🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.4

Radius: 15

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.47 AU - 0.57 AU

Year: 264 Days

Day: 6.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,607,967 km

• M1: 186,549 km (0.077 R)
• M2: 781,350 km (0.095 R)
• M3: 1,264,551 km (0.071 R)
• M4: 2,050,837 km (0.117 R)
• M5: 2,553,187 km (0.113 R)
• M6: 3,384,801 km (0.106 R)
• M7: 3,940,857 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.3

Radius: 14.6

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.43 AU - 0.67 AU

Year: 287 Days

Day: 8.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 37,607,967 km

• M1: 181,612 km (0.107 R)
• M2: 702,063 km (0.097 R)
• M3: 1,504,057 km (0.033 R)
• M4: 2,088,237 km (0.099 R)
• M5: 2,839,667 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.1

Radius: 14.2

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.6 AU - 0.86 AU

Year: 438 Days

Day: 10.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,607,967 km

• M1: 185,501 km (0.098 R)
• M2: 651,948 km (0.088 R)
• M3: 1,181,075 km (0.049 R)
• M4: 1,735,036 km (0.092 R)
• M5: 2,199,238 km (0.085 R)
• M6: 2,713,705 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.9

Radius: 13.8

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.73 AU - 1.07 AU

Year: 600 Days

Day: 13.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,607,967 km

• M1: 171,589 km (0.048 R)
• M2: 633,846 km (0.107 R)
• M3: 1,147,715 km (0.117 R)
• M4: 1,666,969 km (0.119 R)
• M5: 2,392,519 km (0.11 R)
• M6: 3,175,215 km (0.098 R)
• M7: 3,747,427 km (0.088 R)
• M8: 4,298,396 km (0.105 R)
• M9: 6,056,919 km (0.09 R)
• M10: 6,598,014 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.9

Radius: 10.6

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.8 AU - 1.14 AU

Year: 672 Days

Day: 6.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,607,967 km

• M1: 131,796 km (0.052 R)
• M2: 518,656 km (0.078 R)
• M3: 874,549 km (0.042 R)
• M4: 1,342,042 km (0.077 R)
• M5: 1,922,781 km (0.118 R)
• M6: 2,267,754 km (0.1 R)
• M7: 2,847,446 km (0.11 R)
• M8: 3,190,773 km (0.103 R)
• M9: 3,692,075 km (0.09 R)
• M10: 4,059,637 km (0.094 R)
• M11: 4,664,761 km (0.07 R)
• M12: 5,244,901 km (0.097 R)
• M13: 6,092,523 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.5

Radius: 11.2

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.93 AU - 1.23 AU

Year: 789 Days

Day: 11.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,607,967 km

• M1: 139,276 km (0.078 R)
• M2: 492,027 km (0.082 R)
• M3: 872,904 km (0.066 R)
• M4: 1,393,953 km (0.105 R)
• M5: 2,020,170 km (0.098 R)
• M6: 2,719,390 km (0.103 R)
• M7: 3,204,386 km (0.084 R)
• M8: 3,630,591 km (0.103 R)
• M9: 4,078,936 km (0.092 R)
• M10: 4,597,741 km (0.098 R)
• M11: 4,979,814 km (0.083 R)
• M12: 6,255,136 km (0.063 R)
• M13: 6,791,444 km (0.117 R)
• M14: 7,404,646 km (0.091 R)
• M15: 8,406,353 km (0.067 R)
• M16: 8,820,889 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.4

Radius: 13.8

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.22 AU - 3 AU

Year: 2964 Days

Day: 12.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 37,607,967 km

• M1: 171,589 km (0.096 R)
• M2: 664,514 km (0.107 R)
• M3: 1,164,171 km (0.116 R)
• M4: 1,959,732 km (0.036 R)
• M5: 2,939,449 km (0.117 R)
• M6: 3,444,790 km (0.074 R)
• M7: 3,987,082 km (0.047 R)
• M8: 4,920,124 km (0.066 R)
• M9: 5,938,287 km (0.082 R)
• M10: 6,482,973 km (0.108 R)
• M11: 6,967,521 km (0.076 R)
• M12: 11,897,070 km (0.1 R)
• M13: 12,533,160 km (0.107 R)
• M14: 13,627,468 km (0.064 R)
• M15: 14,476,586 km (0.098 R)
• M16: 15,044,609 km (0.037 R)
• M17: 16,501,992 km (0.038 R)
• M18: 20,138,865 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.7

Radius: 9.6

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.46 AU - 4.36 AU

Year: 5435 Days

Day: 10.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,607,967 km

• M1: 119,529 km (0.08 R)
• M2: 419,622 km (0.052 R)
• M3: 737,667 km (0.064 R)
• M4: 1,617,602 km (0.109 R)
• M5: 3,084,409 km (0.114 R)
• M6: 3,619,820 km (0.035 R)
• M7: 4,876,591 km (0.114 R)
• M8: 5,259,861 km (0.116 R)
• M9: 6,025,353 km (0.112 R)
• M10: 7,961,599 km (0.083 R)
• M11: 8,889,405 km (0.113 R)
• M12: 9,758,867 km (0.049 R)
• M13: 10,324,796 km (0.096 R)
• M14: 12,555,600 km (0.048 R)
• M15: 14,692,306 km (0.066 R)
• M16: 15,147,084 km (0.046 R)
• M17: 16,568,114 km (0.035 R)
• M18: 17,563,388 km (0.079 R)
• M19: 19,536,435 km (0.083 R)
• M20: 20,017,242 km (0.101 R)
• M21: 20,576,439 km (0.087 R)
• M22: 22,019,909 km (0.111 R)
• M23: 22,615,907 km (0.044 R)
• M24: 22,917,795 km (0.097 R)
• M25: 23,762,126 km (0.059 R)
• M26: 24,468,228 km (0.117 R)
• M27: 27,262,417 km (0.048 R)
• M28: 30,445,710 km (0.047 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.3

Radius: 9.9

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.05 AU - 5.99 AU

Year: 7906 Days

Day: 5.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 37,607,967 km

• M1: 126,111 km (0.111 R)
• M2: 603,478 km (0.083 R)
• M3: 1,239,867 km (0.12 R)
• M4: 1,635,703 km (0.113 R)
• M5: 2,398,353 km (0.102 R)
• M6: 3,990,074 km (0.12 R)
• M7: 5,640,737 km (0.088 R)
• M8: 6,224,618 km (0.05 R)
• M9: 7,101,710 km (0.08 R)
• M10: 8,019,044 km (0.055 R)
• M11: 9,721,019 km (0.058 R)
• M12: 10,608,583 km (0.064 R)
• M13: 11,246,469 km (0.081 R)
• M14: 11,702,742 km (0.103 R)
• M15: 12,171,432 km (0.095 R)
• M16: 13,202,162 km (0.107 R)
• M17: 14,407,771 km (0.084 R)
• M18: 15,810,849 km (0.117 R)
• M19: 18,886,731 km (0.081 R)
• M20: 19,823,513 km (0.1 R)
• M21: 20,490,121 km (0.039 R)
• M22: 21,711,737 km (0.115 R)
• M23: 23,388,131 km (0.099 R)
• M24: 24,468,078 km (0.095 R)
• M25: 26,105,876 km (0.114 R)
• M26: 26,637,995 km (0.115 R)
• M27: 27,449,564 km (0.094 R)
• M28: 28,092,236 km (0.101 R)
• M29: 33,913,089 km (0.106 R)
• M30: 35,187,962 km (0.108 R)
• M31: 37,383,461 km (0.113 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 16,062 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit