🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522

Radius: 12.6

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.92 AU - 1.06 AU

Year: 626 Days

Day: 10.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,717,362 km

• M1: 156,629 km (0.076 R)
• M2: 743,352 km (0.098 R)
• M3: 1,207,554 km (0.116 R)
• M4: 2,132,218 km (0.092 R)
• M5: 2,685,880 km (0.114 R)
• M6: 3,130,635 km (0.101 R)
• M7: 3,729,625 km (0.118 R)
• M8: 4,359,581 km (0.102 R)
• M9: 4,755,268 km (0.086 R)
• M10: 6,724,275 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.9

Radius: 9

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.98 AU - 1.12 AU

Year: 684 Days

Day: 5.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,717,362 km

• M1: 112,049 km (0.117 R)
• M2: 462,407 km (0.088 R)
• M3: 838,346 km (0.111 R)
• M4: 1,211,294 km (0.081 R)
• M5: 2,118,156 km (0.093 R)
• M6: 2,411,817 km (0.039 R)
• M7: 3,409,335 km (0.11 R)
• M8: 3,857,830 km (0.118 R)
• M9: 4,268,775 km (0.045 R)
• M10: 4,774,117 km (0.027 R)
• M11: 5,127,018 km (0.11 R)
• M12: 5,425,316 km (0.109 R)
• M13: 5,923,178 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.8

Radius: 8.6

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.26 AU - 1.98 AU

Year: 1311 Days

Day: 9.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,717,362 km

• M1: 106,962 km (0.09 R)
• M2: 446,998 km (0.091 R)
• M3: 779,255 km (0.045 R)
• M4: 1,231,190 km (0.12 R)
• M5: 1,559,109 km (0.1 R)
• M6: 2,481,978 km (0.114 R)
• M7: 2,758,286 km (0.086 R)
• M8: 3,158,909 km (0.095 R)
• M9: 3,971,075 km (0.069 R)
• M10: 4,618,086 km (0.076 R)
• M11: 5,419,632 km (0.083 R)
• M12: 6,604,148 km (0.093 R)
• M13: 7,323,414 km (0.034 R)
• M14: 10,256,280 km (0.107 R)
• M15: 10,730,954 km (0.084 R)
• M16: 11,078,919 km (0.079 R)
• M17: 12,394,184 km (0.077 R)
• M18: 13,247,490 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.1

Radius: 12.7

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.02 AU - 2.4 AU

Year: 2089 Days

Day: 9.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,717,362 km

• M1: 158,275 km (0.069 R)
• M2: 562,937 km (0.105 R)
• M3: 1,153,998 km (0.063 R)
• M4: 1,808,040 km (0.072 R)
• M5: 2,833,384 km (0.114 R)
• M6: 4,075,944 km (0.077 R)
• M7: 4,930,596 km (0.115 R)
• M8: 5,556,514 km (0.031 R)
• M9: 6,156,700 km (0.051 R)
• M10: 8,347,711 km (0.112 R)
• M11: 9,068,922 km (0.109 R)
• M12: 9,619,293 km (0.089 R)
• M13: 13,891,957 km (0.1 R)
• M14: 14,624,239 km (0.104 R)
• M15: 15,770,757 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.9

Radius: 8.9

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.86 AU - 2.72 AU

Year: 2203 Days

Day: 11.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,717,362 km

• M1: 110,702 km (0.107 R)
• M2: 463,155 km (0.099 R)
• M3: 848,818 km (0.046 R)
• M4: 1,158,785 km (0.099 R)
• M5: 1,508,545 km (0.107 R)
• M6: 1,874,461 km (0.081 R)
• M7: 2,476,443 km (0.093 R)
• M8: 2,873,027 km (0.096 R)
• M9: 3,639,716 km (0.112 R)
• M10: 4,228,683 km (0.099 R)
• M11: 4,635,739 km (0.084 R)
• M12: 4,963,209 km (0.12 R)
• M13: 5,641,934 km (0.115 R)
• M14: 6,208,760 km (0.095 R)
• M15: 7,401,055 km (0.098 R)
• M16: 8,526,031 km (0.094 R)
• M17: 10,198,087 km (0.111 R)
• M18: 10,613,071 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.7

Radius: 15

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.17 AU - 3.33 AU

Year: 2900 Days

Day: 10.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,717,362 km

• M1: 186,549 km (0.079 R)
• M2: 786,286 km (0.112 R)
• M3: 1,491,790 km (0.108 R)
• M4: 2,453,854 km (0.118 R)
• M5: 3,154,271 km (0.083 R)
• M6: 4,984,451 km (0.115 R)
• M7: 5,811,129 km (0.067 R)
• M8: 6,344,296 km (0.108 R)
• M9: 7,672,875 km (0.095 R)
• M10: 8,633,293 km (0.075 R)
• M11: 9,142,823 km (0.073 R)
• M12: 9,711,146 km (0.116 R)
• M13: 11,602,811 km (0.095 R)
• M14: 12,728,684 km (0.108 R)
• M15: 14,224,514 km (0.08 R)
• M16: 14,937,198 km (0.1 R)
• M17: 15,620,411 km (0.06 R)
• M18: 16,269,367 km (0.057 R)
• M19: 17,621,432 km (0.096 R)
• M20: 21,460,413 km (0.099 R)
• M21: 23,155,207 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.8

Radius: 9.6

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.84 AU - 5.68 AU

Year: 6603 Days

Day: 11.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,717,362 km

• M1: 119,977 km (0.105 R)
• M2: 737,817 km (0.063 R)
• M3: 1,342,042 km (0.035 R)
• M4: 1,878,949 km (0.082 R)
• M5: 2,765,765 km (0.118 R)
• M6: 3,639,267 km (0.041 R)
• M7: 4,517,856 km (0.117 R)
• M8: 5,067,029 km (0.116 R)
• M9: 5,595,559 km (0.1 R)
• M10: 6,229,405 km (0.096 R)
• M11: 7,679,906 km (0.073 R)
• M12: 9,619,293 km (0.106 R)
• M13: 11,183,488 km (0.115 R)
• M14: 12,518,350 km (0.045 R)
• M15: 13,310,770 km (0.054 R)
• M16: 15,310,444 km (0.107 R)
• M17: 16,615,686 km (0.115 R)
• M18: 18,710,206 km (0.072 R)
• M19: 19,670,325 km (0.048 R)
• M20: 20,585,565 km (0.094 R)
• M21: 24,881,417 km (0.1 R)
• M22: 25,770,926 km (0.116 R)
• M23: 26,223,609 km (0.106 R)
• M24: 28,278,635 km (0.108 R)
• M25: 29,443,703 km (0.118 R)
• M26: 30,038,205 km (0.116 R)
• M27: 35,977,690 km (0.088 R)
• M28: 36,657,163 km (0.085 R)
• M29: 37,808,468 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.6

Radius: 9

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.97 AU - 5.27 AU

Year: 7366 Days

Day: 8.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,717,362 km

• M1: 113,395 km (0.111 R)
• M2: 534,214 km (0.08 R)
• M3: 1,311,674 km (0.073 R)
• M4: 2,327,444 km (0.111 R)
• M5: 3,158,161 km (0.098 R)
• M6: 3,920,511 km (0.092 R)
• M7: 4,687,051 km (0.096 R)
• M8: 6,238,979 km (0.099 R)
• M9: 8,690,888 km (0.082 R)
• M10: 9,664,471 km (0.073 R)
• M11: 10,907,031 km (0.104 R)
• M12: 12,252,814 km (0.113 R)
• M13: 14,294,376 km (0.08 R)
• M14: 15,333,183 km (0.076 R)
• M15: 15,839,123 km (0.101 R)
• M16: 17,423,963 km (0.075 R)
• M17: 21,843,832 km (0.063 R)
• M18: 24,396,421 km (0.043 R)
• M19: 27,325,397 km (0.079 R)
• M20: 28,163,146 km (0.063 R)
• M21: 33,447,391 km (0.08 R)
• M22: 37,504,934 km (0.084 R)
• M23: 38,307,826 km (0.074 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.5

Radius: 8

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.84 AU - 5.7 AU

Year: 7692 Days

Day: 9.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,717,362 km

• M1: 99,483 km (0.042 R)
• M2: 374,743 km (0.116 R)
• M3: 769,382 km (0.092 R)
• M4: 1,182,422 km (0.084 R)
• M5: 1,922,931 km (0.112 R)
• M6: 2,580,563 km (0.1 R)
• M7: 3,626,402 km (0.092 R)
• M8: 5,161,276 km (0.029 R)
• M9: 6,557,922 km (0.087 R)
• M10: 8,973,030 km (0.044 R)
• M11: 9,894,852 km (0.118 R)
• M12: 13,313,463 km (0.057 R)
• M13: 17,647,014 km (0.098 R)
• M14: 18,808,940 km (0.063 R)
• M15: 23,723,380 km (0.1 R)
• M16: 24,799,587 km (0.069 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.6

Radius: 6.4

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 9.01 AU - 11.15 AU

Year: 20348 Days

Day: 24.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,717,362 km

• M1: 80,484 km (0.108 R)
• M2: 684,859 km (0.099 R)
• M3: 1,155,344 km (0.1 R)
• M4: 2,037,373 km (0.119 R)
• M5: 2,882,003 km (0.106 R)
• M6: 3,516,597 km (0.088 R)
• M7: 4,088,360 km (0.12 R)
• M8: 4,302,584 km (0.091 R)
• M9: 4,556,452 km (0.082 R)
• M10: 5,525,248 km (0.115 R)
• M11: 5,787,493 km (0.1 R)
• M12: 6,792,641 km (0.105 R)
• M13: 7,862,415 km (0.112 R)
• M14: 8,887,011 km (0.092 R)
• M15: 9,352,260 km (0.046 R)
• M16: 10,444,175 km (0.104 R)
• M17: 14,437,541 km (0.06 R)
• M18: 17,202,259 km (0.065 R)
• M19: 19,258,183 km (0.092 R)
• M20: 21,289,273 km (0.087 R)
• M21: 24,547,066 km (0.069 R)
• M22: 26,504,853 km (0.074 R)
• M23: 26,716,833 km (0.108 R)
• M24: 27,684,732 km (0.091 R)
• M25: 28,787,417 km (0.097 R)
• M26: 29,462,852 km (0.095 R)
• M27: 33,988,187 km (0.082 R)
• M28: 35,123,934 km (0.059 R)
• M29: 39,505,207 km (0.105 R)
• M30: 40,339,066 km (0.107 R)
• M31: 42,765,543 km (0.099 R)
• M32: 46,047,571 km (0.066 R)
• M33: 49,493,857 km (0.047 R)
• M34: 55,497,519 km (0.106 R)
• M35: 60,857,012 km (0.041 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 15,623 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit