🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672

Radius: 13.8

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.53 AU - 0.53 AU

Year: 262 Days

Day: 8.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,732,477 km

• M1: 171,738 km (0.065 R)
• M2: 744,399 km (0.105 R)
• M3: 1,247,048 km (0.098 R)
• M4: 1,850,077 km (0.079 R)
• M5: 2,295,729 km (0.103 R)
• M6: 3,256,297 km (0.083 R)
• M7: 3,846,610 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.1

Radius: 9.6

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.57 AU - 0.61 AU

Year: 307 Days

Day: 11.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,732,477 km

• M1: 119,379 km (0.058 R)
• M2: 477,816 km (0.116 R)
• M3: 792,719 km (0.095 R)
• M4: 1,130,362 km (0.089 R)
• M5: 1,494,932 km (0.096 R)
• M6: 2,014,934 km (0.09 R)
• M7: 2,476,593 km (0.082 R)
• M8: 2,925,835 km (0.048 R)
• M9: 3,361,464 km (0.093 R)
• M10: 4,102,422 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.9

Radius: 8.6

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.79 AU - 0.85 AU

Year: 504 Days

Day: 9.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,732,477 km

• M1: 106,962 km (0.108 R)
• M2: 423,960 km (0.068 R)
• M3: 809,773 km (0.113 R)
• M4: 1,206,806 km (0.03 R)
• M5: 1,624,034 km (0.067 R)
• M6: 1,900,491 km (0.119 R)
• M7: 2,675,109 km (0.092 R)
• M8: 4,139,523 km (0.082 R)
• M9: 4,462,804 km (0.079 R)
• M10: 5,093,957 km (0.096 R)
• M11: 5,765,352 km (0.089 R)
• M12: 6,131,867 km (0.053 R)
• M13: 6,631,524 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566

Radius: 11.5

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.94 AU - 1.34 AU

Year: 826 Days

Day: 5.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,732,477 km

• M1: 143,315 km (0.054 R)
• M2: 571,165 km (0.064 R)
• M3: 932,892 km (0.096 R)
• M4: 1,900,342 km (0.099 R)
• M5: 2,456,397 km (0.088 R)
• M6: 3,485,930 km (0.041 R)
• M7: 3,956,116 km (0.069 R)
• M8: 4,404,012 km (0.113 R)
• M9: 5,220,068 km (0.025 R)
• M10: 6,822,411 km (0.032 R)
• M11: 7,446,084 km (0.095 R)
• M12: 8,377,930 km (0.089 R)

Asteroid Belt

Center: 2.08 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.3

Radius: 13.5

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.75 AU - 3.27 AU

Year: 3542 Days

Day: 13.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,732,477 km

• M1: 167,849 km (0.108 R)
• M2: 630,405 km (0.032 R)
• M3: 1,096,852 km (0.038 R)
• M4: 2,287,501 km (0.085 R)
• M5: 2,950,369 km (0.05 R)
• M6: 3,421,303 km (0.083 R)
• M7: 4,095,541 km (0.079 R)
• M8: 4,663,564 km (0.068 R)
• M9: 5,859,001 km (0.054 R)
• M10: 6,502,122 km (0.072 R)
• M11: 6,994,149 km (0.109 R)
• M12: 7,423,046 km (0.116 R)
• M13: 8,397,228 km (0.062 R)
• M14: 10,052,079 km (0.109 R)
• M15: 14,088,828 km (0.064 R)
• M16: 15,056,427 km (0.055 R)
• M17: 16,365,109 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.1

Radius: 8.2

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.54 AU - 3.98 AU

Year: 3992 Days

Day: 10.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,732,477 km

• M1: 102,026 km (0.075 R)
• M2: 379,979 km (0.12 R)
• M3: 909,705 km (0.105 R)
• M4: 1,467,106 km (0.08 R)
• M5: 2,159,445 km (0.115 R)
• M6: 4,498,408 km (0.096 R)
• M7: 5,083,485 km (0.102 R)
• M8: 5,572,670 km (0.105 R)
• M9: 5,915,997 km (0.065 R)
• M10: 7,433,069 km (0.104 R)
• M11: 8,407,999 km (0.079 R)
• M12: 9,955,290 km (0.099 R)
• M13: 10,498,629 km (0.12 R)
• M14: 13,169,549 km (0.098 R)
• M15: 13,647,515 km (0.098 R)
• M16: 14,684,377 km (0.095 R)
• M17: 15,918,859 km (0.097 R)
• M18: 16,762,441 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.1

Radius: 10.9

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.59 AU - 4.13 AU

Year: 5144 Days

Day: 11.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,732,477 km

• M1: 135,536 km (0.049 R)
• M2: 1,673,252 km (0.066 R)
• M3: 4,474,024 km (0.053 R)
• M4: 5,015,867 km (0.11 R)
• M5: 5,507,894 km (0.118 R)
• M6: 6,382,743 km (0.077 R)
• M7: 8,043,429 km (0.084 R)
• M8: 8,407,400 km (0.077 R)
• M9: 8,877,886 km (0.066 R)
• M10: 9,837,406 km (0.092 R)
• M11: 10,938,148 km (0.103 R)
• M12: 12,198,061 km (0.087 R)
• M13: 12,598,385 km (0.032 R)
• M14: 13,007,385 km (0.113 R)
• M15: 13,425,362 km (0.113 R)
• M16: 14,778,026 km (0.089 R)
• M17: 15,838,974 km (0.042 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.2

Radius: 11.5

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.94 AU - 5 AU

Year: 6410 Days

Day: 6 Hours

Environment

Temp: -213 °C

Axial Tilt: 167.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,732,477 km

• M1: 143,016 km (0.105 R)
• M2: 788,530 km (0.092 R)
• M3: 1,220,270 km (0.058 R)
• M4: 2,077,017 km (0.059 R)
• M5: 3,040,726 km (0.104 R)
• M6: 3,767,473 km (0.093 R)
• M7: 4,136,531 km (0.119 R)
• M8: 5,984,962 km (0.092 R)
• M9: 6,887,187 km (0.101 R)
• M10: 7,767,421 km (0.119 R)
• M11: 8,880,578 km (0.045 R)
• M12: 10,362,196 km (0.118 R)
• M13: 12,501,445 km (0.051 R)
• M14: 13,223,105 km (0.111 R)
• M15: 17,318,497 km (0.116 R)
• M16: 18,215,635 km (0.103 R)
• M17: 20,949,536 km (0.062 R)
• M18: 22,414,249 km (0.036 R)
• M19: 23,248,407 km (0.09 R)
• M20: 23,634,369 km (0.08 R)
• M21: 28,429,729 km (0.108 R)
• M22: 28,871,192 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602

Radius: 4.1

Gravity: 35.81 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.09 AU - 8.13 AU

Year: 12859 Days

Day: 15.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,732,477 km

• M1: 61,036 km (0.061 R)
• M2: 312,809 km (0.043 R)
• M3: 668,852 km (0.079 R)
• M4: 1,015,321 km (0.116 R)
• M5: 1,415,345 km (0.087 R)
• M6: 2,164,083 km (0.101 R)
• M7: 4,608,662 km (0.09 R)
• M8: 5,026,638 km (0.097 R)
• M9: 6,124,836 km (0.054 R)
• M10: 7,119,811 km (0.103 R)
• M11: 7,633,680 km (0.079 R)
• M12: 10,688,768 km (0.117 R)
• M13: 11,418,955 km (0.093 R)
• M14: 14,946,772 km (0.081 R)
• M15: 18,575,867 km (0.098 R)
• M16: 19,382,349 km (0.09 R)
• M17: 19,628,886 km (0.104 R)
• M18: 20,296,242 km (0.107 R)
• M19: 22,660,188 km (0.108 R)
• M20: 23,117,359 km (0.11 R)
• M21: 23,673,863 km (0.045 R)
• M22: 24,429,631 km (0.078 R)
• M23: 25,299,094 km (0.04 R)
• M24: 30,286,987 km (0.034 R)
• M25: 33,715,471 km (0.061 R)
• M26: 34,913,301 km (0.12 R)
• M27: 37,393,783 km (0.09 R)
• M28: 39,198,232 km (0.062 R)
• M29: 39,460,777 km (0.116 R)
• M30: 42,287,429 km (0.035 R)
• M31: 45,246,325 km (0.115 R)
• M32: 48,490,953 km (0.039 R)
• M33: 54,128,998 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.1

Radius: 6.1

Gravity: 12.26 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.7 AU - 9.76 AU

Year: 20585 Days

Day: 16.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,732,477 km

• M1: 83,326 km (0.119 R)
• M2: 299,645 km (0.092 R)
• M3: 720,463 km (0.081 R)
• M4: 1,070,822 km (0.115 R)
• M5: 1,320,800 km (0.111 R)
• M6: 1,513,781 km (0.119 R)
• M7: 3,051,797 km (0.119 R)
• M8: 3,420,256 km (0.09 R)
• M9: 4,027,773 km (0.1 R)
• M10: 5,380,287 km (0.095 R)
• M11: 6,966,474 km (0.116 R)
• M12: 8,035,650 km (0.12 R)
• M13: 9,978,328 km (0.087 R)
• M14: 12,149,441 km (0.05 R)
• M15: 13,971,095 km (0.058 R)
• M16: 14,544,055 km (0.095 R)
• M17: 15,132,573 km (0.079 R)
• M18: 15,508,213 km (0.097 R)
• M19: 21,068,915 km (0.084 R)
• M20: 21,537,456 km (0.108 R)
• M21: 26,072,216 km (0.108 R)
• M22: 34,715,981 km (0.028 R)
• M23: 36,836,232 km (0.046 R)
• M24: 38,066,076 km (0.039 R)
• M25: 39,464,367 km (0.078 R)
• M26: 42,511,526 km (0.114 R)
• M27: 46,181,910 km (0.118 R)
• M28: 48,580,113 km (0.083 R)
• M29: 51,904,926 km (0.032 R)
• M30: 52,245,560 km (0.1 R)
• M31: 53,276,290 km (0.101 R)
• M32: 53,622,908 km (0.065 R)
• M33: 54,320,632 km (0.081 R)
• M34: 58,634,287 km (0.103 R)
• M35: 60,685,423 km (0.088 R)
• M36: 62,206,983 km (0.088 R)
• M37: 62,783,982 km (0.094 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 10,766 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit