🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319

Radius: 10.3

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.09 AU - 1.71 AU

Year: 1087 Days

Day: 11.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,741,683 km

• M1: 128,056 km (0.12 R)
• M2: 476,170 km (0.105 R)
• M3: 955,182 km (0.096 R)
• M4: 1,469,500 km (0.088 R)
• M5: 3,573,594 km (0.063 R)
• M6: 4,097,486 km (0.07 R)
• M7: 5,245,350 km (0.103 R)
• M8: 6,304,353 km (0.032 R)
• M9: 6,722,928 km (0.103 R)
• M10: 7,137,614 km (0.071 R)
• M11: 7,523,277 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.8

Radius: 9.9

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.94 AU - 2.32 AU

Year: 2039 Days

Day: 7.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,741,683 km

• M1: 123,867 km (0.112 R)
• M2: 496,665 km (0.037 R)
• M3: 895,343 km (0.07 R)
• M4: 1,289,833 km (0.05 R)
• M5: 1,909,168 km (0.115 R)
• M6: 2,369,331 km (0.096 R)
• M7: 2,794,937 km (0.101 R)
• M8: 3,482,638 km (0.061 R)
• M9: 4,173,332 km (0.111 R)
• M10: 4,701,861 km (0.089 R)
• M11: 5,503,406 km (0.107 R)
• M12: 6,487,611 km (0.044 R)
• M13: 7,558,732 km (0.106 R)
• M14: 9,036,310 km (0.119 R)
• M15: 9,487,497 km (0.056 R)
• M16: 9,827,683 km (0.079 R)
• M17: 10,697,744 km (0.105 R)
• M18: 12,151,985 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.5

Radius: 10.2

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.43 AU - 3.09 AU

Year: 3008 Days

Day: 6.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,741,683 km

• M1: 127,607 km (0.044 R)
• M2: 674,686 km (0.087 R)
• M3: 1,051,972 km (0.057 R)
• M4: 1,422,077 km (0.107 R)
• M5: 1,829,732 km (0.089 R)
• M6: 2,257,133 km (0.116 R)
• M7: 2,833,832 km (0.113 R)
• M8: 3,525,872 km (0.084 R)
• M9: 3,891,190 km (0.11 R)
• M10: 4,259,500 km (0.118 R)
• M11: 7,896,823 km (0.115 R)
• M12: 9,000,107 km (0.12 R)
• M13: 10,489,204 km (0.08 R)
• M14: 10,822,508 km (0.064 R)
• M15: 11,510,509 km (0.034 R)
• M16: 12,136,277 km (0.094 R)
• M17: 13,504,349 km (0.111 R)
• M18: 14,505,907 km (0.037 R)
• M19: 15,077,670 km (0.084 R)
• M20: 20,333,642 km (0.085 R)
• M21: 21,648,158 km (0.03 R)
• M22: 23,370,030 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.2

Radius: 13.8

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.54 AU - 5 AU

Year: 5788 Days

Day: 6.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,741,683 km

• M1: 171,738 km (0.114 R)
• M2: 1,182,122 km (0.088 R)
• M3: 2,649,378 km (0.105 R)
• M4: 3,829,556 km (0.108 R)
• M5: 4,516,509 km (0.112 R)
• M6: 5,971,199 km (0.044 R)
• M7: 6,627,634 km (0.055 R)
• M8: 7,081,365 km (0.088 R)
• M9: 7,556,039 km (0.025 R)
• M10: 8,256,157 km (0.084 R)
• M11: 9,519,062 km (0.049 R)
• M12: 11,242,729 km (0.073 R)
• M13: 11,758,841 km (0.117 R)
• M14: 15,092,480 km (0.119 R)
• M15: 15,721,390 km (0.078 R)
• M16: 17,598,694 km (0.098 R)
• M17: 18,354,612 km (0.119 R)
• M18: 19,132,072 km (0.079 R)
• M19: 20,056,287 km (0.03 R)
• M20: 20,816,993 km (0.099 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.2

Radius: 6.8

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.98 AU - 6.86 AU

Year: 9449 Days

Day: 16.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,741,683 km

• M1: 84,672 km (0.062 R)
• M2: 406,607 km (0.081 R)
• M3: 1,014,274 km (0.054 R)
• M4: 4,101,525 km (0.111 R)
• M5: 5,088,422 km (0.074 R)
• M6: 6,257,978 km (0.119 R)
• M7: 6,627,634 km (0.09 R)
• M8: 6,905,438 km (0.101 R)
• M9: 7,634,428 km (0.11 R)
• M10: 8,213,970 km (0.045 R)
• M11: 10,312,380 km (0.116 R)
• M12: 13,228,641 km (0.113 R)
• M13: 17,891,307 km (0.058 R)
• M14: 20,993,967 km (0.094 R)
• M15: 23,866,246 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338.6

Radius: 3.6

Gravity: 26.13 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 8.6 AU - 9.16 AU

Year: 17359 Days

Day: 22 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,741,683 km

• M1: 198,068 km (0.095 R)
• M2: 327,919 km (0.039 R)
• M3: 444,156 km (0.059 R)
• M4: 635,193 km (0.053 R)
• M5: 930,499 km (0.044 R)
• M6: 1,145,471 km (0.119 R)
• M7: 1,658,592 km (0.076 R)
• M8: 2,010,446 km (0.051 R)
• M9: 2,726,421 km (0.098 R)
• M10: 3,117,769 km (0.033 R)
• M11: 3,467,230 km (0.055 R)
• M12: 5,832,971 km (0.082 R)
• M13: 6,246,309 km (0.052 R)
• M14: 8,004,832 km (0.089 R)
• M15: 8,947,897 km (0.108 R)
• M16: 9,650,409 km (0.051 R)
• M17: 9,857,752 km (0.099 R)
• M18: 10,716,743 km (0.117 R)
• M19: 11,800,280 km (0.099 R)
• M20: 13,917,838 km (0.114 R)
• M21: 14,450,556 km (0.027 R)
• M22: 14,585,792 km (0.092 R)
• M23: 18,645,430 km (0.091 R)
• M24: 25,210,832 km (0.032 R)
• M25: 25,406,954 km (0.03 R)
• M26: 37,573,899 km (0.076 R)
• M27: 38,995,677 km (0.096 R)
• M28: 43,194,590 km (0.104 R)
• M29: 45,911,587 km (0.109 R)
• M30: 46,203,901 km (0.057 R)
• M31: 54,088,008 km (0.111 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 15,339 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit