🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.8

Radius: 9.1

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.47 AU - 1.57 AU

Year: 1294 Days

Day: 13.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,605,525 km

• M1: 113,246 km (0.038 R)
• M2: 459,415 km (0.088 R)
• M3: 756,816 km (0.08 R)
• M4: 1,429,408 km (0.102 R)
• M5: 1,722,619 km (0.104 R)
• M6: 2,775,938 km (0.098 R)
• M7: 3,164,893 km (0.115 R)
• M8: 4,299,443 km (0.102 R)
• M9: 4,841,585 km (0.04 R)
• M10: 5,365,776 km (0.099 R)
• M11: 5,728,551 km (0.084 R)
• M12: 6,385,585 km (0.101 R)
• M13: 7,450,872 km (0.111 R)
• M14: 9,099,739 km (0.081 R)
• M15: 9,555,115 km (0.069 R)
• M16: 10,544,256 km (0.065 R)
• M17: 10,911,220 km (0.048 R)
• M18: 11,252,153 km (0.118 R)
• M19: 11,883,905 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 840.8

Radius: 9.3

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.56 AU - 2 AU

Year: 1639 Days

Day: 6 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,605,525 km

• M1: 116,088 km (0.109 R)
• M2: 432,936 km (0.052 R)
• M3: 939,624 km (0.088 R)
• M4: 2,175,303 km (0.028 R)
• M5: 2,478,089 km (0.12 R)
• M6: 2,838,171 km (0.03 R)
• M7: 3,858,279 km (0.073 R)
• M8: 4,481,803 km (0.098 R)
• M9: 5,040,850 km (0.117 R)
• M10: 5,668,862 km (0.115 R)
• M11: 6,148,772 km (0.119 R)
• M12: 6,500,476 km (0.092 R)
• M13: 8,103,866 km (0.064 R)
• M14: 9,684,667 km (0.071 R)
• M15: 10,196,591 km (0.035 R)
• M16: 11,163,442 km (0.075 R)
• M17: 12,229,476 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.4

Radius: 12.5

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.46 AU - 2.36 AU

Year: 1822 Days

Day: 5.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,605,525 km

• M1: 155,432 km (0.073 R)
• M2: 548,575 km (0.108 R)
• M3: 1,027,588 km (0.12 R)
• M4: 1,454,839 km (0.068 R)
• M5: 1,900,342 km (0.097 R)
• M6: 2,424,533 km (0.067 R)
• M7: 3,400,958 km (0.087 R)
• M8: 3,970,327 km (0.097 R)
• M9: 4,458,914 km (0.1 R)
• M10: 5,278,561 km (0.081 R)
• M11: 5,945,019 km (0.051 R)
• M12: 7,077,176 km (0.111 R)
• M13: 8,254,661 km (0.104 R)
• M14: 9,975,485 km (0.046 R)
• M15: 11,648,139 km (0.093 R)
• M16: 13,115,245 km (0.081 R)
• M17: 14,429,313 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.4

Radius: 10.1

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.76 AU - 5.58 AU

Year: 8114 Days

Day: 13 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,605,525 km

• M1: 127,308 km (0.119 R)
• M2: 496,515 km (0.099 R)
• M3: 1,016,667 km (0.081 R)
• M4: 1,598,752 km (0.069 R)
• M5: 2,259,227 km (0.118 R)
• M6: 3,624,906 km (0.103 R)
• M7: 3,997,106 km (0.115 R)
• M8: 5,446,260 km (0.118 R)
• M9: 5,779,863 km (0.102 R)
• M10: 6,224,468 km (0.034 R)
• M11: 7,290,353 km (0.09 R)
• M12: 9,217,174 km (0.058 R)
• M13: 11,024,615 km (0.099 R)
• M14: 12,216,312 km (0.115 R)
• M15: 13,657,238 km (0.106 R)
• M16: 16,809,714 km (0.108 R)
• M17: 18,588,882 km (0.093 R)
• M18: 20,562,975 km (0.114 R)
• M19: 21,003,541 km (0.074 R)
• M20: 21,525,488 km (0.115 R)
• M21: 23,700,043 km (0.059 R)
• M22: 25,256,609 km (0.113 R)
• M23: 25,592,905 km (0.087 R)
• M24: 27,762,223 km (0.053 R)
• M25: 28,120,361 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 46.2

Radius: 4.2

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.61 AU - 8.89 AU

Year: 16357 Days

Day: 23.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 85,605,525 km

• M1: 56,997 km (0.1 R)
• M2: 231,877 km (0.097 R)
• M3: 364,271 km (0.114 R)
• M4: 2,548,699 km (0.029 R)
• M5: 4,673,737 km (0.11 R)
• M6: 21,448,146 km (0.12 R)
• M7: 25,809,073 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 919.5

Radius: 4.2

Gravity: 52.13 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.01 AU - 9.69 AU

Year: 16655 Days

Day: 15 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 85,605,525 km

• M1: 52,509 km (0.111 R)
• M2: 264,788 km (0.11 R)
• M3: 585,975 km (0.082 R)
• M4: 1,226,254 km (0.108 R)
• M5: 1,647,222 km (0.099 R)
• M6: 2,507,859 km (0.102 R)
• M7: 2,843,407 km (0.083 R)
• M8: 3,048,057 km (0.087 R)
• M9: 3,515,999 km (0.086 R)
• M10: 3,782,283 km (0.082 R)
• M11: 3,998,601 km (0.113 R)
• M12: 4,524,288 km (0.079 R)
• M13: 6,290,441 km (0.097 R)
• M14: 7,516,695 km (0.099 R)
• M15: 13,946,261 km (0.036 R)
• M16: 15,068,246 km (0.042 R)
• M17: 17,660,477 km (0.109 R)
• M18: 20,440,604 km (0.081 R)
• M19: 24,124,302 km (0.109 R)
• M20: 25,516,759 km (0.053 R)
• M21: 43,897,999 km (0.032 R)
• M22: 47,273,526 km (0.047 R)
• M23: 47,438,382 km (0.051 R)
• M24: 57,486,423 km (0.091 R)
• M25: 62,109,894 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.9

Radius: 4.6

Gravity: 39.41 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 7.95 AU - 11.93 AU

Year: 21632 Days

Day: 19.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 126.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 85,605,525 km

• M1: 87,814 km (0.077 R)
• M2: 232,475 km (0.094 R)
• M3: 414,237 km (0.12 R)
• M4: 691,591 km (0.115 R)
• M5: 872,305 km (0.053 R)
• M6: 1,167,462 km (0.098 R)
• M7: 1,459,028 km (0.026 R)
• M8: 2,275,832 km (0.041 R)
• M9: 2,705,777 km (0.063 R)
• M10: 4,977,271 km (0.117 R)
• M11: 5,614,857 km (0.067 R)
• M12: 5,824,743 km (0.052 R)
• M13: 6,350,130 km (0.067 R)
• M14: 7,050,548 km (0.085 R)
• M15: 9,756,624 km (0.091 R)
• M16: 11,140,404 km (0.065 R)
• M17: 13,304,786 km (0.059 R)
• M18: 15,733,956 km (0.118 R)
• M19: 16,320,679 km (0.086 R)
• M20: 20,151,282 km (0.064 R)
• M21: 21,043,484 km (0.069 R)
• M22: 21,961,715 km (0.073 R)
• M23: 24,876,331 km (0.105 R)
• M24: 25,328,864 km (0.079 R)
• M25: 28,405,644 km (0.114 R)
• M26: 34,164,264 km (0.116 R)
• M27: 34,864,233 km (0.026 R)
• M28: 38,507,390 km (0.104 R)
• M29: 40,032,989 km (0.084 R)
• M30: 41,282,131 km (0.113 R)
• M31: 46,709,990 km (0.088 R)
• M32: 47,919,489 km (0.057 R)
• M33: 51,856,307 km (0.103 R)
• M34: 55,425,263 km (0.103 R)
• M35: 57,761,832 km (0.094 R)
• M36: 62,421,956 km (0.099 R)
• M37: 63,467,196 km (0.064 R)
• M38: 68,868,577 km (0.066 R)
• M39: 75,037,544 km (0.055 R)
• M40: 77,172,904 km (0.097 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 17,921 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit