🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.2

Radius: 11.4

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.45 AU - 0.59 AU

Year: 259 Days

Day: 5.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 67,506,630 km

• M1: 142,417 km (0.076 R)
• M2: 500,554 km (0.098 R)
• M3: 1,047,185 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.9

Radius: 9.9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.84 AU - 0.9 AU

Year: 560 Days

Day: 6.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,506,630 km

• M1: 123,269 km (0.088 R)
• M2: 641,625 km (0.082 R)
• M3: 995,275 km (0.047 R)
• M4: 1,456,186 km (0.09 R)
• M5: 2,561,116 km (0.075 R)
• M6: 3,190,773 km (0.106 R)
• M7: 4,325,323 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.8

Radius: 9

Gravity: 11.57 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.77 AU - 1.27 AU

Year: 711 Days

Day: 8.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,506,630 km

• M1: 111,899 km (0.114 R)
• M2: 399,277 km (0.117 R)
• M3: 814,112 km (0.118 R)
• M4: 1,179,579 km (0.091 R)
• M5: 1,564,046 km (0.097 R)
• M6: 1,844,691 km (0.099 R)
• M7: 2,705,178 km (0.067 R)
• M8: 3,087,999 km (0.059 R)
• M9: 3,737,404 km (0.071 R)
• M10: 4,055,897 km (0.12 R)
• M11: 4,425,404 km (0.109 R)
• M12: 4,799,698 km (0.041 R)
• M13: 5,250,736 km (0.028 R)
• M14: 5,690,553 km (0.095 R)
• M15: 6,470,706 km (0.099 R)
• M16: 6,797,727 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.9

Radius: 10.9

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.53 AU - 3.77 AU

Year: 4813 Days

Day: 5.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,506,630 km

• M1: 142,567 km (0.116 R)
• M2: 596,596 km (0.1 R)
• M3: 1,477,877 km (0.099 R)
• M4: 1,845,439 km (0.118 R)
• M5: 2,229,008 km (0.066 R)
• M6: 2,932,866 km (0.093 R)
• M7: 4,003,089 km (0.081 R)
• M8: 4,780,998 km (0.108 R)
• M9: 5,428,458 km (0.112 R)
• M10: 5,981,521 km (0.102 R)
• M11: 6,603,998 km (0.066 R)
• M12: 6,997,889 km (0.077 R)
• M13: 7,547,661 km (0.028 R)
• M14: 8,388,102 km (0.054 R)
• M15: 9,911,757 km (0.052 R)
• M16: 11,945,689 km (0.087 R)
• M17: 12,531,963 km (0.072 R)
• M18: 12,933,484 km (0.061 R)
• M19: 13,291,771 km (0.102 R)
• M20: 13,762,256 km (0.09 R)
• M21: 14,189,657 km (0.04 R)
• M22: 14,903,239 km (0.075 R)
• M23: 15,583,012 km (0.081 R)
• M24: 17,559,050 km (0.103 R)
• M25: 19,899,509 km (0.075 R)
• M26: 20,515,702 km (0.108 R)
• M27: 21,428,100 km (0.068 R)
• M28: 26,074,161 km (0.084 R)
• M29: 28,158,358 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.7

Radius: 10.3

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.21 AU - 6.43 AU

Year: 8470 Days

Day: 11.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 76.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,506,630 km

• M1: 128,056 km (0.078 R)
• M2: 861,983 km (0.113 R)
• M3: 1,277,865 km (0.114 R)
• M4: 2,200,435 km (0.106 R)
• M5: 2,826,053 km (0.06 R)
• M6: 3,470,222 km (0.094 R)
• M7: 4,236,761 km (0.089 R)
• M8: 4,958,571 km (0.069 R)
• M9: 5,429,804 km (0.094 R)
• M10: 5,896,250 km (0.105 R)
• M11: 8,035,949 km (0.119 R)
• M12: 10,095,612 km (0.112 R)
• M13: 12,771,918 km (0.12 R)
• M14: 13,478,619 km (0.093 R)
• M15: 15,424,887 km (0.099 R)
• M16: 16,430,933 km (0.038 R)
• M17: 18,722,622 km (0.11 R)
• M18: 19,099,011 km (0.099 R)
• M19: 19,789,255 km (0.104 R)
• M20: 21,138,329 km (0.103 R)
• M21: 22,802,904 km (0.114 R)
• M22: 24,823,074 km (0.073 R)
• M23: 25,369,106 km (0.106 R)
• M24: 28,616,128 km (0.115 R)
• M25: 31,173,503 km (0.07 R)
• M26: 32,237,892 km (0.112 R)
• M27: 33,879,430 km (0.086 R)
• M28: 34,438,926 km (0.076 R)
• M29: 36,270,453 km (0.058 R)
• M30: 38,286,733 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.7

Radius: 12.7

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.19 AU - 6.63 AU

Year: 8686 Days

Day: 5.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,506,630 km

• M1: 159,322 km (0.105 R)
• M2: 996,322 km (0.095 R)
• M3: 1,411,157 km (0.034 R)
• M4: 1,846,337 km (0.078 R)
• M5: 2,438,445 km (0.068 R)
• M6: 3,530,959 km (0.082 R)
• M7: 4,579,490 km (0.034 R)
• M8: 5,120,436 km (0.084 R)
• M9: 6,729,062 km (0.081 R)
• M10: 7,761,138 km (0.12 R)
• M11: 8,733,075 km (0.036 R)
• M12: 9,740,916 km (0.069 R)
• M13: 10,228,156 km (0.068 R)
• M14: 11,444,686 km (0.103 R)
• M15: 12,138,521 km (0.098 R)
• M16: 13,774,972 km (0.114 R)
• M17: 14,276,424 km (0.062 R)
• M18: 20,412,330 km (0.118 R)
• M19: 27,403,936 km (0.117 R)
• M20: 30,768,243 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.7

Radius: 7.3

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.24 AU - 10.2 AU

Year: 17774 Days

Day: 21.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,506,630 km

• M1: 90,806 km (0.106 R)
• M2: 361,728 km (0.099 R)
• M3: 606,171 km (0.075 R)
• M4: 1,602,642 km (0.079 R)
• M5: 2,580,114 km (0.12 R)
• M6: 2,835,179 km (0.083 R)
• M7: 3,760,890 km (0.076 R)
• M8: 4,059,189 km (0.076 R)
• M9: 4,470,433 km (0.08 R)
• M10: 5,085,430 km (0.03 R)
• M11: 6,275,032 km (0.114 R)
• M12: 7,687,087 km (0.039 R)
• M13: 12,379,673 km (0.094 R)
• M14: 12,641,618 km (0.059 R)
• M15: 13,176,580 km (0.077 R)
• M16: 14,007,148 km (0.063 R)
• M17: 14,945,725 km (0.119 R)
• M18: 15,468,270 km (0.084 R)
• M19: 15,925,741 km (0.075 R)
• M20: 25,994,724 km (0.061 R)
• M21: 26,750,194 km (0.106 R)
• M22: 27,188,366 km (0.118 R)
• M23: 27,854,675 km (0.071 R)
• M24: 28,418,210 km (0.067 R)
• M25: 33,329,358 km (0.116 R)
• M26: 34,867,225 km (0.081 R)
• M27: 50,392,641 km (0.071 R)
• M28: 56,443,426 km (0.048 R)
• M29: 57,891,384 km (0.078 R)
• M30: 60,109,621 km (0.056 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: 170 - 12,989 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit