🌌 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: 313

Radius: 13

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.64 AU - 0.86 AU

Year: 457 Days

Day: 8.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,782,202 km

• M1: 161,715 km (0.066 R)
• M2: 734,376 km (0.093 R)
• M3: 1,215,931 km (0.071 R)
• M4: 2,037,373 km (0.059 R)
• M5: 2,765,915 km (0.104 R)
• M6: 3,244,329 km (0.083 R)
• M7: 3,777,945 km (0.099 R)
• M8: 4,292,711 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.8

Radius: 12.5

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.63 AU - 0.95 AU

Year: 494 Days

Day: 6.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,782,202 km

• M1: 157,975 km (0.112 R)
• M2: 551,268 km (0.059 R)
• M3: 1,119,890 km (0.086 R)
• M4: 2,123,841 km (0.104 R)
• M5: 2,675,708 km (0.114 R)
• M6: 3,384,951 km (0.116 R)
• M7: 4,014,010 km (0.109 R)
• M8: 4,994,923 km (0.089 R)
• M9: 5,524,649 km (0.113 R)
• M10: 6,497,484 km (0.084 R)
• M11: 7,004,322 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.4

Radius: 9.8

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.15 AU - 1.17 AU

Year: 878 Days

Day: 11 Hours

Environment

Temp: -174 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,782,202 km

• M1: 124,765 km (0.101 R)
• M2: 722,857 km (0.045 R)
• M3: 1,050,177 km (0.12 R)
• M4: 1,463,516 km (0.112 R)
• M5: 2,022,414 km (0.097 R)
• M6: 2,648,032 km (0.087 R)
• M7: 3,342,764 km (0.12 R)
• M8: 3,755,505 km (0.088 R)
• M9: 4,154,482 km (0.079 R)
• M10: 4,947,501 km (0.07 R)
• M11: 5,352,013 km (0.108 R)
• M12: 5,918,989 km (0.113 R)
• M13: 6,311,684 km (0.103 R)
• M14: 6,743,872 km (0.07 R)
• M15: 7,265,370 km (0.025 R)
• M16: 7,643,703 km (0.117 R)
• M17: 8,337,538 km (0.07 R)
• M18: 8,965,251 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.9

Radius: 9.2

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.43 AU - 1.81 AU

Year: 1449 Days

Day: 7.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,782,202 km

• M1: 114,442 km (0.09 R)
• M2: 596,148 km (0.111 R)
• M3: 967,599 km (0.045 R)
• M4: 1,387,969 km (0.026 R)
• M5: 1,884,933 km (0.115 R)
• M6: 2,332,380 km (0.112 R)
• M7: 2,906,687 km (0.107 R)
• M8: 3,589,003 km (0.102 R)
• M9: 4,186,496 km (0.086 R)
• M10: 4,489,881 km (0.091 R)
• M11: 4,972,633 km (0.061 R)
• M12: 5,357,100 km (0.107 R)
• M13: 5,830,727 km (0.054 R)
• M14: 6,605,943 km (0.088 R)
• M15: 7,284,968 km (0.064 R)
• M16: 8,096,536 km (0.057 R)
• M17: 8,905,262 km (0.104 R)
• M18: 9,505,897 km (0.107 R)
• M19: 10,166,970 km (0.08 R)
• M20: 10,752,796 km (0.083 R)
• M21: 11,143,695 km (0.037 R)
• M22: 11,991,765 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.8

Radius: 13.5

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.05 AU - 2.85 AU

Year: 2696 Days

Day: 9.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,782,202 km

• M1: 167,998 km (0.074 R)
• M2: 661,073 km (0.118 R)
• M3: 1,213,688 km (0.114 R)
• M4: 1,675,795 km (0.03 R)
• M5: 2,465,373 km (0.102 R)
• M6: 3,697,311 km (0.059 R)
• M7: 4,494,818 km (0.038 R)
• M8: 5,112,208 km (0.116 R)
• M9: 5,605,432 km (0.094 R)
• M10: 6,321,856 km (0.096 R)
• M11: 7,809,757 km (0.076 R)
• M12: 8,466,342 km (0.104 R)
• M13: 10,619,953 km (0.06 R)
• M14: 12,712,977 km (0.084 R)
• M15: 14,478,381 km (0.095 R)
• M16: 14,969,062 km (0.099 R)
• M17: 15,623,403 km (0.111 R)
• M18: 17,425,459 km (0.101 R)
• M19: 18,093,414 km (0.074 R)
• M20: 20,139,613 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.8

Radius: 13.6

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.49 AU - 3.17 AU

Year: 3346 Days

Day: 5.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,782,202 km

• M1: 171,140 km (0.094 R)
• M2: 600,187 km (0.088 R)
• M3: 1,053,319 km (0.115 R)
• M4: 1,890,019 km (0.097 R)
• M5: 2,733,303 km (0.09 R)
• M6: 3,539,785 km (0.099 R)
• M7: 4,020,742 km (0.084 R)
• M8: 4,872,103 km (0.116 R)
• M9: 5,732,890 km (0.046 R)
• M10: 6,228,507 km (0.096 R)
• M11: 6,722,629 km (0.035 R)
• M12: 7,658,962 km (0.102 R)
• M13: 8,399,621 km (0.082 R)
• M14: 9,675,990 km (0.102 R)
• M15: 10,787,054 km (0.099 R)
• M16: 12,565,473 km (0.119 R)
• M17: 13,936,388 km (0.099 R)
• M18: 14,381,442 km (0.085 R)
• M19: 15,092,780 km (0.118 R)
• M20: 16,974,122 km (0.119 R)
• M21: 17,539,303 km (0.06 R)
• M22: 18,647,674 km (0.094 R)
• M23: 19,128,182 km (0.062 R)
• M24: 19,802,270 km (0.118 R)
• M25: 21,263,093 km (0.09 R)
• M26: 21,721,611 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.7

Radius: 15

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.68 AU - 5.9 AU

Year: 8552 Days

Day: 14.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,782,202 km

• M1: 186,549 km (0.057 R)
• M2: 765,343 km (0.072 R)
• M3: 1,789,191 km (0.086 R)
• M4: 2,998,091 km (0.078 R)
• M5: 3,514,204 km (0.083 R)
• M6: 4,499,006 km (0.057 R)
• M7: 5,562,647 km (0.086 R)
• M8: 7,092,435 km (0.061 R)
• M9: 9,252,778 km (0.113 R)
• M10: 9,915,796 km (0.054 R)
• M11: 11,074,132 km (0.094 R)
• M12: 12,097,531 km (0.039 R)
• M13: 12,949,491 km (0.104 R)
• M14: 14,085,537 km (0.076 R)
• M15: 16,080,425 km (0.105 R)
• M16: 16,762,591 km (0.091 R)
• M17: 19,840,418 km (0.107 R)
• M18: 22,933,952 km (0.062 R)
• M19: 26,056,209 km (0.108 R)
• M20: 32,265,269 km (0.07 R)
• M21: 34,125,967 km (0.034 R)
• M22: 35,826,446 km (0.103 R)
• M23: 42,288,176 km (0.082 R)
• M24: 43,326,685 km (0.027 R)
• M25: 44,249,255 km (0.096 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: 291 - 18,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit