🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.2

Radius: 14.5

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.61 AU - 0.67 AU

Year: 353 Days

Day: 11.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 91,098,188 km

• M1: 180,265 km (0.116 R)
• M2: 672,143 km (0.107 R)
• M3: 1,760,019 km (0.119 R)
• M4: 2,653,118 km (0.12 R)
• M5: 3,382,557 km (0.087 R)
• M6: 4,347,314 km (0.111 R)
• M7: 4,966,500 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.1

Radius: 8.5

Gravity: 10.77 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.68 AU - 0.76 AU

Year: 422 Days

Day: 9.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,098,188 km

• M1: 106,214 km (0.06 R)
• M2: 556,354 km (0.091 R)
• M3: 854,353 km (0.062 R)
• M4: 1,316,012 km (0.117 R)
• M5: 2,044,554 km (0.059 R)
• M6: 2,813,188 km (0.092 R)
• M7: 3,142,453 km (0.088 R)
• M8: 3,584,215 km (0.087 R)
• M9: 4,121,571 km (0.091 R)
• M10: 4,547,925 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.2

Radius: 11.7

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.62 AU - 0.94 AU

Year: 476 Days

Day: 9.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 91,098,188 km

• M1: 145,559 km (0.089 R)
• M2: 553,512 km (0.071 R)
• M3: 973,733 km (0.062 R)
• M4: 1,369,269 km (0.11 R)
• M5: 1,779,317 km (0.068 R)
• M6: 2,297,674 km (0.038 R)
• M7: 2,805,259 km (0.096 R)
• M8: 3,253,454 km (0.104 R)
• M9: 4,111,997 km (0.079 R)
• M10: 5,130,758 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.4

Radius: 8.3

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.94 AU - 1.12 AU

Year: 722 Days

Day: 5.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,098,188 km

• M1: 104,419 km (0.117 R)
• M2: 372,050 km (0.096 R)
• M3: 634,295 km (0.111 R)
• M4: 1,033,572 km (0.045 R)
• M5: 1,659,788 km (0.089 R)
• M6: 2,305,303 km (0.058 R)
• M7: 2,873,775 km (0.084 R)
• M8: 3,210,819 km (0.089 R)
• M9: 4,288,373 km (0.044 R)
• M10: 4,595,946 km (0.051 R)
• M11: 4,918,479 km (0.078 R)
• M12: 6,362,248 km (0.086 R)
• M13: 7,181,296 km (0.081 R)
• M14: 7,616,476 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.5

Radius: 12.8

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.43 AU - 1.71 AU

Year: 1358 Days

Day: 13.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,098,188 km

• M1: 159,172 km (0.099 R)
• M2: 559,047 km (0.11 R)
• M3: 980,764 km (0.096 R)
• M4: 1,610,571 km (0.104 R)
• M5: 2,116,211 km (0.1 R)
• M6: 3,211,866 km (0.087 R)
• M7: 3,932,180 km (0.117 R)
• M8: 4,985,798 km (0.12 R)
• M9: 5,388,814 km (0.025 R)
• M10: 5,913,454 km (0.107 R)
• M11: 6,536,081 km (0.1 R)
• M12: 6,997,740 km (0.094 R)
• M13: 8,489,380 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.7

Radius: 13.9

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.44 AU - 2.08 AU

Year: 1612 Days

Day: 10.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,098,188 km

• M1: 172,935 km (0.099 R)
• M2: 614,398 km (0.084 R)
• M3: 1,221,915 km (0.082 R)
• M4: 2,249,204 km (0.12 R)
• M5: 2,733,751 km (0.1 R)
• M6: 3,336,332 km (0.109 R)
• M7: 3,881,466 km (0.096 R)
• M8: 4,446,348 km (0.076 R)
• M9: 5,109,066 km (0.091 R)
• M10: 5,932,752 km (0.046 R)
• M11: 6,402,190 km (0.115 R)
• M12: 7,472,563 km (0.11 R)
• M13: 8,351,152 km (0.113 R)
• M14: 8,910,648 km (0.058 R)
• M15: 10,070,629 km (0.082 R)
• M16: 10,849,735 km (0.06 R)
• M17: 11,516,942 km (0.082 R)
• M18: 12,093,641 km (0.095 R)
• M19: 13,683,717 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.1

Radius: 4.3

Gravity: 41.65 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.57 AU - 8.17 AU

Year: 13811 Days

Day: 23.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 52.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 91,098,188 km

• M1: 53,556 km (0.061 R)
• M2: 325,824 km (0.044 R)
• M3: 532,868 km (0.062 R)
• M4: 961,615 km (0.117 R)
• M5: 1,138,889 km (0.071 R)
• M6: 1,365,978 km (0.08 R)
• M7: 1,622,838 km (0.037 R)
• M8: 1,857,856 km (0.115 R)
• M9: 2,293,036 km (0.101 R)
• M10: 4,065,472 km (0.033 R)
• M11: 5,067,029 km (0.105 R)
• M12: 5,278,411 km (0.067 R)
• M13: 6,025,503 km (0.112 R)
• M14: 8,989,934 km (0.032 R)
• M15: 9,995,681 km (0.115 R)
• M16: 11,370,485 km (0.074 R)
• M17: 11,671,925 km (0.095 R)
• M18: 14,418,692 km (0.051 R)
• M19: 14,629,924 km (0.106 R)
• M20: 15,717,201 km (0.112 R)
• M21: 16,091,345 km (0.112 R)
• M22: 17,170,544 km (0.097 R)
• M23: 17,647,313 km (0.037 R)
• M24: 20,077,680 km (0.103 R)
• M25: 22,532,581 km (0.053 R)
• M26: 26,421,078 km (0.044 R)
• M27: 29,360,228 km (0.066 R)
• M28: 29,927,503 km (0.109 R)
• M29: 36,787,912 km (0.118 R)
• M30: 38,248,136 km (0.066 R)
• M31: 41,425,745 km (0.109 R)
• M32: 41,995,713 km (0.043 R)
• M33: 52,336,217 km (0.074 R)
• M34: 52,835,126 km (0.082 R)
• M35: 53,002,226 km (0.108 R)
• M36: 54,521,393 km (0.096 R)
• M37: 58,893,091 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.4

Radius: 7.2

Gravity: 18.7 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 8.5 AU - 11.62 AU

Year: 22025 Days

Day: 20.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 91,098,188 km

• M1: 95,294 km (0.081 R)
• M2: 384,616 km (0.047 R)
• M3: 920,326 km (0.06 R)
• M4: 1,211,294 km (0.11 R)
• M5: 2,023,760 km (0.114 R)
• M6: 2,425,879 km (0.045 R)
• M7: 3,213,661 km (0.08 R)
• M8: 4,371,100 km (0.111 R)
• M9: 4,736,867 km (0.109 R)
• M10: 5,122,829 km (0.033 R)
• M11: 5,613,660 km (0.047 R)
• M12: 7,789,262 km (0.1 R)
• M13: 9,966,809 km (0.052 R)
• M14: 12,592,999 km (0.117 R)
• M15: 13,638,688 km (0.092 R)
• M16: 16,157,916 km (0.096 R)
• M17: 17,572,364 km (0.119 R)
• M18: 21,674,637 km (0.114 R)
• M19: 26,135,346 km (0.052 R)
• M20: 28,203,537 km (0.041 R)
• M21: 29,469,733 km (0.107 R)
• M22: 32,388,089 km (0.118 R)
• M23: 33,216,113 km (0.086 R)
• M24: 33,495,262 km (0.105 R)
• M25: 35,203,221 km (0.088 R)
• M26: 36,078,668 km (0.085 R)
• M27: 43,945,721 km (0.051 R)
• M28: 46,337,342 km (0.062 R)
• M29: 47,036,263 km (0.108 R)
• M30: 47,919,788 km (0.03 R)
• M31: 56,772,990 km (0.054 R)
• M32: 63,601,236 km (0.105 R)
• M33: 82,382,351 km (0.103 R)
• M34: 86,535,188 km (0.111 R)
• M35: 88,127,806 km (0.071 R)
• M36: 90,281,567 km (0.046 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 14,178 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit