🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.08 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.1

Radius: 15

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.02 AU - 2.28 AU

Year: 2138 Days

Day: 8 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,794,197 km

• M1: 202,556 km (0.067 R)
• M2: 735,274 km (0.028 R)
• M3: 1,254,079 km (0.078 R)
• M4: 1,783,057 km (0.051 R)
• M5: 2,268,502 km (0.106 R)
• M6: 2,769,954 km (0.084 R)
• M7: 4,194,126 km (0.078 R)
• M8: 4,764,842 km (0.11 R)
• M9: 5,551,278 km (0.098 R)
• M10: 6,293,134 km (0.074 R)
• M11: 7,072,239 km (0.108 R)
• M12: 12,336,439 km (0.073 R)
• M13: 12,959,065 km (0.073 R)
• M14: 13,515,569 km (0.115 R)
• M15: 14,584,895 km (0.066 R)
• M16: 15,854,682 km (0.1 R)
• M17: 16,541,485 km (0.08 R)
• M18: 17,044,134 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515

Radius: 9.4

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.45 AU - 3.07 AU

Year: 3110 Days

Day: 5.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,794,197 km

• M1: 118,332 km (0.115 R)
• M2: 454,478 km (0.109 R)
• M3: 1,108,071 km (0.099 R)
• M4: 1,611,618 km (0.1 R)
• M5: 2,817,825 km (0.111 R)
• M6: 3,283,823 km (0.049 R)
• M7: 4,698,420 km (0.078 R)
• M8: 5,861,245 km (0.037 R)
• M9: 6,343,399 km (0.04 R)
• M10: 7,387,143 km (0.1 R)
• M11: 8,111,496 km (0.116 R)
• M12: 8,541,590 km (0.077 R)
• M13: 9,197,277 km (0.092 R)
• M14: 10,186,418 km (0.12 R)
• M15: 10,726,317 km (0.079 R)
• M16: 11,285,364 km (0.12 R)
• M17: 11,738,047 km (0.08 R)
• M18: 12,117,428 km (0.029 R)
• M19: 15,655,417 km (0.047 R)
• M20: 18,551,931 km (0.042 R)
• M21: 19,533,144 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.8

Radius: 13.2

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.25 AU - 3.33 AU

Year: 3161 Days

Day: 14.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,794,197 km

• M1: 164,258 km (0.056 R)
• M2: 608,115 km (0.104 R)
• M3: 1,886,878 km (0.107 R)
• M4: 2,546,305 km (0.082 R)
• M5: 3,191,671 km (0.043 R)
• M6: 3,975,414 km (0.06 R)
• M7: 4,688,397 km (0.119 R)
• M8: 5,743,212 km (0.093 R)
• M9: 6,723,078 km (0.034 R)
• M10: 7,861,518 km (0.106 R)
• M11: 8,877,886 km (0.063 R)
• M12: 9,631,560 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.4

Radius: 11.5

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.9 AU - 4.8 AU

Year: 6154 Days

Day: 7 Hours

Environment

Temp: -211 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,794,197 km

• M1: 152,739 km (0.114 R)
• M2: 578,495 km (0.109 R)
• M3: 1,123,929 km (0.065 R)
• M4: 2,026,154 km (0.03 R)
• M5: 2,736,893 km (0.112 R)
• M6: 3,124,501 km (0.083 R)
• M7: 5,569,080 km (0.104 R)
• M8: 7,400,158 km (0.05 R)
• M9: 7,923,002 km (0.12 R)
• M10: 9,717,578 km (0.083 R)
• M11: 11,294,639 km (0.119 R)
• M12: 13,224,153 km (0.08 R)
• M13: 15,627,442 km (0.049 R)
• M14: 19,205,524 km (0.108 R)
• M15: 19,944,239 km (0.115 R)
• M16: 20,320,627 km (0.077 R)
• M17: 21,152,391 km (0.087 R)
• M18: 21,543,739 km (0.027 R)
• M19: 22,747,254 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.6

Radius: 9.9

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.92 AU - 5.22 AU

Year: 6626 Days

Day: 5.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 129 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,794,197 km

• M1: 123,119 km (0.098 R)
• M2: 476,170 km (0.057 R)
• M3: 858,243 km (0.094 R)
• M4: 1,264,850 km (0.062 R)
• M5: 1,636,302 km (0.1 R)
• M6: 2,049,491 km (0.071 R)
• M7: 2,907,584 km (0.081 R)
• M8: 3,748,923 km (0.114 R)
• M9: 6,469,958 km (0.12 R)
• M10: 7,031,698 km (0.044 R)
• M11: 7,702,196 km (0.07 R)
• M12: 10,201,677 km (0.06 R)
• M13: 15,907,190 km (0.101 R)
• M14: 16,541,934 km (0.056 R)
• M15: 18,134,104 km (0.032 R)
• M16: 18,617,006 km (0.085 R)
• M17: 19,179,644 km (0.096 R)
• M18: 19,825,907 km (0.073 R)
• M19: 21,238,111 km (0.079 R)
• M20: 22,007,642 km (0.092 R)
• M21: 24,763,833 km (0.118 R)
• M22: 26,488,397 km (0.067 R)
• M23: 29,696,524 km (0.06 R)
• M24: 30,079,045 km (0.078 R)
• M25: 30,464,709 km (0.077 R)
• M26: 35,354,166 km (0.111 R)
• M27: 35,676,100 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.3

Radius: 14.2

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.41 AU - 6.51 AU

Year: 8653 Days

Day: 9.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,794,197 km

• M1: 176,675 km (0.084 R)
• M2: 742,005 km (0.036 R)
• M3: 1,443,919 km (0.088 R)
• M4: 1,895,405 km (0.119 R)
• M5: 2,568,745 km (0.026 R)
• M6: 3,075,583 km (0.065 R)
• M7: 3,696,414 km (0.039 R)
• M8: 4,164,655 km (0.095 R)
• M9: 5,404,373 km (0.027 R)
• M10: 8,689,093 km (0.119 R)
• M11: 9,660,133 km (0.078 R)
• M12: 10,124,933 km (0.077 R)
• M13: 11,301,970 km (0.072 R)
• M14: 14,103,638 km (0.114 R)
• M15: 14,703,077 km (0.071 R)
• M16: 15,824,762 km (0.092 R)
• M17: 16,802,534 km (0.102 R)
• M18: 20,658,419 km (0.107 R)
• M19: 29,387,604 km (0.102 R)
• M20: 29,874,545 km (0.112 R)
• M21: 30,664,721 km (0.059 R)
• M22: 33,646,356 km (0.111 R)
• M23: 37,839,136 km (0.115 R)
• M24: 38,764,399 km (0.041 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.2

Radius: 4.5

Gravity: 30.48 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.53 AU - 7.65 AU

Year: 11474 Days

Day: 18.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,794,197 km

• M1: 56,249 km (0.081 R)
• M2: 220,208 km (0.114 R)
• M3: 382,073 km (0.042 R)
• M4: 566,677 km (0.085 R)
• M5: 722,109 km (0.117 R)
• M6: 1,410,858 km (0.091 R)
• M7: 1,978,581 km (0.111 R)
• M8: 2,304,406 km (0.105 R)
• M9: 3,227,424 km (0.115 R)
• M10: 3,447,932 km (0.113 R)
• M11: 4,432,585 km (0.12 R)
• M12: 4,613,299 km (0.066 R)
• M13: 4,767,684 km (0.056 R)
• M14: 5,522,405 km (0.096 R)
• M15: 7,773,853 km (0.092 R)
• M16: 9,442,468 km (0.087 R)
• M17: 9,641,433 km (0.081 R)
• M18: 9,792,527 km (0.109 R)
• M19: 10,307,592 km (0.097 R)
• M20: 11,224,328 km (0.107 R)
• M21: 13,095,199 km (0.112 R)
• M22: 17,515,517 km (0.081 R)
• M23: 20,845,566 km (0.107 R)
• M24: 21,353,301 km (0.112 R)
• M25: 23,285,507 km (0.057 R)
• M26: 23,557,775 km (0.112 R)
• M27: 25,909,454 km (0.103 R)
• M28: 32,632,980 km (0.053 R)
• M29: 35,666,975 km (0.027 R)
• M30: 36,028,702 km (0.06 R)
• M31: 38,503,051 km (0.096 R)
• M32: 44,758,785 km (0.093 R)
• M33: 46,601,532 km (0.051 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680.5

Radius: 5.6

Gravity: 21.7 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 7.35 AU - 8.69 AU

Year: 15405 Days

Day: 15.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 63,794,197 km

• M1: 70,610 km (0.109 R)
• M2: 272,119 km (0.09 R)
• M3: 493,075 km (0.088 R)
• M4: 1,409,362 km (0.07 R)
• M5: 1,591,871 km (0.108 R)
• M6: 1,949,709 km (0.116 R)
• M7: 3,245,376 km (0.079 R)
• M8: 4,996,120 km (0.111 R)
• M9: 6,643,641 km (0.113 R)
• M10: 7,294,691 km (0.092 R)
• M11: 7,521,033 km (0.11 R)
• M12: 8,926,804 km (0.093 R)
• M13: 10,159,790 km (0.096 R)
• M14: 11,141,152 km (0.075 R)
• M15: 11,320,819 km (0.118 R)
• M16: 14,392,063 km (0.115 R)
• M17: 16,003,831 km (0.112 R)
• M18: 16,931,786 km (0.09 R)
• M19: 17,650,903 km (0.069 R)
• M20: 17,977,027 km (0.116 R)
• M21: 19,930,476 km (0.111 R)
• M22: 22,973,895 km (0.113 R)
• M23: 24,353,636 km (0.062 R)
• M24: 25,892,399 km (0.03 R)
• M25: 26,632,161 km (0.107 R)
• M26: 26,846,086 km (0.112 R)
• M27: 29,389,250 km (0.109 R)
• M28: 30,194,086 km (0.098 R)
• M29: 32,819,080 km (0.062 R)
• M30: 35,076,961 km (0.076 R)
• M31: 36,770,558 km (0.08 R)
• M32: 43,496,179 km (0.05 R)
• M33: 44,240,578 km (0.048 R)
• M34: 46,679,921 km (0.099 R)
• M35: 50,504,690 km (0.107 R)
• M36: 53,506,670 km (0.076 R)
• M37: 58,770,571 km (0.091 R)
• M38: 63,032,614 km (0.067 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 13,179 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit