🌌 Stone's Star System Generator

Asteroid Belt

Center: 3.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440

Radius: 10.4

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.13 AU - 8.11 AU

Year: 6014 Days

Day: 9.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 106,474,875 km

• M1: 129,402 km (0.088 R)
• M2: 454,628 km (0.093 R)
• M3: 808,427 km (0.065 R)
• M4: 1,387,221 km (0.074 R)
• M5: 1,777,671 km (0.107 R)
• M6: 3,214,409 km (0.076 R)
• M7: 3,666,195 km (0.103 R)
• M8: 4,546,728 km (0.07 R)
• M9: 5,794,524 km (0.079 R)
• M10: 6,626,138 km (0.042 R)
• M11: 7,291,999 km (0.108 R)
• M12: 9,192,340 km (0.069 R)
• M13: 10,235,486 km (0.054 R)
• M14: 15,150,524 km (0.111 R)
• M15: 16,069,953 km (0.072 R)
• M16: 16,424,201 km (0.1 R)
• M17: 16,843,972 km (0.039 R)
• M18: 19,051,738 km (0.104 R)
• M19: 20,534,253 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395

Radius: 14.2

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.63 AU - 7.77 AU

Year: 6124 Days

Day: 10.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 106,474,875 km

• M1: 176,675 km (0.088 R)
• M2: 708,645 km (0.096 R)
• M3: 1,300,454 km (0.093 R)
• M4: 1,872,666 km (0.096 R)
• M5: 2,402,691 km (0.087 R)
• M6: 2,887,837 km (0.107 R)
• M7: 3,378,518 km (0.057 R)
• M8: 4,337,889 km (0.074 R)
• M9: 7,429,030 km (0.051 R)
• M10: 8,397,078 km (0.049 R)
• M11: 9,569,776 km (0.045 R)
• M12: 11,483,881 km (0.066 R)
• M13: 12,239,499 km (0.03 R)
• M14: 12,877,684 km (0.08 R)
• M15: 13,589,770 km (0.093 R)
• M16: 18,682,829 km (0.106 R)
• M17: 19,135,662 km (0.08 R)
• M18: 23,250,351 km (0.11 R)
• M19: 23,925,935 km (0.059 R)
• M20: 24,460,449 km (0.106 R)
• M21: 25,003,040 km (0.068 R)
• M22: 26,192,493 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.4

Radius: 9.5

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 8.66 AU - 8.8 AU

Year: 9108 Days

Day: 10.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 106,474,875 km

• M1: 118,182 km (0.108 R)
• M2: 431,141 km (0.096 R)
• M3: 848,818 km (0.086 R)
• M4: 1,207,255 km (0.083 R)
• M5: 1,532,181 km (0.114 R)
• M6: 2,435,603 km (0.12 R)
• M7: 2,921,048 km (0.116 R)
• M8: 3,635,527 km (0.103 R)
• M9: 4,034,355 km (0.104 R)
• M10: 4,545,681 km (0.09 R)
• M11: 4,919,975 km (0.067 R)
• M12: 6,701,087 km (0.112 R)
• M13: 7,419,306 km (0.079 R)
• M14: 8,570,013 km (0.073 R)
• M15: 9,370,212 km (0.103 R)
• M16: 9,741,514 km (0.047 R)
• M17: 11,378,115 km (0.099 R)
• M18: 11,694,215 km (0.107 R)
• M19: 12,904,163 km (0.117 R)
• M20: 15,378,512 km (0.101 R)
• M21: 18,296,268 km (0.09 R)
• M22: 21,086,418 km (0.112 R)
• M23: 25,740,109 km (0.068 R)
• M24: 27,589,438 km (0.113 R)
• M25: 28,740,593 km (0.054 R)
• M26: 30,123,626 km (0.118 R)
• M27: 30,831,672 km (0.098 R)
• M28: 35,875,514 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.6

Radius: 14

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.37 AU - 10.43 AU

Year: 10176 Days

Day: 7.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 106,474,875 km

• M1: 174,132 km (0.103 R)
• M2: 2,026,004 km (0.115 R)
• M3: 3,172,073 km (0.108 R)
• M4: 3,970,028 km (0.103 R)
• M5: 5,414,396 km (0.077 R)
• M6: 6,002,465 km (0.079 R)
• M7: 7,104,552 km (0.119 R)
• M8: 7,683,047 km (0.059 R)
• M9: 8,382,417 km (0.057 R)
• M10: 9,123,974 km (0.116 R)
• M11: 10,010,192 km (0.087 R)
• M12: 11,839,923 km (0.09 R)
• M13: 12,894,588 km (0.065 R)
• M14: 13,694,488 km (0.08 R)
• M15: 14,724,170 km (0.077 R)
• M16: 17,450,292 km (0.092 R)
• M17: 17,897,590 km (0.073 R)
• M18: 18,737,881 km (0.113 R)
• M19: 20,497,152 km (0.088 R)
• M20: 21,163,312 km (0.083 R)
• M21: 23,339,063 km (0.091 R)
• M22: 28,437,957 km (0.111 R)
• M23: 29,899,678 km (0.118 R)
• M24: 30,757,023 km (0.118 R)
• M25: 32,633,579 km (0.084 R)
• M26: 34,468,247 km (0.077 R)
• M27: 35,769,000 km (0.108 R)
• M28: 38,468,045 km (0.107 R)
• M29: 42,767,488 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.2

Radius: 7.6

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 12.54 AU - 13.94 AU

Year: 17011 Days

Day: 23.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 106,474,875 km

• M1: 119,230 km (0.065 R)
• M2: 536,608 km (0.07 R)
• M3: 2,159,445 km (0.033 R)
• M4: 3,709,878 km (0.068 R)
• M5: 4,206,094 km (0.104 R)
• M6: 4,621,826 km (0.093 R)
• M7: 6,146,378 km (0.081 R)
• M8: 13,240,160 km (0.056 R)
• M9: 14,528,048 km (0.093 R)
• M10: 21,025,981 km (0.074 R)
• M11: 22,864,090 km (0.102 R)
• M12: 35,824,800 km (0.026 R)
• M13: 42,797,557 km (0.077 R)
• M14: 43,901,889 km (0.109 R)
• M15: 50,776,360 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.7

Radius: 4.8

Gravity: 35.32 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 13.05 AU - 15.05 AU

Year: 18596 Days

Day: 18.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 106,474,875 km

• M1: 72,405 km (0.073 R)
• M2: 368,011 km (0.08 R)
• M3: 545,434 km (0.119 R)
• M4: 898,934 km (0.084 R)
• M5: 1,106,875 km (0.046 R)
• M6: 1,779,915 km (0.118 R)
• M7: 2,193,554 km (0.094 R)
• M8: 2,791,347 km (0.093 R)
• M9: 3,236,999 km (0.069 R)
• M10: 4,335,496 km (0.109 R)
• M11: 7,623,807 km (0.109 R)
• M12: 7,972,819 km (0.111 R)
• M13: 11,739,992 km (0.09 R)
• M14: 14,642,191 km (0.075 R)
• M15: 15,495,198 km (0.097 R)
• M16: 19,148,527 km (0.083 R)
• M17: 22,012,279 km (0.077 R)
• M18: 27,980,187 km (0.106 R)
• M19: 38,166,606 km (0.119 R)
• M20: 41,583,870 km (0.1 R)
• M21: 49,532,902 km (0.114 R)
• M22: 50,919,974 km (0.05 R)
• M23: 54,317,491 km (0.062 R)
• M24: 55,792,077 km (0.119 R)
• M25: 60,965,919 km (0.115 R)
• M26: 67,712,335 km (0.093 R)
• M27: 69,850,836 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796

Radius: 7.5

Gravity: 14.15 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 13.97 AU - 17.45 AU

Year: 21987 Days

Day: 15.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 106,474,875 km

• M1: 93,499 km (0.077 R)
• M2: 392,246 km (0.054 R)
• M3: 658,829 km (0.088 R)
• M4: 904,319 km (0.057 R)
• M5: 1,142,479 km (0.09 R)
• M6: 2,105,440 km (0.105 R)
• M7: 4,369,754 km (0.085 R)
• M8: 4,837,846 km (0.105 R)
• M9: 6,627,186 km (0.119 R)
• M10: 10,045,796 km (0.065 R)
• M11: 11,517,241 km (0.12 R)
• M12: 12,693,379 km (0.052 R)
• M13: 14,722,824 km (0.074 R)
• M14: 15,608,443 km (0.11 R)
• M15: 18,203,817 km (0.053 R)
• M16: 18,755,235 km (0.119 R)
• M17: 19,035,282 km (0.082 R)
• M18: 22,720,925 km (0.068 R)
• M19: 24,452,520 km (0.088 R)
• M20: 25,578,244 km (0.113 R)
• M21: 27,450,910 km (0.061 R)
• M22: 28,420,603 km (0.102 R)
• M23: 30,044,937 km (0.05 R)
• M24: 37,309,559 km (0.029 R)
• M25: 40,484,924 km (0.115 R)
• M26: 41,424,099 km (0.118 R)
• M27: 45,494,657 km (0.116 R)
• M28: 45,831,402 km (0.062 R)
• M29: 53,666,740 km (0.11 R)
• M30: 54,609,955 km (0.036 R)
• M31: 59,894,799 km (0.1 R)
• M32: 64,870,125 km (0.041 R)
• M33: 69,220,880 km (0.093 R)
• M34: 70,338,226 km (0.071 R)
• M35: 71,922,767 km (0.118 R)
• M36: 82,930,926 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.4

Radius: 7.9

Gravity: 15.39 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 16.5 AU - 20.38 AU

Year: 27960 Days

Day: 23.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 106,474,875 km

• M1: 126,111 km (0.029 R)
• M2: 698,173 km (0.108 R)
• M3: 1,246,449 km (0.085 R)
• M4: 1,701,227 km (0.118 R)
• M5: 2,560,816 km (0.081 R)
• M6: 2,829,195 km (0.077 R)
• M7: 3,783,779 km (0.104 R)
• M8: 5,663,177 km (0.118 R)
• M9: 7,429,778 km (0.116 R)
• M10: 8,734,122 km (0.108 R)
• M11: 10,118,501 km (0.111 R)
• M12: 13,961,670 km (0.09 R)
• M13: 16,025,074 km (0.118 R)
• M14: 16,387,699 km (0.093 R)
• M15: 17,508,636 km (0.118 R)
• M16: 17,893,401 km (0.075 R)
• M17: 19,182,935 km (0.1 R)
• M18: 20,533,205 km (0.066 R)
• M19: 23,190,662 km (0.069 R)
• M20: 24,007,017 km (0.098 R)
• M21: 25,696,875 km (0.075 R)
• M22: 25,944,609 km (0.096 R)
• M23: 30,128,413 km (0.109 R)
• M24: 32,092,334 km (0.117 R)
• M25: 37,056,589 km (0.11 R)
• M26: 37,850,804 km (0.098 R)
• M27: 39,803,057 km (0.105 R)
• M28: 47,722,768 km (0.028 R)
• M29: 50,192,180 km (0.089 R)
• M30: 52,945,379 km (0.107 R)
• M31: 58,322,824 km (0.081 R)
• M32: 61,143,193 km (0.118 R)
• M33: 66,353,388 km (0.099 R)
• M34: 72,838,306 km (0.082 R)
• M35: 74,083,858 km (0.111 R)
• M36: 78,424,889 km (0.099 R)
• M37: 78,946,536 km (0.111 R)
• M38: 82,662,697 km (0.06 R)
• M39: 86,771,851 km (0.064 R)
• M40: 93,919,638 km (0.114 R)
• M41: 94,802,863 km (0.112 R)
• M42: 98,391,417 km (0.102 R)

Kuiper Belt

Range: 31.1 - 61.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 15,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit