🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.3

Radius: 11.2

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.8 AU - 0.82 AU

Year: 503 Days

Day: 12 Hours

Environment

Temp: -168 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,686,948 km

• M1: 139,276 km (0.096 R)
• M2: 526,435 km (0.073 R)
• M3: 967,001 km (0.054 R)
• M4: 1,590,824 km (0.101 R)
• M5: 2,029,146 km (0.067 R)
• M6: 2,439,343 km (0.061 R)
• M7: 2,883,200 km (0.108 R)
• M8: 3,542,029 km (0.077 R)
• M9: 5,409,160 km (0.099 R)
• M10: 6,132,466 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.2

Radius: 9.3

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.69 AU - 1.07 AU

Year: 570 Days

Day: 6.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 62,686,948 km

• M1: 115,789 km (0.108 R)
• M2: 482,004 km (0.067 R)
• M3: 787,932 km (0.091 R)
• M4: 1,922,632 km (0.05 R)
• M5: 2,237,984 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.2

Radius: 11.4

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.96 AU - 2.02 AU

Year: 1938 Days

Day: 14.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,686,948 km

• M1: 141,819 km (0.083 R)
• M2: 840,291 km (0.057 R)
• M3: 1,607,130 km (0.032 R)
• M4: 2,524,165 km (0.114 R)
• M5: 3,488,772 km (0.093 R)
• M6: 4,258,453 km (0.061 R)
• M7: 5,137,939 km (0.102 R)
• M8: 7,783,577 km (0.099 R)
• M9: 8,857,540 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.5

Radius: 9.5

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.69 AU - 2.77 AU

Year: 2299 Days

Day: 14.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,686,948 km

• M1: 118,182 km (0.093 R)
• M2: 424,858 km (0.101 R)
• M3: 1,004,998 km (0.081 R)
• M4: 1,326,634 km (0.047 R)
• M5: 1,631,514 km (0.097 R)
• M6: 2,705,926 km (0.103 R)
• M7: 3,289,956 km (0.094 R)
• M8: 3,705,390 km (0.12 R)
• M9: 4,034,954 km (0.084 R)
• M10: 4,865,521 km (0.108 R)
• M11: 5,529,287 km (0.032 R)
• M12: 6,834,678 km (0.077 R)
• M13: 7,791,506 km (0.051 R)
• M14: 8,172,382 km (0.083 R)
• M15: 9,109,912 km (0.103 R)
• M16: 9,713,091 km (0.111 R)
• M17: 10,803,210 km (0.063 R)
• M18: 11,398,161 km (0.033 R)
• M19: 12,696,970 km (0.084 R)
• M20: 13,722,463 km (0.059 R)
• M21: 14,562,754 km (0.116 R)
• M22: 16,760,945 km (0.076 R)
• M23: 18,548,341 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.4

Radius: 8.4

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.91 AU - 4.45 AU

Year: 5899 Days

Day: 5 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,686,948 km

• M1: 104,569 km (0.116 R)
• M2: 848,669 km (0.12 R)
• M3: 2,415,706 km (0.058 R)
• M4: 3,987,232 km (0.07 R)
• M5: 4,303,781 km (0.063 R)
• M6: 5,248,492 km (0.062 R)
• M7: 5,798,264 km (0.056 R)
• M8: 7,241,285 km (0.07 R)
• M9: 9,651,606 km (0.107 R)
• M10: 10,518,974 km (0.102 R)
• M11: 13,889,115 km (0.079 R)
• M12: 15,985,879 km (0.096 R)
• M13: 18,532,633 km (0.081 R)
• M14: 22,592,270 km (0.104 R)
• M15: 23,455,301 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909

Radius: 3.2

Gravity: 88.77 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.96 AU - 7 AU

Year: 12729 Days

Day: 22.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,686,948 km

• M1: 40,391 km (0.064 R)
• M2: 143,913 km (0.102 R)
• M3: 261,198 km (0.099 R)
• M4: 580,290 km (0.081 R)
• M5: 782,247 km (0.088 R)
• M6: 1,041,052 km (0.086 R)
• M7: 1,382,584 km (0.083 R)
• M8: 1,501,364 km (0.105 R)
• M9: 2,181,885 km (0.08 R)
• M10: 3,623,260 km (0.102 R)
• M11: 4,921,172 km (0.093 R)
• M12: 6,336,667 km (0.112 R)
• M13: 6,458,738 km (0.072 R)
• M14: 7,721,793 km (0.112 R)
• M15: 7,861,219 km (0.061 R)
• M16: 10,839,413 km (0.064 R)
• M17: 11,369,588 km (0.077 R)
• M18: 12,867,212 km (0.111 R)
• M19: 13,063,185 km (0.062 R)
• M20: 14,421,085 km (0.09 R)
• M21: 19,138,953 km (0.093 R)
• M22: 20,262,134 km (0.104 R)
• M23: 21,703,958 km (0.119 R)
• M24: 24,789,863 km (0.042 R)
• M25: 26,648,018 km (0.093 R)
• M26: 29,833,406 km (0.117 R)
• M27: 30,176,733 km (0.116 R)
• M28: 31,105,137 km (0.092 R)
• M29: 31,222,572 km (0.08 R)
• M30: 32,775,397 km (0.101 R)
• M31: 35,519,322 km (0.065 R)
• M32: 39,502,215 km (0.081 R)
• M33: 43,478,826 km (0.115 R)
• M34: 52,050,186 km (0.119 R)
• M35: 53,889,641 km (0.096 R)
• M36: 57,168,078 km (0.105 R)
• M37: 60,760,073 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.8

Radius: 7.3

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.06 AU - 9.5 AU

Year: 16446 Days

Day: 24.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,686,948 km

• M1: 90,806 km (0.064 R)
• M2: 376,089 km (0.103 R)
• M3: 646,113 km (0.071 R)
• M4: 964,009 km (0.115 R)
• M5: 1,208,003 km (0.041 R)
• M6: 1,479,822 km (0.101 R)
• M7: 2,334,624 km (0.113 R)
• M8: 4,238,407 km (0.114 R)
• M9: 5,996,331 km (0.1 R)
• M10: 11,941,201 km (0.103 R)
• M11: 14,154,053 km (0.076 R)
• M12: 17,888,465 km (0.114 R)
• M13: 19,373,074 km (0.105 R)
• M14: 22,056,112 km (0.072 R)
• M15: 22,942,928 km (0.101 R)
• M16: 23,213,550 km (0.111 R)
• M17: 25,263,640 km (0.03 R)
• M18: 28,456,657 km (0.107 R)
• M19: 32,359,067 km (0.054 R)
• M20: 32,699,402 km (0.083 R)
• M21: 34,085,276 km (0.093 R)
• M22: 40,020,871 km (0.111 R)
• M23: 48,363,496 km (0.057 R)
• M24: 51,382,829 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431

Radius: 5

Gravity: 17.24 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 7.85 AU - 10.29 AU

Year: 18855 Days

Day: 24.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,686,948 km

• M1: 62,382 km (0.063 R)
• M2: 304,581 km (0.096 R)
• M3: 684,560 km (0.073 R)
• M4: 1,150,258 km (0.072 R)
• M5: 1,308,533 km (0.049 R)
• M6: 1,466,658 km (0.103 R)
• M7: 1,686,267 km (0.049 R)
• M8: 2,292,288 km (0.096 R)
• M9: 3,471,419 km (0.12 R)
• M10: 3,863,365 km (0.088 R)
• M11: 4,570,664 km (0.116 R)
• M12: 4,903,669 km (0.084 R)
• M13: 5,288,434 km (0.109 R)
• M14: 5,543,648 km (0.093 R)
• M15: 7,118,615 km (0.107 R)
• M16: 9,332,962 km (0.081 R)
• M17: 9,759,915 km (0.083 R)
• M18: 12,535,554 km (0.104 R)
• M19: 12,989,434 km (0.107 R)
• M20: 13,253,773 km (0.071 R)
• M21: 15,946,086 km (0.12 R)
• M22: 17,181,315 km (0.089 R)
• M23: 20,190,925 km (0.118 R)
• M24: 25,029,968 km (0.032 R)
• M25: 25,957,175 km (0.079 R)
• M26: 27,879,807 km (0.098 R)
• M27: 32,852,889 km (0.116 R)
• M28: 33,343,570 km (0.039 R)
• M29: 34,339,443 km (0.075 R)
• M30: 39,341,846 km (0.065 R)
• M31: 48,668,526 km (0.029 R)
• M32: 50,434,828 km (0.053 R)
• M33: 55,122,926 km (0.12 R)
• M34: 56,338,857 km (0.105 R)
• M35: 57,928,185 km (0.107 R)
• M36: 58,644,011 km (0.092 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: 359 - 10,938 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit