🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.9

Radius: 12.1

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.56 AU - 0.88 AU

Year: 407 Days

Day: 5 Hours

Environment

Temp: -160 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 45,484,730 km

• M1: 151,692 km (0.084 R)
• M2: 544,686 km (0.11 R)
• M3: 936,333 km (0.119 R)
• M4: 1,483,412 km (0.089 R)
• M5: 1,926,970 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.1

Radius: 12.8

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.66 AU - 2 AU

Year: 1651 Days

Day: 14.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,484,730 km

• M1: 159,172 km (0.063 R)
• M2: 613,052 km (0.088 R)
• M3: 1,351,168 km (0.109 R)
• M4: 2,202,829 km (0.12 R)
• M5: 2,604,649 km (0.044 R)
• M6: 3,370,590 km (0.044 R)
• M7: 3,995,909 km (0.115 R)
• M8: 4,411,192 km (0.076 R)
• M9: 5,879,795 km (0.106 R)
• M10: 6,565,551 km (0.077 R)
• M11: 7,707,432 km (0.026 R)
• M12: 8,239,701 km (0.115 R)
• M13: 9,694,690 km (0.036 R)
• M14: 11,208,321 km (0.072 R)
• M15: 11,673,571 km (0.076 R)
• M16: 12,528,373 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.4

Radius: 12.2

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.87 AU - 2.09 AU

Year: 1858 Days

Day: 8.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,484,730 km

• M1: 151,842 km (0.114 R)
• M2: 534,513 km (0.101 R)
• M3: 983,008 km (0.116 R)
• M4: 1,443,470 km (0.034 R)
• M5: 2,017,776 km (0.1 R)
• M6: 2,766,663 km (0.118 R)
• M7: 3,820,281 km (0.065 R)
• M8: 4,307,072 km (0.119 R)
• M9: 5,184,165 km (0.119 R)
• M10: 5,739,771 km (0.088 R)
• M11: 6,472,501 km (0.096 R)
• M12: 7,167,234 km (0.113 R)
• M13: 8,342,924 km (0.107 R)
• M14: 9,918,638 km (0.114 R)
• M15: 10,485,614 km (0.111 R)
• M16: 10,908,527 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.1

Radius: 8.9

Gravity: 11.63 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.93 AU - 4.61 AU

Year: 4881 Days

Day: 11.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,484,730 km

• M1: 110,702 km (0.073 R)
• M2: 518,805 km (0.103 R)
• M3: 875,447 km (0.078 R)
• M4: 1,181,823 km (0.077 R)
• M5: 1,726,509 km (0.049 R)
• M6: 2,602,405 km (0.091 R)
• M7: 2,971,911 km (0.078 R)
• M8: 3,613,985 km (0.119 R)
• M9: 4,172,285 km (0.078 R)
• M10: 5,851,371 km (0.092 R)
• M11: 6,455,747 km (0.112 R)
• M12: 6,892,722 km (0.101 R)
• M13: 7,171,423 km (0.086 R)
• M14: 8,882,224 km (0.065 R)
• M15: 9,637,244 km (0.075 R)
• M16: 10,253,588 km (0.097 R)
• M17: 11,959,303 km (0.114 R)
• M18: 12,464,794 km (0.07 R)
• M19: 13,410,701 km (0.1 R)
• M20: 14,573,825 km (0.092 R)
• M21: 15,034,137 km (0.072 R)
• M22: 16,105,408 km (0.117 R)
• M23: 16,473,568 km (0.072 R)
• M24: 18,002,608 km (0.099 R)
• M25: 18,666,972 km (0.1 R)
• M26: 19,693,812 km (0.072 R)
• M27: 20,399,016 km (0.116 R)
• M28: 25,982,308 km (0.052 R)
• M29: 31,445,622 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.7

Radius: 14.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.04 AU - 4.12 AU

Year: 5496 Days

Day: 12.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,484,730 km

• M1: 175,628 km (0.096 R)
• M2: 691,741 km (0.085 R)
• M3: 1,201,121 km (0.033 R)
• M4: 2,086,741 km (0.092 R)
• M5: 2,559,919 km (0.069 R)
• M6: 3,227,724 km (0.086 R)
• M7: 3,914,378 km (0.113 R)
• M8: 4,616,889 km (0.108 R)
• M9: 5,890,117 km (0.086 R)
• M10: 6,541,466 km (0.118 R)
• M11: 7,132,378 km (0.085 R)
• M12: 8,105,362 km (0.037 R)
• M13: 9,293,020 km (0.057 R)
• M14: 10,086,636 km (0.085 R)
• M15: 13,554,764 km (0.034 R)
• M16: 14,116,055 km (0.077 R)
• M17: 14,751,397 km (0.118 R)
• M18: 15,770,757 km (0.085 R)
• M19: 18,083,989 km (0.092 R)
• M20: 20,033,399 km (0.102 R)
• M21: 21,133,691 km (0.112 R)
• M22: 21,736,720 km (0.059 R)
• M23: 24,182,945 km (0.091 R)
• M24: 24,759,794 km (0.118 R)
• M25: 25,599,786 km (0.089 R)
• M26: 26,632,610 km (0.12 R)
• M27: 29,616,638 km (0.055 R)
• M28: 33,017,896 km (0.108 R)
• M29: 33,932,986 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.1

Radius: 12.6

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.72 AU - 5.46 AU

Year: 6558 Days

Day: 11.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,484,730 km

• M1: 156,629 km (0.09 R)
• M2: 653,443 km (0.093 R)
• M3: 1,162,076 km (0.099 R)
• M4: 1,734,887 km (0.04 R)
• M5: 2,421,242 km (0.085 R)
• M6: 3,196,308 km (0.112 R)
• M7: 3,954,919 km (0.087 R)
• M8: 4,579,640 km (0.115 R)
• M9: 5,269,286 km (0.084 R)
• M10: 5,798,862 km (0.117 R)
• M11: 6,536,829 km (0.093 R)
• M12: 8,741,901 km (0.098 R)
• M13: 9,396,392 km (0.073 R)
• M14: 10,083,345 km (0.094 R)
• M15: 11,252,004 km (0.119 R)
• M16: 15,866,799 km (0.092 R)
• M17: 19,271,347 km (0.104 R)
• M18: 22,244,306 km (0.1 R)
• M19: 23,548,051 km (0.112 R)
• M20: 24,473,464 km (0.046 R)
• M21: 26,486,602 km (0.092 R)
• M22: 28,231,213 km (0.062 R)
• M23: 29,371,896 km (0.074 R)
• M24: 36,311,592 km (0.115 R)
• M25: 38,693,489 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.3

Radius: 8.9

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.35 AU - 4.89 AU

Year: 6622 Days

Day: 6.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,484,730 km

• M1: 112,797 km (0.115 R)
• M2: 440,715 km (0.039 R)
• M3: 801,097 km (0.093 R)
• M4: 1,101,040 km (0.102 R)
• M5: 2,303,209 km (0.032 R)
• M6: 2,583,555 km (0.04 R)
• M7: 3,088,448 km (0.099 R)
• M8: 4,295,254 km (0.079 R)
• M9: 5,388,067 km (0.09 R)
• M10: 7,230,215 km (0.105 R)
• M11: 7,529,410 km (0.105 R)
• M12: 8,112,842 km (0.092 R)
• M13: 9,325,931 km (0.081 R)
• M14: 10,655,856 km (0.084 R)
• M15: 12,107,853 km (0.116 R)
• M16: 16,211,921 km (0.084 R)
• M17: 24,682,901 km (0.066 R)
• M18: 28,117,069 km (0.096 R)
• M19: 32,867,251 km (0.1 R)
• M20: 33,174,375 km (0.101 R)
• M21: 35,700,485 km (0.114 R)
• M22: 36,679,902 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.5

Radius: 8.7

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.36 AU - 5.34 AU

Year: 7123 Days

Day: 7.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,484,730 km

• M1: 109,057 km (0.053 R)
• M2: 399,576 km (0.087 R)
• M3: 822,339 km (0.118 R)
• M4: 1,262,008 km (0.112 R)
• M5: 2,061,608 km (0.096 R)
• M6: 2,672,716 km (0.085 R)
• M7: 3,421,602 km (0.112 R)
• M8: 3,905,252 km (0.105 R)
• M9: 7,819,780 km (0.104 R)
• M10: 8,618,333 km (0.112 R)
• M11: 9,122,927 km (0.118 R)
• M12: 9,514,125 km (0.096 R)
• M13: 10,707,617 km (0.118 R)
• M14: 12,734,519 km (0.054 R)
• M15: 14,066,389 km (0.102 R)
• M16: 15,550,250 km (0.096 R)
• M17: 16,234,959 km (0.078 R)
• M18: 17,266,885 km (0.086 R)
• M19: 17,731,686 km (0.115 R)
• M20: 20,476,508 km (0.098 R)
• M21: 21,756,916 km (0.105 R)
• M22: 24,145,545 km (0.105 R)
• M23: 24,643,407 km (0.099 R)
• M24: 25,232,972 km (0.104 R)
• M25: 30,677,587 km (0.03 R)
• M26: 32,351,886 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431.8

Radius: 6.7

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.3 AU - 8.16 AU

Year: 11643 Days

Day: 21.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 45,484,730 km

• M1: 85,420 km (0.11 R)
• M2: 540,796 km (0.112 R)
• M3: 818,600 km (0.039 R)
• M4: 1,079,947 km (0.115 R)
• M5: 1,297,014 km (0.104 R)
• M6: 2,237,087 km (0.091 R)
• M7: 2,881,405 km (0.078 R)
• M8: 3,144,248 km (0.117 R)
• M9: 4,979,814 km (0.12 R)
• M10: 6,000,221 km (0.095 R)
• M11: 6,212,800 km (0.112 R)
• M12: 7,719,699 km (0.106 R)
• M13: 8,491,325 km (0.067 R)
• M14: 10,956,249 km (0.091 R)
• M15: 11,435,860 km (0.102 R)
• M16: 12,609,305 km (0.063 R)
• M17: 16,196,064 km (0.064 R)
• M18: 16,609,104 km (0.061 R)
• M19: 18,630,620 km (0.112 R)
• M20: 19,467,769 km (0.089 R)
• M21: 20,729,927 km (0.103 R)
• M22: 21,711,588 km (0.101 R)
• M23: 22,213,937 km (0.109 R)
• M24: 23,767,362 km (0.084 R)
• M25: 24,570,702 km (0.046 R)
• M26: 26,231,388 km (0.081 R)
• M27: 28,063,962 km (0.104 R)
• M28: 29,062,079 km (0.064 R)
• M29: 33,735,666 km (0.057 R)
• M30: 39,379,246 km (0.037 R)
• M31: 40,001,124 km (0.089 R)
• M32: 42,553,713 km (0.032 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 17,066 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit