🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.4

Radius: 9.8

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.13 AU - 1.49 AU

Year: 1000 Days

Day: 11.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,250,789 km

• M1: 124,914 km (0.105 R)
• M2: 699,819 km (0.053 R)
• M3: 1,231,190 km (0.041 R)
• M4: 1,949,111 km (0.094 R)
• M5: 2,605,696 km (0.09 R)
• M6: 3,390,935 km (0.104 R)
• M7: 4,399,225 km (0.087 R)
• M8: 5,274,223 km (0.103 R)
• M9: 6,057,966 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.1

Radius: 14.3

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.21 AU - 1.93 AU

Year: 1312 Days

Day: 13.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,250,789 km

• M1: 177,872 km (0.042 R)
• M2: 637,437 km (0.044 R)
• M3: 1,114,654 km (0.116 R)
• M4: 1,576,163 km (0.079 R)
• M5: 2,067,742 km (0.101 R)
• M6: 2,943,787 km (0.078 R)
• M7: 3,435,964 km (0.111 R)
• M8: 3,940,258 km (0.113 R)
• M9: 4,930,596 km (0.077 R)
• M10: 6,237,034 km (0.044 R)
• M11: 7,360,066 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.2

Radius: 8.4

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.73 AU - 1.79 AU

Year: 1557 Days

Day: 9.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,250,789 km

• M1: 105,317 km (0.102 R)
• M2: 736,919 km (0.059 R)
• M3: 1,155,644 km (0.11 R)
• M4: 1,622,239 km (0.091 R)
• M5: 2,221,379 km (0.097 R)
• M6: 2,931,969 km (0.093 R)
• M7: 3,317,034 km (0.075 R)
• M8: 3,940,408 km (0.109 R)
• M9: 4,543,138 km (0.112 R)
• M10: 4,856,695 km (0.106 R)
• M11: 5,397,342 km (0.088 R)
• M12: 5,862,890 km (0.062 R)
• M13: 6,574,078 km (0.096 R)
• M14: 7,131,181 km (0.055 R)
• M15: 8,110,299 km (0.105 R)
• M16: 8,514,363 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.1

Radius: 13.7

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.58 AU - 1.98 AU

Year: 1584 Days

Day: 13.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,250,789 km

• M1: 170,691 km (0.051 R)
• M2: 658,081 km (0.05 R)
• M3: 1,196,633 km (0.069 R)
• M4: 1,954,047 km (0.098 R)
• M5: 2,742,578 km (0.102 R)
• M6: 3,653,928 km (0.107 R)
• M7: 4,277,452 km (0.073 R)
• M8: 4,726,545 km (0.05 R)
• M9: 5,629,667 km (0.078 R)
• M10: 6,484,170 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.3

Radius: 14.2

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.05 AU - 2.53 AU

Year: 2311 Days

Day: 13.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,250,789 km

• M1: 176,525 km (0.094 R)
• M2: 649,105 km (0.101 R)
• M3: 1,156,092 km (0.032 R)
• M4: 1,915,152 km (0.071 R)
• M5: 2,668,676 km (0.111 R)
• M6: 3,183,742 km (0.075 R)
• M7: 3,957,013 km (0.062 R)
• M8: 4,436,624 km (0.096 R)
• M9: 5,208,250 km (0.115 R)
• M10: 6,382,892 km (0.057 R)
• M11: 7,954,568 km (0.105 R)
• M12: 10,104,887 km (0.063 R)
• M13: 11,187,826 km (0.06 R)
• M14: 12,002,237 km (0.075 R)
• M15: 13,832,866 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.2

Radius: 10.1

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.32 AU - 5.68 AU

Year: 8601 Days

Day: 9.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,250,789 km

• M1: 125,662 km (0.074 R)
• M2: 674,387 km (0.079 R)
• M3: 992,283 km (0.089 R)
• M4: 1,634,058 km (0.066 R)
• M5: 4,857,293 km (0.083 R)
• M6: 5,561,450 km (0.096 R)
• M7: 6,367,185 km (0.111 R)
• M8: 6,725,023 km (0.083 R)
• M9: 8,721,107 km (0.109 R)
• M10: 9,344,481 km (0.087 R)
• M11: 12,802,735 km (0.113 R)
• M12: 13,316,604 km (0.101 R)
• M13: 15,382,999 km (0.091 R)
• M14: 15,898,813 km (0.075 R)
• M15: 16,761,394 km (0.046 R)
• M16: 17,445,804 km (0.104 R)
• M17: 22,439,830 km (0.066 R)
• M18: 27,082,301 km (0.086 R)
• M19: 29,479,308 km (0.103 R)
• M20: 36,822,917 km (0.063 R)
• M21: 37,979,159 km (0.072 R)
• M22: 40,364,198 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.4

Radius: 4.6

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 6.09 AU - 7.71 AU

Year: 12087 Days

Day: 20.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,250,789 km

• M1: 57,446 km (0.112 R)
• M2: 216,468 km (0.041 R)
• M3: 578,345 km (0.082 R)
• M4: 835,055 km (0.068 R)
• M5: 1,615,956 km (0.065 R)
• M6: 1,971,251 km (0.087 R)
• M7: 2,342,254 km (0.064 R)
• M8: 2,682,739 km (0.083 R)
• M9: 2,835,628 km (0.069 R)
• M10: 3,620,268 km (0.095 R)
• M11: 6,414,906 km (0.089 R)
• M12: 7,521,931 km (0.077 R)
• M13: 8,300,288 km (0.038 R)
• M14: 8,543,834 km (0.077 R)
• M15: 8,918,127 km (0.073 R)
• M16: 9,390,558 km (0.078 R)
• M17: 10,384,785 km (0.075 R)
• M18: 11,053,039 km (0.091 R)
• M19: 12,794,208 km (0.115 R)
• M20: 14,013,581 km (0.105 R)
• M21: 17,199,566 km (0.071 R)
• M22: 18,612,369 km (0.089 R)
• M23: 21,590,563 km (0.115 R)
• M24: 24,206,731 km (0.108 R)
• M25: 25,548,025 km (0.032 R)
• M26: 26,673,749 km (0.087 R)
• M27: 29,209,882 km (0.047 R)
• M28: 30,632,558 km (0.112 R)
• M29: 34,026,933 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.7

Radius: 4.4

Gravity: 15.48 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 6.97 AU - 10.05 AU

Year: 16555 Days

Day: 19.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 58,250,789 km

• M1: 101,128 km (0.072 R)
• M2: 267,032 km (0.058 R)
• M3: 409,150 km (0.114 R)
• M4: 596,297 km (0.118 R)
• M5: 784,641 km (0.081 R)
• M6: 1,056,011 km (0.072 R)
• M7: 1,321,248 km (0.069 R)
• M8: 2,071,781 km (0.101 R)
• M9: 3,534,998 km (0.034 R)
• M10: 4,015,057 km (0.037 R)
• M11: 4,814,807 km (0.07 R)
• M12: 5,471,991 km (0.078 R)
• M13: 5,786,446 km (0.105 R)
• M14: 7,415,566 km (0.066 R)
• M15: 7,585,061 km (0.113 R)
• M16: 7,931,829 km (0.115 R)
• M17: 8,244,039 km (0.112 R)
• M18: 8,517,953 km (0.105 R)
• M19: 9,928,511 km (0.06 R)
• M20: 12,414,230 km (0.116 R)
• M21: 13,264,993 km (0.107 R)
• M22: 13,831,969 km (0.071 R)
• M23: 14,024,501 km (0.104 R)
• M24: 16,262,037 km (0.114 R)
• M25: 17,353,503 km (0.089 R)
• M26: 20,088,301 km (0.112 R)
• M27: 22,384,778 km (0.093 R)
• M28: 23,368,384 km (0.077 R)
• M29: 29,989,736 km (0.074 R)
• M30: 33,551,661 km (0.1 R)
• M31: 34,249,535 km (0.104 R)
• M32: 38,387,711 km (0.089 R)
• M33: 39,023,053 km (0.112 R)
• M34: 39,279,015 km (0.101 R)
• M35: 43,805,847 km (0.054 R)
• M36: 44,779,131 km (0.111 R)
• M37: 45,200,548 km (0.039 R)
• M38: 50,466,692 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.6

Radius: 4.8

Gravity: 14.87 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.16 AU - 10.46 AU

Year: 18943 Days

Day: 15.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,250,789 km

• M1: 59,690 km (0.079 R)
• M2: 491,130 km (0.077 R)
• M3: 670,946 km (0.09 R)
• M4: 1,913,357 km (0.118 R)
• M5: 2,150,918 km (0.102 R)
• M6: 3,007,216 km (0.082 R)
• M7: 3,896,725 km (0.066 R)
• M8: 4,188,740 km (0.105 R)
• M9: 4,816,603 km (0.115 R)
• M10: 5,050,574 km (0.102 R)
• M11: 5,948,311 km (0.071 R)
• M12: 6,575,874 km (0.092 R)
• M13: 7,117,567 km (0.115 R)
• M14: 7,465,233 km (0.117 R)
• M15: 8,289,068 km (0.091 R)
• M16: 9,953,943 km (0.062 R)
• M17: 11,950,327 km (0.049 R)
• M18: 20,536,945 km (0.065 R)
• M19: 20,975,117 km (0.085 R)
• M20: 22,419,036 km (0.042 R)
• M21: 23,354,472 km (0.079 R)
• M22: 31,910,273 km (0.063 R)
• M23: 40,944,488 km (0.07 R)
• M24: 42,339,788 km (0.035 R)
• M25: 43,049,181 km (0.111 R)
• M26: 46,866,171 km (0.074 R)
• M27: 53,169,178 km (0.083 R)
• M28: 53,498,293 km (0.072 R)
• M29: 53,994,659 km (0.096 R)
• M30: 55,840,846 km (0.092 R)
• M31: 58,250,718 km (0.091 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: 223 - 19,284 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit