🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569

Radius: 11.7

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.9 AU - 1.12 AU

Year: 677 Days

Day: 11.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 129 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,430,368 km

• M1: 145,559 km (0.104 R)
• M2: 611,706 km (0.118 R)
• M3: 1,062,743 km (0.071 R)
• M4: 1,483,113 km (0.095 R)
• M5: 2,006,706 km (0.084 R)
• M6: 2,392,369 km (0.113 R)
• M7: 2,794,189 km (0.1 R)
• M8: 4,479,409 km (0.092 R)
• M9: 4,994,325 km (0.107 R)
• M10: 5,371,162 km (0.091 R)
• M11: 5,953,397 km (0.093 R)
• M12: 7,308,903 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.3

Radius: 8.6

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.86 AU - 1.32 AU

Year: 759 Days

Day: 13.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,430,368 km

• M1: 106,962 km (0.094 R)
• M2: 484,847 km (0.049 R)
• M3: 961,615 km (0.089 R)
• M4: 1,301,651 km (0.106 R)
• M5: 1,721,722 km (0.108 R)
• M6: 2,184,279 km (0.098 R)
• M7: 4,110,949 km (0.077 R)
• M8: 6,168,519 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.1

Radius: 13

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.05 AU - 1.29 AU

Year: 844 Days

Day: 6.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 57,430,368 km

• M1: 163,660 km (0.077 R)
• M2: 633,248 km (0.07 R)
• M3: 1,267,692 km (0.071 R)
• M4: 2,371,126 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.8

Radius: 10.3

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.61 AU - 1.63 AU

Year: 1375 Days

Day: 11.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,430,368 km

• M1: 128,056 km (0.053 R)
• M2: 519,254 km (0.076 R)
• M3: 876,943 km (0.051 R)
• M4: 1,201,271 km (0.114 R)
• M5: 1,987,109 km (0.047 R)
• M6: 2,384,141 km (0.109 R)
• M7: 3,216,055 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.4

Radius: 10.6

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.53 AU - 4.29 AU

Year: 5156 Days

Day: 7 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,430,368 km

• M1: 131,796 km (0.074 R)
• M2: 595,400 km (0.087 R)
• M3: 1,963,622 km (0.095 R)
• M4: 2,656,559 km (0.083 R)
• M5: 2,991,808 km (0.066 R)
• M6: 3,592,593 km (0.079 R)
• M7: 4,842,932 km (0.052 R)
• M8: 8,374,339 km (0.045 R)
• M9: 9,439,326 km (0.092 R)
• M10: 10,965,225 km (0.028 R)
• M11: 12,340,478 km (0.112 R)
• M12: 16,523,982 km (0.059 R)
• M13: 17,089,911 km (0.081 R)
• M14: 19,553,339 km (0.097 R)
• M15: 20,833,598 km (0.11 R)
• M16: 21,198,916 km (0.049 R)
• M17: 22,168,759 km (0.09 R)
• M18: 25,588,117 km (0.117 R)
• M19: 26,945,419 km (0.042 R)
• M20: 27,379,402 km (0.094 R)
• M21: 27,817,874 km (0.106 R)
• M22: 28,439,602 km (0.07 R)
• M23: 29,619,032 km (0.086 R)
• M24: 30,642,132 km (0.049 R)
• M25: 31,305,449 km (0.1 R)
• M26: 32,366,995 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.7

Radius: 13.8

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.11 AU - 5.07 AU

Year: 6558 Days

Day: 7.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,430,368 km

• M1: 394,490 km (0.082 R)
• M2: 1,481,767 km (0.088 R)
• M3: 3,427,886 km (0.113 R)
• M4: 4,930,147 km (0.095 R)
• M5: 8,485,490 km (0.106 R)
• M6: 9,434,689 km (0.106 R)
• M7: 10,063,150 km (0.046 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.8

Radius: 4

Gravity: 45.18 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 6.3 AU - 7.4 AU

Year: 11955 Days

Day: 22.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,430,368 km

• M1: 49,816 km (0.081 R)
• M2: 338,989 km (0.116 R)
• M3: 837,748 km (0.045 R)
• M4: 1,154,896 km (0.1 R)
• M5: 1,517,820 km (0.069 R)
• M6: 1,832,574 km (0.08 R)
• M7: 2,189,365 km (0.098 R)
• M8: 2,324,601 km (0.115 R)
• M9: 3,232,960 km (0.105 R)
• M10: 4,601,631 km (0.111 R)
• M11: 5,824,743 km (0.119 R)
• M12: 9,955,140 km (0.088 R)
• M13: 10,545,004 km (0.101 R)
• M14: 11,912,329 km (0.102 R)
• M15: 12,393,286 km (0.057 R)
• M16: 14,312,028 km (0.078 R)
• M17: 15,838,824 km (0.119 R)
• M18: 16,641,566 km (0.116 R)
• M19: 17,015,262 km (0.108 R)
• M20: 18,486,407 km (0.114 R)
• M21: 18,806,547 km (0.116 R)
• M22: 20,463,044 km (0.084 R)
• M23: 21,856,399 km (0.117 R)
• M24: 25,613,848 km (0.071 R)
• M25: 28,063,214 km (0.106 R)
• M26: 29,344,370 km (0.072 R)
• M27: 33,068,011 km (0.05 R)
• M28: 34,255,519 km (0.109 R)
• M29: 37,348,455 km (0.099 R)
• M30: 38,896,942 km (0.093 R)
• M31: 43,656,997 km (0.097 R)
• M32: 48,639,055 km (0.096 R)
• M33: 51,266,293 km (0.054 R)
• M34: 54,804,582 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 58.3

Radius: 4.1

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.77 AU - 7.81 AU

Year: 13126 Days

Day: 20.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,430,368 km

• M1: 504,594 km (0.093 R)
• M2: 1,095,804 km (0.046 R)
• M3: 3,701,051 km (0.115 R)
• M4: 3,979,004 km (0.074 R)
• M5: 6,004,859 km (0.11 R)
• M6: 11,567,057 km (0.094 R)
• M7: 12,725,543 km (0.096 R)
• M8: 22,021,555 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 418

Radius: 6.9

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 8.21 AU - 8.97 AU

Year: 16789 Days

Day: 19.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,430,368 km

• M1: 85,869 km (0.076 R)
• M2: 387,907 km (0.067 R)
• M3: 655,687 km (0.079 R)
• M4: 3,158,460 km (0.108 R)
• M5: 4,067,117 km (0.074 R)
• M6: 5,346,179 km (0.115 R)
• M7: 7,559,180 km (0.117 R)
• M8: 7,918,514 km (0.11 R)
• M9: 11,684,491 km (0.105 R)
• M10: 14,699,487 km (0.072 R)
• M11: 15,906,891 km (0.109 R)
• M12: 17,102,328 km (0.106 R)
• M13: 17,958,177 km (0.117 R)
• M14: 20,437,164 km (0.037 R)
• M15: 22,029,184 km (0.093 R)
• M16: 24,667,193 km (0.097 R)
• M17: 26,675,544 km (0.032 R)
• M18: 34,562,045 km (0.117 R)
• M19: 42,029,522 km (0.097 R)
• M20: 45,177,510 km (0.034 R)
• M21: 47,715,288 km (0.106 R)
• M22: 49,718,852 km (0.047 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 16,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit