🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.6

Radius: 13.1

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.82 AU - 0.98 AU

Year: 579 Days

Day: 11.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,873,384 km

• M1: 163,062 km (0.032 R)
• M2: 573,409 km (0.088 R)
• M3: 1,017,714 km (0.098 R)
• M4: 1,465,910 km (0.075 R)
• M5: 1,916,648 km (0.09 R)
• M6: 2,420,494 km (0.047 R)
• M7: 3,060,024 km (0.076 R)
• M8: 3,551,603 km (0.104 R)
• M9: 4,037,796 km (0.081 R)
• M10: 4,599,835 km (0.117 R)
• M11: 5,353,659 km (0.096 R)
• M12: 6,014,882 km (0.1 R)
• M13: 6,750,454 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.7

Radius: 8.1

Gravity: 14.19 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.9 AU - 0.94 AU

Year: 599 Days

Day: 11.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,873,384 km

• M1: 101,278 km (0.095 R)
• M2: 353,949 km (0.055 R)
• M3: 686,654 km (0.058 R)
• M4: 1,015,919 km (0.113 R)
• M5: 1,532,331 km (0.109 R)
• M6: 1,807,741 km (0.111 R)
• M7: 2,078,214 km (0.036 R)
• M8: 3,286,067 km (0.103 R)
• M9: 3,608,450 km (0.11 R)
• M10: 4,270,122 km (0.056 R)
• M11: 4,540,146 km (0.108 R)
• M12: 5,027,536 km (0.112 R)
• M13: 5,328,975 km (0.088 R)
• M14: 5,623,833 km (0.109 R)
• M15: 6,047,045 km (0.081 R)
• M16: 6,658,152 km (0.101 R)
• M17: 7,088,097 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.9

Radius: 13.7

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.43 AU - 2.29 AU

Year: 1721 Days

Day: 13.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,873,384 km

• M1: 170,542 km (0.111 R)
• M2: 669,899 km (0.119 R)
• M3: 1,164,619 km (0.118 R)
• M4: 1,595,461 km (0.105 R)
• M5: 2,304,555 km (0.112 R)
• M6: 2,913,119 km (0.108 R)
• M7: 3,475,757 km (0.076 R)
• M8: 4,319,489 km (0.04 R)
• M9: 4,884,520 km (0.089 R)
• M10: 5,498,769 km (0.12 R)
• M11: 6,802,963 km (0.096 R)
• M12: 7,656,269 km (0.116 R)
• M13: 8,395,433 km (0.077 R)
• M14: 9,476,726 km (0.083 R)
• M15: 11,838,128 km (0.114 R)
• M16: 14,480,176 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.2

Radius: 9.3

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.7 AU - 2.46 AU

Year: 2035 Days

Day: 6.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,873,384 km

• M1: 115,639 km (0.044 R)
• M2: 404,961 km (0.101 R)
• M3: 828,772 km (0.072 R)
• M4: 1,300,903 km (0.099 R)
• M5: 1,827,787 km (0.116 R)
• M6: 2,501,576 km (0.11 R)
• M7: 2,856,871 km (0.058 R)
• M8: 3,550,406 km (0.086 R)
• M9: 5,390,759 km (0.116 R)
• M10: 6,507,059 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.9

Radius: 8.4

Gravity: 11.51 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.75 AU - 2.51 AU

Year: 2108 Days

Day: 7.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,873,384 km

• M1: 105,018 km (0.092 R)
• M2: 436,975 km (0.09 R)
• M3: 752,328 km (0.064 R)
• M4: 1,108,221 km (0.051 R)
• M5: 1,447,060 km (0.057 R)
• M6: 2,219,135 km (0.117 R)
• M7: 3,554,296 km (0.119 R)
• M8: 3,963,446 km (0.064 R)
• M9: 4,831,862 km (0.073 R)
• M10: 5,171,000 km (0.12 R)
• M11: 5,821,601 km (0.086 R)
• M12: 6,338,013 km (0.116 R)
• M13: 6,997,440 km (0.114 R)
• M14: 7,823,819 km (0.054 R)
• M15: 8,324,374 km (0.098 R)
• M16: 8,979,911 km (0.11 R)
• M17: 9,990,894 km (0.109 R)
• M18: 12,362,469 km (0.076 R)
• M19: 13,041,643 km (0.093 R)
• M20: 13,478,768 km (0.093 R)
• M21: 14,660,891 km (0.106 R)
• M22: 14,990,604 km (0.073 R)
• M23: 15,664,991 km (0.037 R)
• M24: 16,663,108 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.6

Radius: 14.4

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.53 AU - 4.07 AU

Year: 4066 Days

Day: 9.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,873,384 km

• M1: 200,012 km (0.104 R)
• M2: 1,075,309 km (0.112 R)
• M3: 1,770,640 km (0.099 R)
• M4: 2,662,693 km (0.108 R)
• M5: 4,206,991 km (0.064 R)
• M6: 5,162,772 km (0.029 R)
• M7: 5,930,957 km (0.107 R)
• M8: 8,390,047 km (0.081 R)
• M9: 9,639,339 km (0.079 R)
• M10: 12,505,634 km (0.118 R)
• M11: 17,694,586 km (0.113 R)
• M12: 19,682,293 km (0.026 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.1

Radius: 10.4

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.74 AU - 4.32 AU

Year: 5487 Days

Day: 14.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 39,873,384 km

• M1: 133,890 km (0.082 R)
• M2: 502,350 km (0.094 R)
• M3: 849,417 km (0.082 R)
• M4: 1,242,410 km (0.078 R)
• M5: 1,621,791 km (0.082 R)
• M6: 2,026,902 km (0.094 R)
• M7: 2,667,480 km (0.105 R)
• M8: 3,027,113 km (0.091 R)
• M9: 3,570,303 km (0.062 R)
• M10: 4,029,867 km (0.108 R)
• M11: 4,394,737 km (0.087 R)
• M12: 5,117,145 km (0.075 R)
• M13: 5,729,299 km (0.091 R)
• M14: 7,254,450 km (0.072 R)
• M15: 7,927,939 km (0.077 R)
• M16: 10,279,169 km (0.068 R)
• M17: 13,529,482 km (0.104 R)
• M18: 14,500,073 km (0.107 R)
• M19: 15,568,501 km (0.069 R)
• M20: 17,129,255 km (0.112 R)
• M21: 17,690,995 km (0.055 R)
• M22: 19,570,992 km (0.092 R)
• M23: 20,811,607 km (0.111 R)
• M24: 21,710,690 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.2

Radius: 7.3

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.15 AU - 6.39 AU

Year: 9401 Days

Day: 18.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 39,873,384 km

• M1: 91,554 km (0.096 R)
• M2: 322,832 km (0.076 R)
• M3: 814,560 km (0.107 R)
• M4: 1,101,788 km (0.118 R)
• M5: 1,346,082 km (0.089 R)
• M6: 1,696,141 km (0.087 R)
• M7: 2,138,801 km (0.1 R)
• M8: 2,432,611 km (0.088 R)
• M9: 3,059,276 km (0.11 R)
• M10: 3,479,646 km (0.081 R)
• M11: 4,247,532 km (0.08 R)
• M12: 5,814,570 km (0.119 R)
• M13: 6,047,045 km (0.084 R)
• M14: 6,495,390 km (0.116 R)
• M15: 9,664,172 km (0.035 R)
• M16: 10,865,443 km (0.119 R)
• M17: 11,219,092 km (0.115 R)
• M18: 12,109,499 km (0.113 R)
• M19: 12,654,933 km (0.048 R)
• M20: 13,619,540 km (0.103 R)
• M21: 14,269,393 km (0.065 R)
• M22: 15,439,996 km (0.057 R)
• M23: 16,081,322 km (0.092 R)
• M24: 18,323,645 km (0.114 R)
• M25: 19,482,579 km (0.074 R)
• M26: 21,706,202 km (0.117 R)
• M27: 24,264,475 km (0.089 R)
• M28: 30,666,666 km (0.03 R)
• M29: 31,576,819 km (0.107 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: 391 - 12,179 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit