🌌 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: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.5

Radius: 13.2

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.57 AU - 0.81 AU

Year: 396 Days

Day: 11.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,989,649 km

• M1: 164,558 km (0.102 R)
• M2: 604,675 km (0.058 R)
• M3: 1,292,376 km (0.113 R)
• M4: 1,907,672 km (0.042 R)
• M5: 2,363,198 km (0.114 R)
• M6: 2,881,853 km (0.086 R)
• M7: 4,611,654 km (0.082 R)
• M8: 5,304,292 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.7

Radius: 8.5

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.01 AU - 1.35 AU

Year: 885 Days

Day: 8.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,989,649 km

• M1: 105,766 km (0.11 R)
• M2: 468,989 km (0.058 R)
• M3: 779,405 km (0.088 R)
• M4: 1,136,944 km (0.106 R)
• M5: 1,534,425 km (0.11 R)
• M6: 2,022,713 km (0.091 R)
• M7: 2,766,663 km (0.096 R)
• M8: 3,426,090 km (0.091 R)
• M9: 3,709,429 km (0.077 R)
• M10: 4,432,136 km (0.051 R)
• M11: 4,952,737 km (0.025 R)
• M12: 5,227,997 km (0.067 R)
• M13: 5,586,583 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.7

Radius: 10.9

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.78 AU - 1.88 AU

Year: 1709 Days

Day: 12.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,989,649 km

• M1: 135,536 km (0.076 R)
• M2: 474,674 km (0.095 R)
• M3: 820,694 km (0.115 R)
• M4: 1,331,421 km (0.074 R)
• M5: 2,236,339 km (0.115 R)
• M6: 2,624,994 km (0.095 R)
• M7: 3,195,560 km (0.073 R)
• M8: 3,676,368 km (0.094 R)
• M9: 4,072,353 km (0.114 R)
• M10: 4,444,254 km (0.08 R)
• M11: 4,931,943 km (0.075 R)
• M12: 5,951,003 km (0.101 R)
• M13: 6,409,371 km (0.074 R)
• M14: 6,961,836 km (0.038 R)
• M15: 7,824,567 km (0.088 R)
• M16: 8,402,314 km (0.11 R)
• M17: 9,150,004 km (0.103 R)
• M18: 9,584,287 km (0.095 R)
• M19: 10,215,291 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.2

Radius: 10.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.11 AU - 3.23 AU

Year: 3011 Days

Day: 10.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,989,649 km

• M1: 138,378 km (0.093 R)
• M2: 581,637 km (0.064 R)
• M3: 928,554 km (0.103 R)
• M4: 1,419,534 km (0.111 R)
• M5: 2,270,746 km (0.105 R)
• M6: 3,294,744 km (0.113 R)
• M7: 3,930,086 km (0.067 R)
• M8: 4,287,774 km (0.107 R)
• M9: 5,023,197 km (0.064 R)
• M10: 5,740,070 km (0.109 R)
• M11: 6,744,470 km (0.117 R)
• M12: 7,587,006 km (0.05 R)
• M13: 8,728,587 km (0.039 R)
• M14: 9,236,771 km (0.095 R)
• M15: 9,728,649 km (0.101 R)
• M16: 11,310,347 km (0.101 R)
• M17: 12,038,290 km (0.113 R)
• M18: 13,056,902 km (0.079 R)
• M19: 13,903,327 km (0.115 R)
• M20: 14,316,965 km (0.07 R)
• M21: 15,024,413 km (0.101 R)
• M22: 15,557,879 km (0.067 R)
• M23: 16,817,493 km (0.106 R)
• M24: 17,712,089 km (0.113 R)
• M25: 18,089,524 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.2

Radius: 8.6

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 3.89 AU - 4.29 AU

Year: 5709 Days

Day: 14.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,989,649 km

• M1: 111,750 km (0.075 R)
• M2: 481,256 km (0.106 R)
• M3: 1,040,453 km (0.106 R)
• M4: 1,864,588 km (0.115 R)
• M5: 3,829,855 km (0.108 R)
• M6: 6,653,515 km (0.099 R)
• M7: 10,668,123 km (0.072 R)
• M8: 12,236,807 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.6

Radius: 11.7

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.23 AU - 4.51 AU

Year: 6306 Days

Day: 5.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,989,649 km

• M1: 145,559 km (0.085 R)
• M2: 733,778 km (0.119 R)
• M3: 1,704,518 km (0.099 R)
• M4: 2,645,638 km (0.069 R)
• M5: 3,279,634 km (0.066 R)
• M6: 3,694,918 km (0.069 R)
• M7: 4,326,221 km (0.107 R)
• M8: 9,455,483 km (0.085 R)
• M9: 11,199,495 km (0.081 R)
• M10: 13,694,638 km (0.119 R)
• M11: 14,463,421 km (0.063 R)
• M12: 19,437,251 km (0.06 R)
• M13: 21,890,208 km (0.114 R)
• M14: 22,940,983 km (0.044 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.2

Radius: 9.6

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.34 AU - 4.6 AU

Year: 6523 Days

Day: 6.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,989,649 km

• M1: 119,529 km (0.1 R)
• M2: 472,879 km (0.118 R)
• M3: 779,555 km (0.065 R)
• M4: 1,824,944 km (0.076 R)
• M5: 2,590,287 km (0.079 R)
• M6: 3,974,217 km (0.056 R)
• M7: 5,673,200 km (0.09 R)
• M8: 6,787,555 km (0.06 R)
• M9: 10,811,139 km (0.053 R)
• M10: 11,196,952 km (0.067 R)
• M11: 13,048,225 km (0.095 R)
• M12: 13,652,451 km (0.052 R)
• M13: 14,976,093 km (0.116 R)
• M14: 17,943,517 km (0.092 R)
• M15: 19,814,687 km (0.043 R)
• M16: 21,812,417 km (0.078 R)
• M17: 23,859,664 km (0.088 R)
• M18: 24,846,411 km (0.068 R)
• M19: 25,774,666 km (0.06 R)
• M20: 28,881,963 km (0.099 R)
• M21: 33,537,898 km (0.077 R)
• M22: 35,194,694 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739

Radius: 9.7

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.31 AU - 6.09 AU

Year: 8185 Days

Day: 12.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,989,649 km

• M1: 120,725 km (0.088 R)
• M2: 558,898 km (0.099 R)
• M3: 1,177,634 km (0.056 R)
• M4: 1,513,033 km (0.071 R)
• M5: 2,172,460 km (0.09 R)
• M6: 2,568,446 km (0.114 R)
• M7: 3,627,150 km (0.076 R)
• M8: 4,295,852 km (0.066 R)
• M9: 5,645,076 km (0.115 R)
• M10: 7,102,757 km (0.094 R)
• M11: 7,573,243 km (0.045 R)
• M12: 12,678,420 km (0.108 R)
• M13: 14,708,014 km (0.092 R)
• M14: 16,198,009 km (0.101 R)
• M15: 17,715,081 km (0.092 R)
• M16: 20,870,698 km (0.111 R)
• M17: 21,189,491 km (0.099 R)
• M18: 24,119,515 km (0.107 R)
• M19: 24,914,478 km (0.11 R)
• M20: 26,185,761 km (0.073 R)
• M21: 28,367,347 km (0.111 R)
• M22: 28,955,715 km (0.041 R)
• M23: 30,055,708 km (0.081 R)
• M24: 30,770,038 km (0.11 R)
• M25: 33,850,408 km (0.064 R)
• M26: 37,716,914 km (0.086 R)
• M27: 42,503,149 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.3

Radius: 5.1

Gravity: 22 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.12 AU - 7.96 AU

Year: 11545 Days

Day: 15.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,989,649 km

• M1: 66,870 km (0.079 R)
• M2: 290,369 km (0.061 R)
• M3: 591,809 km (0.079 R)
• M4: 1,363,285 km (0.066 R)
• M5: 1,830,330 km (0.086 R)
• M6: 2,617,664 km (0.077 R)
• M7: 4,261,295 km (0.098 R)
• M8: 5,084,532 km (0.081 R)
• M9: 5,448,504 km (0.071 R)
• M10: 5,901,038 km (0.105 R)
• M11: 6,645,287 km (0.091 R)
• M12: 7,121,008 km (0.108 R)
• M13: 7,325,658 km (0.079 R)
• M14: 7,661,505 km (0.103 R)
• M15: 7,963,693 km (0.048 R)
• M16: 9,694,540 km (0.112 R)
• M17: 10,305,947 km (0.079 R)
• M18: 10,996,790 km (0.106 R)
• M19: 12,828,167 km (0.077 R)
• M20: 17,228,738 km (0.053 R)
• M21: 18,893,762 km (0.115 R)
• M22: 19,684,836 km (0.059 R)
• M23: 23,791,447 km (0.111 R)
• M24: 24,620,219 km (0.072 R)
• M25: 25,372,846 km (0.09 R)
• M26: 25,947,302 km (0.049 R)
• M27: 28,950,330 km (0.087 R)
• M28: 29,788,526 km (0.078 R)
• M29: 32,400,356 km (0.108 R)
• M30: 34,340,042 km (0.12 R)
• M31: 36,963,390 km (0.108 R)
• M32: 38,574,709 km (0.041 R)
• M33: 40,882,256 km (0.109 R)
• M34: 44,929,776 km (0.067 R)
• M35: 47,626,726 km (0.108 R)
• M36: 48,062,206 km (0.111 R)
• M37: 49,236,399 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.7

Radius: 7.1

Gravity: 16.3 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.62 AU - 8.08 AU

Year: 13754 Days

Day: 15.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,989,649 km

• M1: 104,719 km (0.093 R)
• M2: 776,563 km (0.09 R)
• M3: 1,368,073 km (0.04 R)
• M4: 2,328,341 km (0.106 R)
• M5: 2,998,689 km (0.062 R)
• M6: 3,848,256 km (0.087 R)
• M7: 4,423,459 km (0.073 R)
• M8: 4,715,325 km (0.064 R)
• M9: 6,829,592 km (0.054 R)
• M10: 7,579,526 km (0.03 R)
• M11: 9,828,879 km (0.106 R)
• M12: 10,103,391 km (0.059 R)
• M13: 12,941,263 km (0.065 R)
• M14: 14,577,415 km (0.113 R)
• M15: 14,862,848 km (0.03 R)
• M16: 15,593,035 km (0.035 R)
• M17: 15,891,632 km (0.073 R)
• M18: 17,926,762 km (0.103 R)
• M19: 18,337,109 km (0.081 R)
• M20: 19,953,813 km (0.108 R)
• M21: 24,457,606 km (0.093 R)
• M22: 32,657,514 km (0.082 R)
• M23: 34,643,426 km (0.1 R)
• M24: 37,503,438 km (0.087 R)
• M25: 38,310,070 km (0.087 R)
• M26: 40,940,300 km (0.109 R)
• M27: 49,388,989 km (0.046 R)
• M28: 50,033,457 km (0.087 R)
• M29: 56,965,672 km (0.092 R)
• M30: 60,936,598 km (0.052 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 19,556 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit