🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.8

Radius: 13.2

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.09 AU - 1.57 AU

Year: 1023 Days

Day: 7.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,321,076 km

• M1: 167,400 km (0.098 R)
• M2: 643,271 km (0.1 R)
• M3: 1,164,769 km (0.11 R)
• M4: 1,780,963 km (0.089 R)
• M5: 3,004,673 km (0.073 R)
• M6: 4,262,642 km (0.116 R)
• M7: 4,699,019 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.8

Radius: 8.9

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.39 AU - 1.67 AU

Year: 1262 Days

Day: 7.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,321,076 km

• M1: 110,852 km (0.073 R)
• M2: 393,891 km (0.087 R)
• M3: 1,063,342 km (0.051 R)
• M4: 1,424,321 km (0.093 R)
• M5: 1,978,581 km (0.103 R)
• M6: 2,290,493 km (0.064 R)
• M7: 3,027,412 km (0.11 R)
• M8: 3,305,515 km (0.096 R)
• M9: 3,762,686 km (0.119 R)
• M10: 5,258,814 km (0.094 R)
• M11: 6,533,837 km (0.117 R)
• M12: 8,383,913 km (0.102 R)
• M13: 9,235,574 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.9

Radius: 8.1

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.76 AU - 3.14 AU

Year: 3379 Days

Day: 9.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,321,076 km

• M1: 100,679 km (0.091 R)
• M2: 646,263 km (0.11 R)
• M3: 1,306,737 km (0.067 R)
• M4: 1,669,363 km (0.113 R)
• M5: 2,281,667 km (0.037 R)
• M6: 2,782,221 km (0.103 R)
• M7: 3,239,991 km (0.035 R)
• M8: 4,730,135 km (0.105 R)
• M9: 5,637,297 km (0.066 R)
• M10: 6,629,729 km (0.067 R)
• M11: 7,589,848 km (0.087 R)
• M12: 9,117,990 km (0.088 R)
• M13: 10,841,208 km (0.094 R)
• M14: 11,741,039 km (0.094 R)
• M15: 13,903,177 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.3

Radius: 10.2

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.31 AU - 4.87 AU

Year: 6558 Days

Day: 7.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,321,076 km

• M1: 126,859 km (0.106 R)
• M2: 628,161 km (0.112 R)
• M3: 1,519,765 km (0.06 R)
• M4: 1,957,488 km (0.052 R)
• M5: 3,001,681 km (0.09 R)
• M6: 4,473,724 km (0.089 R)
• M7: 5,433,843 km (0.116 R)
• M8: 5,893,109 km (0.033 R)
• M9: 7,395,969 km (0.078 R)
• M10: 9,947,810 km (0.082 R)
• M11: 11,618,519 km (0.092 R)
• M12: 15,776,143 km (0.074 R)
• M13: 17,280,499 km (0.09 R)
• M14: 20,637,325 km (0.112 R)
• M15: 23,265,610 km (0.084 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.3

Radius: 6.4

Gravity: 23.25 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.18 AU - 7.02 AU

Year: 10047 Days

Day: 17 Hours

Environment

Temp: -229 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 49,321,076 km

• M1: 79,586 km (0.112 R)
• M2: 342,878 km (0.097 R)
• M3: 627,114 km (0.077 R)
• M4: 838,945 km (0.111 R)
• M5: 2,241,874 km (0.039 R)
• M6: 3,209,473 km (0.103 R)
• M7: 3,534,698 km (0.107 R)
• M8: 4,049,465 km (0.112 R)
• M9: 4,929,998 km (0.092 R)
• M10: 5,858,552 km (0.107 R)
• M11: 6,306,747 km (0.091 R)
• M12: 7,877,674 km (0.12 R)
• M13: 9,590,869 km (0.09 R)
• M14: 10,807,100 km (0.102 R)
• M15: 11,366,745 km (0.081 R)
• M16: 13,287,582 km (0.107 R)
• M17: 15,068,395 km (0.068 R)
• M18: 15,625,198 km (0.079 R)
• M19: 16,412,981 km (0.109 R)
• M20: 19,501,878 km (0.114 R)
• M21: 21,969,494 km (0.116 R)
• M22: 23,140,397 km (0.101 R)
• M23: 25,118,679 km (0.076 R)
• M24: 25,901,076 km (0.062 R)
• M25: 27,824,306 km (0.069 R)
• M26: 29,300,837 km (0.105 R)
• M27: 32,294,740 km (0.093 R)
• M28: 32,639,563 km (0.111 R)
• M29: 34,161,871 km (0.097 R)
• M30: 35,364,637 km (0.102 R)
• M31: 37,347,408 km (0.111 R)
• M32: 39,534,080 km (0.073 R)
• M33: 42,902,575 km (0.118 R)
• M34: 44,585,401 km (0.118 R)
• M35: 50,512,170 km (0.098 R)
• M36: 50,821,538 km (0.057 R)
• M37: 51,444,165 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 406.3

Radius: 7.7

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.65 AU - 7.01 AU

Year: 10620 Days

Day: 19 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,321,076 km

• M1: 95,743 km (0.112 R)
• M2: 598,092 km (0.111 R)
• M3: 1,294,171 km (0.107 R)
• M4: 1,654,253 km (0.087 R)
• M5: 4,410,594 km (0.107 R)
• M6: 4,986,546 km (0.027 R)
• M7: 6,755,391 km (0.12 R)
• M8: 9,450,097 km (0.114 R)
• M9: 9,872,412 km (0.092 R)
• M10: 10,604,245 km (0.077 R)
• M11: 11,957,358 km (0.092 R)
• M12: 17,460,465 km (0.06 R)
• M13: 19,116,514 km (0.115 R)
• M14: 21,191,137 km (0.087 R)
• M15: 24,097,973 km (0.119 R)
• M16: 27,260,322 km (0.067 R)
• M17: 34,835,959 km (0.091 R)
• M18: 41,049,805 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.2

Radius: 7.1

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 7.23 AU - 7.71 AU

Year: 13615 Days

Day: 23.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 49,321,076 km

• M1: 88,412 km (0.041 R)
• M2: 530,175 km (0.064 R)
• M3: 759,957 km (0.101 R)
• M4: 1,217,577 km (0.114 R)
• M5: 1,501,813 km (0.112 R)
• M6: 1,798,615 km (0.095 R)
• M7: 2,081,206 km (0.079 R)
• M8: 3,253,006 km (0.045 R)
• M9: 3,675,021 km (0.108 R)
• M10: 4,303,482 km (0.105 R)
• M11: 4,874,796 km (0.092 R)
• M12: 5,495,627 km (0.072 R)
• M13: 5,737,078 km (0.111 R)
• M14: 6,504,815 km (0.056 R)
• M15: 7,053,390 km (0.091 R)
• M16: 8,242,543 km (0.044 R)
• M17: 10,372,817 km (0.093 R)
• M18: 12,310,409 km (0.111 R)
• M19: 13,087,719 km (0.058 R)
• M20: 14,477,184 km (0.115 R)
• M21: 15,207,521 km (0.112 R)
• M22: 16,102,116 km (0.105 R)
• M23: 16,598,033 km (0.09 R)
• M24: 17,177,276 km (0.086 R)
• M25: 17,769,983 km (0.092 R)
• M26: 20,772,562 km (0.106 R)
• M27: 23,279,673 km (0.112 R)
• M28: 24,373,831 km (0.084 R)
• M29: 33,236,907 km (0.111 R)
• M30: 34,156,635 km (0.041 R)
• M31: 34,622,782 km (0.075 R)
• M32: 37,139,915 km (0.116 R)
• M33: 47,847,084 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.5

Radius: 4.4

Gravity: 34.58 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 7.95 AU - 9.61 AU

Year: 17349 Days

Day: 21.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 49,321,076 km

• M1: 54,753 km (0.103 R)
• M2: 219,909 km (0.114 R)
• M3: 422,464 km (0.118 R)
• M4: 878,887 km (0.113 R)
• M5: 1,466,358 km (0.11 R)
• M6: 1,626,727 km (0.111 R)
• M7: 2,021,067 km (0.091 R)
• M8: 5,248,791 km (0.063 R)
• M9: 6,434,204 km (0.026 R)
• M10: 7,549,756 km (0.098 R)
• M11: 8,945,504 km (0.099 R)
• M12: 9,483,159 km (0.116 R)
• M13: 10,741,277 km (0.103 R)
• M14: 11,163,741 km (0.104 R)
• M15: 12,042,030 km (0.091 R)
• M16: 15,785,268 km (0.071 R)
• M17: 15,939,952 km (0.062 R)
• M18: 20,236,254 km (0.076 R)
• M19: 20,880,272 km (0.117 R)
• M20: 22,209,150 km (0.076 R)
• M21: 24,306,662 km (0.104 R)
• M22: 25,776,012 km (0.087 R)
• M23: 26,861,195 km (0.089 R)
• M24: 27,303,706 km (0.11 R)
• M25: 32,998,448 km (0.058 R)
• M26: 38,589,220 km (0.076 R)
• M27: 41,313,397 km (0.079 R)
• M28: 42,647,361 km (0.102 R)
• M29: 45,871,345 km (0.117 R)
• M30: 50,753,022 km (0.108 R)
• M31: 51,259,411 km (0.118 R)
• M32: 53,318,775 km (0.034 R)
• M33: 54,368,953 km (0.057 R)
• M34: 55,969,799 km (0.104 R)
• M35: 56,149,616 km (0.11 R)
• M36: 56,329,732 km (0.076 R)
• M37: 59,265,291 km (0.085 R)
• M38: 65,041,115 km (0.115 R)
• M39: 66,038,933 km (0.09 R)
• M40: 67,249,628 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733

Radius: 6

Gravity: 20.36 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 8.58 AU - 11.72 AU

Year: 21564 Days

Day: 16.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 49,321,076 km

• M1: 75,697 km (0.097 R)
• M2: 275,709 km (0.104 R)
• M3: 520,301 km (0.095 R)
• M4: 758,611 km (0.109 R)
• M5: 1,030,879 km (0.093 R)
• M6: 2,238,283 km (0.076 R)
• M7: 2,907,135 km (0.071 R)
• M8: 3,148,287 km (0.028 R)
• M9: 4,887,213 km (0.067 R)
• M10: 5,190,298 km (0.082 R)
• M11: 7,134,472 km (0.064 R)
• M12: 8,726,493 km (0.035 R)
• M13: 9,459,672 km (0.065 R)
• M14: 11,837,680 km (0.073 R)
• M15: 16,109,148 km (0.055 R)
• M16: 16,611,048 km (0.055 R)
• M17: 19,748,864 km (0.057 R)
• M18: 26,932,703 km (0.08 R)
• M19: 32,670,380 km (0.07 R)
• M20: 35,540,864 km (0.114 R)
• M21: 41,465,239 km (0.119 R)
• M22: 42,249,131 km (0.09 R)
• M23: 50,817,499 km (0.11 R)
• M24: 55,789,983 km (0.059 R)
• M25: 55,980,271 km (0.112 R)
• M26: 62,500,644 km (0.118 R)
• M27: 63,117,436 km (0.096 R)
• M28: 64,991,897 km (0.067 R)
• M29: 70,392,979 km (0.105 R)
• M30: 71,060,634 km (0.105 R)
• M31: 73,316,420 km (0.119 R)
• M32: 75,619,330 km (0.103 R)
• M33: 76,319,598 km (0.08 R)
• M34: 81,832,130 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.9

Radius: 3.1

Gravity: 14.66 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 8.76 AU - 12.44 AU

Year: 23014 Days

Day: 18.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,321,076 km

• M1: 41,289 km (0.025 R)
• M2: 162,463 km (0.062 R)
• M3: 403,914 km (0.106 R)
• M4: 563,386 km (0.118 R)
• M5: 661,971 km (0.108 R)
• M6: 1,535,323 km (0.07 R)
• M7: 3,075,882 km (0.11 R)
• M8: 3,192,568 km (0.117 R)
• M9: 3,336,781 km (0.109 R)
• M10: 6,161,936 km (0.12 R)
• M11: 6,848,890 km (0.113 R)
• M12: 12,186,243 km (0.109 R)
• M13: 13,201,414 km (0.063 R)
• M14: 14,078,656 km (0.057 R)
• M15: 15,195,254 km (0.095 R)
• M16: 15,603,058 km (0.093 R)
• M17: 15,740,538 km (0.106 R)
• M18: 16,018,042 km (0.042 R)
• M19: 24,707,734 km (0.098 R)
• M20: 27,812,189 km (0.067 R)
• M21: 29,773,267 km (0.116 R)
• M22: 32,940,853 km (0.104 R)
• M23: 38,164,511 km (0.038 R)
• M24: 38,665,066 km (0.054 R)
• M25: 40,841,266 km (0.12 R)
• M26: 43,913,707 km (0.102 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 10,649 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit