🌌 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: 280

Radius: 9.1

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.45 AU - 0.57 AU

Year: 243 Days

Day: 12.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,242,630 km

• M1: 113,096 km (0.096 R)
• M2: 398,080 km (0.088 R)
• M3: 681,867 km (0.052 R)
• M4: 1,019,659 km (0.111 R)
• M5: 1,319,154 km (0.051 R)
• M6: 1,649,915 km (0.115 R)
• M7: 2,129,825 km (0.102 R)
• M8: 2,436,800 km (0.115 R)
• M9: 2,732,704 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.9

Radius: 10.5

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.51 AU - 1.51 AU

Year: 1237 Days

Day: 14.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,242,630 km

• M1: 130,599 km (0.097 R)
• M2: 715,527 km (0.114 R)
• M3: 1,053,169 km (0.11 R)
• M4: 1,468,154 km (0.104 R)
• M5: 4,257,555 km (0.078 R)
• M6: 4,644,715 km (0.06 R)
• M7: 9,682,124 km (0.071 R)
• M8: 10,168,317 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.5

Radius: 10.6

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.52 AU - 2.22 AU

Year: 1705 Days

Day: 5.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,242,630 km

• M1: 132,095 km (0.097 R)
• M2: 557,701 km (0.044 R)
• M3: 993,330 km (0.072 R)
• M4: 1,451,399 km (0.062 R)
• M5: 2,368,433 km (0.094 R)
• M6: 3,053,891 km (0.042 R)
• M7: 3,506,574 km (0.082 R)
• M8: 4,936,730 km (0.112 R)
• M9: 5,694,144 km (0.118 R)
• M10: 7,844,015 km (0.083 R)
• M11: 9,176,633 km (0.083 R)
• M12: 10,221,723 km (0.092 R)
• M13: 10,926,928 km (0.113 R)
• M14: 11,485,825 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.1

Radius: 14.1

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.97 AU - 2.17 AU

Year: 1986 Days

Day: 11.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,242,630 km

• M1: 175,329 km (0.071 R)
• M2: 766,988 km (0.093 R)
• M3: 1,342,641 km (0.062 R)
• M4: 1,875,808 km (0.056 R)
• M5: 2,379,803 km (0.073 R)
• M6: 2,960,691 km (0.091 R)
• M7: 3,651,684 km (0.099 R)
• M8: 4,948,398 km (0.044 R)
• M9: 5,680,830 km (0.045 R)
• M10: 7,104,552 km (0.107 R)
• M11: 8,094,442 km (0.098 R)
• M12: 8,843,478 km (0.117 R)
• M13: 10,118,501 km (0.092 R)
• M14: 10,715,546 km (0.076 R)
• M15: 12,536,152 km (0.115 R)
• M16: 13,070,216 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.7

Radius: 11.9

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.38 AU - 2.92 AU

Year: 2877 Days

Day: 12.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,242,630 km

• M1: 148,850 km (0.118 R)
• M2: 724,951 km (0.095 R)
• M3: 1,261,858 km (0.051 R)
• M4: 2,020,918 km (0.088 R)
• M5: 3,423,398 km (0.076 R)
• M6: 3,830,005 km (0.081 R)
• M7: 4,653,242 km (0.082 R)
• M8: 6,131,119 km (0.059 R)
• M9: 6,734,447 km (0.101 R)
• M10: 7,589,998 km (0.12 R)
• M11: 8,650,198 km (0.066 R)
• M12: 9,410,155 km (0.078 R)
• M13: 10,517,478 km (0.079 R)
• M14: 13,167,754 km (0.088 R)
• M15: 14,551,684 km (0.095 R)
• M16: 15,229,811 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.7

Radius: 13.1

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.01 AU - 4.47 AU

Year: 4823 Days

Day: 7.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,242,630 km

• M1: 162,912 km (0.114 R)
• M2: 757,414 km (0.112 R)
• M3: 1,483,861 km (0.084 R)
• M4: 1,935,497 km (0.084 R)
• M5: 2,688,723 km (0.037 R)
• M6: 4,208,786 km (0.104 R)
• M7: 5,502,359 km (0.085 R)
• M8: 6,692,859 km (0.045 R)
• M9: 8,213,521 km (0.079 R)
• M10: 8,722,154 km (0.086 R)
• M11: 10,453,899 km (0.073 R)
• M12: 11,051,991 km (0.119 R)
• M13: 11,799,831 km (0.114 R)
• M14: 15,899,710 km (0.064 R)
• M15: 18,699,883 km (0.085 R)
• M16: 19,167,227 km (0.11 R)
• M17: 20,864,415 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.2

Radius: 14.2

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.11 AU - 4.19 AU

Year: 5638 Days

Day: 13.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,242,630 km

• M1: 176,525 km (0.084 R)
• M2: 715,975 km (0.082 R)
• M3: 1,404,724 km (0.113 R)
• M4: 2,550,344 km (0.107 R)
• M5: 3,496,701 km (0.089 R)
• M6: 4,226,289 km (0.114 R)
• M7: 4,716,671 km (0.096 R)
• M8: 6,204,123 km (0.106 R)
• M9: 9,706,209 km (0.112 R)
• M10: 10,215,889 km (0.079 R)
• M11: 11,289,104 km (0.114 R)
• M12: 12,093,791 km (0.082 R)
• M13: 16,885,261 km (0.1 R)
• M14: 17,686,657 km (0.091 R)
• M15: 19,166,629 km (0.116 R)
• M16: 20,243,883 km (0.098 R)
• M17: 22,518,818 km (0.034 R)
• M18: 23,038,521 km (0.088 R)
• M19: 24,645,352 km (0.089 R)
• M20: 25,596,495 km (0.12 R)
• M21: 26,244,104 km (0.093 R)
• M22: 28,857,429 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.6

Radius: 14.9

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.51 AU - 4.85 AU

Year: 5699 Days

Day: 9.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,242,630 km

• M1: 185,352 km (0.074 R)
• M2: 886,517 km (0.083 R)
• M3: 1,377,946 km (0.079 R)
• M4: 1,852,022 km (0.102 R)
• M5: 2,687,975 km (0.07 R)
• M6: 3,989,326 km (0.106 R)
• M7: 4,465,197 km (0.077 R)
• M8: 6,964,828 km (0.064 R)
• M9: 9,434,539 km (0.081 R)
• M10: 12,193,274 km (0.069 R)
• M11: 16,515,904 km (0.108 R)
• M12: 17,376,241 km (0.113 R)
• M13: 19,862,857 km (0.075 R)
• M14: 20,624,909 km (0.098 R)
• M15: 22,133,903 km (0.119 R)
• M16: 27,954,606 km (0.101 R)
• M17: 29,000,146 km (0.067 R)
• M18: 29,801,392 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.8

Radius: 8.2

Gravity: 11.79 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.76 AU - 5.96 AU

Year: 7145 Days

Day: 9.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,242,630 km

• M1: 102,624 km (0.034 R)
• M2: 511,924 km (0.1 R)
• M3: 891,603 km (0.095 R)
• M4: 1,308,682 km (0.03 R)
• M5: 2,101,252 km (0.103 R)
• M6: 2,786,859 km (0.073 R)
• M7: 6,176,746 km (0.072 R)
• M8: 7,337,776 km (0.061 R)
• M9: 9,030,176 km (0.04 R)
• M10: 9,990,894 km (0.112 R)
• M11: 10,668,123 km (0.069 R)
• M12: 11,018,182 km (0.08 R)
• M13: 11,793,847 km (0.084 R)
• M14: 13,803,695 km (0.059 R)
• M15: 16,162,105 km (0.086 R)
• M16: 17,094,698 km (0.101 R)
• M17: 20,412,480 km (0.118 R)
• M18: 20,874,588 km (0.116 R)
• M19: 22,222,016 km (0.105 R)
• M20: 25,353,398 km (0.111 R)
• M21: 27,441,635 km (0.08 R)
• M22: 28,384,251 km (0.074 R)
• M23: 29,445,947 km (0.119 R)
• M24: 30,835,113 km (0.067 R)
• M25: 31,750,951 km (0.091 R)
• M26: 33,423,755 km (0.078 R)
• M27: 36,603,906 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.2

Radius: 4

Gravity: 53.45 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.67 AU - 7.29 AU

Year: 12297 Days

Day: 18.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,242,630 km

• M1: 54,753 km (0.059 R)
• M2: 230,231 km (0.102 R)
• M3: 468,690 km (0.08 R)
• M4: 751,281 km (0.046 R)
• M5: 878,289 km (0.115 R)
• M6: 1,554,023 km (0.065 R)
• M7: 1,847,534 km (0.08 R)
• M8: 2,675,708 km (0.046 R)
• M9: 2,999,737 km (0.062 R)
• M10: 3,375,377 km (0.092 R)
• M11: 3,923,952 km (0.082 R)
• M12: 5,092,012 km (0.107 R)
• M13: 6,156,252 km (0.094 R)
• M14: 9,790,881 km (0.054 R)
• M15: 10,556,673 km (0.1 R)
• M16: 11,361,659 km (0.093 R)
• M17: 11,598,921 km (0.087 R)
• M18: 16,683,603 km (0.075 R)
• M19: 19,835,331 km (0.099 R)
• M20: 20,006,770 km (0.099 R)
• M21: 20,791,112 km (0.081 R)
• M22: 21,595,649 km (0.11 R)
• M23: 23,457,395 km (0.089 R)
• M24: 31,043,503 km (0.093 R)
• M25: 36,658,809 km (0.109 R)
• M26: 46,746,343 km (0.035 R)
• M27: 51,121,482 km (0.098 R)
• M28: 53,077,175 km (0.096 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: 199 - 15,857 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit