🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.9

Radius: 9.4

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.91 AU - 1.37 AU

Year: 798 Days

Day: 9.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,324,466 km

• M1: 116,836 km (0.118 R)
• M2: 425,756 km (0.061 R)
• M3: 888,611 km (0.077 R)
• M4: 1,275,771 km (0.079 R)
• M5: 1,655,300 km (0.092 R)
• M6: 2,139,399 km (0.105 R)
• M7: 2,453,704 km (0.116 R)
• M8: 3,337,528 km (0.072 R)
• M9: 4,098,234 km (0.097 R)
• M10: 5,042,196 km (0.107 R)
• M11: 5,565,490 km (0.11 R)
• M12: 6,022,062 km (0.085 R)
• M13: 6,417,898 km (0.067 R)
• M14: 7,101,112 km (0.117 R)
• M15: 7,401,654 km (0.075 R)
• M16: 7,734,958 km (0.091 R)
• M17: 8,329,609 km (0.112 R)
• M18: 8,742,799 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.6

Radius: 14.1

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.54 AU - 1.98 AU

Year: 1532 Days

Day: 14.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 79,324,466 km

• M1: 176,675 km (0.058 R)
• M2: 1,200,673 km (0.117 R)
• M3: 2,257,581 km (0.117 R)
• M4: 2,878,712 km (0.06 R)
• M5: 3,520,038 km (0.07 R)
• M6: 4,100,478 km (0.098 R)
• M7: 5,750,692 km (0.116 R)
• M8: 6,559,867 km (0.078 R)
• M9: 7,215,704 km (0.106 R)
• M10: 9,631,261 km (0.064 R)
• M11: 10,707,916 km (0.101 R)
• M12: 11,309,599 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.9

Radius: 12.9

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.44 AU - 3.82 AU

Year: 3633 Days

Day: 10.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 79,324,466 km

• M1: 160,369 km (0.042 R)
• M2: 762,351 km (0.079 R)
• M3: 1,274,424 km (0.112 R)
• M4: 2,287,351 km (0.076 R)
• M5: 3,067,953 km (0.071 R)
• M6: 3,633,583 km (0.1 R)
• M7: 4,086,116 km (0.092 R)
• M8: 5,426,214 km (0.067 R)
• M9: 5,846,285 km (0.084 R)
• M10: 6,318,116 km (0.042 R)
• M11: 7,272,102 km (0.096 R)
• M12: 7,889,193 km (0.108 R)
• M13: 8,466,791 km (0.091 R)
• M14: 9,386,070 km (0.063 R)
• M15: 12,935,728 km (0.083 R)
• M16: 14,154,951 km (0.092 R)
• M17: 14,577,864 km (0.077 R)
• M18: 16,703,649 km (0.105 R)
• M19: 18,086,682 km (0.108 R)
• M20: 21,701,415 km (0.112 R)
• M21: 23,273,539 km (0.096 R)
• M22: 24,388,193 km (0.076 R)
• M23: 27,208,113 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.8

Radius: 9

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.72 AU - 4.92 AU

Year: 6942 Days

Day: 13.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,324,466 km

• M1: 111,899 km (0.104 R)
• M2: 1,267,992 km (0.114 R)
• M3: 2,647,284 km (0.099 R)
• M4: 4,833,358 km (0.057 R)
• M5: 5,591,669 km (0.06 R)
• M6: 6,314,975 km (0.093 R)
• M7: 6,713,803 km (0.081 R)
• M8: 7,625,303 km (0.116 R)
• M9: 8,616,987 km (0.042 R)
• M10: 8,930,694 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.5

Radius: 14.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.31 AU - 6.23 AU

Year: 9092 Days

Day: 12.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,324,466 km

• M1: 175,478 km (0.077 R)
• M2: 644,168 km (0.035 R)
• M3: 1,187,358 km (0.074 R)
• M4: 1,640,939 km (0.119 R)
• M5: 2,470,609 km (0.093 R)
• M6: 3,093,684 km (0.103 R)
• M7: 3,565,964 km (0.095 R)
• M8: 4,394,737 km (0.088 R)
• M9: 5,892,660 km (0.076 R)
• M10: 7,879,170 km (0.057 R)
• M11: 8,405,156 km (0.1 R)
• M12: 8,861,430 km (0.093 R)
• M13: 12,535,554 km (0.104 R)
• M14: 13,132,599 km (0.05 R)
• M15: 15,238,488 km (0.113 R)
• M16: 16,905,607 km (0.045 R)
• M17: 19,078,665 km (0.096 R)
• M18: 20,273,055 km (0.047 R)
• M19: 27,699,691 km (0.076 R)
• M20: 30,281,751 km (0.107 R)
• M21: 35,327,238 km (0.085 R)
• M22: 37,986,789 km (0.091 R)
• M23: 40,517,985 km (0.081 R)
• M24: 46,620,830 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.3

Radius: 7.1

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 8.25 AU - 9.51 AU

Year: 17359 Days

Day: 20.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,324,466 km

• M1: 88,412 km (0.101 R)
• M2: 590,014 km (0.088 R)
• M3: 1,583,942 km (0.111 R)
• M4: 3,826,863 km (0.034 R)
• M5: 4,660,273 km (0.053 R)
• M6: 5,505,351 km (0.027 R)
• M7: 5,784,800 km (0.112 R)
• M8: 8,148,746 km (0.051 R)
• M9: 9,870,767 km (0.114 R)
• M10: 10,231,746 km (0.053 R)
• M11: 10,870,978 km (0.106 R)
• M12: 12,347,210 km (0.115 R)
• M13: 13,071,712 km (0.096 R)
• M14: 13,507,192 km (0.09 R)
• M15: 13,888,218 km (0.093 R)
• M16: 15,415,313 km (0.094 R)
• M17: 16,183,797 km (0.061 R)
• M18: 20,747,429 km (0.103 R)
• M19: 21,084,773 km (0.089 R)
• M20: 24,661,658 km (0.084 R)
• M21: 27,799,174 km (0.11 R)
• M22: 28,415,816 km (0.067 R)
• M23: 31,858,961 km (0.106 R)
• M24: 33,796,553 km (0.083 R)
• M25: 35,330,230 km (0.105 R)
• M26: 36,296,931 km (0.103 R)
• M27: 48,119,801 km (0.097 R)
• M28: 48,859,562 km (0.104 R)
• M29: 51,277,513 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.9

Radius: 7.7

Gravity: 15.13 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.28 AU - 11.32 AU

Year: 18605 Days

Day: 23.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,324,466 km

• M1: 96,491 km (0.111 R)
• M2: 396,584 km (0.034 R)
• M3: 647,759 km (0.113 R)
• M4: 927,956 km (0.117 R)
• M5: 2,088,685 km (0.064 R)
• M6: 2,365,890 km (0.12 R)
• M7: 2,643,544 km (0.106 R)
• M8: 2,943,039 km (0.089 R)
• M9: 3,320,923 km (0.074 R)
• M10: 4,512,171 km (0.106 R)
• M11: 5,636,549 km (0.079 R)
• M12: 6,438,992 km (0.068 R)
• M13: 7,657,616 km (0.088 R)
• M14: 8,426,998 km (0.057 R)
• M15: 9,647,118 km (0.06 R)
• M16: 11,429,876 km (0.044 R)
• M17: 13,205,602 km (0.111 R)
• M18: 13,713,487 km (0.086 R)
• M19: 14,537,921 km (0.08 R)
• M20: 15,236,543 km (0.065 R)
• M21: 19,812,443 km (0.076 R)
• M22: 30,413,247 km (0.071 R)
• M23: 31,043,952 km (0.1 R)
• M24: 32,593,187 km (0.033 R)
• M25: 35,845,146 km (0.072 R)
• M26: 43,620,346 km (0.09 R)
• M27: 44,583,905 km (0.097 R)
• M28: 45,890,643 km (0.071 R)
• M29: 48,238,731 km (0.058 R)
• M30: 52,628,681 km (0.117 R)
• M31: 57,853,536 km (0.069 R)
• M32: 59,603,532 km (0.112 R)
• M33: 64,857,259 km (0.067 R)
• M34: 74,893,631 km (0.113 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 12,701 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit