🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.3

Radius: 8.1

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.02 AU - 1.06 AU

Year: 732 Days

Day: 14.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,180,690 km

• M1: 100,679 km (0.109 R)
• M2: 613,202 km (0.109 R)
• M3: 874,848 km (0.066 R)
• M4: 1,511,088 km (0.06 R)
• M5: 1,922,033 km (0.092 R)
• M6: 2,492,600 km (0.103 R)
• M7: 4,370,053 km (0.055 R)
• M8: 4,814,359 km (0.084 R)
• M9: 5,370,564 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.2

Radius: 12.2

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.07 AU - 1.07 AU

Year: 764 Days

Day: 13.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,180,690 km

• M1: 151,692 km (0.098 R)
• M2: 581,337 km (0.103 R)
• M3: 1,053,019 km (0.065 R)
• M4: 1,971,700 km (0.099 R)
• M5: 2,508,607 km (0.102 R)
• M6: 3,504,031 km (0.073 R)
• M7: 3,985,138 km (0.083 R)
• M8: 4,394,886 km (0.07 R)
• M9: 5,116,995 km (0.04 R)
• M10: 6,666,680 km (0.094 R)
• M11: 8,155,926 km (0.115 R)
• M12: 8,978,864 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944

Radius: 13

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.2 AU - 1.74 AU

Year: 1230 Days

Day: 6.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,180,690 km

• M1: 161,715 km (0.057 R)
• M2: 576,849 km (0.056 R)
• M3: 1,357,152 km (0.082 R)
• M4: 1,860,100 km (0.097 R)
• M5: 2,329,987 km (0.096 R)
• M6: 2,797,630 km (0.12 R)
• M7: 3,252,707 km (0.085 R)
• M8: 3,994,263 km (0.077 R)
• M9: 4,650,998 km (0.116 R)
• M10: 5,637,895 km (0.09 R)
• M11: 6,065,296 km (0.098 R)
• M12: 9,164,665 km (0.067 R)
• M13: 11,020,875 km (0.09 R)
• M14: 12,203,895 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.7

Radius: 9.8

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.81 AU - 2.51 AU

Year: 2191 Days

Day: 9.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,180,690 km

• M1: 126,859 km (0.099 R)
• M2: 476,170 km (0.095 R)
• M3: 909,256 km (0.103 R)
• M4: 1,571,077 km (0.105 R)
• M5: 2,014,934 km (0.057 R)
• M6: 3,383,006 km (0.039 R)
• M7: 3,690,131 km (0.112 R)
• M8: 4,053,354 km (0.046 R)
• M9: 5,896,550 km (0.046 R)
• M10: 7,002,377 km (0.103 R)
• M11: 7,504,278 km (0.062 R)
• M12: 7,970,425 km (0.102 R)
• M13: 8,424,754 km (0.042 R)
• M14: 9,253,526 km (0.105 R)
• M15: 11,146,986 km (0.095 R)
• M16: 13,881,934 km (0.065 R)
• M17: 14,540,614 km (0.075 R)
• M18: 14,900,247 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.3

Radius: 13.2

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.01 AU - 4.39 AU

Year: 5941 Days

Day: 8 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,180,690 km

• M1: 164,258 km (0.109 R)
• M2: 841,338 km (0.111 R)
• M3: 1,327,980 km (0.062 R)
• M4: 2,019,422 km (0.066 R)
• M5: 2,960,243 km (0.084 R)
• M6: 3,436,413 km (0.114 R)
• M7: 3,917,669 km (0.11 R)
• M8: 4,444,104 km (0.083 R)
• M9: 5,379,240 km (0.086 R)
• M10: 6,000,819 km (0.08 R)
• M11: 7,711,920 km (0.081 R)
• M12: 8,939,969 km (0.06 R)
• M13: 9,432,595 km (0.098 R)
• M14: 10,653,463 km (0.105 R)
• M15: 11,207,723 km (0.07 R)
• M16: 11,927,737 km (0.094 R)
• M17: 14,608,830 km (0.113 R)
• M18: 15,120,605 km (0.097 R)
• M19: 16,240,345 km (0.1 R)
• M20: 16,666,699 km (0.046 R)
• M21: 20,918,121 km (0.111 R)
• M22: 22,457,632 km (0.072 R)
• M23: 23,063,504 km (0.106 R)
• M24: 29,918,527 km (0.038 R)
• M25: 30,375,848 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.5

Radius: 8.7

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.45 AU - 5.09 AU

Year: 6091 Days

Day: 5.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,180,690 km

• M1: 108,458 km (0.116 R)
• M2: 421,716 km (0.108 R)
• M3: 747,541 km (0.112 R)
• M4: 1,275,471 km (0.04 R)
• M5: 3,243,282 km (0.114 R)
• M6: 6,184,974 km (0.116 R)
• M7: 6,757,186 km (0.086 R)
• M8: 9,694,989 km (0.096 R)
• M9: 11,187,677 km (0.089 R)
• M10: 14,239,773 km (0.1 R)
• M11: 20,791,112 km (0.118 R)
• M12: 26,397,891 km (0.052 R)
• M13: 28,671,778 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746

Radius: 12.1

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.41 AU - 5.31 AU

Year: 6284 Days

Day: 10.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,180,690 km

• M1: 150,495 km (0.096 R)
• M2: 539,450 km (0.05 R)
• M3: 958,474 km (0.105 R)
• M4: 1,342,192 km (0.075 R)
• M5: 2,271,344 km (0.067 R)
• M6: 2,725,673 km (0.09 R)
• M7: 3,703,445 km (0.101 R)
• M8: 6,683,584 km (0.09 R)
• M9: 7,290,054 km (0.107 R)
• M10: 10,090,975 km (0.108 R)
• M11: 10,794,085 km (0.07 R)
• M12: 13,431,346 km (0.101 R)
• M13: 14,515,332 km (0.087 R)
• M14: 15,656,764 km (0.11 R)
• M15: 17,446,702 km (0.103 R)
• M16: 18,598,007 km (0.073 R)
• M17: 19,583,558 km (0.113 R)
• M18: 20,089,199 km (0.108 R)
• M19: 23,227,912 km (0.063 R)
• M20: 26,504,105 km (0.118 R)
• M21: 27,301,761 km (0.099 R)
• M22: 28,298,382 km (0.108 R)
• M23: 28,945,094 km (0.111 R)
• M24: 29,790,920 km (0.116 R)
• M25: 31,630,824 km (0.071 R)
• M26: 32,528,411 km (0.119 R)
• M27: 33,340,279 km (0.075 R)
• M28: 34,269,880 km (0.082 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 18,893 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit