🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693

Radius: 8.1

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.71 AU - 0.71 AU

Year: 380 Days

Day: 9.2 Hours

Environment

Temp: -132 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,941,925 km

• M1: 100,679 km (0.086 R)
• M2: 435,031 km (0.098 R)
• M3: 687,851 km (0.114 R)
• M4: 1,069,326 km (0.04 R)
• M5: 1,361,490 km (0.069 R)
• M6: 1,721,722 km (0.096 R)
• M7: 2,045,152 km (0.075 R)
• M8: 2,318,468 km (0.063 R)
• M9: 2,856,272 km (0.105 R)
• M10: 3,853,791 km (0.093 R)
• M11: 4,166,002 km (0.081 R)
• M12: 4,767,983 km (0.038 R)
• M13: 5,159,182 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.4

Radius: 14.7

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.23 AU - 1.39 AU

Year: 953 Days

Day: 7.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,941,925 km

• M1: 182,809 km (0.106 R)
• M2: 704,157 km (0.065 R)
• M3: 1,308,233 km (0.085 R)
• M4: 1,820,456 km (0.102 R)
• M5: 2,549,597 km (0.094 R)
• M6: 3,571,200 km (0.11 R)
• M7: 4,319,938 km (0.11 R)
• M8: 5,076,005 km (0.084 R)
• M9: 5,897,746 km (0.1 R)
• M10: 7,113,678 km (0.076 R)
• M11: 8,039,539 km (0.106 R)
• M12: 9,474,781 km (0.027 R)
• M13: 10,564,602 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.6

Radius: 12.7

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.9 AU - 2.22 AU

Year: 1880 Days

Day: 9.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,941,925 km

• M1: 157,975 km (0.065 R)
• M2: 603,029 km (0.12 R)
• M3: 1,020,257 km (0.06 R)
• M4: 1,609,972 km (0.115 R)
• M5: 2,140,297 km (0.089 R)
• M6: 2,543,463 km (0.044 R)
• M7: 3,269,910 km (0.078 R)
• M8: 4,072,802 km (0.101 R)
• M9: 4,980,861 km (0.091 R)
• M10: 7,751,713 km (0.117 R)
• M11: 8,428,643 km (0.047 R)
• M12: 10,257,926 km (0.083 R)
• M13: 10,847,641 km (0.118 R)
• M14: 11,814,193 km (0.069 R)
• M15: 12,669,743 km (0.102 R)
• M16: 16,560,035 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.8

Radius: 9.8

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.33 AU - 2.61 AU

Year: 2468 Days

Day: 14.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,941,925 km

• M1: 122,820 km (0.114 R)
• M2: 435,330 km (0.114 R)
• M3: 766,689 km (0.11 R)
• M4: 1,090,718 km (0.104 R)
• M5: 1,527,693 km (0.074 R)
• M6: 2,304,406 km (0.036 R)
• M7: 2,833,982 km (0.103 R)
• M8: 3,241,636 km (0.095 R)
• M9: 3,908,095 km (0.098 R)
• M10: 4,294,207 km (0.044 R)
• M11: 4,600,434 km (0.102 R)
• M12: 5,349,021 km (0.074 R)
• M13: 5,777,171 km (0.038 R)
• M14: 6,253,789 km (0.064 R)
• M15: 6,568,244 km (0.109 R)
• M16: 7,059,673 km (0.091 R)
• M17: 7,842,668 km (0.082 R)
• M18: 9,008,485 km (0.091 R)
• M19: 9,859,098 km (0.087 R)
• M20: 10,577,467 km (0.072 R)
• M21: 10,987,216 km (0.115 R)
• M22: 12,649,996 km (0.054 R)
• M23: 14,474,342 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.1

Radius: 8.4

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.33 AU - 2.73 AU

Year: 2559 Days

Day: 12.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,941,925 km

• M1: 104,419 km (0.029 R)
• M2: 438,920 km (0.119 R)
• M3: 1,220,419 km (0.084 R)
• M4: 1,882,390 km (0.11 R)
• M5: 2,154,808 km (0.061 R)
• M6: 2,734,200 km (0.059 R)
• M7: 3,521,833 km (0.108 R)
• M8: 3,802,927 km (0.033 R)
• M9: 5,175,189 km (0.079 R)
• M10: 5,465,259 km (0.103 R)
• M11: 5,766,250 km (0.107 R)
• M12: 6,265,608 km (0.078 R)
• M13: 6,850,685 km (0.088 R)
• M14: 8,033,256 km (0.069 R)
• M15: 9,560,800 km (0.115 R)
• M16: 10,035,923 km (0.101 R)
• M17: 11,272,798 km (0.038 R)
• M18: 11,844,711 km (0.052 R)
• M19: 12,826,073 km (0.081 R)
• M20: 13,494,775 km (0.086 R)
• M21: 13,814,615 km (0.12 R)
• M22: 14,139,692 km (0.117 R)
• M23: 14,660,591 km (0.06 R)
• M24: 15,441,043 km (0.105 R)
• M25: 15,892,081 km (0.079 R)
• M26: 16,873,144 km (0.113 R)
• M27: 18,391,861 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.1

Radius: 9.2

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.01 AU - 3.25 AU

Year: 2712 Days

Day: 7.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,941,925 km

• M1: 114,442 km (0.029 R)
• M2: 448,494 km (0.103 R)
• M3: 885,919 km (0.119 R)
• M4: 1,783,207 km (0.105 R)
• M5: 2,108,881 km (0.117 R)
• M6: 2,474,349 km (0.065 R)
• M7: 3,161,302 km (0.059 R)
• M8: 3,642,409 km (0.109 R)
• M9: 4,933,588 km (0.089 R)
• M10: 6,845,748 km (0.117 R)
• M11: 7,903,555 km (0.114 R)
• M12: 9,490,788 km (0.028 R)
• M13: 9,927,913 km (0.108 R)
• M14: 10,725,419 km (0.075 R)
• M15: 12,190,730 km (0.119 R)
• M16: 12,620,525 km (0.102 R)
• M17: 17,275,413 km (0.09 R)
• M18: 17,817,854 km (0.048 R)
• M19: 18,709,458 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.3

Radius: 10

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.78 AU - 5.46 AU

Year: 6314 Days

Day: 12.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,941,925 km

• M1: 124,316 km (0.09 R)
• M2: 892,501 km (0.103 R)
• M3: 1,275,771 km (0.075 R)
• M4: 2,386,385 km (0.117 R)
• M5: 2,736,145 km (0.061 R)
• M6: 3,205,583 km (0.12 R)
• M7: 3,923,055 km (0.087 R)
• M8: 4,333,402 km (0.061 R)
• M9: 5,002,702 km (0.067 R)
• M10: 7,543,622 km (0.09 R)
• M11: 8,098,930 km (0.113 R)
• M12: 10,117,005 km (0.06 R)
• M13: 10,694,303 km (0.084 R)
• M14: 12,558,592 km (0.12 R)
• M15: 13,112,852 km (0.1 R)
• M16: 13,916,043 km (0.106 R)
• M17: 16,654,581 km (0.096 R)
• M18: 19,002,819 km (0.108 R)
• M19: 19,659,554 km (0.106 R)
• M20: 20,180,902 km (0.1 R)
• M21: 21,958,574 km (0.05 R)
• M22: 22,681,880 km (0.115 R)
• M23: 23,008,452 km (0.114 R)
• M24: 28,859,972 km (0.088 R)
• M25: 29,923,015 km (0.12 R)
• M26: 33,373,639 km (0.103 R)
• M27: 34,008,982 km (0.042 R)
• M28: 37,876,834 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.6

Radius: 10.3

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.47 AU - 6.29 AU

Year: 9066 Days

Day: 6.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,941,925 km

• M1: 128,056 km (0.097 R)
• M2: 453,431 km (0.084 R)
• M3: 1,075,309 km (0.077 R)
• M4: 1,803,552 km (0.117 R)
• M5: 2,155,705 km (0.112 R)
• M6: 2,651,473 km (0.109 R)
• M7: 2,980,139 km (0.047 R)
• M8: 3,501,039 km (0.105 R)
• M9: 4,904,117 km (0.111 R)
• M10: 7,145,393 km (0.043 R)
• M11: 7,829,205 km (0.055 R)
• M12: 8,294,454 km (0.105 R)
• M13: 9,515,322 km (0.118 R)
• M14: 10,595,568 km (0.078 R)
• M15: 11,377,666 km (0.105 R)
• M16: 11,865,206 km (0.091 R)
• M17: 13,894,650 km (0.092 R)
• M18: 16,900,520 km (0.084 R)
• M19: 19,383,396 km (0.094 R)
• M20: 22,859,452 km (0.116 R)
• M21: 23,723,679 km (0.067 R)
• M22: 24,075,533 km (0.06 R)
• M23: 28,374,677 km (0.102 R)
• M24: 31,756,786 km (0.119 R)
• M25: 33,710,384 km (0.062 R)
• M26: 35,056,466 km (0.067 R)
• M27: 36,321,615 km (0.11 R)
• M28: 36,789,108 km (0.088 R)
• M29: 42,716,774 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.4

Radius: 6

Gravity: 13.12 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.76 AU - 6.86 AU

Year: 11299 Days

Day: 16.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,941,925 km

• M1: 74,649 km (0.075 R)
• M2: 1,388,867 km (0.084 R)
• M3: 2,126,683 km (0.069 R)
• M4: 3,212,764 km (0.103 R)
• M5: 3,521,683 km (0.102 R)
• M6: 4,510,077 km (0.105 R)
• M7: 7,019,880 km (0.091 R)
• M8: 7,873,486 km (0.071 R)
• M9: 8,347,412 km (0.119 R)
• M10: 8,613,696 km (0.058 R)
• M11: 9,210,292 km (0.102 R)
• M12: 9,687,659 km (0.057 R)
• M13: 12,098,429 km (0.103 R)
• M14: 12,729,133 km (0.088 R)
• M15: 21,507,835 km (0.101 R)
• M16: 23,558,673 km (0.102 R)
• M17: 38,537,159 km (0.077 R)
• M18: 39,898,949 km (0.109 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 17,971 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit