🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.1

Radius: 10.2

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.81 AU - 0.83 AU

Year: 487 Days

Day: 7 Hours

Environment

Temp: -157 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,499,453 km

• M1: 126,859 km (0.09 R)
• M2: 883,525 km (0.047 R)
• M3: 1,269,188 km (0.106 R)
• M4: 1,893,311 km (0.111 R)
• M5: 2,763,821 km (0.084 R)
• M6: 4,084,620 km (0.068 R)
• M7: 4,454,127 km (0.088 R)
• M8: 4,861,332 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.2

Radius: 12.9

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.66 AU - 2.68 AU

Year: 2097 Days

Day: 11.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,499,453 km

• M1: 160,369 km (0.103 R)
• M2: 695,032 km (0.081 R)
• M3: 1,230,143 km (0.058 R)
• M4: 1,691,204 km (0.112 R)
• M5: 2,206,419 km (0.087 R)
• M6: 2,667,928 km (0.112 R)
• M7: 3,098,920 km (0.103 R)
• M8: 3,843,169 km (0.077 R)
• M9: 4,297,498 km (0.086 R)
• M10: 5,112,956 km (0.11 R)
• M11: 5,664,523 km (0.084 R)
• M12: 6,357,910 km (0.106 R)
• M13: 6,996,842 km (0.086 R)
• M14: 8,279,195 km (0.118 R)
• M15: 8,686,550 km (0.078 R)
• M16: 9,373,204 km (0.104 R)
• M17: 10,201,827 km (0.032 R)
• M18: 11,267,712 km (0.111 R)
• M19: 13,150,850 km (0.025 R)
• M20: 13,793,821 km (0.118 R)
• M21: 16,283,728 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.9

Radius: 8.2

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.89 AU - 2.95 AU

Year: 2470 Days

Day: 14.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,499,453 km

• M1: 102,175 km (0.12 R)
• M2: 650,601 km (0.099 R)
• M3: 1,114,953 km (0.028 R)
• M4: 1,475,334 km (0.074 R)
• M5: 1,787,096 km (0.118 R)
• M6: 2,810,794 km (0.096 R)
• M7: 4,202,653 km (0.083 R)
• M8: 4,704,105 km (0.059 R)
• M9: 5,129,113 km (0.058 R)
• M10: 5,434,442 km (0.096 R)
• M11: 5,726,906 km (0.09 R)
• M12: 6,107,483 km (0.051 R)
• M13: 6,919,201 km (0.118 R)
• M14: 7,618,870 km (0.097 R)
• M15: 9,227,047 km (0.067 R)
• M16: 9,503,803 km (0.083 R)
• M17: 10,074,220 km (0.119 R)
• M18: 11,640,061 km (0.077 R)
• M19: 12,586,267 km (0.099 R)
• M20: 13,494,177 km (0.104 R)
• M21: 14,865,989 km (0.075 R)
• M22: 17,618,291 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912

Radius: 8.8

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.82 AU - 2.92 AU

Year: 3190 Days

Day: 12.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,499,453 km

• M1: 113,246 km (0.093 R)
• M2: 465,399 km (0.113 R)
• M3: 1,243,308 km (0.057 R)
• M4: 1,899,295 km (0.069 R)
• M5: 2,182,783 km (0.064 R)
• M6: 2,526,110 km (0.057 R)
• M7: 3,099,817 km (0.113 R)
• M8: 3,515,700 km (0.1 R)
• M9: 4,482,850 km (0.119 R)
• M10: 5,509,540 km (0.098 R)
• M11: 5,921,832 km (0.109 R)
• M12: 8,160,115 km (0.092 R)
• M13: 8,696,723 km (0.038 R)
• M14: 10,656,455 km (0.03 R)
• M15: 12,423,206 km (0.064 R)
• M16: 12,704,001 km (0.104 R)
• M17: 13,473,981 km (0.098 R)
• M18: 14,895,759 km (0.101 R)
• M19: 15,751,609 km (0.078 R)
• M20: 16,303,026 km (0.089 R)
• M21: 19,442,637 km (0.086 R)
• M22: 21,187,397 km (0.029 R)
• M23: 21,927,308 km (0.112 R)
• M24: 23,175,104 km (0.086 R)
• M25: 24,105,303 km (0.095 R)
• M26: 24,469,574 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.6

Radius: 14.6

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.72 AU - 3.28 AU

Year: 3409 Days

Day: 13.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,499,453 km

• M1: 181,612 km (0.083 R)
• M2: 641,176 km (0.078 R)
• M3: 1,263,204 km (0.054 R)
• M4: 1,748,051 km (0.117 R)
• M5: 2,309,642 km (0.111 R)
• M6: 3,348,898 km (0.11 R)
• M7: 4,660,722 km (0.082 R)
• M8: 5,255,373 km (0.116 R)
• M9: 5,781,359 km (0.091 R)
• M10: 6,807,002 km (0.118 R)
• M11: 8,248,527 km (0.119 R)
• M12: 9,251,880 km (0.095 R)
• M13: 13,287,881 km (0.092 R)
• M14: 14,980,282 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.1

Radius: 11.7

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.99 AU - 4.07 AU

Year: 5307 Days

Day: 11.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,499,453 km

• M1: 145,708 km (0.097 R)
• M2: 561,590 km (0.103 R)
• M3: 3,782,433 km (0.071 R)
• M4: 4,357,636 km (0.075 R)
• M5: 4,842,333 km (0.09 R)
• M6: 5,295,914 km (0.046 R)
• M7: 7,429,629 km (0.057 R)
• M8: 8,610,405 km (0.069 R)
• M9: 10,610,379 km (0.08 R)
• M10: 11,044,811 km (0.119 R)
• M11: 12,065,966 km (0.099 R)
• M12: 13,778,113 km (0.06 R)
• M13: 15,278,580 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492

Radius: 13.8

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.93 AU - 5.39 AU

Year: 6599 Days

Day: 11.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,499,453 km

• M1: 172,636 km (0.104 R)
• M2: 708,346 km (0.104 R)
• M3: 1,303,297 km (0.083 R)
• M4: 2,321,759 km (0.113 R)
• M5: 3,321,970 km (0.04 R)
• M6: 3,979,453 km (0.065 R)
• M7: 4,801,792 km (0.093 R)
• M8: 6,651,271 km (0.12 R)
• M9: 7,848,054 km (0.067 R)
• M10: 8,419,667 km (0.047 R)
• M11: 9,019,106 km (0.082 R)
• M12: 10,804,108 km (0.076 R)
• M13: 14,491,845 km (0.113 R)
• M14: 14,947,670 km (0.083 R)
• M15: 17,308,474 km (0.06 R)
• M16: 19,354,973 km (0.105 R)
• M17: 20,758,051 km (0.075 R)
• M18: 23,609,386 km (0.068 R)
• M19: 24,803,626 km (0.099 R)
• M20: 26,373,656 km (0.096 R)
• M21: 28,628,245 km (0.116 R)
• M22: 29,166,349 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287.7

Radius: 5

Gravity: 11.51 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.77 AU - 9.11 AU

Year: 13313 Days

Day: 16.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,499,453 km

• M1: 62,682 km (0.093 R)
• M2: 341,382 km (0.118 R)
• M3: 781,499 km (0.069 R)
• M4: 984,204 km (0.093 R)
• M5: 1,379,592 km (0.108 R)
• M6: 2,537,629 km (0.099 R)
• M7: 3,782,582 km (0.092 R)
• M8: 4,312,009 km (0.108 R)
• M9: 9,153,595 km (0.048 R)
• M10: 9,668,062 km (0.101 R)
• M11: 10,652,565 km (0.072 R)
• M12: 11,594,284 km (0.109 R)
• M13: 12,252,066 km (0.045 R)
• M14: 12,476,762 km (0.112 R)
• M15: 12,647,004 km (0.042 R)
• M16: 18,582,898 km (0.117 R)
• M17: 19,558,874 km (0.115 R)
• M18: 36,322,064 km (0.091 R)
• M19: 36,669,580 km (0.045 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.1

Radius: 7.3

Gravity: 12.99 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.06 AU - 9.94 AU

Year: 16257 Days

Day: 21.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,499,453 km

• M1: 90,806 km (0.103 R)
• M2: 338,091 km (0.114 R)
• M3: 622,028 km (0.109 R)
• M4: 877,840 km (0.094 R)
• M5: 1,644,380 km (0.08 R)
• M6: 2,166,476 km (0.048 R)
• M7: 2,794,189 km (0.099 R)
• M8: 3,620,867 km (0.082 R)
• M9: 4,701,263 km (0.118 R)
• M10: 9,161,673 km (0.098 R)
• M11: 9,977,580 km (0.032 R)
• M12: 12,132,088 km (0.11 R)
• M13: 12,715,669 km (0.049 R)
• M14: 14,506,954 km (0.049 R)
• M15: 19,183,085 km (0.082 R)
• M16: 19,885,746 km (0.081 R)
• M17: 21,811,968 km (0.108 R)
• M18: 28,671,030 km (0.112 R)
• M19: 31,726,567 km (0.117 R)
• M20: 32,215,153 km (0.065 R)
• M21: 32,584,810 km (0.107 R)
• M22: 33,207,287 km (0.086 R)
• M23: 39,592,273 km (0.12 R)
• M24: 42,625,819 km (0.083 R)
• M25: 44,579,417 km (0.105 R)
• M26: 46,435,029 km (0.083 R)
• M27: 47,064,837 km (0.113 R)
• M28: 47,381,834 km (0.058 R)
• M29: 49,805,170 km (0.098 R)
• M30: 50,134,435 km (0.112 R)
• M31: 57,569,001 km (0.114 R)
• M32: 59,582,438 km (0.069 R)
• M33: 60,139,541 km (0.11 R)
• M34: 60,700,234 km (0.091 R)
• M35: 65,903,547 km (0.1 R)
• M36: 66,499,395 km (0.113 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 16,457 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit