🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.4

Radius: 12.1

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.67 AU - 0.73 AU

Year: 391 Days

Day: 11.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,910,699 km

• M1: 150,495 km (0.084 R)
• M2: 714,330 km (0.12 R)
• M3: 1,109,119 km (0.094 R)
• M4: 1,683,275 km (0.118 R)
• M5: 2,098,559 km (0.055 R)
• M6: 2,478,388 km (0.037 R)
• M7: 2,904,592 km (0.11 R)
• M8: 3,842,870 km (0.105 R)
• M9: 4,417,924 km (0.093 R)
• M10: 5,236,524 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.2

Radius: 15

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.95 AU - 1.27 AU

Year: 780 Days

Day: 8.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,910,699 km

• M1: 186,549 km (0.083 R)
• M2: 661,223 km (0.077 R)
• M3: 1,236,127 km (0.115 R)
• M4: 1,753,287 km (0.058 R)
• M5: 2,338,963 km (0.114 R)
• M6: 2,950,668 km (0.03 R)
• M7: 4,439,766 km (0.106 R)
• M8: 5,029,181 km (0.095 R)
• M9: 5,706,860 km (0.091 R)
• M10: 6,269,048 km (0.095 R)
• M11: 7,139,708 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361

Radius: 13.2

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.24 AU - 1.32 AU

Year: 966 Days

Day: 7.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,910,699 km

• M1: 170,542 km (0.113 R)
• M2: 702,512 km (0.04 R)
• M3: 1,254,827 km (0.068 R)
• M4: 1,738,327 km (0.111 R)
• M5: 2,787,457 km (0.059 R)
• M6: 3,519,589 km (0.077 R)
• M7: 6,860,409 km (0.07 R)
• M8: 7,384,899 km (0.08 R)

Asteroid Belt

Center: 2.32 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.2

Radius: 10.8

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.53 AU - 4.17 AU

Year: 4089 Days

Day: 7.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 147.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,910,699 km

• M1: 134,488 km (0.072 R)
• M2: 565,330 km (0.046 R)
• M3: 928,105 km (0.077 R)
• M4: 1,875,658 km (0.116 R)
• M5: 2,574,131 km (0.086 R)
• M6: 4,176,324 km (0.085 R)
• M7: 5,257,468 km (0.114 R)
• M8: 5,704,316 km (0.032 R)
• M9: 6,116,010 km (0.083 R)
• M10: 6,706,473 km (0.057 R)
• M11: 8,110,598 km (0.063 R)
• M12: 10,161,585 km (0.111 R)
• M13: 13,286,236 km (0.08 R)
• M14: 14,011,935 km (0.102 R)
• M15: 15,205,576 km (0.106 R)
• M16: 17,000,751 km (0.082 R)
• M17: 18,294,324 km (0.091 R)
• M18: 19,192,659 km (0.058 R)
• M19: 22,351,567 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.3

Radius: 7

Gravity: 15.92 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.35 AU - 8.71 AU

Year: 12430 Days

Day: 24.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 87,910,699 km

• M1: 87,216 km (0.118 R)
• M2: 351,405 km (0.086 R)
• M3: 685,757 km (0.099 R)
• M4: 1,091,017 km (0.053 R)
• M5: 1,555,519 km (0.104 R)
• M6: 2,182,633 km (0.084 R)
• M7: 2,501,426 km (0.112 R)
• M8: 3,257,793 km (0.062 R)
• M9: 3,488,473 km (0.053 R)
• M10: 4,069,660 km (0.088 R)
• M11: 4,681,366 km (0.099 R)
• M12: 5,317,606 km (0.064 R)
• M13: 9,186,057 km (0.033 R)
• M14: 10,564,602 km (0.044 R)
• M15: 11,715,009 km (0.119 R)
• M16: 13,138,583 km (0.12 R)
• M17: 15,664,991 km (0.118 R)
• M18: 21,655,040 km (0.075 R)
• M19: 23,502,723 km (0.097 R)
• M20: 26,570,527 km (0.114 R)
• M21: 28,577,083 km (0.088 R)
• M22: 29,231,125 km (0.096 R)
• M23: 30,230,887 km (0.094 R)
• M24: 30,682,523 km (0.069 R)
• M25: 31,483,620 km (0.112 R)
• M26: 33,607,461 km (0.107 R)
• M27: 36,077,322 km (0.072 R)
• M28: 36,457,899 km (0.11 R)
• M29: 39,600,052 km (0.07 R)
• M30: 44,936,657 km (0.111 R)
• M31: 45,820,781 km (0.118 R)
• M32: 46,267,181 km (0.11 R)
• M33: 47,776,324 km (0.039 R)
• M34: 49,943,698 km (0.086 R)
• M35: 52,014,132 km (0.119 R)
• M36: 53,810,204 km (0.104 R)
• M37: 54,640,024 km (0.11 R)
• M38: 55,142,074 km (0.094 R)
• M39: 56,325,393 km (0.115 R)
• M40: 57,698,403 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254

Radius: 6.8

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.59 AU - 8.51 AU

Year: 12483 Days

Day: 17.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 82.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 87,910,699 km

• M1: 84,523 km (0.082 R)
• M2: 309,219 km (0.108 R)
• M3: 1,171,052 km (0.094 R)
• M4: 1,452,147 km (0.065 R)
• M5: 1,720,525 km (0.084 R)
• M6: 3,595,136 km (0.106 R)
• M7: 5,154,544 km (0.12 R)
• M8: 5,686,215 km (0.062 R)
• M9: 5,915,399 km (0.072 R)
• M10: 6,357,760 km (0.073 R)
• M11: 7,462,391 km (0.071 R)
• M12: 7,857,479 km (0.074 R)
• M13: 9,082,685 km (0.069 R)
• M14: 9,579,200 km (0.093 R)
• M15: 9,857,452 km (0.072 R)
• M16: 11,959,452 km (0.07 R)
• M17: 13,925,617 km (0.116 R)
• M18: 15,518,834 km (0.065 R)
• M19: 16,097,479 km (0.104 R)
• M20: 16,491,220 km (0.116 R)
• M21: 20,177,462 km (0.081 R)
• M22: 22,699,383 km (0.072 R)
• M23: 23,866,096 km (0.054 R)
• M24: 24,984,640 km (0.112 R)
• M25: 25,424,009 km (0.097 R)
• M26: 25,868,613 km (0.045 R)
• M27: 35,111,219 km (0.032 R)
• M28: 35,884,640 km (0.051 R)
• M29: 36,331,638 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.7

Radius: 5.6

Gravity: 28.66 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 7.42 AU - 8.64 AU

Year: 15174 Days

Day: 15.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 87,910,699 km

• M1: 127,158 km (0.1 R)
• M2: 397,930 km (0.04 R)
• M3: 2,695,454 km (0.105 R)
• M4: 2,961,888 km (0.074 R)
• M5: 3,928,290 km (0.115 R)
• M6: 5,271,679 km (0.079 R)
• M7: 5,806,791 km (0.12 R)
• M8: 9,690,800 km (0.105 R)
• M9: 9,972,194 km (0.064 R)
• M10: 11,398,909 km (0.113 R)
• M11: 11,775,896 km (0.107 R)
• M12: 12,956,522 km (0.112 R)
• M13: 13,160,723 km (0.087 R)
• M14: 13,505,845 km (0.117 R)
• M15: 19,880,211 km (0.117 R)
• M16: 20,152,030 km (0.081 R)
• M17: 29,155,727 km (0.115 R)
• M18: 31,303,504 km (0.118 R)
• M19: 32,416,063 km (0.061 R)
• M20: 32,792,601 km (0.115 R)
• M21: 36,584,907 km (0.114 R)
• M22: 38,516,066 km (0.097 R)
• M23: 40,514,095 km (0.068 R)
• M24: 42,580,192 km (0.115 R)
• M25: 47,888,223 km (0.078 R)
• M26: 50,869,110 km (0.104 R)
• M27: 53,445,934 km (0.114 R)
• M28: 56,469,905 km (0.096 R)
• M29: 62,856,089 km (0.058 R)
• M30: 63,441,764 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.9

Radius: 3.1

Gravity: 84.69 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 9.29 AU - 11.77 AU

Year: 22786 Days

Day: 16.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 87,910,699 km

• M1: 44,131 km (0.098 R)
• M2: 143,165 km (0.099 R)
• M3: 259,552 km (0.093 R)
• M4: 426,204 km (0.033 R)
• M5: 559,646 km (0.065 R)
• M6: 720,613 km (0.117 R)
• M7: 1,223,112 km (0.103 R)
• M8: 1,600,847 km (0.112 R)
• M9: 1,967,511 km (0.116 R)
• M10: 2,837,722 km (0.114 R)
• M11: 3,055,088 km (0.068 R)
• M12: 3,254,202 km (0.096 R)
• M13: 4,453,529 km (0.108 R)
• M14: 4,709,640 km (0.059 R)
• M15: 4,822,287 km (0.071 R)
• M16: 5,372,209 km (0.083 R)
• M17: 6,502,421 km (0.117 R)
• M18: 7,073,885 km (0.089 R)
• M19: 14,979,534 km (0.081 R)
• M20: 15,305,508 km (0.103 R)
• M21: 15,803,369 km (0.11 R)
• M22: 16,056,190 km (0.1 R)
• M23: 19,018,976 km (0.095 R)
• M24: 19,305,007 km (0.058 R)
• M25: 20,180,753 km (0.101 R)
• M26: 21,594,901 km (0.112 R)
• M27: 21,906,215 km (0.043 R)
• M28: 22,220,669 km (0.077 R)
• M29: 28,655,023 km (0.119 R)
• M30: 40,783,521 km (0.107 R)
• M31: 41,578,335 km (0.035 R)
• M32: 49,380,163 km (0.057 R)
• M33: 54,576,445 km (0.096 R)
• M34: 62,404,303 km (0.083 R)
• M35: 70,037,385 km (0.103 R)
• M36: 71,176,124 km (0.039 R)
• M37: 73,959,392 km (0.064 R)
• M38: 80,734,231 km (0.134 R)
• M39: 87,910,740 km (0.126 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: 347 - 11,506 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit