🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.4

Radius: 10.6

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.63 AU - 0.79 AU

Year: 386 Days

Day: 5.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,528,192 km

• M1: 132,245 km (0.074 R)
• M2: 466,297 km (0.11 R)
• M3: 905,516 km (0.113 R)
• M4: 1,235,529 km (0.083 R)
• M5: 2,941,693 km (0.119 R)
• M6: 3,323,466 km (0.115 R)
• M7: 3,964,942 km (0.117 R)
• M8: 4,335,945 km (0.08 R)
• M9: 5,087,375 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.7

Radius: 8.2

Gravity: 12.56 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.06 AU - 3.2 AU

Year: 2754 Days

Day: 14.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,528,192 km

• M1: 102,175 km (0.075 R)
• M2: 368,908 km (0.081 R)
• M3: 686,654 km (0.07 R)
• M4: 953,088 km (0.113 R)
• M5: 1,225,805 km (0.073 R)
• M6: 1,561,951 km (0.095 R)
• M7: 1,909,168 km (0.069 R)
• M8: 2,196,097 km (0.094 R)
• M9: 2,728,516 km (0.086 R)
• M10: 3,217,701 km (0.112 R)
• M11: 3,646,299 km (0.077 R)
• M12: 3,945,943 km (0.097 R)
• M13: 5,646,721 km (0.108 R)
• M14: 6,971,261 km (0.104 R)
• M15: 7,466,280 km (0.066 R)
• M16: 7,951,276 km (0.118 R)
• M17: 8,218,458 km (0.065 R)
• M18: 10,860,207 km (0.1 R)
• M19: 11,356,573 km (0.078 R)
• M20: 12,217,509 km (0.089 R)
• M21: 13,972,292 km (0.053 R)
• M22: 14,312,926 km (0.055 R)
• M23: 14,609,279 km (0.076 R)
• M24: 15,214,403 km (0.11 R)
• M25: 16,420,760 km (0.074 R)
• M26: 16,909,795 km (0.116 R)
• M27: 17,916,739 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.6

Radius: 14.5

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.08 AU - 4.8 AU

Year: 5050 Days

Day: 12.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 87,528,192 km

• M1: 180,415 km (0.099 R)
• M2: 655,687 km (0.093 R)
• M3: 1,294,022 km (0.055 R)
• M4: 1,939,836 km (0.079 R)
• M5: 5,290,828 km (0.034 R)
• M6: 6,423,882 km (0.074 R)
• M7: 6,998,936 km (0.1 R)
• M8: 8,070,057 km (0.086 R)
• M9: 9,448,302 km (0.104 R)
• M10: 10,279,019 km (0.108 R)
• M11: 14,525,355 km (0.095 R)
• M12: 17,034,710 km (0.075 R)
• M13: 19,358,563 km (0.105 R)
• M14: 22,606,183 km (0.091 R)
• M15: 23,715,002 km (0.073 R)
• M16: 24,782,234 km (0.099 R)
• M17: 26,040,950 km (0.082 R)
• M18: 27,012,738 km (0.075 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531

Radius: 3.8

Gravity: 36.77 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.96 AU - 8.2 AU

Year: 13475 Days

Day: 22.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,528,192 km

• M1: 48,919 km (0.08 R)
• M2: 173,534 km (0.062 R)
• M3: 1,976,038 km (0.04 R)
• M4: 3,482,190 km (0.119 R)
• M5: 5,203,463 km (0.066 R)
• M6: 5,872,165 km (0.111 R)
• M7: 6,675,805 km (0.12 R)
• M8: 8,545,330 km (0.106 R)
• M9: 9,986,555 km (0.109 R)
• M10: 10,410,965 km (0.11 R)
• M11: 11,295,686 km (0.11 R)
• M12: 12,169,488 km (0.094 R)
• M13: 12,838,340 km (0.04 R)
• M14: 17,147,207 km (0.054 R)
• M15: 20,163,100 km (0.086 R)
• M16: 23,981,137 km (0.089 R)
• M17: 24,645,052 km (0.081 R)
• M18: 35,389,171 km (0.098 R)
• M19: 36,997,199 km (0.064 R)
• M20: 37,628,502 km (0.079 R)
• M21: 38,010,725 km (0.039 R)
• M22: 42,249,580 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.6

Radius: 7.2

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 7.73 AU - 7.77 AU

Year: 13931 Days

Day: 16.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 87,528,192 km

• M1: 89,609 km (0.1 R)
• M2: 374,144 km (0.065 R)
• M3: 670,647 km (0.1 R)
• M4: 1,134,849 km (0.03 R)
• M5: 1,671,756 km (0.037 R)
• M6: 2,195,498 km (0.051 R)
• M7: 2,672,117 km (0.111 R)
• M8: 3,288,760 km (0.093 R)
• M9: 4,801,344 km (0.113 R)
• M10: 5,225,454 km (0.116 R)
• M11: 5,603,637 km (0.107 R)
• M12: 6,848,591 km (0.118 R)
• M13: 7,093,333 km (0.109 R)
• M14: 7,996,455 km (0.036 R)
• M15: 8,639,726 km (0.091 R)
• M16: 9,316,955 km (0.049 R)
• M17: 9,719,523 km (0.119 R)
• M18: 12,026,472 km (0.113 R)
• M19: 13,243,600 km (0.103 R)
• M20: 13,752,682 km (0.115 R)
• M21: 14,945,874 km (0.041 R)
• M22: 15,497,741 km (0.09 R)
• M23: 17,235,171 km (0.049 R)
• M24: 18,073,218 km (0.048 R)
• M25: 20,328,705 km (0.04 R)
• M26: 20,581,077 km (0.106 R)
• M27: 21,698,573 km (0.119 R)
• M28: 23,773,794 km (0.11 R)
• M29: 24,620,668 km (0.089 R)
• M30: 25,099,830 km (0.091 R)
• M31: 25,780,949 km (0.079 R)
• M32: 28,105,999 km (0.057 R)
• M33: 34,463,310 km (0.098 R)
• M34: 35,547,446 km (0.108 R)
• M35: 36,406,287 km (0.105 R)
• M36: 36,903,252 km (0.059 R)
• M37: 39,065,689 km (0.103 R)
• M38: 41,042,625 km (0.1 R)
• M39: 47,816,267 km (0.103 R)
• M40: 51,466,455 km (0.037 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633.4

Radius: 4

Gravity: 39.59 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 9.12 AU - 11.86 AU

Year: 21937 Days

Day: 20.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 87,528,192 km

• M1: 49,816 km (0.095 R)
• M2: 436,826 km (0.092 R)
• M3: 689,646 km (0.095 R)
• M4: 1,340,846 km (0.113 R)
• M5: 1,835,566 km (0.077 R)
• M6: 1,991,297 km (0.12 R)
• M7: 2,631,576 km (0.093 R)
• M8: 3,119,265 km (0.046 R)
• M9: 4,238,108 km (0.073 R)
• M10: 4,723,553 km (0.09 R)
• M11: 5,017,064 km (0.117 R)
• M12: 6,535,183 km (0.118 R)
• M13: 6,899,603 km (0.041 R)
• M14: 9,957,833 km (0.083 R)
• M15: 10,318,064 km (0.091 R)
• M16: 11,779,785 km (0.086 R)
• M17: 12,525,531 km (0.113 R)
• M18: 13,158,479 km (0.049 R)
• M19: 14,035,422 km (0.053 R)
• M20: 16,814,501 km (0.04 R)
• M21: 17,068,519 km (0.113 R)
• M22: 21,988,643 km (0.102 R)
• M23: 25,708,693 km (0.08 R)
• M24: 28,729,074 km (0.089 R)
• M25: 33,156,722 km (0.083 R)
• M26: 33,556,149 km (0.093 R)
• M27: 35,185,868 km (0.101 R)
• M28: 35,324,096 km (0.116 R)
• M29: 44,614,423 km (0.041 R)
• M30: 46,582,683 km (0.089 R)
• M31: 47,083,536 km (0.085 R)
• M32: 50,867,465 km (0.057 R)
• M33: 53,014,493 km (0.083 R)
• M34: 57,105,995 km (0.089 R)
• M35: 61,403,044 km (0.111 R)
• M36: 62,611,197 km (0.105 R)
• M37: 64,867,282 km (0.091 R)
• M38: 65,075,074 km (0.077 R)
• M39: 73,302,508 km (0.079 R)
• M40: 73,753,695 km (0.114 R)
• M41: 74,206,827 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.5

Radius: 7.3

Gravity: 13.88 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 8.36 AU - 13.76 AU

Year: 23749 Days

Day: 18.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 87,528,192 km

• M1: 91,255 km (0.074 R)
• M2: 490,681 km (0.077 R)
• M3: 790,326 km (0.079 R)
• M4: 1,424,471 km (0.097 R)
• M5: 2,030,791 km (0.102 R)
• M6: 2,720,886 km (0.082 R)
• M7: 3,176,262 km (0.095 R)
• M8: 3,744,136 km (0.104 R)
• M9: 4,377,682 km (0.097 R)
• M10: 6,385,585 km (0.087 R)
• M11: 7,538,985 km (0.03 R)
• M12: 9,520,857 km (0.117 R)
• M13: 11,964,539 km (0.112 R)
• M14: 12,961,459 km (0.042 R)
• M15: 15,038,476 km (0.101 R)
• M16: 16,368,999 km (0.094 R)
• M17: 19,261,923 km (0.086 R)
• M18: 19,549,599 km (0.117 R)
• M19: 20,429,384 km (0.102 R)
• M20: 22,373,409 km (0.116 R)
• M21: 22,691,155 km (0.104 R)
• M22: 28,071,891 km (0.076 R)
• M23: 30,469,047 km (0.09 R)
• M24: 35,522,463 km (0.073 R)
• M25: 38,930,003 km (0.114 R)
• M26: 40,164,635 km (0.086 R)
• M27: 40,477,294 km (0.118 R)
• M28: 41,107,400 km (0.096 R)
• M29: 43,037,363 km (0.1 R)
• M30: 44,691,017 km (0.093 R)
• M31: 50,812,712 km (0.102 R)
• M32: 51,546,041 km (0.109 R)
• M33: 55,125,918 km (0.086 R)
• M34: 64,472,194 km (0.066 R)
• M35: 77,449,810 km (0.093 R)
• M36: 81,883,292 km (0.092 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 13,099 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit