🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.8

Radius: 14.4

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.81 AU - 0.89 AU

Year: 514 Days

Day: 5.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,843,554 km

• M1: 179,069 km (0.093 R)
• M2: 722,109 km (0.095 R)
• M3: 1,201,420 km (0.085 R)
• M4: 1,704,069 km (0.086 R)
• M5: 2,329,837 km (0.075 R)
• M6: 3,083,661 km (0.098 R)
• M7: 3,748,773 km (0.114 R)
• M8: 5,015,269 km (0.108 R)
• M9: 6,953,907 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.3

Radius: 14

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.04 AU - 2.1 AU

Year: 1954 Days

Day: 10.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,843,554 km

• M1: 175,030 km (0.071 R)
• M2: 794,963 km (0.109 R)
• M3: 1,413,550 km (0.105 R)
• M4: 1,943,276 km (0.112 R)
• M5: 2,633,970 km (0.116 R)
• M6: 3,149,783 km (0.049 R)
• M7: 4,961,713 km (0.087 R)
• M8: 5,657,941 km (0.085 R)
• M9: 6,659,798 km (0.107 R)
• M10: 7,304,266 km (0.114 R)
• M11: 9,149,256 km (0.098 R)
• M12: 10,271,390 km (0.102 R)
• M13: 11,056,330 km (0.094 R)
• M14: 13,346,224 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.6

Radius: 14.3

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.26 AU - 3.06 AU

Year: 2846 Days

Day: 12.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,843,554 km

• M1: 180,415 km (0.08 R)
• M2: 705,653 km (0.102 R)
• M3: 1,745,059 km (0.117 R)
• M4: 2,412,565 km (0.087 R)
• M5: 3,231,015 km (0.067 R)
• M6: 3,827,910 km (0.065 R)
• M7: 4,924,313 km (0.109 R)
• M8: 6,196,194 km (0.092 R)
• M9: 7,368,892 km (0.1 R)
• M10: 12,957,420 km (0.118 R)
• M11: 13,869,967 km (0.107 R)
• M12: 14,385,481 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.4

Radius: 9.7

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.42 AU - 5.04 AU

Year: 6748 Days

Day: 11.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,843,554 km

• M1: 121,025 km (0.115 R)
• M2: 508,184 km (0.099 R)
• M3: 1,440,029 km (0.108 R)
• M4: 2,220,930 km (0.093 R)
• M5: 3,220,992 km (0.037 R)
• M6: 4,395,784 km (0.076 R)
• M7: 5,536,468 km (0.04 R)
• M8: 8,276,203 km (0.082 R)
• M9: 9,071,465 km (0.086 R)
• M10: 12,664,956 km (0.108 R)
• M11: 14,158,242 km (0.034 R)
• M12: 17,427,105 km (0.104 R)
• M13: 20,951,032 km (0.081 R)
• M14: 23,418,200 km (0.095 R)
• M15: 29,371,298 km (0.069 R)
• M16: 31,402,687 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.3

Radius: 6.3

Gravity: 14.24 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.28 AU - 9.32 AU

Year: 14291 Days

Day: 24 Hours

Environment

Temp: -236 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,843,554 km

• M1: 79,137 km (0.064 R)
• M2: 383,569 km (0.087 R)
• M3: 636,689 km (0.071 R)
• M4: 1,369,419 km (0.091 R)
• M5: 1,726,509 km (0.089 R)
• M6: 2,277,927 km (0.04 R)
• M7: 2,758,286 km (0.106 R)
• M8: 3,483,386 km (0.091 R)
• M9: 4,091,203 km (0.079 R)
• M10: 6,144,733 km (0.115 R)
• M11: 6,417,599 km (0.117 R)
• M12: 7,904,452 km (0.054 R)
• M13: 11,250,358 km (0.081 R)
• M14: 12,630,249 km (0.11 R)
• M15: 13,523,498 km (0.102 R)
• M16: 17,134,342 km (0.08 R)
• M17: 18,629,273 km (0.088 R)
• M18: 19,283,914 km (0.038 R)
• M19: 19,700,843 km (0.102 R)
• M20: 20,987,684 km (0.059 R)
• M21: 22,147,366 km (0.114 R)
• M22: 26,084,334 km (0.064 R)
• M23: 26,800,010 km (0.045 R)
• M24: 29,134,634 km (0.063 R)
• M25: 31,257,129 km (0.094 R)
• M26: 36,310,694 km (0.055 R)
• M27: 38,765,446 km (0.112 R)
• M28: 39,831,480 km (0.081 R)
• M29: 42,722,310 km (0.069 R)
• M30: 44,146,780 km (0.041 R)
• M31: 46,790,324 km (0.059 R)
• M32: 48,610,033 km (0.096 R)
• M33: 49,692,972 km (0.09 R)
• M34: 51,427,260 km (0.104 R)
• M35: 54,186,294 km (0.07 R)
• M36: 56,531,240 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.1

Radius: 5.3

Gravity: 21.22 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 7.44 AU - 11.86 AU

Year: 19665 Days

Day: 21 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 69,843,554 km

• M1: 65,973 km (0.111 R)
• M2: 749,635 km (0.104 R)
• M3: 1,045,689 km (0.086 R)
• M4: 1,744,760 km (0.087 R)
• M5: 2,142,391 km (0.062 R)
• M6: 2,552,289 km (0.04 R)
• M7: 2,812,590 km (0.118 R)
• M8: 3,555,642 km (0.06 R)
• M9: 4,257,705 km (0.113 R)
• M10: 5,613,959 km (0.109 R)
• M11: 6,781,421 km (0.093 R)
• M12: 9,418,532 km (0.091 R)
• M13: 10,629,527 km (0.075 R)
• M14: 12,736,613 km (0.097 R)
• M15: 16,116,029 km (0.111 R)
• M16: 17,925,116 km (0.097 R)
• M17: 19,055,478 km (0.1 R)
• M18: 20,417,865 km (0.081 R)
• M19: 22,136,895 km (0.079 R)
• M20: 22,631,016 km (0.044 R)
• M21: 29,146,752 km (0.047 R)
• M22: 29,620,827 km (0.091 R)
• M23: 31,444,724 km (0.056 R)
• M24: 33,471,327 km (0.106 R)
• M25: 36,261,028 km (0.041 R)
• M26: 36,947,383 km (0.092 R)
• M27: 38,772,477 km (0.04 R)
• M28: 39,779,570 km (0.106 R)
• M29: 42,298,050 km (0.085 R)
• M30: 44,920,800 km (0.076 R)
• M31: 51,688,009 km (0.077 R)
• M32: 58,538,395 km (0.076 R)
• M33: 59,292,966 km (0.116 R)
• M34: 60,436,792 km (0.091 R)
• M35: 60,628,875 km (0.076 R)
• M36: 62,965,445 km (0.068 R)
• M37: 67,197,568 km (0.093 R)
• M38: 68,440,727 km (0.106 R)
• M39: 71,400,969 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.3

Radius: 6.7

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 9.37 AU - 11.11 AU

Year: 21496 Days

Day: 22.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 69,843,554 km

• M1: 83,326 km (0.071 R)
• M2: 460,013 km (0.117 R)
• M3: 730,486 km (0.109 R)
• M4: 1,435,092 km (0.083 R)
• M5: 2,106,637 km (0.085 R)
• M6: 2,350,931 km (0.079 R)
• M7: 4,050,512 km (0.096 R)
• M8: 4,301,088 km (0.085 R)
• M9: 4,730,285 km (0.057 R)
• M10: 6,481,029 km (0.06 R)
• M11: 7,928,089 km (0.094 R)
• M12: 8,522,441 km (0.114 R)
• M13: 10,367,581 km (0.096 R)
• M14: 10,957,446 km (0.105 R)
• M15: 15,273,344 km (0.114 R)
• M16: 20,419,661 km (0.119 R)
• M17: 20,786,624 km (0.079 R)
• M18: 22,009,587 km (0.118 R)
• M19: 22,395,400 km (0.118 R)
• M20: 23,983,830 km (0.089 R)
• M21: 27,051,783 km (0.094 R)
• M22: 27,383,292 km (0.116 R)
• M23: 31,576,520 km (0.115 R)
• M24: 35,250,644 km (0.065 R)
• M25: 36,044,859 km (0.092 R)
• M26: 36,715,805 km (0.083 R)
• M27: 40,627,640 km (0.087 R)
• M28: 40,917,112 km (0.105 R)
• M29: 41,354,237 km (0.06 R)
• M30: 43,737,481 km (0.104 R)
• M31: 49,761,637 km (0.099 R)
• M32: 54,362,969 km (0.108 R)
• M33: 54,714,673 km (0.036 R)
• M34: 61,879,962 km (0.116 R)
• M35: 63,035,008 km (0.102 R)
• M36: 65,785,813 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392

Radius: 6.6

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 9.88 AU - 11.7 AU

Year: 23251 Days

Day: 16.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,843,554 km

• M1: 169,943 km (0.103 R)
• M2: 437,125 km (0.08 R)
• M3: 835,055 km (0.074 R)
• M4: 1,252,433 km (0.096 R)
• M5: 1,818,961 km (0.09 R)
• M6: 2,140,297 km (0.119 R)
• M7: 3,474,411 km (0.032 R)
• M8: 4,188,441 km (0.042 R)
• M9: 5,590,024 km (0.117 R)
• M10: 5,943,972 km (0.097 R)
• M11: 6,312,731 km (0.086 R)
• M12: 6,524,262 km (0.094 R)
• M13: 7,558,582 km (0.085 R)
• M14: 9,445,310 km (0.033 R)
• M15: 11,943,744 km (0.117 R)
• M16: 15,150,524 km (0.089 R)
• M17: 15,838,824 km (0.084 R)
• M18: 17,776,117 km (0.115 R)
• M19: 18,113,609 km (0.114 R)
• M20: 22,406,619 km (0.078 R)
• M21: 26,120,387 km (0.032 R)
• M22: 27,556,377 km (0.09 R)
• M23: 28,580,972 km (0.109 R)
• M24: 29,630,551 km (0.06 R)
• M25: 31,930,469 km (0.118 R)
• M26: 32,429,378 km (0.101 R)
• M27: 37,431,482 km (0.065 R)
• M28: 43,684,822 km (0.071 R)
• M29: 50,263,089 km (0.095 R)
• M30: 58,024,825 km (0.092 R)
• M31: 60,462,223 km (0.091 R)
• M32: 65,741,083 km (0.049 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 362 - 19,562 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit