🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.4

Radius: 14.1

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.24 AU - 1.9 AU

Year: 1270 Days

Day: 8.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,190,282 km

• M1: 175,478 km (0.047 R)
• M2: 671,994 km (0.093 R)
• M3: 1,155,943 km (0.072 R)
• M4: 1,705,416 km (0.104 R)
• M5: 2,265,361 km (0.086 R)
• M6: 2,770,553 km (0.031 R)
• M7: 3,298,783 km (0.092 R)
• M8: 4,012,813 km (0.03 R)
• M9: 5,302,945 km (0.116 R)
• M10: 5,867,228 km (0.087 R)
• M11: 7,006,715 km (0.058 R)
• M12: 7,617,823 km (0.102 R)
• M13: 8,093,245 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.4

Radius: 11

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.2 AU - 3.34 AU

Year: 2977 Days

Day: 9.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,190,282 km

• M1: 145,110 km (0.056 R)
• M2: 501,751 km (0.064 R)
• M3: 1,072,168 km (0.085 R)
• M4: 1,831,976 km (0.065 R)
• M5: 2,836,675 km (0.1 R)
• M6: 3,902,560 km (0.057 R)
• M7: 5,145,419 km (0.05 R)
• M8: 5,897,447 km (0.09 R)
• M9: 6,508,405 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.5

Radius: 11.9

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.36 AU - 4.22 AU

Year: 4764 Days

Day: 13.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,190,282 km

• M1: 148,251 km (0.056 R)
• M2: 548,725 km (0.103 R)
• M3: 1,239,568 km (0.066 R)
• M4: 2,295,729 km (0.051 R)
• M5: 3,092,038 km (0.076 R)
• M6: 4,017,002 km (0.103 R)
• M7: 5,062,392 km (0.051 R)
• M8: 6,377,507 km (0.079 R)
• M9: 6,806,554 km (0.056 R)
• M10: 7,468,374 km (0.043 R)
• M11: 7,870,942 km (0.106 R)
• M12: 10,690,862 km (0.087 R)
• M13: 11,537,736 km (0.079 R)
• M14: 13,905,122 km (0.11 R)
• M15: 14,347,633 km (0.097 R)
• M16: 15,732,161 km (0.041 R)
• M17: 18,765,108 km (0.047 R)
• M18: 19,374,420 km (0.11 R)
• M19: 23,388,430 km (0.063 R)
• M20: 26,045,887 km (0.067 R)
• M21: 27,838,069 km (0.115 R)
• M22: 29,711,334 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.6

Radius: 12.4

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.09 AU - 4.51 AU

Year: 5757 Days

Day: 6.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,190,282 km

• M1: 154,235 km (0.074 R)
• M2: 698,323 km (0.064 R)
• M3: 1,433,896 km (0.057 R)
• M4: 1,997,281 km (0.07 R)
• M5: 3,235,952 km (0.057 R)
• M6: 3,634,181 km (0.101 R)
• M7: 4,043,930 km (0.059 R)
• M8: 4,553,610 km (0.091 R)
• M9: 5,385,673 km (0.1 R)
• M10: 6,116,608 km (0.114 R)
• M11: 8,251,968 km (0.085 R)
• M12: 11,395,917 km (0.085 R)
• M13: 15,421,596 km (0.107 R)
• M14: 20,182,099 km (0.116 R)
• M15: 23,450,962 km (0.073 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922

Radius: 7.2

Gravity: 17.79 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.33 AU - 8.01 AU

Year: 11123 Days

Day: 22.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,190,282 km

• M1: 92,900 km (0.078 R)
• M2: 330,761 km (0.115 R)
• M3: 607,367 km (0.101 R)
• M4: 1,636,451 km (0.112 R)
• M5: 1,930,860 km (0.11 R)
• M6: 3,009,610 km (0.111 R)
• M7: 3,885,655 km (0.089 R)
• M8: 4,382,769 km (0.101 R)
• M9: 4,726,545 km (0.098 R)
• M10: 5,088,123 km (0.12 R)
• M11: 6,560,764 km (0.054 R)
• M12: 7,792,403 km (0.111 R)
• M13: 8,157,721 km (0.045 R)
• M14: 9,271,926 km (0.101 R)
• M15: 14,889,775 km (0.096 R)
• M16: 16,546,123 km (0.058 R)
• M17: 19,296,629 km (0.094 R)
• M18: 20,050,303 km (0.113 R)
• M19: 21,349,860 km (0.115 R)
• M20: 28,806,566 km (0.105 R)
• M21: 31,250,846 km (0.113 R)
• M22: 33,470,280 km (0.116 R)
• M23: 34,192,538 km (0.117 R)
• M24: 39,809,041 km (0.064 R)
• M25: 41,579,083 km (0.05 R)
• M26: 42,273,665 km (0.077 R)
• M27: 42,553,713 km (0.07 R)
• M28: 45,421,953 km (0.073 R)
• M29: 49,962,098 km (0.055 R)
• M30: 52,664,434 km (0.099 R)
• M31: 55,295,412 km (0.079 R)
• M32: 56,813,232 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.2

Radius: 3.5

Gravity: 46.14 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 6.33 AU - 7.35 AU

Year: 11550 Days

Day: 24.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 58,190,282 km

• M1: 43,533 km (0.118 R)
• M2: 157,227 km (0.081 R)
• M3: 372,050 km (0.094 R)
• M4: 562,937 km (0.099 R)
• M5: 685,308 km (0.119 R)
• M6: 902,674 km (0.049 R)
• M7: 1,094,458 km (0.095 R)
• M8: 1,237,025 km (0.085 R)
• M9: 1,405,472 km (0.084 R)
• M10: 1,820,606 km (0.104 R)
• M11: 3,352,787 km (0.103 R)
• M12: 3,893,285 km (0.108 R)
• M13: 4,856,695 km (0.108 R)
• M14: 6,336,517 km (0.083 R)
• M15: 6,719,338 km (0.085 R)
• M16: 6,837,221 km (0.066 R)
• M17: 7,700,850 km (0.077 R)
• M18: 8,136,628 km (0.09 R)
• M19: 11,048,102 km (0.086 R)
• M20: 12,764,738 km (0.07 R)
• M21: 18,500,170 km (0.103 R)
• M22: 18,731,748 km (0.113 R)
• M23: 19,122,198 km (0.115 R)
• M24: 23,690,468 km (0.1 R)
• M25: 24,238,894 km (0.09 R)
• M26: 24,795,847 km (0.095 R)
• M27: 25,551,616 km (0.104 R)
• M28: 26,713,841 km (0.094 R)
• M29: 28,420,005 km (0.116 R)
• M30: 32,269,906 km (0.067 R)
• M31: 33,056,791 km (0.057 R)
• M32: 33,856,392 km (0.079 R)
• M33: 35,732,349 km (0.086 R)
• M34: 35,851,878 km (0.109 R)
• M35: 37,924,257 km (0.117 R)
• M36: 38,800,302 km (0.061 R)
• M37: 40,722,784 km (0.089 R)
• M38: 46,441,911 km (0.115 R)
• M39: 47,588,728 km (0.101 R)
• M40: 48,314,876 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.6

Radius: 7.9

Gravity: 13.31 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.52 AU - 8.64 AU

Year: 12164 Days

Day: 17.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,190,282 km

• M1: 98,286 km (0.099 R)
• M2: 369,058 km (0.08 R)
• M3: 1,006,794 km (0.087 R)
• M4: 1,307,485 km (0.104 R)
• M5: 1,881,193 km (0.109 R)
• M6: 2,284,210 km (0.097 R)
• M7: 2,569,942 km (0.077 R)
• M8: 3,091,440 km (0.099 R)
• M9: 3,627,599 km (0.1 R)
• M10: 4,785,935 km (0.039 R)
• M11: 7,542,126 km (0.06 R)
• M12: 11,384,398 km (0.063 R)
• M13: 12,039,936 km (0.091 R)
• M14: 12,470,030 km (0.084 R)
• M15: 13,231,184 km (0.034 R)
• M16: 13,822,095 km (0.114 R)
• M17: 15,340,514 km (0.083 R)
• M18: 15,846,154 km (0.069 R)
• M19: 19,702,040 km (0.102 R)
• M20: 20,733,517 km (0.077 R)
• M21: 21,620,333 km (0.073 R)
• M22: 25,022,637 km (0.113 R)
• M23: 27,479,334 km (0.098 R)
• M24: 29,645,660 km (0.106 R)
• M25: 31,574,575 km (0.117 R)
• M26: 34,438,028 km (0.114 R)
• M27: 35,180,034 km (0.076 R)
• M28: 41,783,284 km (0.028 R)
• M29: 42,768,984 km (0.086 R)
• M30: 56,858,710 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.1

Radius: 3.2

Gravity: 69.15 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.68 AU - 9.24 AU

Year: 13156 Days

Day: 19.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,190,282 km

• M1: 39,793 km (0.109 R)
• M2: 477,666 km (0.116 R)
• M3: 593,904 km (0.091 R)
• M4: 1,563,298 km (0.093 R)
• M5: 2,511,748 km (0.102 R)
• M6: 2,641,450 km (0.075 R)
• M7: 3,410,233 km (0.091 R)
• M8: 4,663,115 km (0.115 R)
• M9: 5,517,319 km (0.059 R)
• M10: 6,154,606 km (0.111 R)
• M11: 6,839,315 km (0.082 R)
• M12: 9,298,555 km (0.082 R)
• M13: 12,726,291 km (0.077 R)
• M14: 15,498,938 km (0.109 R)
• M15: 17,217,967 km (0.087 R)
• M16: 19,814,986 km (0.063 R)
• M17: 20,070,948 km (0.045 R)
• M18: 25,066,021 km (0.09 R)
• M19: 25,465,896 km (0.086 R)
• M20: 28,493,009 km (0.107 R)
• M21: 28,819,282 km (0.105 R)
• M22: 30,374,651 km (0.106 R)
• M23: 30,601,292 km (0.103 R)
• M24: 38,332,061 km (0.103 R)
• M25: 41,172,476 km (0.117 R)
• M26: 42,290,420 km (0.096 R)
• M27: 44,149,922 km (0.099 R)
• M28: 44,295,182 km (0.066 R)
• M29: 45,914,130 km (0.119 R)
• M30: 49,582,419 km (0.112 R)
• M31: 54,103,117 km (0.077 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 14,030 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit