🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.8

Radius: 14.1

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.52 AU - 0.52 AU

Year: 259 Days

Day: 10.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,007,035 km

• M1: 175,777 km (0.077 R)
• M2: 765,792 km (0.12 R)
• M3: 1,252,433 km (0.064 R)
• M4: 1,703,172 km (0.034 R)
• M5: 2,257,282 km (0.1 R)
• M6: 2,773,545 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.6

Radius: 14.5

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.53 AU - 0.65 AU

Year: 313 Days

Day: 7.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 168.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,007,035 km

• M1: 180,415 km (0.08 R)
• M2: 956,978 km (0.086 R)
• M3: 1,492,987 km (0.12 R)
• M4: 2,026,303 km (0.107 R)
• M5: 2,595,074 km (0.115 R)
• M6: 3,132,430 km (0.083 R)
• M7: 3,615,631 km (0.035 R)
• M8: 4,408,350 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.1

Radius: 10.2

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.37 AU - 1.79 AU

Year: 1371 Days

Day: 10.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,007,035 km

• M1: 128,205 km (0.106 R)
• M2: 454,927 km (0.083 R)
• M3: 816,056 km (0.089 R)
• M4: 1,162,375 km (0.079 R)
• M5: 1,541,756 km (0.093 R)
• M6: 1,878,052 km (0.079 R)
• M7: 2,307,248 km (0.052 R)
• M8: 2,739,137 km (0.119 R)
• M9: 3,114,777 km (0.109 R)
• M10: 3,891,489 km (0.081 R)
• M11: 4,249,776 km (0.057 R)
• M12: 4,665,808 km (0.061 R)
• M13: 5,127,916 km (0.058 R)
• M14: 5,600,196 km (0.039 R)
• M15: 6,187,667 km (0.096 R)
• M16: 6,746,415 km (0.096 R)
• M17: 8,518,402 km (0.11 R)
• M18: 9,040,947 km (0.059 R)
• M19: 9,584,885 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.9

Radius: 12.7

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.79 AU - 1.83 AU

Year: 1681 Days

Day: 11.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,007,035 km

• M1: 157,975 km (0.077 R)
• M2: 737,667 km (0.096 R)
• M3: 1,554,023 km (0.115 R)
• M4: 2,186,223 km (0.112 R)
• M5: 2,765,167 km (0.071 R)
• M6: 3,233,109 km (0.039 R)
• M7: 3,648,842 km (0.083 R)
• M8: 4,428,995 km (0.079 R)
• M9: 6,448,566 km (0.092 R)
• M10: 6,976,198 km (0.115 R)
• M11: 7,532,552 km (0.066 R)
• M12: 10,025,451 km (0.117 R)
• M13: 10,590,482 km (0.082 R)
• M14: 11,440,048 km (0.062 R)
• M15: 12,334,344 km (0.104 R)
• M16: 12,901,320 km (0.078 R)
• M17: 15,764,324 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.5

Radius: 11.5

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.61 AU - 3.11 AU

Year: 3339 Days

Day: 9.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,007,035 km

• M1: 143,016 km (0.116 R)
• M2: 536,009 km (0.107 R)
• M3: 1,912,310 km (0.097 R)
• M4: 2,611,231 km (0.081 R)
• M5: 3,072,890 km (0.093 R)
• M6: 3,786,771 km (0.112 R)
• M7: 6,170,463 km (0.047 R)
• M8: 7,693,818 km (0.1 R)
• M9: 8,438,217 km (0.087 R)
• M10: 9,836,509 km (0.079 R)
• M11: 10,920,046 km (0.119 R)
• M12: 12,761,297 km (0.082 R)
• M13: 13,658,884 km (0.11 R)
• M14: 14,446,966 km (0.09 R)
• M15: 17,732,284 km (0.104 R)
• M16: 18,255,727 km (0.119 R)
• M17: 18,849,631 km (0.066 R)
• M18: 22,014,075 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.6

Radius: 15

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.73 AU - 3.55 AU

Year: 3841 Days

Day: 5.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,007,035 km

• M1: 186,698 km (0.088 R)
• M2: 952,190 km (0.075 R)
• M3: 1,462,319 km (0.116 R)
• M4: 2,119,353 km (0.095 R)
• M5: 2,803,165 km (0.119 R)
• M6: 3,363,409 km (0.042 R)
• M7: 5,406,766 km (0.1 R)
• M8: 5,999,323 km (0.094 R)
• M9: 6,605,045 km (0.099 R)
• M10: 7,156,762 km (0.048 R)
• M11: 8,283,234 km (0.081 R)
• M12: 9,222,110 km (0.111 R)
• M13: 9,912,953 km (0.067 R)
• M14: 10,971,657 km (0.106 R)
• M15: 12,422,458 km (0.12 R)
• M16: 15,973,163 km (0.054 R)
• M17: 16,633,937 km (0.097 R)
• M18: 17,892,803 km (0.112 R)
• M19: 20,793,805 km (0.111 R)
• M20: 21,849,218 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.9

Radius: 14.7

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.24 AU - 4.8 AU

Year: 6633 Days

Day: 5.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,007,035 km

• M1: 182,809 km (0.087 R)
• M2: 652,097 km (0.067 R)
• M3: 1,251,985 km (0.053 R)
• M4: 1,837,211 km (0.105 R)
• M5: 2,390,125 km (0.076 R)
• M6: 4,616,889 km (0.114 R)
• M7: 5,879,944 km (0.098 R)
• M8: 7,515,947 km (0.12 R)
• M9: 10,417,697 km (0.079 R)
• M10: 11,412,223 km (0.103 R)
• M11: 12,145,552 km (0.064 R)
• M12: 15,460,491 km (0.096 R)
• M13: 18,330,676 km (0.111 R)
• M14: 19,484,075 km (0.089 R)
• M15: 21,697,376 km (0.115 R)
• M16: 23,820,170 km (0.11 R)
• M17: 25,633,296 km (0.119 R)
• M18: 28,286,115 km (0.12 R)
• M19: 34,454,933 km (0.118 R)
• M20: 35,435,098 km (0.103 R)
• M21: 37,909,447 km (0.066 R)
• M22: 38,603,731 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.8

Radius: 6.4

Gravity: 21.72 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.9 AU - 6.22 AU

Year: 9049 Days

Day: 21.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,007,035 km

• M1: 83,176 km (0.117 R)
• M2: 430,842 km (0.086 R)
• M3: 928,404 km (0.12 R)
• M4: 1,222,364 km (0.053 R)
• M5: 1,621,043 km (0.106 R)
• M6: 2,474,648 km (0.068 R)
• M7: 3,206,032 km (0.112 R)
• M8: 3,621,914 km (0.108 R)
• M9: 6,076,815 km (0.09 R)
• M10: 6,752,249 km (0.108 R)
• M11: 8,385,858 km (0.055 R)
• M12: 10,421,885 km (0.053 R)
• M13: 11,498,392 km (0.068 R)
• M14: 12,294,701 km (0.086 R)
• M15: 12,706,394 km (0.068 R)
• M16: 14,970,558 km (0.085 R)
• M17: 17,343,330 km (0.098 R)
• M18: 17,861,238 km (0.068 R)
• M19: 19,875,274 km (0.087 R)
• M20: 23,801,171 km (0.112 R)
• M21: 24,440,552 km (0.107 R)
• M22: 25,279,497 km (0.096 R)
• M23: 26,720,124 km (0.084 R)
• M24: 32,248,364 km (0.04 R)
• M25: 32,694,016 km (0.11 R)
• M26: 33,597,887 km (0.075 R)
• M27: 38,617,793 km (0.094 R)
• M28: 40,396,212 km (0.032 R)
• M29: 41,436,665 km (0.12 R)
• M30: 42,628,212 km (0.03 R)
• M31: 45,917,421 km (0.07 R)
• M32: 47,623,734 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.7

Radius: 6.7

Gravity: 15.25 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.23 AU - 6.35 AU

Year: 9617 Days

Day: 15.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 60,007,035 km

• M1: 83,326 km (0.078 R)
• M2: 296,503 km (0.118 R)
• M3: 735,722 km (0.086 R)
• M4: 1,052,720 km (0.034 R)
• M5: 1,367,175 km (0.101 R)
• M6: 2,580,862 km (0.109 R)
• M7: 3,342,914 km (0.079 R)
• M8: 4,830,515 km (0.064 R)
• M9: 6,866,542 km (0.076 R)
• M10: 7,141,054 km (0.097 R)
• M11: 9,802,849 km (0.07 R)
• M12: 10,100,848 km (0.081 R)
• M13: 12,474,518 km (0.064 R)
• M14: 15,528,708 km (0.077 R)
• M15: 16,002,185 km (0.101 R)
• M16: 16,624,961 km (0.1 R)
• M17: 17,480,511 km (0.118 R)
• M18: 18,818,215 km (0.088 R)
• M19: 20,142,904 km (0.07 R)
• M20: 20,544,126 km (0.033 R)
• M21: 21,196,971 km (0.109 R)
• M22: 22,287,390 km (0.066 R)
• M23: 23,947,777 km (0.094 R)
• M24: 25,222,650 km (0.071 R)
• M25: 30,459,772 km (0.111 R)
• M26: 31,308,441 km (0.111 R)
• M27: 31,738,684 km (0.111 R)
• M28: 32,501,035 km (0.108 R)
• M29: 38,797,011 km (0.107 R)
• M30: 40,425,533 km (0.051 R)
• M31: 41,968,635 km (0.073 R)
• M32: 45,446,337 km (0.12 R)
• M33: 45,721,448 km (0.045 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.3

Radius: 7.8

Gravity: 15.98 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.86 AU - 7.38 AU

Year: 11757 Days

Day: 18.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,007,035 km

• M1: 97,089 km (0.092 R)
• M2: 534,364 km (0.095 R)
• M3: 788,530 km (0.041 R)
• M4: 1,763,609 km (0.106 R)
• M5: 2,535,834 km (0.116 R)
• M6: 2,800,023 km (0.12 R)
• M7: 3,358,472 km (0.118 R)
• M8: 4,047,370 km (0.068 R)
• M9: 5,062,392 km (0.088 R)
• M10: 7,630,838 km (0.101 R)
• M11: 8,185,247 km (0.058 R)
• M12: 10,173,702 km (0.096 R)
• M13: 11,250,358 km (0.093 R)
• M14: 12,401,215 km (0.057 R)
• M15: 15,509,410 km (0.103 R)
• M16: 20,646,152 km (0.113 R)
• M17: 26,813,474 km (0.113 R)
• M18: 32,409,631 km (0.103 R)
• M19: 37,411,136 km (0.109 R)
• M20: 37,805,775 km (0.107 R)
• M21: 48,597,616 km (0.103 R)
• M22: 49,857,380 km (0.119 R)
• M23: 52,770,948 km (0.114 R)
• M24: 59,112,851 km (0.099 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 11,883 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit