🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.5

Radius: 14.4

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.55 AU - 0.91 AU

Year: 423 Days

Day: 8.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,918,359 km

• M1: 179,069 km (0.088 R)
• M2: 685,457 km (0.117 R)
• M3: 1,360,742 km (0.103 R)
• M4: 1,872,068 km (0.09 R)
• M5: 2,326,546 km (0.119 R)
• M6: 2,926,434 km (0.108 R)

Asteroid Belt

Center: 1.43 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.2

Radius: 12

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.06 AU - 2.2 AU

Year: 2108 Days

Day: 7.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,918,359 km

• M1: 149,299 km (0.114 R)
• M2: 532,419 km (0.095 R)
• M3: 1,412,054 km (0.12 R)
• M4: 2,229,457 km (0.081 R)
• M5: 2,915,064 km (0.099 R)
• M6: 4,547,775 km (0.076 R)
• M7: 5,273,774 km (0.09 R)
• M8: 5,885,479 km (0.055 R)
• M9: 7,089,443 km (0.057 R)
• M10: 7,497,696 km (0.087 R)
• M11: 7,892,784 km (0.112 R)
• M12: 9,130,706 km (0.086 R)
• M13: 10,252,241 km (0.103 R)
• M14: 10,917,653 km (0.087 R)
• M15: 11,799,382 km (0.114 R)
• M16: 13,047,926 km (0.112 R)
• M17: 13,829,874 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.2

Radius: 15

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.97 AU - 3.03 AU

Year: 2681 Days

Day: 11.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,918,359 km

• M1: 191,635 km (0.043 R)
• M2: 664,364 km (0.051 R)
• M3: 1,543,102 km (0.057 R)
• M4: 2,366,040 km (0.12 R)
• M5: 4,284,184 km (0.101 R)
• M6: 5,775,675 km (0.091 R)
• M7: 7,040,973 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136

Radius: 9.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 3.32 AU - 3.36 AU

Year: 4140 Days

Day: 13.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,918,359 km

• M1: 126,560 km (0.074 R)
• M2: 556,055 km (0.113 R)
• M3: 1,094,608 km (0.063 R)
• M4: 1,453,792 km (0.085 R)
• M5: 2,131,470 km (0.087 R)
• M6: 3,007,067 km (0.061 R)
• M7: 3,485,032 km (0.103 R)
• M8: 3,903,457 km (0.043 R)
• M9: 5,615,306 km (0.055 R)
• M10: 6,216,988 km (0.115 R)
• M11: 6,834,379 km (0.112 R)
• M12: 7,520,584 km (0.033 R)
• M13: 9,553,320 km (0.117 R)
• M14: 12,044,573 km (0.098 R)
• M15: 14,494,089 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.7

Radius: 8.4

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.78 AU - 4.28 AU

Year: 5487 Days

Day: 6.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,918,359 km

• M1: 104,419 km (0.097 R)
• M2: 370,704 km (0.11 R)
• M3: 638,933 km (0.084 R)
• M4: 909,705 km (0.115 R)
• M5: 1,503,309 km (0.098 R)
• M6: 1,821,952 km (0.111 R)
• M7: 2,615,569 km (0.052 R)
• M8: 3,576,735 km (0.07 R)
• M9: 3,928,290 km (0.091 R)
• M10: 4,354,794 km (0.113 R)
• M11: 5,572,072 km (0.088 R)
• M12: 6,342,950 km (0.11 R)
• M13: 6,754,045 km (0.072 R)
• M14: 7,074,035 km (0.031 R)
• M15: 8,497,458 km (0.041 R)
• M16: 8,912,742 km (0.063 R)
• M17: 9,341,789 km (0.092 R)
• M18: 11,494,502 km (0.118 R)
• M19: 12,901,470 km (0.105 R)
• M20: 14,951,559 km (0.11 R)
• M21: 17,013,167 km (0.112 R)
• M22: 20,047,311 km (0.101 R)
• M23: 22,942,928 km (0.079 R)
• M24: 23,830,492 km (0.072 R)
• M25: 26,367,522 km (0.084 R)
• M26: 26,895,752 km (0.096 R)
• M27: 28,985,934 km (0.112 R)
• M28: 29,548,571 km (0.118 R)
• M29: 30,310,025 km (0.074 R)
• M30: 31,971,459 km (0.055 R)
• M31: 32,572,094 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.5

Radius: 8.3

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.79 AU - 5.05 AU

Year: 7402 Days

Day: 12.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,918,359 km

• M1: 105,317 km (0.086 R)
• M2: 383,270 km (0.105 R)
• M3: 677,230 km (0.031 R)
• M4: 938,727 km (0.119 R)
• M5: 1,473,539 km (0.111 R)
• M6: 3,874,734 km (0.073 R)
• M7: 5,123,129 km (0.054 R)
• M8: 7,159,305 km (0.119 R)
• M9: 10,489,952 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.3

Radius: 7.2

Gravity: 15.03 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.09 AU - 8.33 AU

Year: 11789 Days

Day: 17.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,918,359 km

• M1: 89,609 km (0.074 R)
• M2: 398,678 km (0.067 R)
• M3: 724,652 km (0.102 R)
• M4: 1,080,845 km (0.095 R)
• M5: 1,882,390 km (0.046 R)
• M6: 2,111,424 km (0.065 R)
• M7: 2,562,761 km (0.102 R)
• M8: 3,988,578 km (0.076 R)
• M9: 5,658,988 km (0.069 R)
• M10: 6,332,627 km (0.061 R)
• M11: 8,203,199 km (0.074 R)
• M12: 9,365,275 km (0.082 R)
• M13: 9,985,658 km (0.047 R)
• M14: 13,057,800 km (0.114 R)
• M15: 14,567,990 km (0.112 R)
• M16: 15,119,408 km (0.087 R)
• M17: 16,932,833 km (0.069 R)
• M18: 18,245,704 km (0.111 R)
• M19: 18,805,500 km (0.081 R)
• M20: 19,048,895 km (0.077 R)
• M21: 20,898,673 km (0.074 R)
• M22: 25,542,041 km (0.118 R)
• M23: 26,853,117 km (0.078 R)
• M24: 28,102,558 km (0.099 R)
• M25: 31,623,195 km (0.084 R)
• M26: 36,047,851 km (0.08 R)
• M27: 37,567,017 km (0.073 R)
• M28: 41,413,627 km (0.037 R)
• M29: 43,644,431 km (0.115 R)
• M30: 45,807,317 km (0.101 R)
• M31: 52,402,040 km (0.105 R)
• M32: 52,884,493 km (0.092 R)
• M33: 55,841,145 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.1

Radius: 7.1

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.42 AU - 8.06 AU

Year: 13213 Days

Day: 20.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,918,359 km

• M1: 88,263 km (0.112 R)
• M2: 360,830 km (0.078 R)
• M3: 669,750 km (0.108 R)
• M4: 1,816,567 km (0.049 R)
• M5: 3,074,685 km (0.089 R)
• M6: 3,373,881 km (0.03 R)
• M7: 4,030,915 km (0.113 R)
• M8: 6,854,874 km (0.065 R)
• M9: 7,367,097 km (0.055 R)
• M10: 8,032,209 km (0.032 R)
• M11: 10,318,663 km (0.066 R)
• M12: 10,625,488 km (0.101 R)
• M13: 17,032,765 km (0.11 R)
• M14: 24,608,999 km (0.077 R)
• M15: 24,882,165 km (0.072 R)
• M16: 31,844,450 km (0.088 R)
• M17: 32,168,778 km (0.114 R)
• M18: 34,501,757 km (0.04 R)
• M19: 41,784,480 km (0.118 R)
• M20: 42,958,375 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.7

Radius: 5.9

Gravity: 25.76 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.07 AU - 8.87 AU

Year: 13848 Days

Day: 23.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 55,918,359 km

• M1: 75,697 km (0.118 R)
• M2: 275,858 km (0.049 R)
• M3: 485,295 km (0.109 R)
• M4: 972,835 km (0.064 R)
• M5: 1,298,061 km (0.112 R)
• M6: 1,830,180 km (0.077 R)
• M7: 2,126,683 km (0.12 R)
• M8: 2,327,743 km (0.09 R)
• M9: 3,211,567 km (0.113 R)
• M10: 4,300,640 km (0.075 R)
• M11: 4,963,508 km (0.101 R)
• M12: 5,392,554 km (0.105 R)
• M13: 5,807,389 km (0.119 R)
• M14: 6,700,489 km (0.106 R)
• M15: 7,682,000 km (0.117 R)
• M16: 9,170,050 km (0.12 R)
• M17: 10,781,668 km (0.072 R)
• M18: 13,234,475 km (0.118 R)
• M19: 19,382,199 km (0.027 R)
• M20: 19,731,660 km (0.09 R)
• M21: 21,356,442 km (0.11 R)
• M22: 23,362,400 km (0.102 R)
• M23: 23,858,018 km (0.09 R)
• M24: 29,319,238 km (0.098 R)
• M25: 29,779,700 km (0.102 R)
• M26: 30,833,617 km (0.08 R)
• M27: 32,033,542 km (0.039 R)
• M28: 33,388,898 km (0.093 R)
• M29: 33,765,137 km (0.108 R)
• M30: 40,601,012 km (0.115 R)
• M31: 44,114,766 km (0.029 R)
• M32: 47,193,491 km (0.059 R)
• M33: 52,075,617 km (0.098 R)
• M34: 56,747,858 km (0.053 R)
• M35: 60,569,485 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.9

Radius: 7.4

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 7.13 AU - 8.23 AU

Year: 14436 Days

Day: 15.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,918,359 km

• M1: 114,592 km (0.085 R)
• M2: 825,780 km (0.082 R)
• M3: 1,084,585 km (0.084 R)
• M4: 1,614,460 km (0.108 R)
• M5: 2,851,635 km (0.114 R)
• M6: 4,880,032 km (0.1 R)
• M7: 5,490,541 km (0.071 R)
• M8: 8,078,285 km (0.032 R)
• M9: 8,640,773 km (0.028 R)
• M10: 10,539,918 km (0.097 R)
• M11: 13,461,415 km (0.117 R)
• M12: 14,933,308 km (0.117 R)
• M13: 15,282,320 km (0.031 R)
• M14: 15,923,945 km (0.028 R)
• M15: 16,583,522 km (0.11 R)
• M16: 23,083,101 km (0.065 R)
• M17: 36,223,628 km (0.114 R)
• M18: 39,580,605 km (0.09 R)
• M19: 39,847,188 km (0.118 R)
• M20: 42,858,444 km (0.054 R)
• M21: 46,608,563 km (0.117 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 18,688 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit