🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.7

Radius: 9.6

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.67 AU - 1.07 AU

Year: 516 Days

Day: 6.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,874,822 km

• M1: 119,379 km (0.112 R)
• M2: 457,321 km (0.034 R)
• M3: 787,034 km (0.093 R)
• M4: 1,191,248 km (0.109 R)
• M5: 1,634,357 km (0.065 R)
• M6: 2,052,034 km (0.04 R)
• M7: 2,500,080 km (0.12 R)
• M8: 2,823,361 km (0.117 R)
• M9: 3,127,792 km (0.058 R)
• M10: 3,938,463 km (0.079 R)
• M11: 4,349,408 km (0.034 R)
• M12: 5,027,536 km (0.102 R)
• M13: 5,774,328 km (0.091 R)
• M14: 6,268,300 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.7

Radius: 9.7

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.37 AU - 1.89 AU

Year: 1323 Days

Day: 8.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,874,822 km

• M1: 120,725 km (0.116 R)
• M2: 459,565 km (0.097 R)
• M3: 828,623 km (0.093 R)
• M4: 1,154,148 km (0.094 R)
• M5: 1,651,112 km (0.088 R)
• M6: 2,371,575 km (0.117 R)
• M7: 3,151,130 km (0.07 R)
• M8: 3,692,225 km (0.094 R)
• M9: 5,693,695 km (0.081 R)
• M10: 6,157,897 km (0.116 R)
• M11: 6,697,497 km (0.1 R)
• M12: 7,348,547 km (0.057 R)
• M13: 7,731,368 km (0.117 R)
• M14: 8,213,970 km (0.096 R)
• M15: 8,716,619 km (0.097 R)
• M16: 9,816,014 km (0.114 R)
• M17: 10,146,476 km (0.037 R)
• M18: 10,621,748 km (0.087 R)
• M19: 10,935,006 km (0.046 R)
• M20: 11,653,375 km (0.072 R)
• M21: 12,750,376 km (0.101 R)
• M22: 13,064,831 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666

Radius: 14.4

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.29 AU - 3.69 AU

Year: 4145 Days

Day: 14.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 31,874,822 km

• M1: 195,225 km (0.06 R)
• M2: 678,127 km (0.077 R)
• M3: 1,332,468 km (0.081 R)
• M4: 1,908,121 km (0.065 R)
• M5: 2,489,757 km (0.09 R)
• M6: 3,133,627 km (0.101 R)
• M7: 4,038,843 km (0.116 R)
• M8: 5,455,535 km (0.067 R)
• M9: 6,642,445 km (0.118 R)
• M10: 7,313,840 km (0.039 R)
• M11: 8,351,301 km (0.054 R)
• M12: 9,172,893 km (0.033 R)
• M13: 9,723,413 km (0.116 R)
• M14: 10,379,549 km (0.11 R)
• M15: 11,419,105 km (0.059 R)
• M16: 12,479,454 km (0.082 R)
• M17: 13,354,153 km (0.057 R)
• M18: 14,478,531 km (0.042 R)
• M19: 14,956,346 km (0.108 R)
• M20: 16,799,093 km (0.1 R)
• M21: 17,565,184 km (0.092 R)
• M22: 21,338,491 km (0.069 R)
• M23: 23,233,297 km (0.077 R)
• M24: 23,889,134 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.1

Radius: 8.7

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 4.81 AU - 5.41 AU

Year: 7345 Days

Day: 10.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 31,874,822 km

• M1: 108,458 km (0.083 R)
• M2: 461,509 km (0.107 R)
• M3: 897,138 km (0.112 R)
• M4: 1,188,106 km (0.04 R)
• M5: 1,753,287 km (0.088 R)
• M6: 2,028,547 km (0.101 R)
• M7: 2,876,468 km (0.113 R)
• M8: 3,729,625 km (0.097 R)
• M9: 4,291,365 km (0.041 R)
• M10: 5,832,372 km (0.082 R)
• M11: 6,285,803 km (0.101 R)
• M12: 6,693,009 km (0.079 R)
• M13: 7,045,761 km (0.058 R)
• M14: 8,298,493 km (0.075 R)
• M15: 8,872,650 km (0.063 R)
• M16: 12,942,161 km (0.083 R)
• M17: 14,400,141 km (0.07 R)
• M18: 14,692,605 km (0.096 R)
• M19: 15,532,597 km (0.097 R)
• M20: 17,177,127 km (0.102 R)
• M21: 17,639,085 km (0.088 R)
• M22: 19,144,788 km (0.086 R)
• M23: 20,001,385 km (0.094 R)
• M24: 20,512,710 km (0.101 R)
• M25: 21,637,686 km (0.077 R)
• M26: 23,928,479 km (0.119 R)
• M27: 24,504,730 km (0.106 R)
• M28: 25,599,487 km (0.096 R)
• M29: 26,991,196 km (0.108 R)
• M30: 27,436,249 km (0.11 R)
• M31: 33,573,951 km (0.086 R)
• M32: 34,088,717 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.2

Radius: 3.5

Gravity: 11.61 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.4 AU - 8.7 AU

Year: 11902 Days

Day: 20.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,874,822 km

• M1: 44,131 km (0.111 R)
• M2: 255,064 km (0.04 R)
• M3: 765,044 km (0.062 R)
• M4: 911,649 km (0.094 R)
• M5: 1,516,324 km (0.102 R)
• M6: 1,735,634 km (0.095 R)
• M7: 2,368,284 km (0.059 R)
• M8: 5,907,470 km (0.091 R)
• M9: 9,964,265 km (0.055 R)
• M10: 10,409,768 km (0.109 R)
• M11: 13,418,779 km (0.025 R)
• M12: 14,860,454 km (0.055 R)
• M13: 17,787,636 km (0.105 R)
• M14: 19,938,853 km (0.085 R)
• M15: 20,078,877 km (0.115 R)
• M16: 22,032,774 km (0.117 R)
• M17: 23,951,666 km (0.076 R)
• M18: 24,830,105 km (0.093 R)
• M19: 26,229,743 km (0.116 R)
• M20: 27,855,273 km (0.045 R)
• M21: 30,556,562 km (0.083 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: 507 - 17,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit