🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.69 AU - 0.75 AU

Year: 258 Days

Day: 12.8 Hours

Environment

Temp: -6 °C

Axial Tilt: 39 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.1

Radius: 10.5

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 3.77 AU - 5.65 AU

Year: 4311 Days

Day: 14.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,393,026 km

• M1: 130,749 km (0.071 R)
• M2: 478,863 km (0.074 R)
• M3: 836,102 km (0.056 R)
• M4: 1,652,458 km (0.099 R)
• M5: 2,075,072 km (0.064 R)
• M6: 3,296,688 km (0.093 R)
• M7: 3,687,737 km (0.102 R)
• M8: 4,202,653 km (0.057 R)
• M9: 4,714,278 km (0.089 R)
• M10: 5,687,711 km (0.074 R)
• M11: 6,345,493 km (0.115 R)
• M12: 7,323,414 km (0.08 R)
• M13: 7,992,865 km (0.077 R)
• M14: 8,779,749 km (0.09 R)
• M15: 9,252,180 km (0.031 R)
• M16: 10,377,305 km (0.076 R)
• M17: 13,664,419 km (0.047 R)
• M18: 14,733,894 km (0.117 R)
• M19: 17,588,670 km (0.099 R)
• M20: 19,244,270 km (0.117 R)
• M21: 25,698,072 km (0.051 R)
• M22: 28,247,668 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.5

Radius: 13.6

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.66 AU - 6.64 AU

Year: 5664 Days

Day: 11 Hours

Environment

Temp: -182 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,393,026 km

• M1: 169,195 km (0.082 R)
• M2: 644,019 km (0.087 R)
• M3: 1,332,019 km (0.085 R)
• M4: 2,650,276 km (0.095 R)
• M5: 3,136,768 km (0.052 R)
• M6: 3,704,492 km (0.068 R)
• M7: 4,292,711 km (0.033 R)
• M8: 10,532,887 km (0.119 R)
• M9: 11,624,503 km (0.077 R)
• M10: 12,541,238 km (0.103 R)
• M11: 13,042,690 km (0.053 R)
• M12: 14,683,181 km (0.058 R)
• M13: 17,613,205 km (0.07 R)
• M14: 20,913,034 km (0.09 R)
• M15: 21,405,810 km (0.086 R)
• M16: 26,686,914 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.9

Radius: 12.7

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.54 AU - 7.08 AU

Year: 7495 Days

Day: 9.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,393,026 km

• M1: 157,975 km (0.037 R)
• M2: 580,739 km (0.115 R)
• M3: 1,235,828 km (0.087 R)
• M4: 1,942,528 km (0.091 R)
• M5: 2,769,655 km (0.116 R)
• M6: 3,190,773 km (0.052 R)
• M7: 3,678,163 km (0.112 R)
• M8: 6,623,895 km (0.088 R)
• M9: 7,272,401 km (0.084 R)
• M10: 9,835,761 km (0.052 R)
• M11: 14,912,813 km (0.068 R)
• M12: 15,401,998 km (0.075 R)
• M13: 15,838,675 km (0.092 R)
• M14: 16,737,010 km (0.034 R)
• M15: 17,132,247 km (0.097 R)
• M16: 18,917,548 km (0.106 R)
• M17: 20,002,432 km (0.113 R)
• M18: 22,534,526 km (0.057 R)
• M19: 26,677,938 km (0.076 R)
• M20: 27,127,479 km (0.118 R)
• M21: 28,226,874 km (0.05 R)
• M22: 29,738,710 km (0.081 R)
• M23: 30,514,525 km (0.083 R)
• M24: 31,105,287 km (0.086 R)
• M25: 33,963,354 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.2

Radius: 12.5

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.51 AU - 7.65 AU

Year: 8802 Days

Day: 8.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,393,026 km

• M1: 156,479 km (0.104 R)
• M2: 669,301 km (0.088 R)
• M3: 1,094,757 km (0.095 R)
• M4: 1,775,876 km (0.096 R)
• M5: 2,181,735 km (0.081 R)
• M6: 3,271,556 km (0.09 R)
• M7: 5,093,957 km (0.083 R)
• M8: 5,577,457 km (0.09 R)
• M9: 6,428,669 km (0.055 R)
• M10: 6,957,947 km (0.118 R)
• M11: 8,471,877 km (0.116 R)
• M12: 9,461,916 km (0.102 R)
• M13: 10,867,388 km (0.116 R)
• M14: 11,620,314 km (0.096 R)
• M15: 12,461,503 km (0.098 R)
• M16: 13,174,486 km (0.086 R)
• M17: 13,914,397 km (0.091 R)
• M18: 16,237,054 km (0.074 R)
• M19: 18,384,681 km (0.095 R)
• M20: 19,599,565 km (0.101 R)
• M21: 25,430,740 km (0.06 R)
• M22: 28,130,234 km (0.112 R)
• M23: 30,423,121 km (0.051 R)
• M24: 31,214,493 km (0.036 R)
• M25: 37,705,994 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.1

Radius: 12.8

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.36 AU - 10.18 AU

Year: 11904 Days

Day: 8.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,393,026 km

• M1: 159,172 km (0.099 R)
• M2: 857,794 km (0.053 R)
• M3: 1,270,684 km (0.096 R)
• M4: 1,741,768 km (0.051 R)
• M5: 2,956,952 km (0.082 R)
• M6: 3,537,391 km (0.103 R)
• M7: 4,164,356 km (0.079 R)
• M8: 5,226,052 km (0.103 R)
• M9: 6,344,296 km (0.062 R)
• M10: 7,703,692 km (0.112 R)
• M11: 9,298,704 km (0.114 R)
• M12: 12,390,444 km (0.101 R)
• M13: 14,301,706 km (0.098 R)
• M14: 15,327,798 km (0.04 R)
• M15: 15,751,758 km (0.078 R)
• M16: 16,549,264 km (0.098 R)
• M17: 22,360,244 km (0.116 R)
• M18: 25,969,293 km (0.091 R)
• M19: 26,674,048 km (0.063 R)
• M20: 31,627,234 km (0.055 R)
• M21: 32,200,044 km (0.026 R)
• M22: 36,908,338 km (0.102 R)
• M23: 38,315,156 km (0.064 R)
• M24: 38,966,206 km (0.065 R)
• M25: 44,300,866 km (0.083 R)
• M26: 49,332,591 km (0.108 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: 369 - 13,195 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit