🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261

Radius: 13.8

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.85 AU - 1.31 AU

Year: 725 Days

Day: 12.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,433,758 km

• M1: 171,589 km (0.055 R)
• M2: 695,780 km (0.081 R)
• M3: 1,464,713 km (0.079 R)
• M4: 2,066,096 km (0.089 R)
• M5: 2,647,434 km (0.109 R)
• M6: 3,098,172 km (0.053 R)
• M7: 4,336,693 km (0.081 R)
• M8: 4,831,413 km (0.062 R)
• M9: 5,299,056 km (0.044 R)
• M10: 5,745,905 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.3

Radius: 13.9

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.13 AU - 1.37 AU

Year: 902 Days

Day: 6.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,433,758 km

• M1: 172,935 km (0.112 R)
• M2: 644,617 km (0.1 R)
• M3: 1,205,908 km (0.091 R)
• M4: 1,691,952 km (0.116 R)
• M5: 2,310,390 km (0.1 R)
• M6: 3,077,527 km (0.034 R)
• M7: 3,778,543 km (0.09 R)
• M8: 4,829,767 km (0.11 R)
• M9: 5,404,971 km (0.108 R)
• M10: 7,291,999 km (0.045 R)
• M11: 8,755,515 km (0.071 R)
• M12: 9,700,076 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.6

Radius: 14.9

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.72 AU - 2.26 AU

Year: 1813 Days

Day: 9 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,433,758 km

• M1: 186,399 km (0.1 R)
• M2: 742,604 km (0.101 R)
• M3: 1,285,943 km (0.06 R)
• M4: 1,823,598 km (0.026 R)
• M5: 2,832,486 km (0.086 R)
• M6: 3,389,289 km (0.083 R)
• M7: 4,000,546 km (0.079 R)
• M8: 4,481,803 km (0.057 R)
• M9: 5,132,553 km (0.057 R)
• M10: 5,942,626 km (0.115 R)
• M11: 6,703,780 km (0.055 R)
• M12: 7,386,993 km (0.061 R)
• M13: 9,087,173 km (0.039 R)
• M14: 9,856,405 km (0.057 R)
• M15: 10,851,231 km (0.085 R)
• M16: 11,912,030 km (0.058 R)
• M17: 12,958,018 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.9

Radius: 13

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.59 AU - 4.29 AU

Year: 4120 Days

Day: 12.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,433,758 km

• M1: 208,240 km (0.09 R)
• M2: 667,805 km (0.11 R)
• M3: 1,089,222 km (0.116 R)
• M4: 2,162,437 km (0.113 R)
• M5: 3,746,828 km (0.096 R)
• M6: 4,210,133 km (0.107 R)
• M7: 4,641,124 km (0.045 R)
• M8: 5,754,432 km (0.111 R)
• M9: 6,521,270 km (0.096 R)
• M10: 8,755,963 km (0.086 R)
• M11: 12,536,451 km (0.093 R)
• M12: 13,629,114 km (0.096 R)
• M13: 16,167,640 km (0.044 R)
• M14: 22,778,370 km (0.064 R)
• M15: 23,475,646 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.4

Radius: 9.1

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.94 AU - 4.6 AU

Year: 4726 Days

Day: 9.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,433,758 km

• M1: 113,246 km (0.086 R)
• M2: 450,140 km (0.061 R)
• M3: 790,176 km (0.065 R)
• M4: 1,142,030 km (0.117 R)
• M5: 1,473,689 km (0.086 R)
• M6: 1,767,798 km (0.064 R)
• M7: 2,508,906 km (0.096 R)
• M8: 3,585,562 km (0.06 R)
• M9: 4,170,340 km (0.059 R)
• M10: 6,967,521 km (0.055 R)
• M11: 7,842,968 km (0.115 R)
• M12: 9,291,225 km (0.119 R)
• M13: 10,141,090 km (0.084 R)
• M14: 10,953,706 km (0.037 R)
• M15: 12,277,048 km (0.119 R)
• M16: 13,199,918 km (0.112 R)
• M17: 14,272,834 km (0.088 R)
• M18: 17,537,508 km (0.078 R)
• M19: 18,208,454 km (0.092 R)
• M20: 22,384,778 km (0.119 R)
• M21: 24,280,333 km (0.099 R)
• M22: 25,267,080 km (0.09 R)
• M23: 26,044,241 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.8

Radius: 10.2

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.71 AU - 6.09 AU

Year: 7003 Days

Day: 6.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,433,758 km

• M1: 127,906 km (0.046 R)
• M2: 620,083 km (0.088 R)
• M3: 942,616 km (0.082 R)
• M4: 1,623,735 km (0.076 R)
• M5: 2,018,225 km (0.088 R)
• M6: 3,087,550 km (0.117 R)
• M7: 3,820,879 km (0.084 R)
• M8: 4,837,995 km (0.101 R)
• M9: 5,696,388 km (0.05 R)
• M10: 6,334,572 km (0.065 R)
• M11: 7,516,395 km (0.113 R)
• M12: 8,580,335 km (0.097 R)
• M13: 11,259,783 km (0.107 R)
• M14: 14,392,213 km (0.103 R)
• M15: 16,554,052 km (0.109 R)
• M16: 16,956,919 km (0.117 R)
• M17: 17,922,274 km (0.086 R)
• M18: 18,347,132 km (0.068 R)
• M19: 21,038,697 km (0.075 R)
• M20: 22,396,896 km (0.103 R)
• M21: 23,474,299 km (0.097 R)
• M22: 25,911,698 km (0.11 R)
• M23: 26,729,699 km (0.113 R)
• M24: 33,583,076 km (0.06 R)
• M25: 34,993,485 km (0.031 R)
• M26: 37,010,962 km (0.077 R)
• M27: 39,580,754 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.8

Radius: 5.7

Gravity: 16.28 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 8.48 AU - 10.86 AU

Year: 19416 Days

Day: 20.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,433,758 km

• M1: 70,909 km (0.118 R)
• M2: 254,466 km (0.113 R)
• M3: 731,534 km (0.05 R)
• M4: 958,025 km (0.076 R)
• M5: 2,781,623 km (0.037 R)
• M6: 2,976,848 km (0.088 R)
• M7: 3,450,176 km (0.099 R)
• M8: 3,881,616 km (0.108 R)
• M9: 4,512,021 km (0.089 R)
• M10: 7,726,132 km (0.119 R)
• M11: 8,822,983 km (0.116 R)
• M12: 11,506,919 km (0.036 R)
• M13: 13,478,469 km (0.113 R)
• M14: 13,968,851 km (0.058 R)
• M15: 16,521,888 km (0.117 R)
• M16: 17,410,200 km (0.095 R)
• M17: 21,095,693 km (0.047 R)
• M18: 25,587,220 km (0.071 R)
• M19: 29,026,924 km (0.078 R)
• M20: 41,906,253 km (0.114 R)
• M21: 44,623,998 km (0.117 R)
• M22: 45,243,482 km (0.036 R)
• M23: 52,440,935 km (0.096 R)
• M24: 65,204,626 km (0.117 R)
• M25: 68,228,896 km (0.109 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: 182 - 13,612 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit