🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.3

Radius: 8.5

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.69 AU - 0.77 AU

Year: 416 Days

Day: 11.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,218,406 km

• M1: 105,766 km (0.107 R)
• M2: 385,065 km (0.026 R)
• M3: 713,432 km (0.036 R)
• M4: 995,125 km (0.079 R)
• M5: 1,302,249 km (0.115 R)
• M6: 2,240,976 km (0.107 R)
• M7: 2,684,235 km (0.035 R)
• M8: 3,102,361 km (0.055 R)
• M9: 3,518,692 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834

Radius: 12.5

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.78 AU - 1.2 AU

Year: 657 Days

Day: 6.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,218,406 km

• M1: 155,432 km (0.056 R)
• M2: 622,028 km (0.109 R)
• M3: 1,214,884 km (0.079 R)
• M4: 1,869,225 km (0.11 R)
• M5: 2,614,821 km (0.093 R)
• M6: 3,362,661 km (0.092 R)
• M7: 3,816,391 km (0.088 R)
• M8: 4,326,520 km (0.098 R)
• M9: 4,797,305 km (0.094 R)
• M10: 5,230,540 km (0.11 R)
• M11: 7,255,198 km (0.041 R)
• M12: 7,781,184 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.9

Radius: 10.3

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.87 AU - 1.89 AU

Year: 1719 Days

Day: 7.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,218,406 km

• M1: 131,796 km (0.046 R)
• M2: 464,651 km (0.053 R)
• M3: 810,222 km (0.116 R)
• M4: 1,525,749 km (0.041 R)
• M5: 2,103,047 km (0.119 R)
• M6: 2,719,390 km (0.106 R)
• M7: 3,819,982 km (0.099 R)
• M8: 4,430,939 km (0.049 R)
• M9: 4,930,895 km (0.071 R)
• M10: 5,376,099 km (0.044 R)
• M11: 8,477,263 km (0.053 R)
• M12: 9,349,269 km (0.114 R)
• M13: 9,858,948 km (0.109 R)
• M14: 11,082,958 km (0.058 R)
• M15: 12,365,162 km (0.08 R)
• M16: 14,718,037 km (0.08 R)
• M17: 15,832,840 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609

Radius: 11.4

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.8 AU - 2.14 AU

Year: 1844 Days

Day: 8.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,218,406 km

• M1: 144,960 km (0.103 R)
• M2: 953,238 km (0.082 R)
• M3: 1,913,955 km (0.058 R)
• M4: 2,496,489 km (0.094 R)
• M5: 2,953,361 km (0.103 R)
• M6: 3,615,631 km (0.084 R)
• M7: 4,203,251 km (0.113 R)
• M8: 4,589,962 km (0.092 R)
• M9: 6,919,949 km (0.116 R)
• M10: 8,598,138 km (0.074 R)
• M11: 11,808,957 km (0.036 R)
• M12: 13,063,634 km (0.095 R)
• M13: 14,798,521 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.9

Radius: 8.7

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.83 AU - 6.25 AU

Year: 8695 Days

Day: 5.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,218,406 km

• M1: 108,159 km (0.056 R)
• M2: 413,040 km (0.04 R)
• M3: 735,124 km (0.09 R)
• M4: 1,090,120 km (0.114 R)
• M5: 1,430,006 km (0.107 R)
• M6: 3,445,239 km (0.118 R)
• M7: 5,063,738 km (0.114 R)
• M8: 5,339,447 km (0.093 R)
• M9: 9,438,578 km (0.091 R)
• M10: 10,095,762 km (0.084 R)
• M11: 11,659,508 km (0.11 R)
• M12: 12,142,261 km (0.059 R)
• M13: 12,750,227 km (0.051 R)
• M14: 13,378,388 km (0.086 R)
• M15: 16,496,756 km (0.09 R)
• M16: 17,869,466 km (0.063 R)
• M17: 19,316,675 km (0.064 R)
• M18: 23,022,514 km (0.096 R)
• M19: 27,083,498 km (0.083 R)
• M20: 31,494,840 km (0.064 R)
• M21: 33,065,617 km (0.102 R)
• M22: 39,631,917 km (0.031 R)
• M23: 40,845,455 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.5

Radius: 5.6

Gravity: 28.71 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.1 AU - 6.9 AU

Year: 11051 Days

Day: 20.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 45,218,406 km

• M1: 69,713 km (0.058 R)
• M2: 380,427 km (0.115 R)
• M3: 581,337 km (0.087 R)
• M4: 1,172,997 km (0.084 R)
• M5: 2,272,840 km (0.11 R)
• M6: 3,219,047 km (0.066 R)
• M7: 3,524,376 km (0.034 R)
• M8: 4,134,436 km (0.116 R)
• M9: 4,589,064 km (0.079 R)
• M10: 5,597,354 km (0.12 R)
• M11: 7,593,438 km (0.113 R)
• M12: 7,997,203 km (0.111 R)
• M13: 8,653,638 km (0.088 R)
• M14: 8,994,871 km (0.106 R)
• M15: 9,446,956 km (0.117 R)
• M16: 10,560,562 km (0.103 R)
• M17: 13,494,177 km (0.049 R)
• M18: 14,287,494 km (0.101 R)
• M19: 15,822,069 km (0.12 R)
• M20: 16,112,439 km (0.087 R)
• M21: 17,386,414 km (0.043 R)
• M22: 22,146,469 km (0.094 R)
• M23: 24,677,066 km (0.073 R)
• M24: 26,876,454 km (0.11 R)
• M25: 30,415,341 km (0.115 R)
• M26: 33,651,742 km (0.117 R)
• M27: 36,224,526 km (0.053 R)
• M28: 37,238,052 km (0.106 R)
• M29: 38,925,366 km (0.116 R)
• M30: 43,153,151 km (0.109 R)
• M31: 45,450,526 km (0.081 R)
• M32: 47,979,328 km (0.082 R)
• M33: 49,819,831 km (0.064 R)
• M34: 51,866,330 km (0.086 R)
• M35: 53,478,097 km (0.11 R)
• M36: 54,132,139 km (0.065 R)
• M37: 54,791,417 km (0.065 R)
• M38: 55,289,428 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 451

Radius: 4

Gravity: 28.19 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.07 AU - 8.69 AU

Year: 14751 Days

Day: 21.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 45,218,406 km

• M1: 49,816 km (0.12 R)
• M2: 239,357 km (0.091 R)
• M3: 414,237 km (0.109 R)
• M4: 593,754 km (0.116 R)
• M5: 732,581 km (0.098 R)
• M6: 863,329 km (0.105 R)
• M7: 1,273,377 km (0.089 R)
• M8: 1,507,348 km (0.067 R)
• M9: 1,769,444 km (0.076 R)
• M10: 2,266,557 km (0.092 R)
• M11: 2,526,708 km (0.088 R)
• M12: 3,583,168 km (0.092 R)
• M13: 3,770,465 km (0.091 R)
• M14: 4,341,929 km (0.099 R)
• M15: 5,202,266 km (0.096 R)
• M16: 5,690,553 km (0.108 R)
• M17: 6,717,244 km (0.108 R)
• M18: 7,002,377 km (0.109 R)
• M19: 7,380,710 km (0.103 R)
• M20: 8,132,439 km (0.076 R)
• M21: 10,153,058 km (0.068 R)
• M22: 10,312,828 km (0.119 R)
• M23: 11,250,358 km (0.093 R)
• M24: 13,293,117 km (0.092 R)
• M25: 19,535,388 km (0.12 R)
• M26: 22,014,673 km (0.072 R)
• M27: 24,888,299 km (0.086 R)
• M28: 29,598,238 km (0.05 R)
• M29: 36,091,833 km (0.095 R)
• M30: 37,724,095 km (0.067 R)
• M31: 39,536,324 km (0.042 R)
• M32: 41,270,313 km (0.09 R)
• M33: 44,461,086 km (0.067 R)
• M34: 50,549,719 km (0.056 R)
• M35: 50,860,134 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165

Radius: 7.8

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.12 AU - 10.32 AU

Year: 18669 Days

Day: 20.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,218,406 km

• M1: 223,499 km (0.084 R)
• M2: 728,542 km (0.098 R)
• M3: 1,467,406 km (0.118 R)
• M4: 2,612,278 km (0.096 R)
• M5: 3,416,067 km (0.089 R)
• M6: 3,862,467 km (0.078 R)
• M7: 5,405,420 km (0.073 R)
• M8: 7,604,060 km (0.058 R)
• M9: 7,894,429 km (0.082 R)
• M10: 11,759,739 km (0.032 R)
• M11: 34,889,963 km (0.074 R)
• M12: 35,924,433 km (0.065 R)
• M13: 36,979,247 km (0.038 R)
• M14: 37,574,048 km (0.042 R)
• M15: 44,011,095 km (0.105 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 19,090 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit