🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.9

Radius: 9.5

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.41 AU - 0.61 AU

Year: 247 Days

Day: 9 Hours

Environment

Temp: -147 °C

Axial Tilt: 174.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,831,288 km

• M1: 118,182 km (0.059 R)
• M2: 422,913 km (0.042 R)
• M3: 738,265 km (0.075 R)
• M4: 1,187,657 km (0.095 R)
• M5: 1,529,189 km (0.077 R)
• M6: 1,929,364 km (0.113 R)
• M7: 2,712,060 km (0.073 R)
• M8: 3,411,579 km (0.114 R)
• M9: 3,941,455 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.3

Radius: 14.2

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.35 AU - 1.73 AU

Year: 1296 Days

Day: 8.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,831,288 km

• M1: 176,675 km (0.116 R)
• M2: 807,081 km (0.113 R)
• M3: 2,322,058 km (0.069 R)
• M4: 2,904,443 km (0.089 R)
• M5: 3,765,079 km (0.07 R)
• M6: 4,385,611 km (0.096 R)
• M7: 5,411,853 km (0.06 R)
• M8: 6,767,508 km (0.089 R)
• M9: 9,335,655 km (0.117 R)
• M10: 9,977,430 km (0.1 R)
• M11: 10,682,934 km (0.081 R)
• M12: 11,969,475 km (0.094 R)
• M13: 12,689,041 km (0.03 R)
• M14: 13,437,180 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.8

Radius: 9.7

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2 AU - 2.6 AU

Year: 2366 Days

Day: 5 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,831,288 km

• M1: 128,953 km (0.103 R)
• M2: 481,855 km (0.096 R)
• M3: 835,654 km (0.081 R)
• M4: 1,217,876 km (0.093 R)
• M5: 1,590,225 km (0.113 R)
• M6: 2,050,688 km (0.115 R)
• M7: 2,498,584 km (0.095 R)
• M8: 2,899,805 km (0.048 R)
• M9: 3,413,524 km (0.071 R)
• M10: 4,390,099 km (0.094 R)
• M11: 5,815,916 km (0.051 R)
• M12: 6,124,088 km (0.12 R)
• M13: 8,177,917 km (0.094 R)
• M14: 9,170,200 km (0.097 R)
• M15: 9,695,438 km (0.097 R)
• M16: 10,426,972 km (0.115 R)
• M17: 10,883,395 km (0.077 R)
• M18: 11,713,962 km (0.034 R)
• M19: 12,041,282 km (0.114 R)
• M20: 15,027,555 km (0.079 R)
• M21: 15,365,646 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.1

Radius: 9.5

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.63 AU - 3.11 AU

Year: 3298 Days

Day: 5.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,831,288 km

• M1: 118,182 km (0.095 R)
• M2: 777,011 km (0.037 R)
• M3: 1,465,311 km (0.077 R)
• M4: 2,040,814 km (0.104 R)
• M5: 2,716,398 km (0.114 R)
• M6: 3,658,416 km (0.115 R)
• M7: 4,549,421 km (0.057 R)
• M8: 5,250,137 km (0.082 R)
• M9: 9,321,294 km (0.119 R)
• M10: 10,267,799 km (0.069 R)
• M11: 12,640,422 km (0.065 R)
• M12: 14,065,790 km (0.079 R)
• M13: 14,563,802 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.9

Radius: 8.7

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.01 AU - 3.11 AU

Year: 3631 Days

Day: 7.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,831,288 km

• M1: 108,758 km (0.047 R)
• M2: 403,615 km (0.117 R)
• M3: 744,399 km (0.104 R)
• M4: 1,358,349 km (0.071 R)
• M5: 1,745,508 km (0.072 R)
• M6: 2,965,179 km (0.113 R)
• M7: 3,329,600 km (0.082 R)
• M8: 4,629,306 km (0.091 R)
• M9: 9,286,138 km (0.074 R)
• M10: 13,645,420 km (0.061 R)
• M11: 14,094,363 km (0.03 R)
• M12: 20,022,179 km (0.028 R)
• M13: 21,392,795 km (0.089 R)
• M14: 21,998,965 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.2

Radius: 13.7

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.38 AU - 3.74 AU

Year: 3631 Days

Day: 6.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,831,288 km

• M1: 170,542 km (0.076 R)
• M2: 681,119 km (0.071 R)
• M3: 1,336,208 km (0.058 R)
• M4: 1,875,509 km (0.033 R)
• M5: 2,544,660 km (0.076 R)
• M6: 2,995,847 km (0.107 R)
• M7: 3,462,892 km (0.026 R)
• M8: 4,169,143 km (0.116 R)
• M9: 5,067,628 km (0.103 R)
• M10: 6,877,912 km (0.045 R)
• M11: 8,796,804 km (0.102 R)
• M12: 11,261,429 km (0.06 R)
• M13: 12,311,456 km (0.091 R)
• M14: 13,473,682 km (0.025 R)
• M15: 14,205,365 km (0.114 R)
• M16: 15,169,972 km (0.07 R)
• M17: 17,628,912 km (0.082 R)
• M18: 18,268,294 km (0.117 R)
• M19: 18,862,945 km (0.105 R)
• M20: 20,853,046 km (0.091 R)
• M21: 22,842,548 km (0.037 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840

Radius: 12.5

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.78 AU - 3.52 AU

Year: 3792 Days

Day: 14.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,831,288 km

• M1: 155,731 km (0.115 R)
• M2: 800,498 km (0.105 R)
• M3: 1,402,181 km (0.048 R)
• M4: 3,147,838 km (0.11 R)
• M5: 3,826,863 km (0.115 R)
• M6: 4,270,570 km (0.053 R)
• M7: 5,052,369 km (0.072 R)
• M8: 5,560,403 km (0.069 R)
• M9: 6,805,656 km (0.112 R)
• M10: 8,972,431 km (0.106 R)
• M11: 10,171,309 km (0.077 R)
• M12: 11,384,099 km (0.096 R)
• M13: 12,355,288 km (0.11 R)
• M14: 12,983,749 km (0.111 R)
• M15: 13,837,504 km (0.113 R)
• M16: 18,180,629 km (0.102 R)
• M17: 20,693,873 km (0.083 R)
• M18: 23,139,350 km (0.064 R)
• M19: 23,872,080 km (0.097 R)
• M20: 24,771,612 km (0.119 R)
• M21: 25,461,109 km (0.097 R)
• M22: 26,163,172 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.7

Radius: 9.8

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 4.82 AU - 5.1 AU

Year: 7492 Days

Day: 5 Hours

Environment

Temp: -234 °C

Axial Tilt: 135.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,831,288 km

• M1: 122,221 km (0.096 R)
• M2: 784,491 km (0.084 R)
• M3: 1,228,797 km (0.104 R)
• M4: 2,243,220 km (0.073 R)
• M5: 2,916,261 km (0.103 R)
• M6: 4,850,861 km (0.101 R)
• M7: 5,632,809 km (0.042 R)
• M8: 6,038,069 km (0.089 R)
• M9: 6,563,756 km (0.113 R)
• M10: 6,977,693 km (0.048 R)
• M11: 7,631,436 km (0.103 R)
• M12: 9,883,333 km (0.099 R)
• M13: 10,707,916 km (0.118 R)
• M14: 11,726,977 km (0.101 R)
• M15: 14,701,282 km (0.096 R)
• M16: 15,053,585 km (0.068 R)
• M17: 16,268,619 km (0.11 R)
• M18: 19,309,495 km (0.117 R)
• M19: 20,017,392 km (0.104 R)
• M20: 21,560,344 km (0.06 R)
• M21: 23,498,834 km (0.077 R)
• M22: 24,305,764 km (0.069 R)
• M23: 28,257,392 km (0.073 R)
• M24: 29,077,787 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.3

Radius: 3.1

Gravity: 24.17 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.55 AU - 10.57 AU

Year: 18496 Days

Day: 24.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 76,831,288 km

• M1: 39,943 km (0.118 R)
• M2: 188,793 km (0.112 R)
• M3: 441,164 km (0.084 R)
• M4: 567,126 km (0.085 R)
• M5: 1,007,242 km (0.072 R)
• M6: 1,119,890 km (0.083 R)
• M7: 2,214,946 km (0.11 R)
• M8: 3,283,823 km (0.082 R)
• M9: 7,279,582 km (0.098 R)
• M10: 8,829,715 km (0.099 R)
• M11: 12,444,000 km (0.112 R)
• M12: 18,589,480 km (0.089 R)
• M13: 19,616,918 km (0.096 R)
• M14: 21,185,901 km (0.098 R)
• M15: 24,664,201 km (0.079 R)
• M16: 26,194,886 km (0.097 R)
• M17: 30,511,982 km (0.08 R)
• M18: 31,938,397 km (0.056 R)
• M19: 34,102,331 km (0.053 R)
• M20: 42,510,778 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.4

Radius: 4.5

Gravity: 30.83 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 7.99 AU - 11.89 AU

Year: 21255 Days

Day: 23.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 76,831,288 km

• M1: 57,894 km (0.117 R)
• M2: 220,806 km (0.074 R)
• M3: 550,071 km (0.105 R)
• M4: 756,816 km (0.098 R)
• M5: 907,311 km (0.057 R)
• M6: 1,777,671 km (0.11 R)
• M7: 2,343,151 km (0.094 R)
• M8: 2,691,565 km (0.11 R)
• M9: 3,490,866 km (0.073 R)
• M10: 3,976,461 km (0.102 R)
• M11: 4,137,129 km (0.115 R)
• M12: 5,784,800 km (0.085 R)
• M13: 7,145,841 km (0.114 R)
• M14: 7,577,880 km (0.092 R)
• M15: 7,775,349 km (0.075 R)
• M16: 8,284,132 km (0.12 R)
• M17: 8,653,339 km (0.116 R)
• M18: 8,814,755 km (0.111 R)
• M19: 9,143,871 km (0.118 R)
• M20: 9,595,357 km (0.056 R)
• M21: 11,421,498 km (0.087 R)
• M22: 13,394,993 km (0.049 R)
• M23: 18,620,597 km (0.091 R)
• M24: 19,714,157 km (0.032 R)
• M25: 21,928,505 km (0.056 R)
• M26: 24,410,184 km (0.114 R)
• M27: 26,052,768 km (0.107 R)
• M28: 30,168,954 km (0.104 R)
• M29: 30,915,597 km (0.031 R)
• M30: 32,575,236 km (0.074 R)
• M31: 33,493,168 km (0.091 R)
• M32: 35,932,212 km (0.111 R)
• M33: 37,053,298 km (0.098 R)
• M34: 42,387,360 km (0.098 R)
• M35: 44,273,191 km (0.111 R)
• M36: 51,489,493 km (0.083 R)
• M37: 56,399,145 km (0.097 R)
• M38: 56,586,741 km (0.037 R)
• M39: 65,259,528 km (0.074 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: 367 - 10,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit