🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.5

Radius: 9.6

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.75 AU - 0.87 AU

Year: 486 Days

Day: 12.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,809,899 km

• M1: 119,529 km (0.104 R)
• M2: 425,456 km (0.05 R)
• M3: 798,703 km (0.114 R)
• M4: 1,155,045 km (0.11 R)
• M5: 1,653,206 km (0.064 R)
• M6: 2,228,260 km (0.051 R)
• M7: 2,577,422 km (0.115 R)
• M8: 2,910,427 km (0.106 R)
• M9: 3,470,072 km (0.096 R)
• M10: 4,262,043 km (0.082 R)
• M11: 4,878,835 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.8

Radius: 10.6

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.09 AU - 1.25 AU

Year: 844 Days

Day: 8 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,809,899 km

• M1: 134,937 km (0.078 R)
• M2: 484,398 km (0.116 R)
• M3: 870,211 km (0.068 R)
• M4: 1,267,543 km (0.12 R)
• M5: 1,646,325 km (0.089 R)
• M6: 2,101,252 km (0.111 R)
• M7: 3,186,135 km (0.094 R)
• M8: 3,629,244 km (0.061 R)
• M9: 3,978,406 km (0.11 R)
• M10: 4,449,938 km (0.088 R)
• M11: 5,340,794 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.4

Radius: 11.4

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.11 AU - 1.27 AU

Year: 866 Days

Day: 7.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,809,899 km

• M1: 141,819 km (0.118 R)
• M2: 574,755 km (0.086 R)
• M3: 1,168,210 km (0.066 R)
• M4: 1,807,890 km (0.032 R)
• M5: 2,381,299 km (0.096 R)
• M6: 2,841,462 km (0.097 R)
• M7: 3,235,204 km (0.058 R)
• M8: 3,620,867 km (0.052 R)
• M9: 4,085,518 km (0.111 R)
• M10: 4,572,459 km (0.107 R)
• M11: 5,004,348 km (0.034 R)
• M12: 6,013,685 km (0.119 R)
• M13: 6,444,826 km (0.091 R)
• M14: 7,153,770 km (0.055 R)
• M15: 8,016,052 km (0.094 R)
• M16: 8,539,046 km (0.067 R)
• M17: 9,509,189 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.7

Radius: 14.1

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.53 AU - 1.85 AU

Year: 1465 Days

Day: 11.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,809,899 km

• M1: 175,329 km (0.085 R)
• M2: 678,426 km (0.098 R)
• M3: 1,418,337 km (0.071 R)
• M4: 2,021,815 km (0.102 R)
• M5: 2,500,379 km (0.064 R)
• M6: 3,140,957 km (0.095 R)
• M7: 3,643,606 km (0.117 R)
• M8: 4,253,367 km (0.116 R)
• M9: 4,716,372 km (0.078 R)
• M10: 6,196,194 km (0.055 R)
• M11: 7,247,867 km (0.05 R)
• M12: 8,969,739 km (0.079 R)
• M13: 10,087,085 km (0.11 R)
• M14: 11,862,513 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.4

Radius: 9

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.17 AU - 3.37 AU

Year: 3074 Days

Day: 10 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,809,899 km

• M1: 116,986 km (0.098 R)
• M2: 402,867 km (0.051 R)
• M3: 694,284 km (0.041 R)
• M4: 1,037,910 km (0.091 R)
• M5: 1,445,265 km (0.099 R)
• M6: 1,994,738 km (0.097 R)
• M7: 2,353,623 km (0.059 R)
• M8: 3,202,292 km (0.12 R)
• M9: 3,564,169 km (0.065 R)
• M10: 4,956,477 km (0.082 R)
• M11: 7,772,806 km (0.082 R)
• M12: 8,063,774 km (0.077 R)
• M13: 9,337,002 km (0.088 R)
• M14: 10,699,689 km (0.081 R)
• M15: 12,320,731 km (0.081 R)
• M16: 13,121,528 km (0.109 R)
• M17: 16,356,582 km (0.114 R)
• M18: 17,268,681 km (0.075 R)
• M19: 20,391,686 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.5

Radius: 13.8

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.39 AU - 3.77 AU

Year: 3605 Days

Day: 10.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,809,899 km

• M1: 171,589 km (0.118 R)
• M2: 605,273 km (0.111 R)
• M3: 1,193,791 km (0.117 R)
• M4: 2,273,738 km (0.11 R)
• M5: 2,917,757 km (0.057 R)
• M6: 4,078,936 km (0.116 R)
• M7: 5,422,324 km (0.099 R)
• M8: 6,460,384 km (0.102 R)
• M9: 7,593,588 km (0.081 R)
• M10: 8,278,297 km (0.072 R)
• M11: 12,063,273 km (0.108 R)
• M12: 14,589,832 km (0.032 R)
• M13: 16,198,457 km (0.085 R)
• M14: 17,744,701 km (0.061 R)
• M15: 20,149,188 km (0.107 R)
• M16: 22,973,595 km (0.063 R)
• M17: 24,480,495 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.6

Radius: 11

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.84 AU - 4.24 AU

Year: 4442 Days

Day: 9.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,809,899 km

• M1: 137,181 km (0.108 R)
• M2: 562,189 km (0.103 R)
• M3: 956,379 km (0.054 R)
• M4: 1,404,275 km (0.099 R)
• M5: 1,779,018 km (0.113 R)
• M6: 2,350,332 km (0.103 R)
• M7: 3,443,743 km (0.081 R)
• M8: 4,137,129 km (0.106 R)
• M9: 5,297,410 km (0.066 R)
• M10: 6,079,807 km (0.08 R)
• M11: 6,543,411 km (0.095 R)
• M12: 7,187,729 km (0.119 R)
• M13: 7,773,105 km (0.051 R)
• M14: 8,390,197 km (0.114 R)
• M15: 9,225,850 km (0.119 R)
• M16: 10,317,017 km (0.085 R)
• M17: 10,978,090 km (0.108 R)
• M18: 12,112,192 km (0.071 R)
• M19: 13,179,124 km (0.111 R)
• M20: 15,446,429 km (0.117 R)
• M21: 16,422,106 km (0.035 R)
• M22: 19,972,662 km (0.031 R)
• M23: 20,481,744 km (0.109 R)
• M24: 21,130,250 km (0.029 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.5

Radius: 12.3

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.64 AU - 4.56 AU

Year: 5536 Days

Day: 12.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,809,899 km

• M1: 153,338 km (0.083 R)
• M2: 544,237 km (0.061 R)
• M3: 954,434 km (0.091 R)
• M4: 1,695,393 km (0.112 R)
• M5: 2,541,219 km (0.119 R)
• M6: 2,962,786 km (0.056 R)
• M7: 3,925,747 km (0.086 R)
• M8: 6,043,006 km (0.066 R)
• M9: 7,258,189 km (0.058 R)
• M10: 7,697,558 km (0.073 R)
• M11: 8,311,059 km (0.063 R)
• M12: 8,874,445 km (0.075 R)
• M13: 9,723,413 km (0.084 R)
• M14: 10,579,262 km (0.099 R)
• M15: 11,338,471 km (0.09 R)
• M16: 14,227,505 km (0.085 R)
• M17: 14,685,275 km (0.11 R)
• M18: 15,211,859 km (0.066 R)
• M19: 16,303,026 km (0.113 R)
• M20: 17,187,150 km (0.12 R)
• M21: 20,899,421 km (0.091 R)
• M22: 23,020,420 km (0.118 R)
• M23: 23,652,022 km (0.068 R)
• M24: 24,784,926 km (0.103 R)
• M25: 25,198,116 km (0.096 R)
• M26: 27,686,676 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.2

Radius: 4

Gravity: 31.01 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.79 AU - 6.93 AU

Year: 9460 Days

Day: 21.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 36,809,899 km

• M1: 67,917 km (0.106 R)
• M2: 219,460 km (0.076 R)
• M3: 461,509 km (0.103 R)
• M4: 704,905 km (0.115 R)
• M5: 847,322 km (0.066 R)
• M6: 1,382,135 km (0.095 R)
• M7: 1,934,899 km (0.11 R)
• M8: 2,701,438 km (0.06 R)
• M9: 3,275,595 km (0.115 R)
• M10: 3,531,258 km (0.107 R)
• M11: 4,004,286 km (0.12 R)
• M12: 4,805,981 km (0.054 R)
• M13: 4,984,302 km (0.09 R)
• M14: 5,136,293 km (0.109 R)
• M15: 5,417,687 km (0.057 R)
• M16: 5,676,342 km (0.12 R)
• M17: 6,430,165 km (0.109 R)
• M18: 7,562,472 km (0.086 R)
• M19: 7,803,923 km (0.09 R)
• M20: 8,910,199 km (0.118 R)
• M21: 9,362,134 km (0.106 R)
• M22: 9,687,509 km (0.075 R)
• M23: 10,558,767 km (0.119 R)
• M24: 12,344,816 km (0.1 R)
• M25: 12,511,468 km (0.113 R)
• M26: 12,963,104 km (0.073 R)
• M27: 13,899,138 km (0.056 R)
• M28: 17,182,213 km (0.097 R)
• M29: 18,965,569 km (0.114 R)
• M30: 19,113,222 km (0.073 R)
• M31: 19,636,516 km (0.098 R)
• M32: 22,645,078 km (0.059 R)
• M33: 22,894,907 km (0.115 R)
• M34: 24,432,623 km (0.104 R)
• M35: 25,765,540 km (0.088 R)
• M36: 28,478,498 km (0.102 R)
• M37: 32,948,931 km (0.115 R)
• M38: 33,269,669 km (0.057 R)
• M39: 35,686,123 km (0.075 R)
• M40: 37,515,256 km (0.108 R)
• M41: 38,452,786 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56

Radius: 7.6

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 8.8 AU - 12.72 AU

Year: 23537 Days

Day: 23.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,809,899 km

• M1: 125,961 km (0.077 R)
• M2: 371,003 km (0.041 R)
• M3: 2,624,994 km (0.117 R)
• M4: 3,738,600 km (0.097 R)
• M5: 4,601,780 km (0.099 R)
• M6: 5,227,249 km (0.111 R)
• M7: 8,265,282 km (0.038 R)
• M8: 9,764,403 km (0.063 R)
• M9: 13,069,468 km (0.12 R)
• M10: 15,708,076 km (0.093 R)
• M11: 18,127,971 km (0.091 R)
• M12: 20,264,228 km (0.095 R)
• M13: 30,009,482 km (0.111 R)
• M14: 31,375,012 km (0.118 R)
• M15: 34,439,674 km (0.062 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: 403 - 15,416 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit