🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895

Radius: 8

Gravity: 13.98 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.29 AU - 1.85 AU

Year: 1383 Days

Day: 14.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,653,775 km

• M1: 157,527 km (0.095 R)
• M2: 924,814 km (0.111 R)
• M3: 1,966,913 km (0.087 R)
• M4: 2,582,358 km (0.112 R)
• M5: 3,045,065 km (0.117 R)
• M6: 3,678,761 km (0.114 R)
• M7: 4,397,429 km (0.082 R)
• M8: 4,830,814 km (0.09 R)
• M9: 5,601,393 km (0.072 R)
• M10: 6,158,944 km (0.09 R)
• M11: 6,600,856 km (0.065 R)
• M12: 7,411,527 km (0.082 R)
• M13: 8,141,415 km (0.092 R)
• M14: 8,493,868 km (0.102 R)
• M15: 8,979,911 km (0.111 R)
• M16: 9,940,779 km (0.117 R)
• M17: 10,343,795 km (0.086 R)
• M18: 11,182,590 km (0.079 R)
• M19: 12,719,110 km (0.082 R)
• M20: 13,234,475 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.4

Radius: 10

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.18 AU - 2.36 AU

Year: 2404 Days

Day: 12.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 146.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,653,775 km

• M1: 124,316 km (0.084 R)
• M2: 749,336 km (0.075 R)
• M3: 1,242,859 km (0.034 R)
• M4: 1,965,716 km (0.118 R)
• M5: 3,279,335 km (0.116 R)
• M6: 5,063,439 km (0.104 R)
• M7: 6,072,776 km (0.077 R)
• M8: 7,185,485 km (0.106 R)
• M9: 7,790,309 km (0.116 R)
• M10: 8,258,999 km (0.089 R)
• M11: 9,222,559 km (0.043 R)
• M12: 10,097,407 km (0.115 R)
• M13: 11,441,844 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.8

Radius: 13.2

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.09 AU - 3.23 AU

Year: 3949 Days

Day: 12.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,653,775 km

• M1: 187,297 km (0.084 R)
• M2: 909,854 km (0.115 R)
• M3: 1,518,418 km (0.106 R)
• M4: 2,036,775 km (0.101 R)
• M5: 2,907,285 km (0.111 R)
• M6: 3,576,436 km (0.106 R)
• M7: 4,771,424 km (0.063 R)
• M8: 8,759,404 km (0.034 R)
• M9: 10,657,502 km (0.027 R)
• M10: 20,625,956 km (0.056 R)
• M11: 21,426,454 km (0.096 R)
• M12: 22,247,747 km (0.06 R)
• M13: 24,837,585 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.2

Radius: 6.8

Gravity: 14.1 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.47 AU - 7.13 AU

Year: 11115 Days

Day: 16.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,653,775 km

• M1: 84,672 km (0.064 R)
• M2: 319,840 km (0.109 R)
• M3: 593,604 km (0.104 R)
• M4: 1,381,387 km (0.081 R)
• M5: 3,515,400 km (0.092 R)
• M6: 3,962,399 km (0.111 R)
• M7: 5,196,432 km (0.111 R)
• M8: 5,601,543 km (0.112 R)
• M9: 5,955,042 km (0.028 R)
• M10: 6,984,425 km (0.104 R)
• M11: 7,776,546 km (0.098 R)
• M12: 8,488,931 km (0.1 R)
• M13: 12,007,473 km (0.118 R)
• M14: 16,751,371 km (0.088 R)
• M15: 18,704,371 km (0.113 R)
• M16: 22,346,930 km (0.113 R)
• M17: 22,611,269 km (0.11 R)
• M18: 22,877,554 km (0.111 R)
• M19: 30,670,855 km (0.054 R)
• M20: 31,326,243 km (0.099 R)
• M21: 32,891,785 km (0.116 R)
• M22: 35,815,974 km (0.075 R)
• M23: 36,178,001 km (0.1 R)
• M24: 38,150,898 km (0.06 R)
• M25: 41,640,717 km (0.114 R)
• M26: 45,056,485 km (0.114 R)
• M27: 46,187,894 km (0.111 R)
• M28: 48,066,394 km (0.087 R)

Asteroid Belt

Center: 7.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 310

Radius: 3.9

Gravity: 20.38 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.43 AU - 10.65 AU

Year: 17543 Days

Day: 21.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,653,775 km

• M1: 48,470 km (0.072 R)
• M2: 255,513 km (0.069 R)
• M3: 445,054 km (0.111 R)
• M4: 742,604 km (0.104 R)
• M5: 988,543 km (0.076 R)
• M6: 2,341,506 km (0.086 R)
• M7: 3,053,143 km (0.058 R)
• M8: 6,417,749 km (0.039 R)
• M9: 7,184,587 km (0.05 R)
• M10: 8,146,502 km (0.066 R)
• M11: 10,429,216 km (0.086 R)
• M12: 15,989,768 km (0.093 R)
• M13: 21,197,121 km (0.093 R)
• M14: 25,136,033 km (0.115 R)
• M15: 28,364,953 km (0.096 R)
• M16: 28,893,183 km (0.039 R)
• M17: 33,008,172 km (0.06 R)
• M18: 34,661,677 km (0.111 R)
• M19: 39,689,063 km (0.087 R)
• M20: 46,191,335 km (0.085 R)
• M21: 48,407,029 km (0.105 R)
• M22: 51,470,045 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.4

Radius: 6.8

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.01 AU - 11.21 AU

Year: 20941 Days

Day: 23 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,653,775 km

• M1: 84,523 km (0.089 R)
• M2: 390,600 km (0.117 R)
• M3: 983,905 km (0.078 R)
• M4: 3,000,185 km (0.118 R)
• M5: 3,947,140 km (0.118 R)
• M6: 4,321,583 km (0.086 R)
• M7: 5,018,261 km (0.119 R)
• M8: 5,522,854 km (0.076 R)
• M9: 7,760,988 km (0.059 R)
• M10: 8,349,057 km (0.076 R)
• M11: 8,610,105 km (0.104 R)
• M12: 9,519,511 km (0.086 R)
• M13: 12,631,147 km (0.109 R)
• M14: 14,353,317 km (0.082 R)
• M15: 22,061,198 km (0.08 R)
• M16: 23,409,823 km (0.106 R)
• M17: 26,737,328 km (0.05 R)
• M18: 28,858,177 km (0.027 R)
• M19: 29,959,666 km (0.04 R)
• M20: 31,506,359 km (0.095 R)
• M21: 32,139,756 km (0.07 R)
• M22: 38,227,043 km (0.112 R)
• M23: 38,706,205 km (0.093 R)
• M24: 43,201,621 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346.8

Radius: 5.3

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 10.04 AU - 10.14 AU

Year: 22529 Days

Day: 22.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,653,775 km

• M1: 67,319 km (0.111 R)
• M2: 461,360 km (0.111 R)
• M3: 3,075,283 km (0.104 R)
• M4: 5,577,158 km (0.102 R)
• M5: 6,617,911 km (0.094 R)
• M6: 8,512,867 km (0.047 R)
• M7: 9,288,083 km (0.116 R)
• M8: 10,918,700 km (0.117 R)
• M9: 11,157,608 km (0.107 R)
• M10: 12,534,806 km (0.071 R)
• M11: 12,929,146 km (0.101 R)
• M12: 13,881,635 km (0.073 R)
• M13: 17,178,922 km (0.103 R)
• M14: 17,829,673 km (0.104 R)
• M15: 18,161,182 km (0.098 R)
• M16: 18,496,879 km (0.102 R)
• M17: 18,836,616 km (0.092 R)
• M18: 23,540,571 km (0.097 R)
• M19: 25,060,037 km (0.045 R)
• M20: 27,405,133 km (0.056 R)
• M21: 33,646,955 km (0.051 R)
• M22: 36,361,408 km (0.114 R)
• M23: 36,894,575 km (0.04 R)
• M24: 40,061,412 km (0.058 R)
• M25: 40,773,049 km (0.099 R)
• M26: 49,654,076 km (0.111 R)
• M27: 56,655,257 km (0.092 R)
• M28: 64,286,095 km (0.072 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: 417 - 14,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit