🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.7

Radius: 8.1

Gravity: 14.83 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.67 AU - 0.67 AU

Year: 366 Days

Day: 13.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,499,517 km

• M1: 100,679 km (0.105 R)
• M2: 457,620 km (0.111 R)
• M3: 718,219 km (0.083 R)
• M4: 994,227 km (0.094 R)
• M5: 1,659,190 km (0.12 R)
• M6: 1,992,793 km (0.087 R)
• M7: 2,260,573 km (0.058 R)
• M8: 2,723,429 km (0.106 R)
• M9: 3,054,938 km (0.088 R)
• M10: 3,461,396 km (0.057 R)
• M11: 4,512,470 km (0.045 R)
• M12: 4,962,909 km (0.061 R)
• M13: 5,475,880 km (0.047 R)
• M14: 5,918,541 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.8

Radius: 13.4

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.57 AU - 0.81 AU

Year: 382 Days

Day: 7.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,499,517 km

• M1: 166,652 km (0.079 R)
• M2: 638,783 km (0.086 R)
• M3: 1,137,393 km (0.103 R)
• M4: 1,581,100 km (0.09 R)
• M5: 2,000,124 km (0.117 R)
• M6: 2,440,839 km (0.09 R)
• M7: 3,050,151 km (0.029 R)
• M8: 3,557,886 km (0.11 R)
• M9: 4,186,945 km (0.103 R)
• M10: 4,745,544 km (0.095 R)
• M11: 5,200,620 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.6

Radius: 13.8

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.09 AU - 1.11 AU

Year: 769 Days

Day: 13.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,499,517 km

• M1: 173,085 km (0.044 R)
• M2: 804,986 km (0.111 R)
• M3: 1,407,267 km (0.093 R)
• M4: 1,944,024 km (0.076 R)
• M5: 2,686,479 km (0.095 R)
• M6: 3,120,163 km (0.108 R)
• M7: 3,568,807 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.2

Radius: 14.4

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.59 AU - 1.87 AU

Year: 1517 Days

Day: 6.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,499,517 km

• M1: 179,069 km (0.053 R)
• M2: 864,227 km (0.085 R)
• M3: 1,355,058 km (0.111 R)
• M4: 2,083,001 km (0.045 R)
• M5: 3,086,952 km (0.057 R)
• M6: 3,562,823 km (0.085 R)
• M7: 6,440,488 km (0.073 R)
• M8: 7,492,759 km (0.091 R)

Asteroid Belt

Center: 2.48 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.4

Radius: 13.9

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.98 AU - 3.46 AU

Year: 3853 Days

Day: 6.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,499,517 km

• M1: 173,384 km (0.054 R)
• M2: 838,795 km (0.097 R)
• M3: 1,285,345 km (0.119 R)
• M4: 1,784,254 km (0.083 R)
• M5: 4,005,483 km (0.087 R)
• M6: 7,582,069 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.5

Radius: 5

Gravity: 31.26 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.34 AU - 7.88 AU

Year: 13999 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,499,517 km

• M1: 62,981 km (0.054 R)
• M2: 1,393,055 km (0.098 R)
• M3: 1,821,354 km (0.114 R)
• M4: 3,337,828 km (0.091 R)
• M5: 3,950,581 km (0.1 R)
• M6: 5,075,407 km (0.105 R)
• M7: 5,323,739 km (0.087 R)
• M8: 5,806,193 km (0.113 R)
• M9: 8,174,327 km (0.106 R)
• M10: 9,976,832 km (0.092 R)
• M11: 10,999,782 km (0.06 R)
• M12: 22,378,645 km (0.061 R)
• M13: 22,758,474 km (0.119 R)
• M14: 26,584,140 km (0.104 R)
• M15: 30,351,912 km (0.091 R)
• M16: 31,169,464 km (0.105 R)
• M17: 38,924,917 km (0.066 R)
• M18: 41,295,146 km (0.062 R)
• M19: 42,443,010 km (0.079 R)
• M20: 54,599,782 km (0.096 R)
• M21: 58,098,577 km (0.111 R)
• M22: 58,277,347 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.7

Radius: 6.1

Gravity: 7.84 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 8.08 AU - 9.04 AU

Year: 16701 Days

Day: 17.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,499,517 km

• M1: 76,445 km (0.03 R)
• M2: 997,967 km (0.073 R)
• M3: 1,556,865 km (0.073 R)
• M4: 2,601,806 km (0.112 R)
• M5: 2,879,161 km (0.064 R)
• M6: 4,133,988 km (0.047 R)
• M7: 4,977,420 km (0.082 R)
• M8: 5,508,044 km (0.08 R)
• M9: 8,882,224 km (0.106 R)
• M10: 9,914,300 km (0.102 R)
• M11: 11,189,173 km (0.047 R)
• M12: 18,293,875 km (0.069 R)
• M13: 21,716,824 km (0.108 R)
• M14: 23,761,079 km (0.085 R)
• M15: 24,501,289 km (0.119 R)
• M16: 24,782,682 km (0.06 R)
• M17: 28,640,812 km (0.089 R)
• M18: 31,979,088 km (0.094 R)
• M19: 35,688,068 km (0.085 R)
• M20: 38,397,884 km (0.073 R)
• M21: 42,850,664 km (0.119 R)
• M22: 44,223,075 km (0.117 R)
• M23: 45,766,177 km (0.118 R)
• M24: 48,221,078 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.6

Radius: 7.7

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.43 AU - 9.39 AU

Year: 17736 Days

Day: 22.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,499,517 km

• M1: 97,687 km (0.032 R)
• M2: 349,760 km (0.12 R)
• M3: 964,009 km (0.116 R)
• M4: 1,800,111 km (0.118 R)
• M5: 2,740,483 km (0.108 R)
• M6: 3,201,843 km (0.104 R)
• M7: 3,464,986 km (0.053 R)
• M8: 3,828,658 km (0.031 R)
• M9: 5,694,892 km (0.12 R)
• M10: 6,954,506 km (0.105 R)
• M11: 7,262,977 km (0.079 R)
• M12: 8,841,533 km (0.102 R)
• M13: 9,522,054 km (0.092 R)
• M14: 10,694,453 km (0.069 R)
• M15: 12,022,882 km (0.097 R)
• M16: 12,792,114 km (0.093 R)
• M17: 15,444,933 km (0.087 R)
• M18: 16,508,424 km (0.102 R)
• M19: 17,377,588 km (0.031 R)
• M20: 22,091,716 km (0.063 R)
• M21: 22,376,102 km (0.088 R)
• M22: 24,034,244 km (0.108 R)
• M23: 24,436,064 km (0.11 R)
• M24: 29,727,939 km (0.097 R)
• M25: 30,307,332 km (0.067 R)
• M26: 38,678,529 km (0.109 R)
• M27: 45,345,508 km (0.061 R)
• M28: 47,991,446 km (0.064 R)
• M29: 50,903,219 km (0.062 R)
• M30: 56,014,380 km (0.088 R)
• M31: 62,397,421 km (0.064 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 13,391 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit