🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

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: 883.7

Radius: 9

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.86 AU - 0.96 AU

Year: 610 Days

Day: 8.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 178.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,799,912 km

• M1: 111,899 km (0.06 R)
• M2: 414,536 km (0.09 R)
• M3: 746,045 km (0.093 R)
• M4: 1,182,422 km (0.078 R)
• M5: 2,115,763 km (0.072 R)
• M6: 2,425,729 km (0.077 R)
• M7: 2,871,082 km (0.106 R)
• M8: 3,517,196 km (0.11 R)
• M9: 4,074,148 km (0.119 R)
• M10: 4,873,001 km (0.118 R)
• M11: 5,528,539 km (0.073 R)
• M12: 6,102,396 km (0.117 R)
• M13: 6,424,331 km (0.073 R)
• M14: 6,821,364 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.9

Radius: 9.3

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.08 AU - 1.62 AU

Year: 1103 Days

Day: 9.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,799,912 km

• M1: 116,088 km (0.073 R)
• M2: 974,780 km (0.104 R)
• M3: 1,422,227 km (0.107 R)
• M4: 2,251,897 km (0.11 R)
• M5: 2,879,310 km (0.066 R)
• M6: 3,404,249 km (0.063 R)
• M7: 3,697,760 km (0.118 R)
• M8: 4,589,663 km (0.091 R)
• M9: 5,007,639 km (0.108 R)
• M10: 6,323,951 km (0.041 R)
• M11: 6,818,222 km (0.039 R)
• M12: 7,388,938 km (0.074 R)
• M13: 8,911,695 km (0.115 R)
• M14: 10,152,160 km (0.106 R)
• M15: 10,666,179 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.5

Radius: 14.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.64 AU - 1.78 AU

Year: 1572 Days

Day: 6 Hours

Environment

Temp: -199 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,799,912 km

• M1: 185,352 km (0.059 R)
• M2: 887,564 km (0.117 R)
• M3: 1,652,159 km (0.045 R)
• M4: 2,520,425 km (0.099 R)
• M5: 3,257,045 km (0.118 R)
• M6: 4,541,343 km (0.107 R)
• M7: 5,517,319 km (0.12 R)
• M8: 7,287,062 km (0.109 R)
• M9: 10,397,052 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.3

Radius: 14.9

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.98 AU - 2.68 AU

Year: 2500 Days

Day: 6.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,799,912 km

• M1: 185,352 km (0.047 R)
• M2: 708,645 km (0.113 R)
• M3: 2,468,664 km (0.098 R)
• M4: 3,093,834 km (0.093 R)
• M5: 3,805,022 km (0.078 R)
• M6: 5,155,891 km (0.118 R)
• M7: 7,708,329 km (0.094 R)
• M8: 10,480,079 km (0.12 R)
• M9: 11,167,930 km (0.088 R)
• M10: 14,409,865 km (0.047 R)
• M11: 15,261,376 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.3

Radius: 8.2

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.19 AU - 4.43 AU

Year: 5228 Days

Day: 10 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,799,912 km

• M1: 102,026 km (0.118 R)
• M2: 369,507 km (0.081 R)
• M3: 654,491 km (0.113 R)
• M4: 1,023,399 km (0.111 R)
• M5: 1,411,456 km (0.081 R)
• M6: 1,715,738 km (0.107 R)
• M7: 2,334,924 km (0.083 R)
• M8: 2,689,171 km (0.083 R)
• M9: 4,521,446 km (0.049 R)
• M10: 5,074,210 km (0.083 R)
• M11: 6,181,982 km (0.113 R)
• M12: 7,004,920 km (0.119 R)
• M13: 7,502,782 km (0.12 R)
• M14: 8,149,942 km (0.118 R)
• M15: 9,345,379 km (0.115 R)
• M16: 10,131,067 km (0.12 R)
• M17: 11,510,958 km (0.078 R)
• M18: 13,809,080 km (0.077 R)
• M19: 14,638,750 km (0.054 R)
• M20: 18,074,116 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.2

Radius: 5.3

Gravity: 27.74 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.37 AU - 6.57 AU

Year: 8993 Days

Day: 15.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,799,912 km

• M1: 69,413 km (0.098 R)
• M2: 256,560 km (0.076 R)
• M3: 582,085 km (0.052 R)
• M4: 767,437 km (0.105 R)
• M5: 1,166,415 km (0.048 R)
• M6: 1,769,444 km (0.1 R)
• M7: 1,960,929 km (0.07 R)
• M8: 2,201,781 km (0.051 R)
• M9: 2,443,083 km (0.116 R)
• M10: 2,681,243 km (0.054 R)
• M11: 3,227,574 km (0.089 R)
• M12: 4,085,667 km (0.092 R)
• M13: 5,609,920 km (0.1 R)
• M14: 7,726,730 km (0.119 R)
• M15: 8,329,011 km (0.12 R)
• M16: 9,008,335 km (0.089 R)
• M17: 9,773,079 km (0.085 R)
• M18: 11,053,338 km (0.109 R)
• M19: 12,041,731 km (0.063 R)
• M20: 14,446,367 km (0.117 R)
• M21: 17,224,848 km (0.103 R)
• M22: 19,626,343 km (0.119 R)
• M23: 19,862,259 km (0.072 R)
• M24: 20,662,607 km (0.115 R)
• M25: 21,567,525 km (0.12 R)
• M26: 21,734,775 km (0.07 R)
• M27: 24,622,314 km (0.062 R)
• M28: 29,675,131 km (0.033 R)
• M29: 30,194,535 km (0.077 R)
• M30: 30,614,456 km (0.071 R)
• M31: 33,104,812 km (0.048 R)
• M32: 34,914,797 km (0.097 R)
• M33: 42,947,454 km (0.066 R)
• M34: 43,212,392 km (0.068 R)
• M35: 44,283,214 km (0.034 R)
• M36: 45,646,349 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.9

Radius: 3

Gravity: 94.32 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 8.94 AU - 9.26 AU

Year: 19296 Days

Day: 23.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 79,799,912 km

• M1: 37,549 km (0.07 R)
• M2: 280,496 km (0.03 R)
• M3: 593,156 km (0.114 R)
• M4: 1,046,288 km (0.063 R)
• M5: 1,313,769 km (0.111 R)
• M6: 1,538,465 km (0.101 R)
• M7: 3,090,094 km (0.091 R)
• M8: 4,448,741 km (0.107 R)
• M9: 4,768,731 km (0.1 R)
• M10: 4,915,786 km (0.049 R)
• M11: 5,336,006 km (0.097 R)
• M12: 6,203,674 km (0.054 R)
• M13: 6,739,534 km (0.065 R)
• M14: 7,953,969 km (0.055 R)
• M15: 8,913,640 km (0.052 R)
• M16: 10,432,208 km (0.083 R)
• M17: 12,047,117 km (0.113 R)
• M18: 13,020,400 km (0.079 R)
• M19: 13,746,848 km (0.097 R)
• M20: 13,970,048 km (0.094 R)
• M21: 17,179,969 km (0.092 R)
• M22: 17,438,923 km (0.106 R)
• M23: 18,772,289 km (0.09 R)
• M24: 20,848,707 km (0.084 R)
• M25: 21,841,140 km (0.09 R)
• M26: 23,493,897 km (0.042 R)
• M27: 31,066,391 km (0.081 R)
• M28: 36,027,655 km (0.091 R)
• M29: 43,057,558 km (0.072 R)
• M30: 46,140,920 km (0.085 R)
• M31: 47,481,915 km (0.095 R)
• M32: 49,194,661 km (0.118 R)
• M33: 49,542,028 km (0.105 R)
• M34: 58,767,728 km (0.1 R)
• M35: 61,340,812 km (0.083 R)
• M36: 62,553,452 km (0.107 R)
• M37: 64,402,033 km (0.082 R)
• M38: 66,075,584 km (0.117 R)
• M39: 66,286,817 km (0.106 R)
• M40: 74,650,534 km (0.086 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 20,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit