🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.7

Radius: 13.5

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.16 AU - 1.93 AU

Year: 1215 Days

Day: 6.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,295,402 km

• M1: 167,998 km (0.075 R)
• M2: 861,385 km (0.096 R)
• M3: 1,650,364 km (0.068 R)
• M4: 2,243,220 km (0.095 R)
• M5: 2,744,523 km (0.104 R)
• M6: 3,707,484 km (0.083 R)
• M7: 4,158,073 km (0.059 R)
• M8: 4,645,463 km (0.1 R)
• M9: 5,074,360 km (0.086 R)
• M10: 6,919,350 km (0.105 R)
• M11: 7,531,355 km (0.099 R)
• M12: 8,259,298 km (0.096 R)
• M13: 8,863,823 km (0.078 R)
• M14: 10,223,668 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.4

Radius: 8.9

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.66 AU - 5.66 AU

Year: 6396 Days

Day: 8.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,295,402 km

• M1: 121,324 km (0.083 R)
• M2: 407,056 km (0.109 R)
• M3: 912,846 km (0.066 R)
• M4: 1,218,475 km (0.041 R)
• M5: 1,512,584 km (0.079 R)
• M6: 1,920,837 km (0.119 R)
• M7: 3,052,844 km (0.111 R)
• M8: 3,400,210 km (0.084 R)
• M9: 3,993,066 km (0.084 R)
• M10: 4,628,558 km (0.079 R)
• M11: 4,957,673 km (0.029 R)
• M12: 5,384,327 km (0.034 R)
• M13: 6,010,842 km (0.03 R)
• M14: 7,546,016 km (0.097 R)
• M15: 8,220,553 km (0.105 R)
• M16: 9,207,899 km (0.104 R)
• M17: 9,607,923 km (0.117 R)
• M18: 10,572,381 km (0.099 R)
• M19: 13,038,502 km (0.054 R)
• M20: 13,390,655 km (0.115 R)
• M21: 15,191,963 km (0.112 R)
• M22: 15,638,363 km (0.049 R)
• M23: 21,072,356 km (0.115 R)
• M24: 21,627,663 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.8

Radius: 9.7

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.81 AU - 5.77 AU

Year: 6666 Days

Day: 11.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,295,402 km

• M1: 126,709 km (0.093 R)
• M2: 619,784 km (0.072 R)
• M3: 3,199,599 km (0.041 R)
• M4: 4,136,381 km (0.12 R)
• M5: 4,681,217 km (0.079 R)
• M6: 5,061,794 km (0.057 R)
• M7: 5,885,180 km (0.078 R)
• M8: 7,086,152 km (0.056 R)
• M9: 8,666,354 km (0.118 R)
• M10: 9,639,638 km (0.104 R)
• M11: 11,755,999 km (0.081 R)
• M12: 12,996,465 km (0.118 R)
• M13: 15,735,901 km (0.061 R)
• M14: 19,093,027 km (0.061 R)
• M15: 22,972,099 km (0.07 R)
• M16: 23,776,936 km (0.094 R)
• M17: 26,462,667 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.7

Radius: 9.7

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.99 AU - 5.99 AU

Year: 9321 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 37,295,402 km

• M1: 135,984 km (0.083 R)
• M2: 551,119 km (0.069 R)
• M3: 906,563 km (0.117 R)
• M4: 2,249,354 km (0.086 R)
• M5: 3,759,245 km (0.103 R)
• M6: 4,144,310 km (0.058 R)
• M7: 4,527,280 km (0.083 R)
• M8: 4,844,577 km (0.095 R)
• M9: 5,589,276 km (0.09 R)
• M10: 7,383,553 km (0.095 R)
• M11: 7,865,856 km (0.095 R)
• M12: 10,105,187 km (0.045 R)
• M13: 11,423,593 km (0.093 R)
• M14: 12,457,164 km (0.082 R)
• M15: 13,790,231 km (0.104 R)
• M16: 15,473,656 km (0.035 R)
• M17: 24,721,796 km (0.111 R)
• M18: 27,766,861 km (0.102 R)
• M19: 30,031,324 km (0.091 R)
• M20: 32,098,168 km (0.111 R)
• M21: 32,843,315 km (0.092 R)
• M22: 33,166,297 km (0.062 R)
• M23: 34,258,062 km (0.12 R)
• M24: 34,924,521 km (0.118 R)
• M25: 35,486,410 km (0.041 R)
• M26: 36,168,726 km (0.119 R)
• M27: 40,078,616 km (0.102 R)
• M28: 41,191,923 km (0.029 R)
• M29: 41,819,187 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 313.2

Radius: 7.1

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.28 AU - 6.4 AU

Year: 10150 Days

Day: 21 Hours

Environment

Temp: -217 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,295,402 km

• M1: 88,412 km (0.067 R)
• M2: 428,000 km (0.047 R)
• M3: 742,305 km (0.119 R)
• M4: 1,196,783 km (0.119 R)
• M5: 1,795,474 km (0.097 R)
• M6: 3,046,561 km (0.105 R)
• M7: 3,524,227 km (0.078 R)
• M8: 3,829,257 km (0.101 R)
• M9: 4,050,662 km (0.091 R)
• M10: 4,385,761 km (0.101 R)
• M11: 5,979,726 km (0.08 R)
• M12: 6,211,304 km (0.105 R)
• M13: 7,051,595 km (0.104 R)
• M14: 7,310,399 km (0.068 R)
• M15: 7,652,380 km (0.105 R)
• M16: 9,750,789 km (0.039 R)
• M17: 11,030,150 km (0.104 R)
• M18: 12,152,433 km (0.09 R)
• M19: 13,688,504 km (0.102 R)
• M20: 14,208,507 km (0.093 R)
• M21: 14,503,065 km (0.116 R)
• M22: 16,228,676 km (0.119 R)
• M23: 26,852,219 km (0.111 R)
• M24: 27,758,334 km (0.099 R)
• M25: 31,288,694 km (0.061 R)
• M26: 32,596,927 km (0.065 R)
• M27: 34,362,332 km (0.052 R)
• M28: 34,680,227 km (0.114 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 18,808 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit