🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.3

Radius: 14.8

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.48 AU - 0.6 AU

Year: 265 Days

Day: 11.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,563,698 km

• M1: 184,155 km (0.105 R)
• M2: 645,515 km (0.064 R)
• M3: 1,116,000 km (0.094 R)
• M4: 1,909,318 km (0.11 R)
• M5: 2,499,780 km (0.106 R)
• M6: 3,440,302 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.4

Radius: 9.1

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.54 AU - 0.88 AU

Year: 399 Days

Day: 14.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,563,698 km

• M1: 113,246 km (0.112 R)
• M2: 568,472 km (0.047 R)
• M3: 898,485 km (0.104 R)
• M4: 1,227,750 km (0.089 R)
• M5: 2,278,675 km (0.076 R)
• M6: 2,561,864 km (0.104 R)
• M7: 2,877,515 km (0.081 R)
• M8: 3,385,250 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167

Radius: 15

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.83 AU - 1.23 AU

Year: 697 Days

Day: 6.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,563,698 km

• M1: 189,391 km (0.085 R)
• M2: 812,017 km (0.088 R)
• M3: 1,379,292 km (0.057 R)
• M4: 2,048,294 km (0.106 R)
• M5: 2,850,737 km (0.052 R)
• M6: 3,538,438 km (0.026 R)
• M7: 4,205,495 km (0.11 R)
• M8: 5,071,817 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948

Radius: 13

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.88 AU - 1.32 AU

Year: 769 Days

Day: 10.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,563,698 km

• M1: 161,715 km (0.106 R)
• M2: 583,132 km (0.107 R)
• M3: 987,645 km (0.068 R)
• M4: 1,666,071 km (0.069 R)
• M5: 2,122,794 km (0.043 R)
• M6: 2,831,439 km (0.099 R)
• M7: 3,337,379 km (0.087 R)
• M8: 4,153,734 km (0.104 R)
• M9: 4,618,385 km (0.114 R)
• M10: 5,792,729 km (0.041 R)
• M11: 6,225,815 km (0.114 R)
• M12: 7,321,170 km (0.07 R)
• M13: 8,307,319 km (0.05 R)
• M14: 8,913,490 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.6

Radius: 8.3

Gravity: 10.1 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.1 AU - 1.46 AU

Year: 966 Days

Day: 7.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,563,698 km

• M1: 103,223 km (0.083 R)
• M2: 402,269 km (0.091 R)
• M3: 940,971 km (0.076 R)
• M4: 1,262,606 km (0.101 R)
• M5: 1,547,440 km (0.111 R)
• M6: 2,315,027 km (0.107 R)
• M7: 2,709,965 km (0.048 R)
• M8: 3,135,721 km (0.06 R)
• M9: 3,605,608 km (0.094 R)
• M10: 3,896,875 km (0.035 R)
• M11: 4,220,455 km (0.105 R)
• M12: 5,185,062 km (0.042 R)
• M13: 5,537,216 km (0.089 R)
• M14: 6,377,208 km (0.115 R)
• M15: 6,874,022 km (0.071 R)
• M16: 8,151,289 km (0.062 R)
• M17: 8,520,646 km (0.054 R)
• M18: 9,813,471 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937

Radius: 11

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.45 AU - 2.47 AU

Year: 2573 Days

Day: 7.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,563,698 km

• M1: 136,732 km (0.108 R)
• M2: 571,913 km (0.056 R)
• M3: 969,993 km (0.053 R)
• M4: 1,547,141 km (0.067 R)
• M5: 1,946,268 km (0.09 R)
• M6: 2,576,823 km (0.082 R)
• M7: 3,196,458 km (0.086 R)
• M8: 3,675,769 km (0.059 R)
• M9: 4,331,457 km (0.062 R)
• M10: 4,687,649 km (0.063 R)
• M11: 6,540,718 km (0.053 R)
• M12: 7,162,896 km (0.111 R)
• M13: 8,153,084 km (0.09 R)
• M14: 9,863,137 km (0.032 R)
• M15: 11,715,009 km (0.108 R)
• M16: 12,858,835 km (0.108 R)
• M17: 13,364,625 km (0.107 R)
• M18: 13,835,858 km (0.065 R)
• M19: 17,507,439 km (0.113 R)
• M20: 18,823,900 km (0.12 R)
• M21: 19,838,622 km (0.114 R)
• M22: 20,328,705 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 515.5

Radius: 4.7

Gravity: 23.34 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.24 AU - 7.34 AU

Year: 10520 Days

Day: 15.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,563,698 km

• M1: 58,493 km (0.075 R)
• M2: 239,506 km (0.08 R)
• M3: 435,180 km (0.093 R)
• M4: 681,119 km (0.087 R)
• M5: 1,134,401 km (0.108 R)
• M6: 1,506,750 km (0.08 R)
• M7: 2,056,522 km (0.072 R)
• M8: 2,212,702 km (0.086 R)
• M9: 2,395,810 km (0.058 R)
• M10: 2,813,188 km (0.082 R)
• M11: 5,790,186 km (0.078 R)
• M12: 6,650,523 km (0.1 R)
• M13: 6,839,914 km (0.092 R)
• M14: 8,181,807 km (0.104 R)
• M15: 9,214,780 km (0.103 R)
• M16: 10,483,819 km (0.07 R)
• M17: 12,144,056 km (0.107 R)
• M18: 12,831,159 km (0.092 R)
• M19: 13,006,936 km (0.052 R)
• M20: 13,363,279 km (0.056 R)
• M21: 14,534,780 km (0.069 R)
• M22: 15,840,171 km (0.102 R)
• M23: 16,383,510 km (0.084 R)
• M24: 17,507,439 km (0.1 R)
• M25: 18,457,684 km (0.079 R)
• M26: 19,518,932 km (0.118 R)
• M27: 21,023,288 km (0.078 R)
• M28: 23,905,291 km (0.03 R)
• M29: 24,171,575 km (0.096 R)
• M30: 27,620,404 km (0.035 R)
• M31: 30,542,350 km (0.09 R)
• M32: 32,673,372 km (0.088 R)
• M33: 32,891,785 km (0.083 R)
• M34: 34,787,638 km (0.041 R)
• M35: 35,358,803 km (0.093 R)
• M36: 39,163,376 km (0.084 R)
• M37: 39,533,481 km (0.043 R)
• M38: 43,231,989 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.4

Radius: 3.6

Gravity: 37.07 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 6.66 AU - 8.1 AU

Year: 13369 Days

Day: 24.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,563,698 km

• M1: 44,730 km (0.105 R)
• M2: 256,261 km (0.105 R)
• M3: 543,788 km (0.083 R)
• M4: 749,785 km (0.103 R)
• M5: 931,546 km (0.106 R)
• M6: 1,130,511 km (0.061 R)
• M7: 2,354,970 km (0.07 R)
• M8: 3,107,896 km (0.102 R)
• M9: 3,300,279 km (0.105 R)
• M10: 3,816,092 km (0.116 R)
• M11: 5,071,069 km (0.113 R)
• M12: 5,544,097 km (0.03 R)
• M13: 5,755,479 km (0.047 R)
• M14: 5,972,396 km (0.108 R)
• M15: 6,157,149 km (0.072 R)
• M16: 6,307,794 km (0.064 R)
• M17: 7,907,893 km (0.106 R)
• M18: 8,872,500 km (0.07 R)
• M19: 13,518,112 km (0.051 R)
• M20: 14,622,294 km (0.11 R)
• M21: 15,230,559 km (0.098 R)
• M22: 15,506,118 km (0.114 R)
• M23: 15,715,107 km (0.111 R)
• M24: 18,061,998 km (0.054 R)
• M25: 21,225,245 km (0.09 R)
• M26: 23,162,986 km (0.05 R)
• M27: 25,893,147 km (0.102 R)
• M28: 43,484,511 km (0.076 R)
• M29: 47,906,025 km (0.057 R)
• M30: 49,544,272 km (0.087 R)
• M31: 50,301,237 km (0.104 R)

Asteroid Belt

Center: 8.33 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.7

Radius: 6.3

Gravity: 20.58 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 9.02 AU - 9.54 AU

Year: 18852 Days

Day: 20.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 77,563,698 km

• M1: 84,972 km (0.054 R)
• M2: 304,880 km (0.056 R)
• M3: 1,109,867 km (0.091 R)
• M4: 1,520,363 km (0.111 R)
• M5: 1,725,163 km (0.034 R)
• M6: 2,128,927 km (0.087 R)
• M7: 3,017,539 km (0.093 R)
• M8: 3,784,677 km (0.027 R)
• M9: 6,196,045 km (0.051 R)
• M10: 6,544,757 km (0.101 R)
• M11: 7,669,733 km (0.057 R)
• M12: 8,918,127 km (0.076 R)
• M13: 11,099,564 km (0.1 R)
• M14: 11,614,180 km (0.117 R)
• M15: 14,428,116 km (0.105 R)
• M16: 18,814,625 km (0.106 R)
• M17: 21,852,659 km (0.095 R)
• M18: 22,762,513 km (0.096 R)
• M19: 23,383,045 km (0.083 R)
• M20: 25,202,454 km (0.045 R)
• M21: 27,928,576 km (0.087 R)
• M22: 29,851,358 km (0.086 R)
• M23: 30,469,945 km (0.089 R)
• M24: 37,275,152 km (0.077 R)
• M25: 49,363,408 km (0.112 R)
• M26: 49,708,081 km (0.034 R)
• M27: 51,809,782 km (0.061 R)
• M28: 53,424,392 km (0.091 R)
• M29: 55,257,414 km (0.105 R)
• M30: 55,815,414 km (0.083 R)
• M31: 58,276,748 km (0.075 R)
• M32: 59,826,881 km (0.09 R)
• M33: 63,618,290 km (0.115 R)
• M34: 67,143,713 km (0.094 R)
• M35: 67,355,095 km (0.061 R)
• M36: 68,418,437 km (0.055 R)
• M37: 69,061,857 km (0.058 R)
• M38: 71,455,273 km (0.119 R)
• M39: 73,903,592 km (0.073 R)
• M40: 74,580,822 km (0.076 R)
• M41: 75,034,702 km (0.092 R)
• M42: 75,718,813 km (0.098 R)
• M43: 77,099,751 km (0.071 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: 338 - 15,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit