🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.32 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.7

Radius: 10.2

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.2 AU - 3.08 AU

Year: 2961 Days

Day: 6.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,631,574 km

• M1: 133,591 km (0.106 R)
• M2: 680,521 km (0.085 R)
• M3: 1,090,568 km (0.099 R)
• M4: 1,480,121 km (0.11 R)
• M5: 2,118,904 km (0.118 R)
• M6: 2,708,170 km (0.11 R)
• M7: 3,034,593 km (0.117 R)
• M8: 3,977,359 km (0.097 R)
• M9: 4,458,914 km (0.092 R)
• M10: 5,062,542 km (0.111 R)
• M11: 5,881,141 km (0.027 R)
• M12: 6,408,324 km (0.078 R)
• M13: 7,950,379 km (0.071 R)
• M14: 8,716,470 km (0.082 R)
• M15: 9,595,656 km (0.037 R)
• M16: 10,917,503 km (0.049 R)
• M17: 11,976,357 km (0.109 R)
• M18: 13,303,439 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.9

Radius: 9.6

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.97 AU - 3.09 AU

Year: 3641 Days

Day: 5 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,631,574 km

• M1: 124,316 km (0.116 R)
• M2: 736,620 km (0.119 R)
• M3: 1,539,811 km (0.119 R)
• M4: 1,971,102 km (0.069 R)
• M5: 3,888,946 km (0.104 R)
• M6: 4,336,842 km (0.076 R)
• M7: 4,913,392 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804

Radius: 10.4

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.37 AU - 4.79 AU

Year: 5689 Days

Day: 7.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,631,574 km

• M1: 129,701 km (0.094 R)
• M2: 656,884 km (0.079 R)
• M3: 2,995,697 km (0.115 R)
• M4: 3,495,504 km (0.064 R)
• M5: 4,908,306 km (0.116 R)
• M6: 5,365,926 km (0.101 R)
• M7: 8,694,778 km (0.03 R)
• M8: 9,714,736 km (0.095 R)
• M9: 15,551,596 km (0.11 R)
• M10: 15,917,812 km (0.07 R)
• M11: 17,310,119 km (0.077 R)
• M12: 18,304,945 km (0.074 R)
• M13: 23,456,797 km (0.025 R)
• M14: 25,172,983 km (0.101 R)
• M15: 30,918,140 km (0.105 R)
• M16: 31,497,832 km (0.115 R)
• M17: 34,505,646 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.7

Radius: 12

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.93 AU - 4.47 AU

Year: 5941 Days

Day: 7.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,631,574 km

• M1: 149,299 km (0.102 R)
• M2: 909,555 km (0.079 R)
• M3: 1,420,432 km (0.059 R)
• M4: 1,932,954 km (0.111 R)
• M5: 2,449,964 km (0.111 R)
• M6: 4,063,377 km (0.108 R)
• M7: 6,106,735 km (0.093 R)
• M8: 6,553,434 km (0.073 R)
• M9: 7,334,784 km (0.117 R)
• M10: 9,413,296 km (0.117 R)
• M11: 10,954,304 km (0.115 R)
• M12: 12,811,262 km (0.074 R)
• M13: 13,492,232 km (0.066 R)
• M14: 13,868,770 km (0.088 R)
• M15: 17,202,409 km (0.117 R)
• M16: 18,096,406 km (0.118 R)
• M17: 20,046,563 km (0.073 R)
• M18: 22,809,187 km (0.116 R)
• M19: 23,731,757 km (0.029 R)
• M20: 26,147,314 km (0.075 R)
• M21: 28,107,046 km (0.052 R)
• M22: 28,634,080 km (0.116 R)
• M23: 29,980,311 km (0.113 R)
• M24: 31,087,335 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.7

Radius: 14.4

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.35 AU - 5.87 AU

Year: 7973 Days

Day: 5.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,631,574 km

• M1: 180,265 km (0.114 R)
• M2: 654,191 km (0.078 R)
• M3: 1,357,152 km (0.089 R)
• M4: 1,954,496 km (0.09 R)
• M5: 2,453,704 km (0.052 R)
• M6: 2,958,148 km (0.025 R)
• M7: 3,834,792 km (0.039 R)
• M8: 4,850,412 km (0.12 R)
• M9: 5,376,547 km (0.119 R)
• M10: 6,406,978 km (0.044 R)
• M11: 7,188,926 km (0.111 R)
• M12: 8,234,914 km (0.097 R)
• M13: 8,858,737 km (0.1 R)
• M14: 11,318,874 km (0.045 R)
• M15: 14,322,799 km (0.107 R)
• M16: 17,891,606 km (0.119 R)
• M17: 19,734,802 km (0.102 R)
• M18: 20,326,611 km (0.118 R)
• M19: 26,554,819 km (0.083 R)
• M20: 28,290,304 km (0.094 R)
• M21: 36,877,371 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.1

Radius: 7.8

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.74 AU - 8.08 AU

Year: 15356 Days

Day: 19.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 101.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,631,574 km

• M1: 97,089 km (0.055 R)
• M2: 431,291 km (0.065 R)
• M3: 795,711 km (0.059 R)
• M4: 2,415,258 km (0.057 R)
• M5: 3,089,495 km (0.101 R)
• M6: 6,203,824 km (0.098 R)
• M7: 9,269,533 km (0.101 R)
• M8: 11,183,787 km (0.074 R)
• M9: 11,584,410 km (0.107 R)
• M10: 14,867,186 km (0.12 R)
• M11: 23,941,942 km (0.117 R)
• M12: 25,091,004 km (0.082 R)
• M13: 25,383,916 km (0.093 R)
• M14: 30,055,708 km (0.102 R)
• M15: 33,117,528 km (0.092 R)
• M16: 35,148,319 km (0.085 R)
• M17: 36,008,207 km (0.091 R)
• M18: 36,756,346 km (0.064 R)
• M19: 38,671,947 km (0.114 R)
• M20: 39,062,846 km (0.06 R)
• M21: 40,653,072 km (0.05 R)
• M22: 50,023,284 km (0.109 R)
• M23: 54,631,646 km (0.059 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: 242 - 18,332 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit