🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.8

Radius: 9.2

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.19 AU - 1.45 AU

Year: 995 Days

Day: 9.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,751,410 km

• M1: 114,442 km (0.117 R)
• M2: 426,803 km (0.05 R)
• M3: 721,062 km (0.108 R)
• M4: 1,026,241 km (0.097 R)
• M5: 1,451,997 km (0.07 R)
• M6: 1,795,922 km (0.081 R)
• M7: 2,936,157 km (0.101 R)
• M8: 3,314,042 km (0.109 R)
• M9: 3,966,737 km (0.088 R)
• M10: 4,412,090 km (0.114 R)
• M11: 5,201,967 km (0.096 R)
• M12: 5,526,744 km (0.104 R)
• M13: 6,676,553 km (0.116 R)
• M14: 7,612,736 km (0.032 R)
• M15: 8,356,687 km (0.108 R)
• M16: 8,718,265 km (0.117 R)
• M17: 9,324,435 km (0.109 R)
• M18: 10,815,178 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.5

Radius: 11.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.33 AU - 1.69 AU

Year: 1217 Days

Day: 8.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,751,410 km

• M1: 147,952 km (0.11 R)
• M2: 625,319 km (0.116 R)
• M3: 1,010,085 km (0.12 R)
• M4: 1,423,125 km (0.068 R)
• M5: 2,715,949 km (0.109 R)
• M6: 3,107,447 km (0.089 R)
• M7: 3,634,630 km (0.111 R)
• M8: 5,242,657 km (0.114 R)
• M9: 5,769,391 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.1

Radius: 12.2

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.58 AU - 1.7 AU

Year: 1378 Days

Day: 11.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,751,410 km

• M1: 152,440 km (0.031 R)
• M2: 610,359 km (0.084 R)
• M3: 1,035,965 km (0.115 R)
• M4: 1,761,814 km (0.053 R)
• M5: 2,606,145 km (0.068 R)
• M6: 3,323,018 km (0.092 R)
• M7: 4,630,802 km (0.117 R)
• M8: 5,380,437 km (0.085 R)
• M9: 5,908,817 km (0.117 R)
• M10: 6,423,433 km (0.118 R)
• M11: 8,036,547 km (0.087 R)
• M12: 8,493,569 km (0.098 R)
• M13: 11,009,954 km (0.115 R)
• M14: 11,502,879 km (0.087 R)
• M15: 12,158,417 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.5

Radius: 10.6

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.91 AU - 2.51 AU

Year: 2155 Days

Day: 8.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 31,751,410 km

• M1: 131,796 km (0.038 R)
• M2: 506,389 km (0.103 R)
• M3: 905,965 km (0.094 R)
• M4: 1,280,109 km (0.076 R)
• M5: 1,866,233 km (0.064 R)
• M6: 2,203,577 km (0.116 R)
• M7: 2,541,069 km (0.111 R)
• M8: 2,973,856 km (0.106 R)
• M9: 3,787,070 km (0.09 R)
• M10: 4,139,971 km (0.114 R)
• M11: 4,555,554 km (0.055 R)
• M12: 5,220,367 km (0.083 R)
• M13: 6,047,195 km (0.106 R)
• M14: 6,453,203 km (0.066 R)
• M15: 8,293,856 km (0.075 R)
• M16: 8,892,397 km (0.106 R)
• M17: 9,930,606 km (0.096 R)
• M18: 10,533,336 km (0.098 R)
• M19: 11,197,849 km (0.113 R)
• M20: 12,127,002 km (0.066 R)
• M21: 13,275,165 km (0.066 R)
• M22: 13,659,183 km (0.118 R)
• M23: 14,360,348 km (0.051 R)
• M24: 15,644,646 km (0.081 R)
• M25: 16,073,394 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.1

Radius: 10

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.22 AU - 2.9 AU

Year: 2687 Days

Day: 7.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,751,410 km

• M1: 124,465 km (0.061 R)
• M2: 482,453 km (0.068 R)
• M3: 944,860 km (0.084 R)
• M4: 1,528,142 km (0.067 R)
• M5: 1,896,452 km (0.078 R)
• M6: 2,619,908 km (0.086 R)
• M7: 3,237,448 km (0.108 R)
• M8: 3,608,450 km (0.103 R)
• M9: 6,251,097 km (0.096 R)
• M10: 7,030,053 km (0.051 R)
• M11: 7,353,184 km (0.059 R)
• M12: 8,124,810 km (0.068 R)
• M13: 9,541,651 km (0.11 R)
• M14: 10,159,640 km (0.036 R)
• M15: 11,965,885 km (0.082 R)
• M16: 14,254,882 km (0.079 R)
• M17: 15,062,561 km (0.111 R)
• M18: 18,937,594 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.8

Radius: 12.5

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.37 AU - 3.25 AU

Year: 3090 Days

Day: 7 Hours

Environment

Temp: -205 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,751,410 km

• M1: 155,432 km (0.103 R)
• M2: 556,504 km (0.115 R)
• M3: 1,160,580 km (0.065 R)
• M4: 1,560,455 km (0.117 R)
• M5: 2,583,256 km (0.086 R)
• M6: 3,202,292 km (0.05 R)
• M7: 3,774,354 km (0.111 R)
• M8: 4,473,575 km (0.038 R)
• M9: 4,865,372 km (0.107 R)
• M10: 6,206,068 km (0.103 R)
• M11: 8,166,398 km (0.072 R)
• M12: 9,504,402 km (0.083 R)
• M13: 10,474,394 km (0.119 R)
• M14: 11,057,676 km (0.034 R)
• M15: 11,700,947 km (0.102 R)
• M16: 12,733,172 km (0.075 R)
• M17: 13,145,913 km (0.109 R)
• M18: 14,129,519 km (0.077 R)
• M19: 15,813,692 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.3

Radius: 13.1

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.54 AU - 3.86 AU

Year: 3755 Days

Day: 5 Hours

Environment

Temp: -205 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,751,410 km

• M1: 164,558 km (0.095 R)
• M2: 578,645 km (0.056 R)
• M3: 1,198,129 km (0.117 R)
• M4: 2,078,513 km (0.096 R)
• M5: 3,186,435 km (0.078 R)
• M6: 4,064,574 km (0.057 R)
• M7: 5,072,714 km (0.073 R)
• M8: 6,537,277 km (0.083 R)
• M9: 6,967,521 km (0.081 R)
• M10: 7,482,437 km (0.093 R)
• M11: 8,302,682 km (0.052 R)
• M12: 8,845,124 km (0.106 R)
• M13: 9,722,814 km (0.115 R)
• M14: 11,607,448 km (0.11 R)
• M15: 12,425,749 km (0.108 R)
• M16: 13,576,156 km (0.048 R)
• M17: 15,272,447 km (0.091 R)
• M18: 17,926,462 km (0.078 R)
• M19: 19,020,023 km (0.119 R)
• M20: 21,339,687 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.4

Radius: 8.9

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.47 AU - 4.01 AU

Year: 3826 Days

Day: 12.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 31,751,410 km

• M1: 110,702 km (0.103 R)
• M2: 675,285 km (0.105 R)
• M3: 1,137,542 km (0.082 R)
• M4: 1,420,581 km (0.114 R)
• M5: 1,851,722 km (0.113 R)
• M6: 2,293,186 km (0.05 R)
• M7: 2,769,505 km (0.081 R)
• M8: 3,178,356 km (0.07 R)
• M9: 3,963,895 km (0.118 R)
• M10: 4,367,510 km (0.108 R)
• M11: 4,848,168 km (0.1 R)
• M12: 5,231,288 km (0.056 R)
• M13: 5,662,279 km (0.102 R)
• M14: 6,146,079 km (0.081 R)
• M15: 7,393,276 km (0.09 R)
• M16: 9,412,100 km (0.077 R)
• M17: 12,561,883 km (0.06 R)
• M18: 12,896,683 km (0.066 R)
• M19: 13,286,535 km (0.114 R)
• M20: 14,295,872 km (0.087 R)
• M21: 16,127,548 km (0.072 R)
• M22: 16,867,459 km (0.099 R)
• M23: 17,216,621 km (0.111 R)
• M24: 17,570,420 km (0.082 R)
• M25: 18,723,370 km (0.11 R)
• M26: 20,910,940 km (0.118 R)
• M27: 23,263,516 km (0.106 R)
• M28: 24,726,882 km (0.116 R)
• M29: 25,026,826 km (0.111 R)

Asteroid Belt

Center: 3.69 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.6

Radius: 11.6

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.84 AU - 4.42 AU

Year: 5506 Days

Day: 8.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,751,410 km

• M1: 144,512 km (0.062 R)
• M2: 648,058 km (0.077 R)
• M3: 1,096,104 km (0.108 R)
• M4: 1,719,478 km (0.116 R)
• M5: 2,113,668 km (0.092 R)
• M6: 2,703,832 km (0.115 R)
• M7: 3,225,180 km (0.045 R)
• M8: 3,754,907 km (0.092 R)
• M9: 4,384,714 km (0.09 R)
• M10: 5,624,132 km (0.099 R)
• M11: 7,084,058 km (0.116 R)
• M12: 8,080,080 km (0.095 R)
• M13: 8,544,133 km (0.083 R)
• M14: 9,131,604 km (0.08 R)
• M15: 11,300,025 km (0.103 R)
• M16: 12,923,910 km (0.037 R)
• M17: 13,559,701 km (0.081 R)
• M18: 14,407,771 km (0.106 R)
• M19: 14,844,896 km (0.077 R)
• M20: 18,955,097 km (0.104 R)
• M21: 19,362,752 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83.3

Radius: 6.3

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 7.34 AU - 9.1 AU

Year: 15460 Days

Day: 22.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,751,410 km

• M1: 78,389 km (0.092 R)
• M2: 521,648 km (0.099 R)
• M3: 803,789 km (0.088 R)
• M4: 1,003,802 km (0.117 R)
• M5: 1,401,732 km (0.091 R)
• M6: 1,885,831 km (0.113 R)
• M7: 2,527,007 km (0.047 R)
• M8: 3,283,524 km (0.12 R)
• M9: 4,157,474 km (0.058 R)
• M10: 4,635,440 km (0.111 R)
• M11: 4,847,270 km (0.09 R)
• M12: 6,750,155 km (0.117 R)
• M13: 8,149,942 km (0.065 R)
• M14: 10,942,187 km (0.094 R)
• M15: 11,224,029 km (0.111 R)
• M16: 12,861,079 km (0.119 R)
• M17: 16,052,899 km (0.091 R)
• M18: 17,798,706 km (0.084 R)
• M19: 25,309,117 km (0.07 R)
• M20: 25,719,464 km (0.057 R)
• M21: 29,980,161 km (0.107 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: 441 - 19,207 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit