🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236

Radius: 10.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.68 AU - 1 AU

Year: 505 Days

Day: 11.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,398,162 km

• M1: 130,749 km (0.105 R)
• M2: 492,775 km (0.081 R)
• M3: 840,740 km (0.045 R)
• M4: 1,533,079 km (0.108 R)
• M5: 2,198,939 km (0.089 R)
• M6: 2,718,193 km (0.113 R)
• M7: 3,108,644 km (0.102 R)
• M8: 3,447,782 km (0.026 R)
• M9: 4,226,888 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.1

Radius: 12.7

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.33 AU - 1.91 AU

Year: 1353 Days

Day: 9.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,398,162 km

• M1: 157,975 km (0.096 R)
• M2: 723,306 km (0.062 R)
• M3: 1,515,127 km (0.04 R)
• M4: 1,929,214 km (0.032 R)
• M5: 2,505,615 km (0.049 R)
• M6: 3,079,173 km (0.085 R)
• M7: 4,059,937 km (0.083 R)
• M8: 4,510,376 km (0.074 R)
• M9: 5,280,356 km (0.096 R)
• M10: 6,537,128 km (0.046 R)
• M11: 7,261,929 km (0.052 R)
• M12: 7,657,466 km (0.093 R)
• M13: 8,151,139 km (0.106 R)
• M14: 8,812,960 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.7

Radius: 15

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.77 AU - 1.99 AU

Year: 1691 Days

Day: 12.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,398,162 km

• M1: 187,446 km (0.089 R)
• M2: 724,502 km (0.111 R)
• M3: 1,225,057 km (0.032 R)
• M4: 1,840,503 km (0.103 R)
• M5: 2,698,147 km (0.07 R)
• M6: 3,907,646 km (0.055 R)
• M7: 4,917,581 km (0.114 R)
• M8: 5,641,186 km (0.094 R)
• M9: 7,505,325 km (0.077 R)
• M10: 8,977,817 km (0.057 R)
• M11: 11,063,660 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.1

Radius: 12.6

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.51 AU - 2.49 AU

Year: 1855 Days

Day: 12.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,398,162 km

• M1: 156,779 km (0.095 R)
• M2: 736,770 km (0.112 R)
• M3: 1,442,722 km (0.054 R)
• M4: 2,175,452 km (0.105 R)
• M5: 3,123,005 km (0.094 R)
• M6: 4,222,699 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.2

Radius: 14.8

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.02 AU - 2.64 AU

Year: 2333 Days

Day: 13.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,398,162 km

• M1: 184,155 km (0.098 R)
• M2: 679,324 km (0.066 R)
• M3: 1,405,921 km (0.038 R)
• M4: 1,879,248 km (0.117 R)
• M5: 2,392,220 km (0.114 R)
• M6: 2,893,372 km (0.106 R)
• M7: 3,739,797 km (0.087 R)
• M8: 5,384,327 km (0.106 R)
• M9: 7,496,200 km (0.088 R)
• M10: 8,147,998 km (0.112 R)
• M11: 9,181,869 km (0.109 R)
• M12: 11,141,601 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396

Radius: 8

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.15 AU - 2.65 AU

Year: 2439 Days

Day: 8.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 41,398,162 km

• M1: 99,483 km (0.097 R)
• M2: 353,350 km (0.093 R)
• M3: 724,502 km (0.077 R)
• M4: 1,656,796 km (0.099 R)
• M5: 1,921,734 km (0.026 R)
• M6: 2,202,829 km (0.105 R)
• M7: 2,551,990 km (0.104 R)
• M8: 2,834,132 km (0.054 R)
• M9: 3,200,347 km (0.117 R)
• M10: 3,667,242 km (0.105 R)
• M11: 4,084,022 km (0.118 R)
• M12: 4,884,071 km (0.073 R)
• M13: 5,526,594 km (0.065 R)
• M14: 6,026,251 km (0.034 R)
• M15: 6,791,743 km (0.091 R)
• M16: 7,309,053 km (0.118 R)
• M17: 7,940,655 km (0.114 R)
• M18: 8,639,277 km (0.1 R)
• M19: 11,278,034 km (0.113 R)
• M20: 11,964,539 km (0.048 R)
• M21: 12,397,624 km (0.075 R)
• M22: 13,004,992 km (0.076 R)
• M23: 14,148,069 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.6

Radius: 10.7

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.65 AU - 2.95 AU

Year: 3074 Days

Day: 13.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,398,162 km

• M1: 133,142 km (0.107 R)
• M2: 629,807 km (0.08 R)
• M3: 1,527,544 km (0.1 R)
• M4: 2,570,091 km (0.108 R)
• M5: 2,992,107 km (0.1 R)
• M6: 3,332,442 km (0.065 R)
• M7: 5,822,948 km (0.082 R)
• M8: 6,575,874 km (0.106 R)
• M9: 7,198,350 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765

Radius: 5.9

Gravity: 21.98 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.16 AU - 6.82 AU

Year: 9617 Days

Day: 18.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,398,162 km

• M1: 73,453 km (0.101 R)
• M2: 379,679 km (0.067 R)
• M3: 677,529 km (0.106 R)
• M4: 1,528,591 km (0.114 R)
• M5: 4,028,222 km (0.112 R)
• M6: 4,541,043 km (0.105 R)
• M7: 5,490,990 km (0.034 R)
• M8: 6,643,193 km (0.106 R)
• M9: 8,892,247 km (0.071 R)
• M10: 9,858,799 km (0.099 R)
• M11: 11,163,143 km (0.094 R)
• M12: 13,176,580 km (0.055 R)
• M13: 18,586,339 km (0.096 R)
• M14: 28,544,022 km (0.06 R)
• M15: 30,845,735 km (0.095 R)
• M16: 31,168,866 km (0.106 R)
• M17: 34,179,673 km (0.042 R)
• M18: 40,772,152 km (0.066 R)
• M19: 41,553,053 km (0.117 R)
• M20: 42,211,582 km (0.114 R)
• M21: 44,776,887 km (0.043 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.2

Radius: 4.8

Gravity: 12.07 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.61 AU - 8.73 AU

Year: 12595 Days

Day: 19.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 41,398,162 km

• M1: 59,690 km (0.036 R)
• M2: 259,253 km (0.108 R)
• M3: 459,116 km (0.098 R)
• M4: 667,655 km (0.106 R)
• M5: 1,057,507 km (0.046 R)
• M6: 1,505,104 km (0.114 R)
• M7: 2,020,768 km (0.069 R)
• M8: 2,929,725 km (0.11 R)
• M9: 3,188,529 km (0.044 R)
• M10: 3,438,956 km (0.061 R)
• M11: 3,605,159 km (0.065 R)
• M12: 4,406,555 km (0.101 R)
• M13: 7,164,990 km (0.079 R)
• M14: 8,549,818 km (0.054 R)
• M15: 9,259,360 km (0.103 R)
• M16: 10,007,499 km (0.116 R)
• M17: 13,288,629 km (0.098 R)
• M18: 14,792,686 km (0.103 R)
• M19: 15,425,036 km (0.073 R)
• M20: 15,943,543 km (0.1 R)
• M21: 17,360,235 km (0.114 R)
• M22: 18,063,344 km (0.113 R)
• M23: 19,526,412 km (0.067 R)
• M24: 19,752,454 km (0.043 R)
• M25: 21,624,372 km (0.115 R)
• M26: 21,947,354 km (0.115 R)
• M27: 25,806,829 km (0.115 R)
• M28: 27,469,311 km (0.115 R)
• M29: 29,300,389 km (0.065 R)
• M30: 29,994,971 km (0.056 R)
• M31: 36,633,377 km (0.1 R)
• M32: 38,022,094 km (0.105 R)
• M33: 39,086,333 km (0.083 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 12,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit