🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425

Radius: 10.1

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.82 AU - 1.26 AU

Year: 685 Days

Day: 10.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,956,859 km

• M1: 125,662 km (0.117 R)
• M2: 468,690 km (0.071 R)
• M3: 783,743 km (0.119 R)
• M4: 1,261,559 km (0.063 R)
• M5: 1,598,453 km (0.083 R)
• M6: 2,182,334 km (0.115 R)
• M7: 2,550,195 km (0.053 R)
• M8: 2,982,234 km (0.098 R)
• M9: 3,603,663 km (0.103 R)
• M10: 4,309,466 km (0.067 R)
• M11: 4,687,649 km (0.105 R)
• M12: 5,071,667 km (0.09 R)
• M13: 6,275,331 km (0.115 R)
• M14: 6,663,239 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.7

Radius: 13.3

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.24 AU - 1.36 AU

Year: 957 Days

Day: 5.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,956,859 km

• M1: 165,455 km (0.088 R)
• M2: 608,115 km (0.097 R)
• M3: 1,060,200 km (0.105 R)
• M4: 1,478,326 km (0.111 R)
• M5: 1,932,057 km (0.092 R)
• M6: 2,804,362 km (0.106 R)
• M7: 3,367,149 km (0.106 R)
• M8: 4,020,892 km (0.119 R)
• M9: 4,543,587 km (0.045 R)
• M10: 5,207,651 km (0.107 R)
• M11: 5,665,122 km (0.109 R)
• M12: 6,593,227 km (0.096 R)
• M13: 7,250,261 km (0.076 R)
• M14: 8,751,027 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.3

Radius: 12.7

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.34 AU - 1.44 AU

Year: 1058 Days

Day: 13.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 87,956,859 km

• M1: 163,810 km (0.032 R)
• M2: 817,253 km (0.058 R)
• M3: 1,599,351 km (0.106 R)
• M4: 2,295,430 km (0.087 R)
• M5: 3,485,630 km (0.076 R)
• M6: 4,501,998 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.4

Radius: 9.8

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.26 AU - 1.94 AU

Year: 1307 Days

Day: 10.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,956,859 km

• M1: 121,922 km (0.101 R)
• M2: 442,810 km (0.059 R)
• M3: 805,435 km (0.09 R)
• M4: 1,326,784 km (0.106 R)
• M5: 2,113,519 km (0.075 R)
• M6: 2,878,113 km (0.077 R)
• M7: 3,282,177 km (0.093 R)
• M8: 4,306,025 km (0.113 R)
• M9: 4,966,500 km (0.118 R)
• M10: 6,222,972 km (0.067 R)
• M11: 6,556,575 km (0.083 R)
• M12: 7,091,238 km (0.075 R)
• M13: 9,380,684 km (0.116 R)
• M14: 9,701,721 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.3

Radius: 10

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.3 AU - 2.02 AU

Year: 1381 Days

Day: 5.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,956,859 km

• M1: 124,765 km (0.086 R)
• M2: 482,304 km (0.05 R)
• M3: 894,296 km (0.076 R)
• M4: 1,298,510 km (0.096 R)
• M5: 1,618,350 km (0.113 R)
• M6: 2,319,515 km (0.117 R)
• M7: 3,224,283 km (0.078 R)
• M8: 4,254,863 km (0.027 R)
• M9: 4,821,091 km (0.078 R)
• M10: 5,166,811 km (0.081 R)
• M11: 6,825,104 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.2

Radius: 13.3

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.8 AU - 1.84 AU

Year: 1585 Days

Day: 9.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,956,859 km

• M1: 165,455 km (0.072 R)
• M2: 596,596 km (0.065 R)
• M3: 1,010,683 km (0.113 R)
• M4: 1,885,083 km (0.087 R)
• M5: 2,775,639 km (0.106 R)
• M6: 3,274,847 km (0.045 R)
• M7: 4,368,407 km (0.116 R)
• M8: 6,034,479 km (0.117 R)
• M9: 8,091,150 km (0.081 R)
• M10: 9,411,202 km (0.035 R)
• M11: 9,983,863 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.6

Radius: 11.6

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.82 AU - 1.84 AU

Year: 1598 Days

Day: 6.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,956,859 km

• M1: 144,212 km (0.096 R)
• M2: 791,223 km (0.069 R)
• M3: 1,388,567 km (0.037 R)
• M4: 2,595,673 km (0.101 R)
• M5: 4,439,915 km (0.074 R)
• M6: 6,114,215 km (0.025 R)
• M7: 7,376,372 km (0.081 R)
• M8: 8,122,117 km (0.119 R)
• M9: 8,582,280 km (0.077 R)
• M10: 10,441,483 km (0.065 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.4

Radius: 13.2

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.28 AU - 4.64 AU

Year: 6082 Days

Day: 14 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,956,859 km

• M1: 164,109 km (0.1 R)
• M2: 616,044 km (0.099 R)
• M3: 1,214,436 km (0.086 R)
• M4: 2,095,567 km (0.083 R)
• M5: 2,659,850 km (0.041 R)
• M6: 3,111,935 km (0.057 R)
• M7: 4,047,670 km (0.088 R)
• M8: 4,460,560 km (0.055 R)
• M9: 5,525,547 km (0.026 R)
• M10: 6,035,825 km (0.108 R)
• M11: 7,876,477 km (0.071 R)
• M12: 12,854,347 km (0.094 R)
• M13: 13,298,952 km (0.053 R)
• M14: 13,753,729 km (0.111 R)
• M15: 18,050,928 km (0.051 R)
• M16: 18,892,416 km (0.094 R)
• M17: 21,187,846 km (0.119 R)
• M18: 24,501,738 km (0.034 R)
• M19: 26,148,810 km (0.083 R)
• M20: 27,317,469 km (0.052 R)
• M21: 28,333,238 km (0.119 R)
• M22: 28,897,821 km (0.065 R)
• M23: 29,470,033 km (0.032 R)
• M24: 34,964,463 km (0.106 R)
• M25: 37,838,537 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790

Radius: 3.8

Gravity: 54.71 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.34 AU - 8.68 AU

Year: 11984 Days

Day: 15.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 87,956,859 km

• M1: 49,966 km (0.112 R)
• M2: 168,896 km (0.065 R)
• M3: 650,601 km (0.057 R)
• M4: 1,655,001 km (0.031 R)
• M5: 2,476,742 km (0.036 R)
• M6: 2,802,716 km (0.115 R)
• M7: 3,811,455 km (0.093 R)
• M8: 5,491,139 km (0.095 R)
• M9: 6,274,883 km (0.071 R)
• M10: 6,961,687 km (0.087 R)
• M11: 8,627,309 km (0.114 R)
• M12: 9,681,974 km (0.106 R)
• M13: 10,932,463 km (0.12 R)
• M14: 11,275,640 km (0.094 R)
• M15: 11,863,410 km (0.081 R)
• M16: 14,216,136 km (0.113 R)
• M17: 14,487,656 km (0.105 R)
• M18: 15,041,168 km (0.107 R)
• M19: 15,323,310 km (0.036 R)
• M20: 17,864,379 km (0.117 R)
• M21: 19,069,689 km (0.081 R)
• M22: 22,090,818 km (0.113 R)
• M23: 22,916,150 km (0.051 R)
• M24: 23,289,546 km (0.095 R)
• M25: 24,048,456 km (0.09 R)
• M26: 25,019,945 km (0.102 R)
• M27: 26,017,463 km (0.07 R)
• M28: 27,667,977 km (0.077 R)
• M29: 29,059,536 km (0.083 R)
• M30: 31,062,203 km (0.057 R)
• M31: 34,479,168 km (0.082 R)
• M32: 34,969,400 km (0.045 R)
• M33: 35,838,264 km (0.095 R)
• M34: 37,618,928 km (0.087 R)
• M35: 37,878,031 km (0.094 R)
• M36: 39,058,807 km (0.104 R)
• M37: 40,399,354 km (0.086 R)
• M38: 43,598,205 km (0.104 R)
• M39: 47,262,306 km (0.104 R)
• M40: 55,362,731 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.8

Radius: 4.5

Gravity: 46.01 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 8.16 AU - 12.42 AU

Year: 21313 Days

Day: 22.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,956,859 km

• M1: 56,099 km (0.108 R)
• M2: 204,051 km (0.102 R)
• M3: 687,851 km (0.117 R)
• M4: 929,601 km (0.113 R)
• M5: 1,824,795 km (0.113 R)
• M6: 2,405,683 km (0.098 R)
• M7: 2,855,973 km (0.066 R)
• M8: 3,390,337 km (0.044 R)
• M9: 3,728,577 km (0.079 R)
• M10: 5,391,358 km (0.067 R)
• M11: 8,723,949 km (0.107 R)
• M12: 11,376,469 km (0.03 R)
• M13: 13,897,193 km (0.112 R)
• M14: 15,492,804 km (0.093 R)
• M15: 16,854,145 km (0.091 R)
• M16: 17,744,252 km (0.046 R)
• M17: 18,108,972 km (0.081 R)
• M18: 23,863,104 km (0.084 R)
• M19: 26,257,269 km (0.058 R)
• M20: 26,493,334 km (0.074 R)
• M21: 28,557,186 km (0.106 R)
• M22: 31,119,499 km (0.075 R)
• M23: 34,110,558 km (0.099 R)
• M24: 36,549,004 km (0.119 R)
• M25: 37,139,167 km (0.11 R)
• M26: 40,185,578 km (0.114 R)
• M27: 41,131,037 km (0.087 R)
• M28: 46,770,129 km (0.077 R)
• M29: 53,091,088 km (0.102 R)
• M30: 55,770,984 km (0.082 R)
• M31: 59,144,865 km (0.1 R)
• M32: 62,023,427 km (0.108 R)
• M33: 65,642,498 km (0.063 R)
• M34: 69,175,103 km (0.037 R)
• M35: 70,304,417 km (0.107 R)
• M36: 70,987,930 km (0.078 R)
• M37: 73,065,096 km (0.067 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 11,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit