🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.9

Radius: 8

Gravity: 13.64 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.63 AU - 0.77 AU

Year: 391 Days

Day: 10.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,216,722 km

• M1: 100,530 km (0.119 R)
• M2: 387,907 km (0.114 R)
• M3: 642,672 km (0.065 R)
• M4: 893,698 km (0.108 R)
• M5: 1,223,711 km (0.118 R)
• M6: 1,670,709 km (0.112 R)
• M7: 2,187,121 km (0.108 R)
• M8: 2,541,668 km (0.086 R)
• M9: 3,536,494 km (0.032 R)
• M10: 4,402,067 km (0.043 R)
• M11: 4,846,373 km (0.114 R)
• M12: 5,174,890 km (0.076 R)
• M13: 5,534,972 km (0.09 R)
• M14: 5,946,665 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.2

Radius: 10.2

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.72 AU - 0.9 AU

Year: 486 Days

Day: 10.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,216,722 km

• M1: 126,859 km (0.102 R)
• M2: 455,226 km (0.106 R)
• M3: 839,992 km (0.059 R)
• M4: 1,261,110 km (0.082 R)
• M5: 1,651,560 km (0.049 R)
• M6: 2,390,873 km (0.113 R)
• M7: 2,846,997 km (0.081 R)
• M8: 3,175,364 km (0.114 R)
• M9: 3,715,712 km (0.066 R)
• M10: 4,055,149 km (0.093 R)
• M11: 4,797,155 km (0.116 R)
• M12: 5,362,036 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.5

Radius: 11.1

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.91 AU - 1.01 AU

Year: 627 Days

Day: 8.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,216,722 km

• M1: 138,228 km (0.098 R)
• M2: 645,964 km (0.113 R)
• M3: 1,010,384 km (0.107 R)
• M4: 1,360,293 km (0.115 R)
• M5: 1,843,943 km (0.086 R)
• M6: 2,535,983 km (0.085 R)
• M7: 2,978,793 km (0.11 R)
• M8: 3,459,900 km (0.116 R)
• M9: 4,643,668 km (0.086 R)
• M10: 5,257,318 km (0.091 R)
• M11: 5,982,269 km (0.11 R)
• M12: 6,359,106 km (0.066 R)
• M13: 7,226,475 km (0.09 R)
• M14: 7,886,201 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.4

Radius: 13.7

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.19 AU - 1.43 AU

Year: 1000 Days

Day: 14.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 117.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,216,722 km

• M1: 170,392 km (0.115 R)
• M2: 598,691 km (0.095 R)
• M3: 1,092,812 km (0.104 R)
• M4: 2,224,820 km (0.112 R)
• M5: 2,923,591 km (0.09 R)
• M6: 4,074,747 km (0.042 R)
• M7: 4,808,824 km (0.067 R)
• M8: 5,390,610 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.3

Radius: 11.4

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.34 AU - 3.76 AU

Year: 4460 Days

Day: 14 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,216,722 km

• M1: 141,819 km (0.085 R)
• M2: 549,623 km (0.116 R)
• M3: 1,950,457 km (0.094 R)
• M4: 2,415,706 km (0.117 R)
• M5: 3,303,271 km (0.11 R)
• M6: 4,250,674 km (0.066 R)
• M7: 4,827,224 km (0.09 R)
• M8: 5,455,535 km (0.114 R)
• M9: 5,954,294 km (0.104 R)
• M10: 6,451,408 km (0.107 R)
• M11: 7,283,472 km (0.12 R)
• M12: 8,073,647 km (0.119 R)
• M13: 9,282,997 km (0.112 R)
• M14: 10,343,197 km (0.098 R)
• M15: 10,925,581 km (0.111 R)
• M16: 13,163,715 km (0.116 R)
• M17: 13,688,056 km (0.037 R)
• M18: 17,568,026 km (0.107 R)
• M19: 19,792,995 km (0.099 R)
• M20: 24,245,028 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.6

Radius: 13.3

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.94 AU - 6 AU

Year: 7389 Days

Day: 10.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,216,722 km

• M1: 165,455 km (0.1 R)
• M2: 627,713 km (0.101 R)
• M3: 2,375,764 km (0.038 R)
• M4: 3,913,929 km (0.113 R)
• M5: 4,751,228 km (0.108 R)
• M6: 5,352,462 km (0.055 R)
• M7: 8,198,113 km (0.119 R)
• M8: 9,708,902 km (0.1 R)
• M9: 10,580,309 km (0.04 R)
• M10: 11,609,094 km (0.111 R)
• M11: 12,202,848 km (0.106 R)
• M12: 15,805,165 km (0.027 R)
• M13: 16,602,521 km (0.077 R)
• M14: 17,356,794 km (0.115 R)
• M15: 18,567,340 km (0.117 R)
• M16: 19,007,756 km (0.115 R)
• M17: 19,757,391 km (0.055 R)
• M18: 22,537,218 km (0.119 R)
• M19: 22,954,596 km (0.117 R)
• M20: 26,667,316 km (0.064 R)
• M21: 29,255,060 km (0.083 R)
• M22: 36,506,368 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 732.4

Radius: 7.4

Gravity: 13.37 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.19 AU - 9.27 AU

Year: 14332 Days

Day: 23.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,216,722 km

• M1: 92,451 km (0.1 R)
• M2: 346,917 km (0.093 R)
• M3: 1,249,741 km (0.042 R)
• M4: 2,515,638 km (0.099 R)
• M5: 4,442,758 km (0.066 R)
• M6: 4,867,765 km (0.094 R)
• M7: 6,387,530 km (0.098 R)
• M8: 6,633,918 km (0.113 R)
• M9: 11,194,109 km (0.088 R)
• M10: 12,419,765 km (0.079 R)
• M11: 12,999,457 km (0.114 R)
• M12: 13,529,931 km (0.107 R)
• M13: 17,019,899 km (0.111 R)
• M14: 21,430,793 km (0.087 R)
• M15: 26,024,195 km (0.107 R)
• M16: 36,051,292 km (0.048 R)
• M17: 36,965,484 km (0.048 R)
• M18: 40,777,238 km (0.073 R)
• M19: 45,899,918 km (0.116 R)
• M20: 54,448,389 km (0.102 R)
• M21: 57,223,579 km (0.12 R)

Asteroid Belt

Center: 8.01 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.8

Radius: 3.8

Gravity: 36.97 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 6.84 AU - 9.72 AU

Year: 15888 Days

Day: 20 Hours

Environment

Temp: -239 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 86,216,722 km

• M1: 47,871 km (0.072 R)
• M2: 208,390 km (0.091 R)
• M3: 403,166 km (0.113 R)
• M4: 677,529 km (0.097 R)
• M5: 1,089,970 km (0.111 R)
• M6: 1,800,710 km (0.081 R)
• M7: 2,069,537 km (0.108 R)
• M8: 2,965,479 km (0.081 R)
• M9: 3,634,630 km (0.118 R)
• M10: 4,244,092 km (0.112 R)
• M11: 4,818,697 km (0.076 R)
• M12: 6,159,393 km (0.101 R)
• M13: 6,601,455 km (0.079 R)
• M14: 6,809,246 km (0.096 R)
• M15: 7,639,066 km (0.112 R)
• M16: 8,436,871 km (0.036 R)
• M17: 10,141,090 km (0.057 R)
• M18: 11,044,512 km (0.1 R)
• M19: 12,309,960 km (0.085 R)
• M20: 14,419,140 km (0.05 R)
• M21: 14,981,778 km (0.115 R)
• M22: 17,457,772 km (0.103 R)
• M23: 18,585,890 km (0.12 R)
• M24: 19,167,826 km (0.095 R)
• M25: 20,106,552 km (0.09 R)
• M26: 21,891,255 km (0.062 R)
• M27: 25,466,195 km (0.114 R)
• M28: 26,183,667 km (0.092 R)
• M29: 35,110,919 km (0.091 R)
• M30: 35,616,560 km (0.071 R)
• M31: 39,565,346 km (0.095 R)
• M32: 47,543,849 km (0.063 R)
• M33: 50,691,837 km (0.042 R)
• M34: 51,499,965 km (0.078 R)
• M35: 54,988,138 km (0.109 R)
• M36: 56,184,921 km (0.107 R)
• M37: 58,100,522 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.7

Radius: 5.3

Gravity: 25.12 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 10.55 AU - 11.11 AU

Year: 23767 Days

Day: 17 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 86,216,722 km

• M1: 65,973 km (0.094 R)
• M2: 425,456 km (0.063 R)
• M3: 1,169,706 km (0.111 R)
• M4: 1,395,898 km (0.05 R)
• M5: 1,936,844 km (0.104 R)
• M6: 3,985,736 km (0.057 R)
• M7: 5,960,129 km (0.102 R)
• M8: 6,312,881 km (0.117 R)
• M9: 6,540,269 km (0.034 R)
• M10: 11,628,841 km (0.048 R)
• M11: 16,443,948 km (0.051 R)
• M12: 18,213,092 km (0.115 R)
• M13: 19,049,194 km (0.039 R)
• M14: 19,620,509 km (0.078 R)
• M15: 20,301,478 km (0.1 R)
• M16: 22,020,657 km (0.053 R)
• M17: 22,968,958 km (0.101 R)
• M18: 24,609,448 km (0.113 R)
• M19: 25,286,977 km (0.065 R)
• M20: 29,111,895 km (0.084 R)
• M21: 31,030,638 km (0.094 R)
• M22: 35,688,666 km (0.047 R)
• M23: 37,586,315 km (0.102 R)
• M24: 38,183,361 km (0.108 R)
• M25: 40,167,776 km (0.103 R)
• M26: 45,007,417 km (0.083 R)
• M27: 46,703,109 km (0.085 R)
• M28: 48,440,987 km (0.113 R)
• M29: 50,221,501 km (0.1 R)
• M30: 51,493,382 km (0.029 R)
• M31: 59,579,446 km (0.069 R)
• M32: 60,187,412 km (0.078 R)
• M33: 67,369,456 km (0.091 R)
• M34: 70,485,580 km (0.05 R)
• M35: 73,696,399 km (0.109 R)
• M36: 85,958,488 km (0.098 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 13,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit