🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.3

Radius: 9.5

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.73 AU - 0.75 AU

Year: 432 Days

Day: 10.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,938,505 km

• M1: 118,182 km (0.114 R)
• M2: 448,644 km (0.048 R)
• M3: 869,313 km (0.118 R)
• M4: 1,192,594 km (0.093 R)
• M5: 2,110,676 km (0.029 R)
• M6: 2,498,284 km (0.073 R)
• M7: 2,803,913 km (0.113 R)
• M8: 3,100,416 km (0.112 R)
• M9: 3,479,198 km (0.059 R)
• M10: 3,835,839 km (0.101 R)
• M11: 4,402,366 km (0.12 R)
• M12: 4,789,675 km (0.085 R)
• M13: 5,119,239 km (0.109 R)
• M14: 5,719,426 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.9

Radius: 13.3

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.21 AU - 1.85 AU

Year: 1284 Days

Day: 7.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,938,505 km

• M1: 165,455 km (0.066 R)
• M2: 632,350 km (0.112 R)
• M3: 1,320,201 km (0.094 R)
• M4: 1,832,574 km (0.116 R)
• M5: 2,323,554 km (0.048 R)
• M6: 2,795,236 km (0.08 R)
• M7: 3,624,308 km (0.081 R)
• M8: 4,071,306 km (0.084 R)
• M9: 4,840,688 km (0.062 R)
• M10: 5,511,485 km (0.044 R)
• M11: 6,597,266 km (0.08 R)
• M12: 8,430,139 km (0.088 R)
• M13: 9,221,063 km (0.086 R)
• M14: 9,838,304 km (0.106 R)
• M15: 10,849,286 km (0.057 R)
• M16: 12,254,908 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.5

Radius: 11.7

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.43 AU - 2.45 AU

Year: 2585 Days

Day: 10.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,938,505 km

• M1: 145,858 km (0.066 R)
• M2: 538,253 km (0.092 R)
• M3: 953,387 km (0.114 R)
• M4: 1,476,232 km (0.099 R)
• M5: 2,133,714 km (0.111 R)
• M6: 2,553,486 km (0.092 R)
• M7: 3,506,275 km (0.081 R)
• M8: 4,614,197 km (0.066 R)
• M9: 5,652,855 km (0.117 R)
• M10: 6,213,847 km (0.095 R)
• M11: 6,753,147 km (0.117 R)
• M12: 8,189,137 km (0.113 R)
• M13: 8,595,146 km (0.083 R)
• M14: 9,374,700 km (0.074 R)
• M15: 9,781,756 km (0.049 R)
• M16: 10,317,017 km (0.088 R)
• M17: 10,871,726 km (0.107 R)
• M18: 11,740,890 km (0.086 R)
• M19: 12,301,882 km (0.091 R)
• M20: 14,285,849 km (0.076 R)
• M21: 14,677,197 km (0.09 R)
• M22: 15,328,546 km (0.081 R)
• M23: 18,128,420 km (0.099 R)
• M24: 18,936,996 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.3

Radius: 14.2

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.1 AU - 3.34 AU

Year: 3043 Days

Day: 8 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,938,505 km

• M1: 176,675 km (0.091 R)
• M2: 651,349 km (0.11 R)
• M3: 1,278,912 km (0.097 R)
• M4: 1,857,557 km (0.116 R)
• M5: 2,851,186 km (0.086 R)
• M6: 3,433,122 km (0.103 R)
• M7: 4,195,173 km (0.027 R)
• M8: 6,324,699 km (0.081 R)
• M9: 8,994,871 km (0.089 R)
• M10: 9,884,380 km (0.079 R)
• M11: 10,637,605 km (0.039 R)
• M12: 12,819,790 km (0.093 R)
• M13: 13,397,686 km (0.038 R)
• M14: 15,684,140 km (0.099 R)
• M15: 19,411,072 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.9

Radius: 13.6

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.12 AU - 3.6 AU

Year: 4177 Days

Day: 13.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,938,505 km

• M1: 169,195 km (0.062 R)
• M2: 632,949 km (0.103 R)
• M3: 1,618,051 km (0.091 R)
• M4: 2,135,360 km (0.092 R)
• M5: 2,888,585 km (0.067 R)
• M6: 3,790,810 km (0.108 R)
• M7: 4,743,748 km (0.092 R)
• M8: 5,167,410 km (0.112 R)
• M9: 6,529,349 km (0.092 R)
• M10: 7,468,524 km (0.11 R)
• M11: 7,934,372 km (0.078 R)
• M12: 9,615,403 km (0.056 R)
• M13: 10,341,701 km (0.118 R)
• M14: 10,785,857 km (0.031 R)
• M15: 13,724,857 km (0.054 R)
• M16: 17,161,419 km (0.074 R)
• M17: 17,659,281 km (0.075 R)
• M18: 20,433,573 km (0.082 R)
• M19: 21,205,648 km (0.06 R)
• M20: 28,792,504 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.5

Radius: 12.9

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.83 AU - 5.63 AU

Year: 6977 Days

Day: 10 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,938,505 km

• M1: 160,519 km (0.074 R)
• M2: 1,337,854 km (0.058 R)
• M3: 1,976,487 km (0.06 R)
• M4: 2,533,440 km (0.086 R)
• M5: 3,702,697 km (0.083 R)
• M6: 5,586,882 km (0.109 R)
• M7: 8,622,672 km (0.104 R)
• M8: 10,874,269 km (0.111 R)
• M9: 14,453,249 km (0.102 R)
• M10: 14,925,978 km (0.095 R)
• M11: 17,393,445 km (0.113 R)
• M12: 18,309,732 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.6

Radius: 13.1

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 4.76 AU - 6.32 AU

Year: 8844 Days

Day: 12.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,938,505 km

• M1: 163,062 km (0.091 R)
• M2: 685,308 km (0.112 R)
• M3: 1,655,001 km (0.076 R)
• M4: 2,600,310 km (0.107 R)
• M5: 3,119,564 km (0.039 R)
• M6: 3,660,062 km (0.106 R)
• M7: 4,588,316 km (0.081 R)
• M8: 6,727,416 km (0.08 R)
• M9: 7,478,248 km (0.077 R)
• M10: 9,647,716 km (0.09 R)
• M11: 10,505,062 km (0.037 R)
• M12: 14,390,118 km (0.061 R)
• M13: 23,393,666 km (0.111 R)
• M14: 24,330,747 km (0.075 R)
• M15: 33,066,964 km (0.108 R)
• M16: 37,033,402 km (0.067 R)
• M17: 37,840,033 km (0.113 R)
• M18: 40,572,588 km (0.092 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 413 - 11,469 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit