: 978,819 km (0.096 R)
• M4: 1,486,554 km (0.08 R)
• M5: 4,390,398 km (0.11 R)
• M6: 4,859,986 km (0.076 R)
• M7: 7,669,135 km (0.106 R)
• M8: 9,736,129 km (0.098 R)
• M9: 11,154,167 km (0.053 R)
• M10: 12,112,790 km (0.091 R)
• M11: 15,158,603 km (0.095 R)
• M12: 17,465,551 km (0.087 R)
• M13: 18,358,800 km (0.066 R)
• M14: 18,737,582 km (0.075 R)
• M15: 19,197,296 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.1

Radius: 4.9

Gravity: 39.57 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.66 AU - 7.16 AU

Year: 12538 Days

Day: 16.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 49,569,025 km

• M1: 74,949 km (0.07 R)
• M2: 216,169 km (0.087 R)
• M3: 315,203 km (0.062 R)
• M4: 645,216 km (0.086 R)
• M5: 1,260,661 km (0.065 R)
• M6: 4,756,763 km (0.059 R)
• M7: 6,340,107 km (0.118 R)
• M8: 7,029,454 km (0.081 R)
• M9: 9,847,579 km (0.11 R)
• M10: 10,397,351 km (0.062 R)
• M11: 12,357,233 km (0.058 R)
• M12: 14,307,989 km (0.093 R)
• M13: 17,967,003 km (0.1 R)
• M14: 19,394,915 km (0.112 R)
• M15: 19,673,018 km (0.072 R)
• M16: 23,776,338 km (0.042 R)
• M17: 24,007,017 km (0.111 R)
• M18: 24,239,044 km (0.076 R)
• M19: 27,109,229 km (0.099 R)
• M20: 32,879,667 km (0.115 R)
• M21: 33,241,844 km (0.045 R)
• M22: 33,423,605 km (0.099 R)
• M23: 36,590,442 km (0.11 R)
• M24: 37,549,066 km (0.1 R)
• M25: 38,227,641 km (0.104 R)
• M26: 43,147,616 km (0.057 R)
• M27: 46,199,862 km (0.026 R)
• M28: 46,844,329 km (0.095 R)
• M29: 50,917,879 km (0.1 R)
• M30: 55,278,358 km (0.099 R)
• M31: 55,865,380 km (0.079 R)
• M32: 59,818,205 km (0.08 R)
• M33: 60,428,863 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.5

Radius: 6.4

Gravity: 18.25 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.66 AU - 10.54 AU

Year: 18948 Days

Day: 16.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,569,025 km

• M1: 143,016 km (0.098 R)
• M2: 398,529 km (0.105 R)
• M3: 562,638 km (0.036 R)
• M4: 1,043,445 km (0.086 R)
• M5: 1,203,066 km (0.076 R)
• M6: 3,901,064 km (0.12 R)
• M7: 5,746,802 km (0.052 R)
• M8: 8,908,703 km (0.103 R)
• M9: 9,168,704 km (0.062 R)
• M10: 9,646,370 km (0.109 R)
• M11: 12,036,794 km (0.112 R)
• M12: 13,017,558 km (0.12 R)
• M13: 19,636,516 km (0.041 R)
• M14: 22,997,082 km (0.118 R)
• M15: 24,777,297 km (0.087 R)
• M16: 28,352,387 km (0.113 R)
• M17: 38,239,161 km (0.087 R)
• M18: 47,429,107 km (0.059 R)
• M19: 48,028,845 km (0.114 R)
• M20: 50,096,138 km (0.077 R)
• M21: 59,871,910 km (0.081 R)
• M22: 60,275,675 km (0.058 R)
• M23: 63,002,096 km (0.081 R)
• M24: 64,109,719 km (0.078 R)
• M25: 67,633,048 km (0.095 R)
• M26: 73,169,067 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.5

Radius: 3.2

Gravity: 13.04 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 8.5 AU - 12.7 AU

Year: 23822 Days

Day: 17.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 121.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,569,025 km

• M1: 40,242 km (0.12 R)
• M2: 1,771,837 km (0.105 R)
• M3: 2,798,378 km (0.115 R)
• M4: 3,491,764 km (0.117 R)
• M5: 5,111,610 km (0.113 R)
• M6: 5,303,544 km (0.103 R)
• M7: 5,765,352 km (0.093 R)
• M8: 6,423,134 km (0.107 R)
• M9: 7,924,947 km (0.066 R)
• M10: 11,167,780 km (0.084 R)
• M11: 11,642,305 km (0.096 R)
• M12: 12,175,621 km (0.073 R)
• M13: 12,721,055 km (0.111 R)
• M14: 13,691,347 km (0.089 R)
• M15: 14,913,561 km (0.058 R)
• M16: 15,461,389 km (0.055 R)
• M17: 15,906,742 km (0.112 R)
• M18: 26,361,688 km (0.04 R)
• M19: 28,048,703 km (0.069 R)
• M20: 28,874,184 km (0.117 R)
• M21: 31,817,822 km (0.046 R)
• M22: 33,262,039 km (0.067 R)
• M23: 36,501,432 km (0.113 R)
• M24: 39,713,896 km (0.067 R)
• M25: 43,896,952 km (0.118 R)
• M26: 45,590,849 km (0.095 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: 167 - 12,077 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit