🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.3

Radius: 9.7

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.71 AU - 0.79 AU

Year: 433 Days

Day: 9.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,619,552 km

• M1: 120,576 km (0.109 R)
• M2: 605,572 km (0.077 R)
• M3: 921,074 km (0.066 R)
• M4: 1,300,454 km (0.086 R)
• M5: 1,830,779 km (0.101 R)
• M6: 2,609,436 km (0.105 R)
• M7: 3,035,191 km (0.044 R)
• M8: 3,372,534 km (0.065 R)
• M9: 4,054,551 km (0.077 R)
• M10: 4,363,471 km (0.058 R)
• M11: 4,779,502 km (0.114 R)
• M12: 5,336,754 km (0.058 R)
• M13: 5,708,804 km (0.074 R)
• M14: 6,044,053 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.1

Radius: 13.3

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.75 AU - 1.21 AU

Year: 647 Days

Day: 13.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,619,552 km

• M1: 165,455 km (0.12 R)
• M2: 590,463 km (0.105 R)
• M3: 1,023,549 km (0.066 R)
• M4: 1,542,354 km (0.104 R)
• M5: 2,030,043 km (0.103 R)
• M6: 2,508,158 km (0.107 R)
• M7: 2,992,705 km (0.115 R)
• M8: 3,450,325 km (0.108 R)
• M9: 4,053,055 km (0.092 R)
• M10: 4,788,777 km (0.084 R)
• M11: 5,772,832 km (0.116 R)
• M12: 6,566,449 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.3

Radius: 8.1

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.95 AU - 1.51 AU

Year: 910 Days

Day: 12.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,619,552 km

• M1: 101,876 km (0.109 R)
• M2: 354,697 km (0.118 R)
• M3: 705,653 km (0.118 R)
• M4: 1,085,333 km (0.096 R)
• M5: 1,542,354 km (0.109 R)
• M6: 2,304,106 km (0.104 R)
• M7: 2,950,070 km (0.104 R)
• M8: 3,295,791 km (0.08 R)
• M9: 4,145,955 km (0.025 R)
• M10: 4,580,836 km (0.083 R)
• M11: 4,835,302 km (0.12 R)
• M12: 5,207,502 km (0.091 R)
• M13: 5,522,705 km (0.054 R)
• M14: 6,089,980 km (0.069 R)
• M15: 6,566,898 km (0.046 R)
• M16: 7,432,471 km (0.071 R)
• M17: 7,856,731 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.7

Radius: 11.1

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.41 AU - 2.17 AU

Year: 1597 Days

Day: 7.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,619,552 km

• M1: 138,378 km (0.06 R)
• M2: 899,981 km (0.099 R)
• M3: 1,645,876 km (0.117 R)
• M4: 2,044,853 km (0.101 R)
• M5: 2,766,364 km (0.097 R)
• M6: 3,774,803 km (0.1 R)
• M7: 4,132,791 km (0.055 R)
• M8: 4,786,683 km (0.117 R)
• M9: 6,057,367 km (0.114 R)
• M10: 6,949,569 km (0.034 R)
• M11: 8,408,448 km (0.108 R)
• M12: 10,786,904 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.8

Radius: 11.8

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.81 AU - 3.23 AU

Year: 3500 Days

Day: 14.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,619,552 km

• M1: 147,952 km (0.112 R)
• M2: 871,707 km (0.038 R)
• M3: 1,568,384 km (0.067 R)
• M4: 2,610,034 km (0.096 R)
• M5: 3,955,816 km (0.114 R)
• M6: 4,769,479 km (0.049 R)
• M7: 5,362,784 km (0.08 R)
• M8: 6,635,114 km (0.097 R)
• M9: 8,831,809 km (0.097 R)
• M10: 9,214,331 km (0.091 R)
• M11: 14,449,060 km (0.113 R)
• M12: 14,927,474 km (0.057 R)
• M13: 16,141,760 km (0.098 R)
• M14: 18,516,626 km (0.064 R)
• M15: 21,663,118 km (0.073 R)
• M16: 22,431,602 km (0.109 R)
• M17: 25,226,390 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.7

Radius: 9.5

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.38 AU - 4.86 AU

Year: 5577 Days

Day: 7.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,619,552 km

• M1: 124,914 km (0.112 R)
• M2: 440,566 km (0.112 R)
• M3: 816,056 km (0.033 R)
• M4: 1,298,659 km (0.073 R)
• M5: 2,036,027 km (0.087 R)
• M6: 2,423,785 km (0.062 R)
• M7: 2,787,158 km (0.104 R)
• M8: 3,127,643 km (0.082 R)
• M9: 4,595,647 km (0.028 R)
• M10: 5,267,640 km (0.063 R)
• M11: 6,477,139 km (0.088 R)
• M12: 7,535,095 km (0.087 R)
• M13: 7,974,015 km (0.083 R)
• M14: 8,783,489 km (0.094 R)
• M15: 9,562,146 km (0.082 R)
• M16: 10,838,216 km (0.031 R)
• M17: 16,292,106 km (0.063 R)
• M18: 16,656,825 km (0.092 R)
• M19: 17,848,223 km (0.082 R)
• M20: 18,629,423 km (0.075 R)
• M21: 22,279,760 km (0.106 R)
• M22: 24,828,609 km (0.053 R)
• M23: 25,231,027 km (0.087 R)
• M24: 27,479,782 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.9

Radius: 13.4

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.6 AU - 4.78 AU

Year: 5719 Days

Day: 8.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,619,552 km

• M1: 167,849 km (0.08 R)
• M2: 695,032 km (0.112 R)
• M3: 1,150,258 km (0.09 R)
• M4: 1,570,030 km (0.057 R)
• M5: 1,997,431 km (0.107 R)
• M6: 2,912,222 km (0.115 R)
• M7: 3,932,928 km (0.036 R)
• M8: 4,687,200 km (0.116 R)
• M9: 5,397,042 km (0.05 R)
• M10: 6,706,622 km (0.093 R)
• M11: 7,299,927 km (0.083 R)
• M12: 8,821,188 km (0.085 R)
• M13: 9,780,410 km (0.105 R)
• M14: 10,675,902 km (0.118 R)
• M15: 11,348,345 km (0.075 R)
• M16: 11,906,644 km (0.099 R)
• M17: 13,640,184 km (0.11 R)
• M18: 14,165,123 km (0.039 R)
• M19: 15,032,940 km (0.112 R)
• M20: 19,780,130 km (0.051 R)
• M21: 22,419,784 km (0.092 R)
• M22: 24,050,999 km (0.061 R)
• M23: 24,740,645 km (0.081 R)
• M24: 27,715,399 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756

Radius: 6

Gravity: 21 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.29 AU - 7.63 AU

Year: 12245 Days

Day: 21.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 112.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,619,552 km

• M1: 74,649 km (0.113 R)
• M2: 315,352 km (0.072 R)
• M3: 637,287 km (0.096 R)
• M4: 828,323 km (0.036 R)
• M5: 1,092,962 km (0.084 R)
• M6: 1,588,131 km (0.1 R)
• M7: 1,929,962 km (0.076 R)
• M8: 2,460,735 km (0.066 R)
• M9: 3,156,964 km (0.075 R)
• M10: 4,482,700 km (0.056 R)
• M11: 5,097,697 km (0.119 R)
• M12: 5,694,293 km (0.082 R)
• M13: 6,297,322 km (0.063 R)
• M14: 7,152,125 km (0.081 R)
• M15: 8,456,319 km (0.078 R)
• M16: 8,842,431 km (0.062 R)
• M17: 9,964,714 km (0.061 R)
• M18: 12,001,340 km (0.072 R)
• M19: 13,053,013 km (0.12 R)
• M20: 15,338,569 km (0.1 R)
• M21: 16,650,243 km (0.038 R)
• M22: 18,836,915 km (0.064 R)
• M23: 19,495,146 km (0.071 R)
• M24: 28,631,237 km (0.098 R)
• M25: 37,616,534 km (0.102 R)
• M26: 39,989,755 km (0.075 R)
• M27: 49,389,438 km (0.053 R)
• M28: 50,639,178 km (0.111 R)
• M29: 52,230,900 km (0.08 R)
• M30: 53,855,533 km (0.065 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532.5

Radius: 3.8

Gravity: 36.88 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.94 AU - 10.34 AU

Year: 16936 Days

Day: 22.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 62,619,552 km

• M1: 49,068 km (0.064 R)
• M2: 215,271 km (0.105 R)
• M3: 406,158 km (0.077 R)
• M4: 660,475 km (0.094 R)
• M5: 934,089 km (0.098 R)
• M6: 1,198,578 km (0.044 R)
• M7: 1,480,570 km (0.076 R)
• M8: 1,703,172 km (0.107 R)
• M9: 1,929,513 km (0.083 R)
• M10: 2,097,661 km (0.112 R)
• M11: 2,337,018 km (0.081 R)
• M12: 3,294,444 km (0.069 R)
• M13: 3,426,838 km (0.08 R)
• M14: 4,487,188 km (0.042 R)
• M15: 5,413,797 km (0.108 R)
• M16: 6,753,297 km (0.102 R)
• M17: 7,054,138 km (0.085 R)
• M18: 7,544,819 km (0.052 R)
• M19: 7,963,095 km (0.11 R)
• M20: 8,794,709 km (0.089 R)
• M21: 11,392,925 km (0.098 R)
• M22: 11,880,913 km (0.098 R)
• M23: 13,029,376 km (0.097 R)
• M24: 14,460,579 km (0.036 R)
• M25: 14,673,158 km (0.026 R)
• M26: 14,816,173 km (0.084 R)
• M27: 17,711,490 km (0.055 R)
• M28: 17,873,505 km (0.075 R)
• M29: 18,448,559 km (0.089 R)
• M30: 20,335,886 km (0.101 R)
• M31: 22,632,363 km (0.116 R)
• M32: 26,656,695 km (0.088 R)
• M33: 27,841,510 km (0.103 R)
• M34: 29,173,679 km (0.103 R)
• M35: 31,368,878 km (0.096 R)
• M36: 37,399,617 km (0.038 R)
• M37: 44,606,345 km (0.046 R)
• M38: 46,426,951 km (0.104 R)
• M39: 47,199,923 km (0.051 R)
• M40: 50,866,418 km (0.06 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 18,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit