🌌 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: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.1

Radius: 14.4

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.58 AU - 0.84 AU

Year: 399 Days

Day: 8.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,628,172 km

• M1: 179,218 km (0.087 R)
• M2: 721,511 km (0.118 R)
• M3: 1,218,325 km (0.111 R)
• M4: 1,775,428 km (0.105 R)
• M5: 2,316,822 km (0.037 R)
• M6: 2,958,148 km (0.104 R)
• M7: 3,446,286 km (0.103 R)
• M8: 4,155,530 km (0.049 R)
• M9: 5,094,555 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.4

Radius: 13.9

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.02 AU - 1.06 AU

Year: 707 Days

Day: 12.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,628,172 km

• M1: 173,982 km (0.043 R)
• M2: 631,004 km (0.11 R)
• M3: 1,121,086 km (0.096 R)
• M4: 1,816,417 km (0.08 R)
• M5: 2,464,924 km (0.1 R)
• M6: 3,239,841 km (0.117 R)
• M7: 4,385,162 km (0.075 R)
• M8: 4,833,358 km (0.119 R)
• M9: 5,400,932 km (0.093 R)
• M10: 6,207,264 km (0.114 R)
• M11: 7,577,282 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.9

Radius: 14.7

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.82 AU - 1.36 AU

Year: 759 Days

Day: 14.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,628,172 km

• M1: 182,958 km (0.081 R)
• M2: 641,625 km (0.088 R)
• M3: 1,409,511 km (0.069 R)
• M4: 1,980,377 km (0.112 R)
• M5: 2,647,434 km (0.065 R)
• M6: 3,560,429 km (0.076 R)
• M7: 4,114,839 km (0.03 R)
• M8: 4,938,076 km (0.097 R)
• M9: 7,188,028 km (0.107 R)
• M10: 8,155,178 km (0.06 R)
• M11: 9,484,355 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974

Radius: 13.4

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.89 AU - 1.39 AU

Year: 812 Days

Day: 10 Hours

Environment

Temp: -180 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,628,172 km

• M1: 166,652 km (0.079 R)
• M2: 1,231,639 km (0.097 R)
• M3: 1,654,552 km (0.067 R)
• M4: 2,085,694 km (0.047 R)
• M5: 3,648,842 km (0.06 R)
• M6: 4,409,696 km (0.115 R)
• M7: 5,646,123 km (0.078 R)
• M8: 6,688,222 km (0.117 R)
• M9: 7,291,251 km (0.111 R)
• M10: 7,854,786 km (0.064 R)
• M11: 9,635,000 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.8

Radius: 14.4

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.21 AU - 1.41 AU

Year: 1000 Days

Day: 8.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,628,172 km

• M1: 179,667 km (0.106 R)
• M2: 647,609 km (0.106 R)
• M3: 1,127,669 km (0.102 R)
• M4: 1,597,556 km (0.095 R)
• M5: 2,085,544 km (0.066 R)
• M6: 2,736,743 km (0.091 R)
• M7: 4,329,362 km (0.04 R)
• M8: 4,928,352 km (0.069 R)
• M9: 5,418,584 km (0.034 R)
• M10: 6,204,422 km (0.102 R)
• M11: 8,030,563 km (0.078 R)
• M12: 8,796,953 km (0.087 R)
• M13: 9,581,594 km (0.117 R)
• M14: 10,068,385 km (0.086 R)
• M15: 10,829,539 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.2

Radius: 8.4

Gravity: 12.96 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.54 AU - 1.58 AU

Year: 1299 Days

Day: 11.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,628,172 km

• M1: 104,569 km (0.107 R)
• M2: 386,860 km (0.1 R)
• M3: 690,394 km (0.05 R)
• M4: 970,741 km (0.046 R)
• M5: 1,272,330 km (0.114 R)
• M6: 1,675,347 km (0.119 R)
• M7: 2,070,734 km (0.076 R)
• M8: 2,425,879 km (0.102 R)
• M9: 3,914,228 km (0.079 R)
• M10: 4,328,465 km (0.116 R)
• M11: 4,692,586 km (0.115 R)
• M12: 5,681,578 km (0.104 R)
• M13: 6,309,440 km (0.093 R)
• M14: 6,752,997 km (0.114 R)
• M15: 7,511,459 km (0.032 R)
• M16: 8,038,342 km (0.04 R)
• M17: 8,354,443 km (0.118 R)
• M18: 8,619,381 km (0.099 R)
• M19: 9,479,419 km (0.087 R)
• M20: 9,767,694 km (0.028 R)
• M21: 11,050,047 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.4

Radius: 11.9

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.07 AU - 2.29 AU

Year: 2146 Days

Day: 12.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,628,172 km

• M1: 148,401 km (0.059 R)
• M2: 577,747 km (0.109 R)
• M3: 989,141 km (0.114 R)
• M4: 1,783,057 km (0.062 R)
• M5: 2,295,430 km (0.103 R)
• M6: 2,690,667 km (0.06 R)
• M7: 3,305,066 km (0.099 R)
• M8: 4,048,268 km (0.034 R)
• M9: 6,718,440 km (0.068 R)
• M10: 7,256,694 km (0.088 R)
• M11: 8,237,906 km (0.08 R)
• M12: 14,424,376 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.8

Radius: 8

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.58 AU - 3.98 AU

Year: 3961 Days

Day: 10.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,628,172 km

• M1: 108,010 km (0.087 R)
• M2: 809,175 km (0.098 R)
• M3: 1,424,770 km (0.072 R)
• M4: 1,700,629 km (0.109 R)
• M5: 2,124,589 km (0.114 R)
• M6: 2,375,913 km (0.099 R)
• M7: 3,084,708 km (0.114 R)
• M8: 3,497,449 km (0.1 R)
• M9: 6,190,958 km (0.11 R)
• M10: 7,253,702 km (0.094 R)
• M11: 10,100,549 km (0.059 R)
• M12: 10,701,932 km (0.101 R)
• M13: 11,168,528 km (0.117 R)
• M14: 12,865,417 km (0.049 R)
• M15: 13,527,088 km (0.105 R)
• M16: 14,632,766 km (0.114 R)
• M17: 15,947,283 km (0.068 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.2

Radius: 11.8

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.56 AU - 5.66 AU

Year: 7703 Days

Day: 14.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,628,172 km

• M1: 146,756 km (0.12 R)
• M2: 705,803 km (0.113 R)
• M3: 1,304,344 km (0.109 R)
• M4: 3,018,137 km (0.079 R)
• M5: 3,747,726 km (0.11 R)
• M6: 4,482,850 km (0.073 R)
• M7: 5,014,820 km (0.117 R)
• M8: 5,778,966 km (0.08 R)
• M9: 6,239,877 km (0.054 R)
• M10: 8,009,919 km (0.081 R)
• M11: 9,362,433 km (0.109 R)
• M12: 13,630,760 km (0.038 R)
• M13: 14,212,695 km (0.085 R)
• M14: 17,646,415 km (0.096 R)
• M15: 20,446,289 km (0.082 R)
• M16: 26,910,862 km (0.112 R)
• M17: 28,481,191 km (0.046 R)
• M18: 33,980,259 km (0.109 R)
• M19: 35,813,581 km (0.098 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: 156 - 14,633 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit