🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.4

Radius: 9.3

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.53 AU - 0.59 AU

Year: 295 Days

Day: 14 Hours

Environment

Temp: -155 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,336,404 km

• M1: 115,639 km (0.096 R)
• M2: 411,544 km (0.069 R)
• M3: 853,905 km (0.037 R)
• M4: 1,182,122 km (0.085 R)
• M5: 1,526,497 km (0.099 R)
• M6: 1,887,177 km (0.091 R)
• M7: 2,927,032 km (0.109 R)
• M8: 3,251,959 km (0.12 R)
• M9: 4,011,317 km (0.062 R)
• M10: 4,374,691 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.8

Radius: 11.7

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.59 AU - 0.71 AU

Year: 368 Days

Day: 14.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,336,404 km

• M1: 145,559 km (0.067 R)
• M2: 543,938 km (0.085 R)
• M3: 968,347 km (0.112 R)
• M4: 1,399,787 km (0.068 R)
• M5: 2,093,622 km (0.1 R)
• M6: 2,590,886 km (0.111 R)
• M7: 3,423,697 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.8

Radius: 11.5

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.89 AU - 1.05 AU

Year: 672 Days

Day: 7.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,336,404 km

• M1: 143,016 km (0.118 R)
• M2: 511,176 km (0.11 R)
• M3: 1,267,094 km (0.094 R)
• M4: 1,692,850 km (0.096 R)
• M5: 2,129,825 km (0.082 R)
• M6: 2,718,343 km (0.094 R)
• M7: 3,197,804 km (0.099 R)
• M8: 3,802,778 km (0.058 R)
• M9: 4,545,681 km (0.119 R)
• M10: 5,242,209 km (0.116 R)
• M11: 6,580,362 km (0.106 R)
• M12: 7,080,617 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.8

Radius: 12.6

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.65 AU - 1.97 AU

Year: 1712 Days

Day: 13.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,336,404 km

• M1: 156,629 km (0.109 R)
• M2: 879,486 km (0.113 R)
• M3: 2,718,941 km (0.109 R)
• M4: 3,139,461 km (0.116 R)
• M5: 4,316,796 km (0.118 R)
• M6: 10,473,945 km (0.077 R)
• M7: 10,987,515 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.3

Radius: 10.3

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.27 AU - 2.73 AU

Year: 2779 Days

Day: 8.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,336,404 km

• M1: 128,205 km (0.095 R)
• M2: 680,670 km (0.101 R)
• M3: 1,001,408 km (0.087 R)
• M4: 1,370,616 km (0.094 R)
• M5: 1,900,940 km (0.081 R)
• M6: 2,243,220 km (0.065 R)
• M7: 3,270,658 km (0.067 R)
• M8: 3,638,220 km (0.117 R)
• M9: 4,294,805 km (0.12 R)
• M10: 4,852,057 km (0.042 R)
• M11: 5,290,977 km (0.087 R)
• M12: 6,202,627 km (0.098 R)
• M13: 6,576,322 km (0.093 R)
• M14: 7,014,794 km (0.057 R)
• M15: 8,059,136 km (0.092 R)
• M16: 8,647,505 km (0.099 R)
• M17: 9,204,159 km (0.032 R)
• M18: 10,292,184 km (0.116 R)
• M19: 11,291,348 km (0.088 R)
• M20: 11,956,759 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.7

Radius: 10.3

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.7 AU - 3.02 AU

Year: 3400 Days

Day: 14.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,336,404 km

• M1: 128,056 km (0.105 R)
• M2: 661,971 km (0.119 R)
• M3: 1,060,499 km (0.116 R)
• M4: 1,689,409 km (0.101 R)
• M5: 3,293,696 km (0.1 R)
• M6: 4,020,144 km (0.096 R)
• M7: 5,625,329 km (0.112 R)
• M8: 6,451,558 km (0.094 R)
• M9: 6,816,277 km (0.114 R)
• M10: 7,890,988 km (0.119 R)
• M11: 9,848,177 km (0.086 R)
• M12: 11,046,456 km (0.092 R)
• M13: 12,525,231 km (0.114 R)
• M14: 12,950,538 km (0.078 R)
• M15: 14,592,973 km (0.047 R)
• M16: 15,011,249 km (0.108 R)
• M17: 16,764,685 km (0.108 R)
• M18: 17,749,937 km (0.099 R)
• M19: 18,106,728 km (0.05 R)
• M20: 18,589,929 km (0.055 R)
• M21: 19,330,738 km (0.079 R)
• M22: 19,771,902 km (0.076 R)
• M23: 20,478,752 km (0.094 R)
• M24: 21,739,263 km (0.083 R)
• M25: 23,475,795 km (0.042 R)
• M26: 23,978,145 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.1

Radius: 10.6

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.99 AU - 3.29 AU

Year: 3911 Days

Day: 10.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,336,404 km

• M1: 132,095 km (0.044 R)
• M2: 486,193 km (0.11 R)
• M3: 937,979 km (0.1 R)
• M4: 1,539,362 km (0.113 R)
• M5: 2,588,043 km (0.056 R)
• M6: 3,152,925 km (0.052 R)
• M7: 3,662,605 km (0.06 R)
• M8: 4,686,752 km (0.075 R)
• M9: 5,630,565 km (0.081 R)
• M10: 5,998,875 km (0.117 R)
• M11: 6,901,399 km (0.11 R)
• M12: 10,582,703 km (0.116 R)
• M13: 12,863,323 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.8

Radius: 9.3

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4 AU - 5.5 AU

Year: 7277 Days

Day: 8.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 38,336,404 km

• M1: 115,639 km (0.083 R)
• M2: 605,423 km (0.038 R)
• M3: 1,189,453 km (0.096 R)
• M4: 1,526,945 km (0.113 R)
• M5: 1,840,054 km (0.074 R)
• M6: 2,131,171 km (0.104 R)
• M7: 2,453,405 km (0.073 R)
• M8: 3,668,589 km (0.086 R)
• M9: 4,950,792 km (0.102 R)
• M10: 5,552,026 km (0.099 R)
• M11: 6,134,111 km (0.117 R)
• M12: 7,156,613 km (0.08 R)
• M13: 8,085,765 km (0.107 R)
• M14: 9,136,840 km (0.094 R)
• M15: 9,491,686 km (0.11 R)
• M16: 10,563,704 km (0.047 R)
• M17: 11,204,133 km (0.051 R)
• M18: 12,671,538 km (0.113 R)
• M19: 13,795,317 km (0.117 R)
• M20: 17,226,943 km (0.046 R)
• M21: 17,632,802 km (0.096 R)
• M22: 18,675,200 km (0.106 R)
• M23: 19,247,711 km (0.102 R)
• M24: 21,733,728 km (0.085 R)
• M25: 22,607,829 km (0.081 R)
• M26: 22,931,409 km (0.084 R)
• M27: 23,422,688 km (0.088 R)
• M28: 26,161,975 km (0.083 R)
• M29: 28,728,177 km (0.099 R)
• M30: 31,759,927 km (0.113 R)
• M31: 37,765,982 km (0.041 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 12,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit