🌌 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: 435.3

Radius: 10.1

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.57 AU - 0.81 AU

Year: 389 Days

Day: 10.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,878,836 km

• M1: 125,961 km (0.104 R)
• M2: 364,869 km (0.104 R)
• M3: 648,357 km (0.097 R)
• M4: 1,103,883 km (0.1 R)
• M5: 1,472,941 km (0.118 R)
• M6: 2,034,830 km (0.105 R)
• M7: 2,572,036 km (0.073 R)
• M8: 2,897,711 km (0.092 R)
• M9: 3,289,358 km (0.112 R)
• M10: 3,538,289 km (0.109 R)
• M11: 3,731,120 km (0.091 R)
• M12: 4,005,034 km (0.091 R)
• M13: 4,341,629 km (0.116 R)
• M14: 4,573,955 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.7

Radius: 14.6

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.96 AU - 1.34 AU

Year: 836 Days

Day: 8.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,878,836 km

• M1: 182,659 km (0.074 R)
• M2: 531,222 km (0.085 R)
• M3: 811,120 km (0.115 R)
• M4: 1,443,320 km (0.085 R)
• M5: 1,724,415 km (0.1 R)
• M6: 2,241,574 km (0.092 R)
• M7: 2,532,692 km (0.057 R)
• M8: 2,814,086 km (0.116 R)
• M9: 3,286,815 km (0.08 R)
• M10: 3,597,978 km (0.116 R)
• M11: 4,913,093 km (0.086 R)
• M12: 5,390,011 km (0.096 R)
• M13: 6,090,279 km (0.111 R)
• M14: 6,667,128 km (0.08 R)
• M15: 6,988,764 km (0.092 R)
• M16: 7,445,935 km (0.07 R)
• M17: 7,901,311 km (0.11 R)
• M18: 8,679,668 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.9

Radius: 10.7

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.1 AU - 1.28 AU

Year: 880 Days

Day: 13.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,878,836 km

• M1: 135,386 km (0.059 R)
• M2: 495,618 km (0.078 R)
• M3: 833,111 km (0.107 R)
• M4: 1,061,397 km (0.118 R)
• M5: 1,846,337 km (0.117 R)
• M6: 2,614,223 km (0.114 R)
• M7: 3,040,427 km (0.117 R)
• M8: 3,260,635 km (0.108 R)
• M9: 3,617,725 km (0.063 R)
• M10: 4,069,361 km (0.095 R)
• M11: 5,441,922 km (0.107 R)
• M12: 5,889,219 km (0.079 R)
• M13: 6,119,450 km (0.094 R)
• M14: 6,322,904 km (0.115 R)
• M15: 7,288,259 km (0.07 R)
• M16: 7,493,208 km (0.075 R)
• M17: 7,982,542 km (0.056 R)
• M18: 8,323,626 km (0.049 R)
• M19: 8,542,637 km (0.119 R)
• M20: 10,097,557 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.1

Radius: 12.9

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.61 AU - 2.47 AU

Year: 1976 Days

Day: 6.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,878,836 km

• M1: 168,298 km (0.059 R)
• M2: 469,588 km (0.114 R)
• M3: 716,275 km (0.107 R)
• M4: 1,148,762 km (0.101 R)
• M5: 2,187,570 km (0.042 R)
• M6: 2,709,217 km (0.09 R)
• M7: 3,042,222 km (0.12 R)
• M8: 4,508,132 km (0.071 R)
• M9: 5,069,722 km (0.114 R)
• M10: 5,372,957 km (0.088 R)
• M11: 6,316,172 km (0.064 R)
• M12: 7,202,988 km (0.057 R)
• M13: 7,473,910 km (0.056 R)
• M14: 7,936,616 km (0.095 R)
• M15: 8,292,958 km (0.12 R)
• M16: 8,755,814 km (0.089 R)
• M17: 9,105,125 km (0.098 R)
• M18: 10,626,236 km (0.051 R)
• M19: 10,900,598 km (0.112 R)
• M20: 11,544,916 km (0.109 R)
• M21: 11,830,948 km (0.074 R)
• M22: 12,443,252 km (0.094 R)
• M23: 12,950,239 km (0.07 R)
• M24: 13,253,324 km (0.107 R)
• M25: 15,375,370 km (0.055 R)
• M26: 17,166,954 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.2

Radius: 11.2

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.91 AU - 2.51 AU

Year: 2228 Days

Day: 8.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,878,836 km

• M1: 154,086 km (0.096 R)
• M2: 377,136 km (0.066 R)
• M3: 594,652 km (0.062 R)
• M4: 912,697 km (0.068 R)
• M5: 1,305,092 km (0.074 R)
• M6: 1,879,697 km (0.117 R)
• M7: 2,141,494 km (0.105 R)
• M8: 2,568,745 km (0.049 R)
• M9: 2,862,106 km (0.095 R)
• M10: 3,202,741 km (0.057 R)
• M11: 3,419,807 km (0.119 R)
• M12: 3,926,944 km (0.034 R)
• M13: 4,916,235 km (0.118 R)
• M14: 5,444,016 km (0.105 R)
• M15: 6,062,753 km (0.117 R)
• M16: 6,384,837 km (0.115 R)
• M17: 7,927,939 km (0.036 R)
• M18: 9,911,607 km (0.105 R)
• M19: 10,859,010 km (0.084 R)
• M20: 11,088,344 km (0.051 R)
• M21: 11,495,400 km (0.025 R)
• M22: 11,909,935 km (0.078 R)
• M23: 12,699,513 km (0.117 R)
• M24: 13,010,078 km (0.106 R)
• M25: 13,229,688 km (0.098 R)
• M26: 13,931,900 km (0.119 R)
• M27: 14,159,289 km (0.109 R)
• M28: 15,527,810 km (0.118 R)
• M29: 17,901,629 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.4

Radius: 13.4

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.41 AU - 3.57 AU

Year: 3507 Days

Day: 12 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,878,836 km

• M1: 184,604 km (0.082 R)
• M2: 558,150 km (0.106 R)
• M3: 813,962 km (0.09 R)
• M4: 1,143,377 km (0.104 R)
• M5: 2,072,828 km (0.117 R)
• M6: 2,598,365 km (0.036 R)
• M7: 3,398,714 km (0.116 R)
• M8: 3,690,729 km (0.051 R)
• M9: 5,094,705 km (0.104 R)
• M10: 5,362,934 km (0.053 R)
• M11: 6,016,228 km (0.09 R)
• M12: 6,657,554 km (0.108 R)
• M13: 7,791,207 km (0.114 R)
• M14: 8,151,887 km (0.113 R)
• M15: 9,045,734 km (0.088 R)
• M16: 9,344,182 km (0.1 R)
• M17: 11,271,452 km (0.088 R)
• M18: 13,166,557 km (0.099 R)
• M19: 13,527,088 km (0.108 R)
• M20: 14,263,110 km (0.054 R)
• M21: 15,715,855 km (0.036 R)
• M22: 16,189,332 km (0.1 R)
• M23: 19,571,590 km (0.083 R)
• M24: 23,421,043 km (0.119 R)
• M25: 24,535,696 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.2

Radius: 9.6

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.76 AU - 6.26 AU

Year: 7606 Days

Day: 13.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,878,836 km

• M1: 132,993 km (0.114 R)
• M2: 695,481 km (0.074 R)
• M3: 956,080 km (0.044 R)
• M4: 1,237,474 km (0.047 R)
• M5: 1,975,290 km (0.117 R)
• M6: 2,364,993 km (0.048 R)
• M7: 3,301,924 km (0.085 R)
• M8: 3,489,819 km (0.109 R)
• M9: 3,881,616 km (0.101 R)
• M10: 6,069,036 km (0.083 R)
• M11: 9,534,620 km (0.081 R)
• M12: 9,734,782 km (0.059 R)
• M13: 11,324,409 km (0.074 R)
• M14: 11,718,600 km (0.088 R)
• M15: 14,081,648 km (0.11 R)
• M16: 15,118,361 km (0.115 R)
• M17: 15,676,062 km (0.114 R)
• M18: 17,035,009 km (0.099 R)
• M19: 17,518,808 km (0.066 R)
• M20: 18,009,190 km (0.107 R)
• M21: 20,446,738 km (0.039 R)
• M22: 23,665,186 km (0.077 R)
• M23: 28,140,855 km (0.116 R)
• M24: 30,453,190 km (0.052 R)
• M25: 30,811,477 km (0.119 R)
• M26: 32,560,874 km (0.096 R)
• M27: 34,206,900 km (0.078 R)
• M28: 35,275,776 km (0.081 R)
• M29: 39,227,404 km (0.074 R)
• M30: 41,198,805 km (0.116 R)
• M31: 41,532,109 km (0.065 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.3

Radius: 14.7

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.05 AU - 6.45 AU

Year: 8159 Days

Day: 14.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,878,836 km

• M1: 183,257 km (0.1 R)
• M2: 674,238 km (0.109 R)
• M3: 1,063,042 km (0.09 R)
• M4: 2,471,058 km (0.098 R)
• M5: 3,566,413 km (0.076 R)
• M6: 4,257,855 km (0.074 R)
• M7: 5,106,523 km (0.095 R)
• M8: 5,908,667 km (0.064 R)
• M9: 6,477,139 km (0.074 R)
• M10: 7,211,365 km (0.115 R)
• M11: 7,868,848 km (0.094 R)
• M12: 8,283,384 km (0.103 R)
• M13: 9,208,497 km (0.046 R)
• M14: 10,553,681 km (0.07 R)
• M15: 11,561,522 km (0.096 R)
• M16: 12,101,121 km (0.059 R)
• M17: 12,952,782 km (0.119 R)
• M18: 15,271,998 km (0.119 R)
• M19: 15,642,851 km (0.057 R)
• M20: 18,140,238 km (0.037 R)
• M21: 18,499,273 km (0.032 R)
• M22: 18,953,302 km (0.087 R)
• M23: 21,989,989 km (0.058 R)
• M24: 23,746,867 km (0.115 R)
• M25: 24,833,695 km (0.055 R)
• M26: 25,571,811 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.5

Radius: 3.7

Gravity: 51.83 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.5 AU - 6.62 AU

Year: 10118 Days

Day: 20.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,878,836 km

• M1: 81,680 km (0.098 R)
• M2: 350,807 km (0.07 R)
• M3: 584,329 km (0.112 R)
• M4: 1,016,817 km (0.092 R)
• M5: 1,827,488 km (0.113 R)
• M6: 2,118,306 km (0.09 R)
• M7: 2,199,537 km (0.088 R)
• M8: 3,025,318 km (0.06 R)
• M9: 3,475,308 km (0.088 R)
• M10: 5,046,535 km (0.077 R)
• M11: 6,165,527 km (0.104 R)
• M12: 8,055,845 km (0.106 R)
• M13: 8,294,903 km (0.118 R)
• M14: 9,629,465 km (0.087 R)
• M15: 14,285,699 km (0.115 R)
• M16: 15,033,539 km (0.064 R)
• M17: 15,469,617 km (0.102 R)
• M18: 15,689,974 km (0.103 R)
• M19: 16,135,327 km (0.077 R)
• M20: 17,102,328 km (0.083 R)
• M21: 20,741,446 km (0.103 R)
• M22: 21,382,173 km (0.107 R)
• M23: 21,511,426 km (0.113 R)
• M24: 22,892,813 km (0.088 R)
• M25: 25,855,598 km (0.042 R)
• M26: 27,587,792 km (0.105 R)
• M27: 28,848,753 km (0.093 R)
• M28: 29,603,773 km (0.098 R)
• M29: 35,493,890 km (0.067 R)
• M30: 37,604,716 km (0.115 R)
• M31: 39,074,964 km (0.066 R)
• M32: 41,918,969 km (0.119 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 20,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit