🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.9

Radius: 12

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.37 AU - 1.57 AU

Year: 1209 Days

Day: 14.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,428,898 km

• M1: 149,299 km (0.075 R)
• M2: 602,431 km (0.075 R)
• M3: 1,131,259 km (0.089 R)
• M4: 1,513,930 km (0.119 R)
• M5: 1,914,703 km (0.072 R)
• M6: 2,295,579 km (0.115 R)
• M7: 2,677,054 km (0.104 R)
• M8: 3,822,525 km (0.118 R)
• M9: 4,328,016 km (0.114 R)
• M10: 4,764,393 km (0.066 R)
• M11: 5,190,149 km (0.116 R)
• M12: 5,662,429 km (0.091 R)
• M13: 6,909,477 km (0.038 R)
• M14: 7,329,847 km (0.111 R)
• M15: 7,899,216 km (0.116 R)
• M16: 9,909,363 km (0.103 R)
• M17: 10,349,181 km (0.049 R)
• M18: 10,933,809 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.6

Radius: 11.2

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.72 AU - 4 AU

Year: 4177 Days

Day: 9.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,428,898 km

• M1: 139,276 km (0.082 R)
• M2: 510,877 km (0.116 R)
• M3: 1,136,495 km (0.112 R)
• M4: 2,470,160 km (0.077 R)
• M5: 2,979,391 km (0.106 R)
• M6: 3,863,066 km (0.117 R)
• M7: 4,628,109 km (0.117 R)
• M8: 5,128,365 km (0.067 R)
• M9: 5,931,256 km (0.1 R)
• M10: 7,186,981 km (0.101 R)
• M11: 8,729,036 km (0.077 R)
• M12: 9,788,039 km (0.104 R)
• M13: 10,348,732 km (0.099 R)
• M14: 13,797,262 km (0.094 R)
• M15: 15,634,473 km (0.065 R)
• M16: 16,103,463 km (0.071 R)
• M17: 16,702,752 km (0.048 R)
• M18: 17,819,051 km (0.071 R)
• M19: 18,590,527 km (0.107 R)
• M20: 19,925,389 km (0.099 R)
• M21: 20,897,177 km (0.114 R)
• M22: 22,487,702 km (0.118 R)
• M23: 26,648,617 km (0.041 R)
• M24: 29,483,496 km (0.101 R)
• M25: 30,199,921 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.6

Radius: 12.4

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.62 AU - 5.28 AU

Year: 7470 Days

Day: 12.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,428,898 km

• M1: 184,155 km (0.114 R)
• M2: 572,511 km (0.092 R)
• M3: 1,538,315 km (0.105 R)
• M4: 2,461,334 km (0.089 R)
• M5: 3,010,956 km (0.085 R)
• M6: 3,500,740 km (0.1 R)
• M7: 4,021,640 km (0.03 R)
• M8: 4,594,001 km (0.068 R)
• M9: 5,459,275 km (0.118 R)
• M10: 7,021,376 km (0.051 R)
• M11: 7,923,152 km (0.112 R)
• M12: 10,038,616 km (0.044 R)
• M13: 14,448,761 km (0.083 R)
• M14: 15,192,561 km (0.093 R)
• M15: 15,794,693 km (0.095 R)
• M16: 16,872,396 km (0.116 R)
• M17: 17,697,279 km (0.086 R)
• M18: 20,864,565 km (0.053 R)
• M19: 23,729,364 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.9

Radius: 3.8

Gravity: 41.27 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.06 AU - 9.9 AU

Year: 18252 Days

Day: 15 Hours

Environment

Temp: -238 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,428,898 km

• M1: 47,572 km (0.115 R)
• M2: 215,271 km (0.082 R)
• M3: 337,642 km (0.094 R)
• M4: 515,664 km (0.089 R)
• M5: 670,647 km (0.073 R)
• M6: 1,039,256 km (0.073 R)
• M7: 2,369,929 km (0.07 R)
• M8: 2,523,866 km (0.065 R)
• M9: 4,224,195 km (0.047 R)
• M10: 4,858,041 km (0.041 R)
• M11: 10,099,502 km (0.118 R)
• M12: 10,800,667 km (0.112 R)
• M13: 11,409,231 km (0.115 R)
• M14: 12,561,584 km (0.078 R)
• M15: 12,962,356 km (0.056 R)
• M16: 15,854,981 km (0.108 R)
• M17: 16,719,956 km (0.117 R)
• M18: 18,372,264 km (0.069 R)
• M19: 22,579,255 km (0.043 R)
• M20: 24,283,474 km (0.076 R)
• M21: 25,643,169 km (0.052 R)
• M22: 33,462,351 km (0.112 R)
• M23: 33,717,415 km (0.031 R)
• M24: 36,474,504 km (0.091 R)
• M25: 37,838,687 km (0.096 R)
• M26: 42,283,240 km (0.107 R)
• M27: 42,581,388 km (0.114 R)
• M28: 47,223,261 km (0.073 R)
• M29: 54,096,535 km (0.049 R)
• M30: 63,929,603 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 817.1

Radius: 7.7

Gravity: 13.78 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 8.1 AU - 9.98 AU

Year: 18435 Days

Day: 22.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,428,898 km

• M1: 108,458 km (0.105 R)
• M2: 369,208 km (0.087 R)
• M3: 919,728 km (0.076 R)
• M4: 2,716,099 km (0.094 R)
• M5: 3,043,269 km (0.107 R)
• M6: 4,485,842 km (0.112 R)
• M7: 11,331,889 km (0.101 R)
• M8: 17,167,552 km (0.11 R)
• M9: 17,678,878 km (0.108 R)
• M10: 23,781,125 km (0.057 R)
• M11: 24,954,421 km (0.118 R)
• M12: 25,390,499 km (0.079 R)
• M13: 28,114,676 km (0.066 R)
• M14: 28,586,956 km (0.111 R)
• M15: 34,673,495 km (0.092 R)
• M16: 35,903,489 km (0.08 R)
• M17: 36,599,119 km (0.076 R)
• M18: 37,162,205 km (0.04 R)
• M19: 51,408,560 km (0.057 R)
• M20: 57,051,242 km (0.116 R)
• M21: 64,105,829 km (0.103 R)
• M22: 66,580,627 km (0.116 R)
• M23: 67,419,572 km (0.09 R)
• M24: 68,053,418 km (0.104 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 17,085 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit