🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.51 AU - 0.81 AU

Year: 352 Days

Day: 15.4 Hours

Environment

Temp: -124 °C

Axial Tilt: 15.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 67,857,653 km

• M1: 56,997 km (0.073 R)
• M2: 85,271 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.6

Radius: 10.8

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.66 AU - 0.96 AU

Year: 478 Days

Day: 6.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 73.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,857,653 km

• M1: 134,788 km (0.102 R)
• M2: 504,893 km (0.105 R)
• M3: 879,187 km (0.064 R)
• M4: 1,242,859 km (0.07 R)
• M5: 1,622,539 km (0.083 R)
• M6: 1,964,220 km (0.084 R)
• M7: 2,345,246 km (0.094 R)
• M8: 3,043,718 km (0.117 R)
• M9: 3,436,263 km (0.03 R)
• M10: 4,268,177 km (0.107 R)
• M11: 4,627,661 km (0.087 R)
• M12: 5,101,587 km (0.052 R)
• M13: 5,692,498 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.6

Radius: 10.2

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.37 AU - 1.77 AU

Year: 1291 Days

Day: 9.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 155.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,857,653 km

• M1: 132,544 km (0.118 R)
• M2: 615,595 km (0.047 R)
• M3: 1,115,252 km (0.118 R)
• M4: 1,632,412 km (0.105 R)
• M5: 1,976,038 km (0.105 R)
• M6: 2,824,258 km (0.088 R)
• M7: 3,929,338 km (0.049 R)
• M8: 4,339,236 km (0.087 R)
• M9: 4,830,066 km (0.054 R)
• M10: 6,024,605 km (0.029 R)
• M11: 7,595,383 km (0.075 R)
• M12: 8,309,713 km (0.096 R)
• M13: 9,149,256 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.9

Radius: 10.1

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.07 AU - 2.39 AU

Year: 2185 Days

Day: 11.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,857,653 km

• M1: 133,292 km (0.031 R)
• M2: 469,139 km (0.082 R)
• M3: 818,450 km (0.084 R)
• M4: 1,623,436 km (0.114 R)
• M5: 2,096,465 km (0.085 R)
• M6: 2,659,850 km (0.061 R)
• M7: 2,985,973 km (0.03 R)
• M8: 3,321,522 km (0.105 R)
• M9: 3,872,490 km (0.112 R)
• M10: 5,543,648 km (0.099 R)
• M11: 6,511,547 km (0.117 R)
• M12: 7,436,211 km (0.046 R)
• M13: 7,993,613 km (0.092 R)
• M14: 9,545,092 km (0.03 R)
• M15: 10,582,553 km (0.041 R)
• M16: 11,775,746 km (0.118 R)
• M17: 12,968,340 km (0.118 R)
• M18: 14,053,074 km (0.066 R)
• M19: 15,492,804 km (0.115 R)
• M20: 16,765,733 km (0.101 R)
• M21: 17,616,196 km (0.06 R)
• M22: 18,663,082 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 10.6

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.29 AU - 2.65 AU

Year: 2547 Days

Day: 13.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,857,653 km

• M1: 137,480 km (0.095 R)
• M2: 469,588 km (0.118 R)
• M3: 799,451 km (0.1 R)
• M4: 1,170,603 km (0.115 R)
• M5: 1,540,409 km (0.073 R)
• M6: 2,014,186 km (0.092 R)
• M7: 2,392,369 km (0.117 R)
• M8: 2,866,594 km (0.09 R)
• M9: 3,763,882 km (0.114 R)
• M10: 4,235,265 km (0.07 R)
• M11: 5,028,284 km (0.095 R)
• M12: 6,273,088 km (0.071 R)
• M13: 8,138,124 km (0.105 R)
• M14: 8,752,822 km (0.079 R)
• M15: 12,838,040 km (0.101 R)
• M16: 13,389,608 km (0.101 R)
• M17: 14,149,864 km (0.057 R)
• M18: 15,652,276 km (0.091 R)
• M19: 19,687,977 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.3

Radius: 10.1

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.76 AU - 2.84 AU

Year: 3074 Days

Day: 14.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,857,653 km

• M1: 127,457 km (0.072 R)
• M2: 489,634 km (0.11 R)
• M3: 829,819 km (0.082 R)
• M4: 1,334,563 km (0.108 R)
• M5: 1,758,523 km (0.092 R)
• M6: 2,103,645 km (0.119 R)
• M7: 3,719,153 km (0.067 R)
• M8: 4,568,869 km (0.119 R)
• M9: 5,203,912 km (0.116 R)
• M10: 10,114,013 km (0.103 R)
• M11: 13,772,279 km (0.097 R)
• M12: 15,841,816 km (0.11 R)
• M13: 16,389,943 km (0.06 R)
• M14: 19,261,025 km (0.072 R)
• M15: 19,634,122 km (0.116 R)
• M16: 21,572,911 km (0.115 R)
• M17: 22,588,680 km (0.059 R)
• M18: 23,494,495 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.4

Radius: 8.6

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.56 AU - 4.2 AU

Year: 5014 Days

Day: 7 Hours

Environment

Temp: -200 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,857,653 km

• M1: 108,309 km (0.1 R)
• M2: 943,364 km (0.061 R)
• M3: 1,313,021 km (0.085 R)
• M4: 1,691,354 km (0.12 R)
• M5: 2,042,759 km (0.116 R)
• M6: 2,395,810 km (0.109 R)
• M7: 3,420,256 km (0.115 R)
• M8: 4,303,931 km (0.083 R)
• M9: 4,662,816 km (0.11 R)
• M10: 4,989,837 km (0.112 R)
• M11: 5,662,279 km (0.088 R)
• M12: 7,555,440 km (0.097 R)
• M13: 7,937,065 km (0.116 R)
• M14: 9,394,746 km (0.074 R)
• M15: 11,067,101 km (0.106 R)
• M16: 17,501,156 km (0.064 R)
• M17: 20,412,181 km (0.097 R)
• M18: 25,903,769 km (0.057 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.4

Radius: 11.4

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.11 AU - 5.19 AU

Year: 5546 Days

Day: 10.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,857,653 km

• M1: 142,417 km (0.085 R)
• M2: 504,594 km (0.096 R)
• M3: 894,446 km (0.101 R)
• M4: 1,463,067 km (0.087 R)
• M5: 2,641,898 km (0.074 R)
• M6: 3,133,776 km (0.113 R)
• M7: 3,767,622 km (0.07 R)
• M8: 5,421,576 km (0.114 R)
• M9: 5,825,491 km (0.084 R)
• M10: 6,278,473 km (0.069 R)
• M11: 7,814,245 km (0.067 R)
• M12: 8,508,080 km (0.106 R)
• M13: 9,939,432 km (0.092 R)
• M14: 11,746,126 km (0.096 R)
• M15: 14,414,503 km (0.038 R)
• M16: 15,458,546 km (0.067 R)
• M17: 16,496,307 km (0.076 R)
• M18: 18,771,092 km (0.094 R)
• M19: 20,593,044 km (0.093 R)
• M20: 21,580,390 km (0.11 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.4

Radius: 9.8

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.07 AU - 5.33 AU

Year: 6684 Days

Day: 13.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,857,653 km

• M1: 121,922 km (0.092 R)
• M2: 908,807 km (0.055 R)
• M3: 1,317,808 km (0.105 R)
• M4: 2,133,864 km (0.094 R)
• M5: 3,337,229 km (0.067 R)
• M6: 3,855,287 km (0.057 R)
• M7: 6,579,913 km (0.072 R)
• M8: 7,467,028 km (0.104 R)
• M9: 9,816,762 km (0.113 R)
• M10: 12,219,004 km (0.108 R)
• M11: 13,556,260 km (0.084 R)
• M12: 16,641,267 km (0.111 R)
• M13: 18,281,608 km (0.119 R)
• M14: 21,954,385 km (0.089 R)
• M15: 27,951,913 km (0.115 R)
• M16: 28,561,973 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715

Radius: 6

Gravity: 19.86 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 7.58 AU - 9.58 AU

Year: 16487 Days

Day: 17.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,857,653 km

• M1: 79,287 km (0.084 R)
• M2: 510,727 km (0.098 R)
• M3: 757,713 km (0.098 R)
• M4: 1,059,303 km (0.087 R)
• M5: 1,252,284 km (0.065 R)
• M6: 1,660,237 km (0.106 R)
• M7: 2,274,935 km (0.085 R)
• M8: 2,955,904 km (0.083 R)
• M9: 5,168,606 km (0.108 R)
• M10: 7,759,791 km (0.09 R)
• M11: 8,446,296 km (0.074 R)
• M12: 13,028,179 km (0.091 R)
• M13: 13,368,365 km (0.077 R)
• M14: 13,714,534 km (0.099 R)
• M15: 15,234,150 km (0.062 R)
• M16: 17,760,409 km (0.038 R)
• M17: 19,473,454 km (0.105 R)
• M18: 20,552,653 km (0.038 R)
• M19: 22,148,862 km (0.083 R)
• M20: 23,324,253 km (0.075 R)
• M21: 25,269,175 km (0.051 R)
• M22: 28,328,750 km (0.118 R)
• M23: 29,947,399 km (0.084 R)
• M24: 33,621,373 km (0.043 R)
• M25: 42,440,766 km (0.08 R)
• M26: 46,899,680 km (0.093 R)
• M27: 49,818,634 km (0.057 R)
• M28: 52,341,752 km (0.083 R)
• M29: 57,459,046 km (0.077 R)
• M30: 59,298,202 km (0.091 R)
• M31: 60,608,680 km (0.103 R)
• M32: 62,321,875 km (0.077 R)
• M33: 62,899,921 km (0.093 R)
• M34: 63,871,409 km (0.087 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 15,336 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit