🌌 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: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.3

Radius: 13.6

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.47 AU - 0.63 AU

Year: 277 Days

Day: 13.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 40,090,233 km

• M1: 169,195 km (0.051 R)
• M2: 1,048,232 km (0.088 R)
• M3: 1,568,085 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.1

Radius: 11.7

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.49 AU - 0.73 AU

Year: 323 Days

Day: 6.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,090,233 km

• M1: 145,559 km (0.064 R)
• M2: 516,861 km (0.08 R)
• M3: 992,731 km (0.096 R)
• M4: 1,392,756 km (0.081 R)
• M5: 1,902,436 km (0.113 R)
• M6: 2,716,099 km (0.061 R)
• M7: 3,303,121 km (0.119 R)
• M8: 3,773,157 km (0.09 R)
• M9: 4,181,111 km (0.102 R)
• M10: 4,804,784 km (0.071 R)
• M11: 5,223,509 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.6

Radius: 13.9

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.75 AU - 1.01 AU

Year: 560 Days

Day: 7.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,090,233 km

• M1: 172,935 km (0.114 R)
• M2: 713,283 km (0.1 R)
• M3: 1,281,306 km (0.094 R)
• M4: 1,821,055 km (0.109 R)
• M5: 2,810,645 km (0.072 R)
• M6: 3,374,180 km (0.093 R)
• M7: 4,106,462 km (0.071 R)
• M8: 4,612,850 km (0.043 R)
• M9: 5,176,834 km (0.11 R)
• M10: 5,701,324 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26

Radius: 9.3

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.21 AU - 1.79 AU

Year: 1246 Days

Day: 10.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,090,233 km

• M1: 116,387 km (0.111 R)
• M2: 432,487 km (0.056 R)
• M3: 1,572,423 km (0.085 R)
• M4: 2,113,968 km (0.115 R)
• M5: 2,555,132 km (0.069 R)
• M6: 2,970,415 km (0.107 R)
• M7: 3,995,310 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.1

Radius: 9.6

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.55 AU - 1.59 AU

Year: 1334 Days

Day: 12.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,090,233 km

• M1: 119,379 km (0.085 R)
• M2: 423,811 km (0.097 R)
• M3: 773,870 km (0.057 R)
• M4: 1,403,228 km (0.078 R)
• M5: 1,998,478 km (0.081 R)
• M6: 2,365,890 km (0.095 R)
• M7: 2,778,182 km (0.088 R)
• M8: 3,079,472 km (0.09 R)
• M9: 3,515,251 km (0.116 R)
• M10: 4,734,773 km (0.063 R)
• M11: 5,130,160 km (0.038 R)
• M12: 5,724,662 km (0.118 R)
• M13: 6,194,997 km (0.085 R)
• M14: 7,544,071 km (0.084 R)
• M15: 7,959,654 km (0.059 R)
• M16: 8,262,141 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.5

Radius: 9.3

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.81 AU - 3.39 AU

Year: 3702 Days

Day: 10 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,090,233 km

• M1: 116,387 km (0.119 R)
• M2: 447,447 km (0.118 R)
• M3: 818,749 km (0.109 R)
• M4: 1,139,786 km (0.07 R)
• M5: 1,636,002 km (0.076 R)
• M6: 2,465,373 km (0.102 R)
• M7: 2,836,675 km (0.068 R)
• M8: 3,377,022 km (0.096 R)
• M9: 4,615,693 km (0.109 R)
• M10: 5,658,240 km (0.074 R)
• M11: 6,696,749 km (0.093 R)
• M12: 7,038,131 km (0.076 R)
• M13: 9,109,762 km (0.114 R)
• M14: 9,842,942 km (0.066 R)
• M15: 10,448,962 km (0.083 R)
• M16: 11,691,223 km (0.069 R)
• M17: 12,233,067 km (0.107 R)
• M18: 12,933,634 km (0.084 R)
• M19: 13,415,488 km (0.102 R)
• M20: 14,880,799 km (0.12 R)
• M21: 15,787,811 km (0.112 R)
• M22: 16,282,681 km (0.065 R)
• M23: 16,901,567 km (0.087 R)
• M24: 18,366,430 km (0.091 R)
• M25: 18,791,288 km (0.056 R)
• M26: 22,292,626 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.9

Radius: 13.8

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.71 AU - 4.25 AU

Year: 5385 Days

Day: 14.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,090,233 km

• M1: 176,376 km (0.062 R)
• M2: 836,701 km (0.065 R)
• M3: 1,473,539 km (0.111 R)
• M4: 2,078,812 km (0.087 R)
• M5: 2,543,014 km (0.068 R)
• M6: 3,257,793 km (0.109 R)
• M7: 4,424,656 km (0.107 R)
• M8: 4,897,834 km (0.075 R)
• M9: 5,823,247 km (0.118 R)
• M10: 6,263,513 km (0.026 R)
• M11: 9,139,383 km (0.068 R)
• M12: 11,294,041 km (0.107 R)
• M13: 11,832,144 km (0.075 R)
• M14: 12,336,140 km (0.064 R)
• M15: 15,848,698 km (0.089 R)
• M16: 19,074,028 km (0.084 R)
• M17: 19,838,473 km (0.114 R)
• M18: 20,335,437 km (0.066 R)
• M19: 21,726,398 km (0.107 R)
• M20: 22,406,919 km (0.116 R)
• M21: 25,025,031 km (0.089 R)
• M22: 29,462,852 km (0.067 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.4

Radius: 12.3

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.35 AU - 5.33 AU

Year: 7222 Days

Day: 5.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,090,233 km

• M1: 153,188 km (0.078 R)
• M2: 921,672 km (0.076 R)
• M3: 1,437,187 km (0.073 R)
• M4: 2,845,501 km (0.113 R)
• M5: 3,240,439 km (0.072 R)
• M6: 3,792,306 km (0.106 R)
• M7: 4,460,261 km (0.096 R)
• M8: 4,967,547 km (0.117 R)
• M9: 5,703,868 km (0.104 R)
• M10: 6,725,322 km (0.112 R)
• M11: 7,627,247 km (0.047 R)
• M12: 8,779,450 km (0.057 R)
• M13: 9,671,203 km (0.118 R)
• M14: 12,110,845 km (0.085 R)
• M15: 12,600,030 km (0.114 R)
• M16: 14,087,631 km (0.073 R)
• M17: 16,205,638 km (0.097 R)
• M18: 17,001,499 km (0.067 R)
• M19: 17,823,240 km (0.095 R)
• M20: 22,092,614 km (0.06 R)
• M21: 22,988,555 km (0.064 R)
• M22: 26,633,507 km (0.112 R)
• M23: 29,461,805 km (0.057 R)
• M24: 33,007,573 km (0.091 R)
• M25: 37,856,788 km (0.067 R)
• M26: 38,436,181 km (0.086 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: 340 - 14,106 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit