🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.1

Radius: 8.6

Gravity: 12.66 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.65 AU - 1.05 AU

Year: 498 Days

Day: 5.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,867,940 km

• M1: 107,112 km (0.115 R)
• M2: 411,245 km (0.094 R)
• M3: 749,186 km (0.081 R)
• M4: 1,104,631 km (0.098 R)
• M5: 1,701,676 km (0.082 R)
• M6: 1,975,739 km (0.1 R)
• M7: 2,347,939 km (0.052 R)
• M8: 2,657,307 km (0.079 R)
• M9: 3,017,389 km (0.114 R)
• M10: 3,371,637 km (0.116 R)
• M11: 3,822,226 km (0.081 R)
• M12: 4,763,346 km (0.045 R)
• M13: 5,176,834 km (0.075 R)
• M14: 5,542,601 km (0.096 R)
• M15: 6,075,918 km (0.051 R)
• M16: 7,054,587 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.3

Radius: 10.4

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.25 AU - 1.33 AU

Year: 932 Days

Day: 9.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,867,940 km

• M1: 129,402 km (0.063 R)
• M2: 527,482 km (0.1 R)
• M3: 859,739 km (0.104 R)
• M4: 1,217,577 km (0.109 R)
• M5: 1,792,781 km (0.107 R)
• M6: 2,206,868 km (0.115 R)
• M7: 2,648,331 km (0.107 R)
• M8: 3,067,355 km (0.032 R)
• M9: 3,817,887 km (0.064 R)
• M10: 4,236,911 km (0.101 R)
• M11: 5,641,037 km (0.098 R)
• M12: 6,186,321 km (0.068 R)
• M13: 6,652,019 km (0.102 R)
• M14: 9,142,375 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.5

Radius: 10.2

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.64 AU - 2.36 AU

Year: 1798 Days

Day: 12.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,867,940 km

• M1: 126,859 km (0.084 R)
• M2: 475,721 km (0.099 R)
• M3: 919,129 km (0.115 R)
• M4: 1,316,611 km (0.032 R)
• M5: 1,807,591 km (0.086 R)
• M6: 2,315,775 km (0.069 R)
• M7: 2,757,837 km (0.105 R)
• M8: 3,114,029 km (0.04 R)
• M9: 4,218,211 km (0.109 R)
• M10: 5,428,159 km (0.113 R)
• M11: 6,113,766 km (0.067 R)
• M12: 8,519,449 km (0.117 R)
• M13: 9,379,338 km (0.119 R)
• M14: 9,984,012 km (0.047 R)
• M15: 10,507,605 km (0.025 R)
• M16: 11,724,135 km (0.101 R)
• M17: 13,197,075 km (0.096 R)
• M18: 14,655,954 km (0.036 R)
• M19: 15,104,897 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.3

Radius: 8.6

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.36 AU - 2.84 AU

Year: 2666 Days

Day: 9.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,867,940 km

• M1: 107,561 km (0.104 R)
• M2: 657,931 km (0.092 R)
• M3: 1,087,876 km (0.051 R)
• M4: 1,396,945 km (0.085 R)
• M5: 1,787,994 km (0.118 R)
• M6: 2,210,757 km (0.091 R)
• M7: 2,548,250 km (0.107 R)
• M8: 2,823,809 km (0.064 R)
• M9: 4,385,312 km (0.097 R)
• M10: 5,157,237 km (0.099 R)
• M11: 5,884,881 km (0.115 R)
• M12: 7,117,268 km (0.103 R)
• M13: 8,412,935 km (0.036 R)
• M14: 8,751,326 km (0.056 R)
• M15: 13,694,339 km (0.067 R)
• M16: 15,483,380 km (0.1 R)
• M17: 16,883,616 km (0.088 R)
• M18: 17,260,004 km (0.04 R)
• M19: 18,422,828 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.8

Radius: 13.2

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.15 AU - 4.17 AU

Year: 5395 Days

Day: 10.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,867,940 km

• M1: 164,109 km (0.051 R)
• M2: 720,763 km (0.085 R)
• M3: 2,300,516 km (0.115 R)
• M4: 2,868,240 km (0.12 R)
• M5: 4,037,347 km (0.036 R)
• M6: 4,685,106 km (0.09 R)
• M7: 6,189,911 km (0.075 R)
• M8: 6,963,631 km (0.045 R)
• M9: 8,914,537 km (0.079 R)
• M10: 9,602,239 km (0.118 R)
• M11: 10,208,559 km (0.064 R)
• M12: 11,539,830 km (0.076 R)
• M13: 14,059,507 km (0.108 R)
• M14: 16,494,661 km (0.108 R)
• M15: 20,162,352 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.5

Radius: 12.5

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.11 AU - 5.95 AU

Year: 7173 Days

Day: 9 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,867,940 km

• M1: 156,031 km (0.099 R)
• M2: 614,249 km (0.055 R)
• M3: 1,094,458 km (0.064 R)
• M4: 1,885,831 km (0.077 R)
• M5: 2,697,998 km (0.078 R)
• M6: 3,112,234 km (0.092 R)
• M7: 3,615,033 km (0.092 R)
• M8: 4,121,122 km (0.108 R)
• M9: 4,954,831 km (0.106 R)
• M10: 6,126,930 km (0.046 R)
• M11: 6,672,514 km (0.091 R)
• M12: 7,400,008 km (0.04 R)
• M13: 8,139,471 km (0.107 R)
• M14: 10,181,182 km (0.083 R)
• M15: 12,544,380 km (0.083 R)
• M16: 13,426,259 km (0.061 R)
• M17: 15,437,453 km (0.094 R)
• M18: 17,846,278 km (0.089 R)
• M19: 20,872,942 km (0.103 R)
• M20: 34,045,035 km (0.101 R)
• M21: 35,977,091 km (0.098 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 14,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit