🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.1

Radius: 12.1

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.74 AU - 1 AU

Year: 541 Days

Day: 11.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,142,147 km

• M1: 152,889 km (0.096 R)
• M2: 445,203 km (0.097 R)
• M3: 670,946 km (0.1 R)
• M4: 969,245 km (0.092 R)
• M5: 1,265,748 km (0.098 R)
• M6: 1,755,232 km (0.09 R)
• M7: 2,091,528 km (0.059 R)
• M8: 2,340,758 km (0.054 R)
• M9: 2,992,107 km (0.107 R)
• M10: 3,318,679 km (0.11 R)
• M11: 3,552,201 km (0.111 R)
• M12: 3,813,100 km (0.073 R)
• M13: 4,162,710 km (0.068 R)
• M14: 4,632,448 km (0.118 R)
• M15: 5,007,340 km (0.039 R)
• M16: 5,534,523 km (0.098 R)
• M17: 6,052,580 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.8

Radius: 14.9

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.77 AU - 1.97 AU

Year: 1705 Days

Day: 8.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,142,147 km

• M1: 186,100 km (0.057 R)
• M2: 470,336 km (0.092 R)
• M3: 801,545 km (0.095 R)
• M4: 1,359,845 km (0.105 R)
• M5: 1,809,536 km (0.072 R)
• M6: 2,230,803 km (0.096 R)
• M7: 2,541,817 km (0.095 R)
• M8: 2,843,556 km (0.107 R)
• M9: 3,409,784 km (0.116 R)
• M10: 3,956,265 km (0.084 R)
• M11: 4,309,765 km (0.105 R)
• M12: 5,392,554 km (0.052 R)
• M13: 6,034,928 km (0.116 R)
• M14: 8,078,734 km (0.099 R)
• M15: 8,385,260 km (0.069 R)
• M16: 8,921,718 km (0.057 R)
• M17: 9,263,100 km (0.064 R)
• M18: 9,591,617 km (0.088 R)
• M19: 10,105,336 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781

Radius: 13.5

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.19 AU - 2.43 AU

Year: 2341 Days

Day: 12.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,142,147 km

• M1: 175,478 km (0.118 R)
• M2: 580,889 km (0.092 R)
• M3: 907,012 km (0.079 R)
• M4: 1,218,026 km (0.107 R)
• M5: 1,710,053 km (0.112 R)
• M6: 2,208,663 km (0.113 R)
• M7: 2,638,607 km (0.064 R)
• M8: 3,589,451 km (0.115 R)
• M9: 3,935,022 km (0.06 R)
• M10: 4,262,193 km (0.111 R)
• M11: 4,731,781 km (0.104 R)
• M12: 5,187,905 km (0.097 R)
• M13: 5,850,474 km (0.089 R)
• M14: 7,091,687 km (0.057 R)
• M15: 7,651,033 km (0.112 R)
• M16: 8,281,439 km (0.114 R)
• M17: 8,758,207 km (0.077 R)
• M18: 9,806,440 km (0.11 R)
• M19: 11,115,271 km (0.086 R)
• M20: 11,756,597 km (0.087 R)
• M21: 12,691,135 km (0.116 R)
• M22: 13,125,119 km (0.09 R)
• M23: 13,439,574 km (0.056 R)
• M24: 13,886,123 km (0.081 R)
• M25: 17,363,077 km (0.109 R)
• M26: 18,758,825 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929

Radius: 13.5

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.43 AU - 3.11 AU

Year: 3074 Days

Day: 6.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 50,142,147 km

• M1: 168,447 km (0.114 R)
• M2: 452,982 km (0.101 R)
• M3: 853,306 km (0.09 R)
• M4: 1,236,426 km (0.059 R)
• M5: 1,516,025 km (0.112 R)
• M6: 2,356,765 km (0.12 R)
• M7: 3,330,348 km (0.091 R)
• M8: 3,837,036 km (0.1 R)
• M9: 4,281,491 km (0.105 R)
• M10: 4,605,520 km (0.113 R)
• M11: 5,006,293 km (0.117 R)
• M12: 5,357,249 km (0.108 R)
• M13: 5,930,359 km (0.119 R)
• M14: 8,779,151 km (0.105 R)
• M15: 9,069,072 km (0.092 R)
• M16: 9,663,274 km (0.116 R)
• M17: 10,183,576 km (0.109 R)
• M18: 10,464,521 km (0.119 R)
• M19: 10,973,752 km (0.086 R)
• M20: 11,363,753 km (0.104 R)
• M21: 13,310,321 km (0.092 R)
• M22: 13,776,169 km (0.054 R)
• M23: 14,957,394 km (0.08 R)
• M24: 15,374,772 km (0.066 R)
• M25: 16,031,207 km (0.056 R)
• M26: 16,941,510 km (0.079 R)
• M27: 19,737,793 km (0.083 R)
• M28: 20,173,722 km (0.113 R)
• M29: 20,881,020 km (0.025 R)
• M30: 21,194,278 km (0.098 R)
• M31: 22,286,492 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.5

Radius: 13.8

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.76 AU - 4.14 AU

Year: 4273 Days

Day: 9.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,142,147 km

• M1: 177,722 km (0.108 R)
• M2: 490,232 km (0.107 R)
• M3: 1,048,980 km (0.091 R)
• M4: 1,418,637 km (0.06 R)
• M5: 2,244,716 km (0.116 R)
• M6: 2,562,312 km (0.092 R)
• M7: 3,323,018 km (0.087 R)
• M8: 3,962,548 km (0.096 R)
• M9: 4,540,595 km (0.08 R)
• M10: 5,086,627 km (0.04 R)
• M11: 5,936,791 km (0.076 R)
• M12: 6,194,848 km (0.091 R)
• M13: 8,701,211 km (0.056 R)
• M14: 9,063,387 km (0.066 R)
• M15: 9,383,377 km (0.06 R)
• M16: 9,963,218 km (0.111 R)
• M17: 10,455,694 km (0.103 R)
• M18: 11,203,385 km (0.088 R)
• M19: 12,661,515 km (0.071 R)
• M20: 12,923,162 km (0.069 R)
• M21: 16,076,834 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.6

Radius: 14.1

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.95 AU - 4.09 AU

Year: 5375 Days

Day: 14.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,142,147 km

• M1: 199,115 km (0.104 R)
• M2: 556,205 km (0.101 R)
• M3: 845,826 km (0.118 R)
• M4: 1,787,695 km (0.096 R)
• M5: 3,802,927 km (0.104 R)
• M6: 4,488,086 km (0.104 R)
• M7: 5,205,707 km (0.075 R)
• M8: 5,836,411 km (0.108 R)
• M9: 6,929,373 km (0.094 R)
• M10: 8,085,167 km (0.102 R)
• M11: 8,354,443 km (0.114 R)
• M12: 8,836,597 km (0.105 R)
• M13: 10,214,543 km (0.107 R)
• M14: 11,613,731 km (0.076 R)
• M15: 12,018,543 km (0.065 R)
• M16: 12,388,948 km (0.103 R)
• M17: 13,061,540 km (0.068 R)
• M18: 15,418,155 km (0.054 R)
• M19: 15,885,050 km (0.102 R)
• M20: 16,839,784 km (0.075 R)
• M21: 17,723,159 km (0.071 R)
• M22: 18,731,449 km (0.098 R)
• M23: 19,820,521 km (0.07 R)
• M24: 23,559,869 km (0.096 R)
• M25: 24,957,413 km (0.097 R)
• M26: 26,274,173 km (0.106 R)
• M27: 26,822,599 km (0.088 R)
• M28: 28,628,694 km (0.087 R)
• M29: 29,265,233 km (0.108 R)
• M30: 30,233,131 km (0.035 R)
• M31: 31,084,942 km (0.083 R)
• M32: 33,574,250 km (0.041 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.6

Radius: 13.5

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.62 AU - 4.56 AU

Year: 5516 Days

Day: 5.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 50,142,147 km

• M1: 170,392 km (0.111 R)
• M2: 476,020 km (0.062 R)
• M3: 758,012 km (0.102 R)
• M4: 1,363,435 km (0.055 R)
• M5: 1,773,782 km (0.036 R)
• M6: 2,459,838 km (0.104 R)
• M7: 2,757,538 km (0.105 R)
• M8: 3,208,874 km (0.055 R)
• M9: 3,509,267 km (0.092 R)
• M10: 4,287,924 km (0.087 R)
• M11: 5,478,872 km (0.106 R)
• M12: 6,035,376 km (0.051 R)
• M13: 6,619,706 km (0.08 R)
• M14: 7,381,608 km (0.071 R)
• M15: 8,409,794 km (0.082 R)
• M16: 9,472,238 km (0.068 R)
• M17: 9,887,222 km (0.051 R)
• M18: 10,890,875 km (0.035 R)
• M19: 11,298,529 km (0.12 R)
• M20: 11,599,968 km (0.099 R)
• M21: 13,086,074 km (0.114 R)
• M22: 13,988,149 km (0.081 R)
• M23: 15,972,415 km (0.11 R)
• M24: 17,994,829 km (0.113 R)
• M25: 18,280,112 km (0.074 R)
• M26: 19,641,153 km (0.067 R)
• M27: 20,340,074 km (0.059 R)
• M28: 21,515,166 km (0.027 R)
• M29: 23,801,320 km (0.11 R)
• M30: 24,239,493 km (0.105 R)
• M31: 24,959,956 km (0.093 R)
• M32: 29,567,421 km (0.06 R)
• M33: 30,055,858 km (0.057 R)
• M34: 30,796,068 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273.4

Radius: 4.5

Gravity: 13.5 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 7.09 AU - 10.19 AU

Year: 16936 Days

Day: 19 Hours

Environment

Temp: -239 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,142,147 km

• M1: 1,503,459 km (0.119 R)
• M2: 1,751,641 km (0.097 R)
• M3: 1,864,139 km (0.063 R)
• M4: 2,917,009 km (0.108 R)
• M5: 5,948,610 km (0.11 R)
• M6: 6,261,868 km (0.102 R)
• M7: 8,891,200 km (0.1 R)
• M8: 16,963,052 km (0.051 R)
• M9: 19,620,808 km (0.109 R)
• M10: 23,489,110 km (0.047 R)
• M11: 25,304,480 km (0.073 R)
• M12: 31,552,584 km (0.116 R)
• M13: 33,242,891 km (0.033 R)
• M14: 36,328,497 km (0.088 R)
• M15: 37,099,674 km (0.116 R)
• M16: 45,163,597 km (0.081 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: 305 - 18,890 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit