🌌 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: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.5

Radius: 11.7

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.57 AU - 0.87 AU

Year: 388 Days

Day: 11.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 80,307,567 km

• M1: 145,559 km (0.118 R)
• M2: 587,620 km (0.096 R)
• M3: 1,477,279 km (0.111 R)
• M4: 2,070,135 km (0.076 R)
• M5: 2,500,379 km (0.11 R)
• M6: 3,419,957 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.3

Radius: 10.4

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.58 AU - 3.04 AU

Year: 2995 Days

Day: 12.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,307,567 km

• M1: 129,402 km (0.104 R)
• M2: 633,397 km (0.065 R)
• M3: 1,220,270 km (0.08 R)
• M4: 1,551,629 km (0.115 R)
• M5: 1,982,920 km (0.118 R)
• M6: 2,586,996 km (0.043 R)
• M7: 2,967,423 km (0.064 R)
• M8: 4,476,716 km (0.1 R)
• M9: 4,807,328 km (0.074 R)
• M10: 6,473,698 km (0.077 R)
• M11: 7,308,305 km (0.115 R)
• M12: 7,635,027 km (0.118 R)
• M13: 8,423,856 km (0.103 R)
• M14: 11,160,749 km (0.105 R)
• M15: 12,451,180 km (0.079 R)
• M16: 14,188,460 km (0.114 R)
• M17: 15,647,040 km (0.119 R)
• M18: 16,804,927 km (0.11 R)
• M19: 19,601,959 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.5

Radius: 13.2

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.12 AU - 3.92 AU

Year: 4199 Days

Day: 13.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,307,567 km

• M1: 165,455 km (0.056 R)
• M2: 985,700 km (0.054 R)
• M3: 1,906,625 km (0.048 R)
• M4: 2,447,720 km (0.083 R)
• M5: 2,919,851 km (0.054 R)
• M6: 3,341,268 km (0.086 R)
• M7: 3,823,871 km (0.109 R)
• M8: 4,265,185 km (0.068 R)
• M9: 5,151,103 km (0.079 R)
• M10: 5,691,451 km (0.077 R)
• M11: 7,008,511 km (0.106 R)
• M12: 7,640,861 km (0.12 R)
• M13: 8,911,246 km (0.09 R)
• M14: 13,046,430 km (0.089 R)
• M15: 14,703,526 km (0.099 R)
• M16: 17,446,702 km (0.09 R)
• M17: 18,669,515 km (0.112 R)
• M18: 19,089,735 km (0.081 R)
• M19: 20,641,963 km (0.102 R)
• M20: 21,350,907 km (0.045 R)
• M21: 21,943,165 km (0.059 R)
• M22: 22,411,257 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.6

Radius: 11.7

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.39 AU - 4.73 AU

Year: 5201 Days

Day: 5.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,307,567 km

• M1: 145,559 km (0.08 R)
• M2: 735,573 km (0.104 R)
• M3: 1,240,765 km (0.046 R)
• M4: 2,341,057 km (0.111 R)
• M5: 2,921,048 km (0.117 R)
• M6: 3,551,603 km (0.059 R)
• M7: 4,295,703 km (0.069 R)
• M8: 5,784,202 km (0.095 R)
• M9: 7,702,346 km (0.077 R)
• M10: 9,280,304 km (0.095 R)
• M11: 11,254,098 km (0.076 R)
• M12: 11,640,958 km (0.082 R)
• M13: 12,544,081 km (0.107 R)
• M14: 13,171,793 km (0.092 R)
• M15: 13,985,755 km (0.074 R)
• M16: 14,546,747 km (0.095 R)
• M17: 15,064,506 km (0.115 R)
• M18: 16,816,745 km (0.111 R)
• M19: 18,701,080 km (0.092 R)
• M20: 20,364,010 km (0.111 R)
• M21: 21,972,935 km (0.06 R)
• M22: 23,981,735 km (0.034 R)
• M23: 24,786,123 km (0.081 R)
• M24: 25,194,974 km (0.095 R)
• M25: 26,704,267 km (0.12 R)
• M26: 27,394,063 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.3

Radius: 14.6

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.21 AU - 5.31 AU

Year: 5590 Days

Day: 9.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,307,567 km

• M1: 181,612 km (0.112 R)
• M2: 697,874 km (0.062 R)
• M3: 1,185,264 km (0.09 R)
• M4: 1,856,360 km (0.098 R)
• M5: 2,499,182 km (0.117 R)
• M6: 3,308,806 km (0.101 R)
• M7: 3,865,759 km (0.102 R)
• M8: 5,834,167 km (0.109 R)
• M9: 6,392,766 km (0.056 R)
• M10: 7,228,120 km (0.112 R)
• M11: 8,874,146 km (0.119 R)
• M12: 9,700,225 km (0.104 R)
• M13: 12,039,786 km (0.101 R)
• M14: 13,526,939 km (0.117 R)
• M15: 16,132,485 km (0.074 R)
• M16: 18,262,160 km (0.062 R)
• M17: 18,722,922 km (0.118 R)
• M18: 20,929,191 km (0.032 R)
• M19: 22,243,707 km (0.097 R)
• M20: 24,002,829 km (0.061 R)
• M21: 24,956,665 km (0.103 R)
• M22: 27,451,808 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.6

Radius: 14.4

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.3 AU - 5.88 AU

Year: 8403 Days

Day: 6.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,307,567 km

• M1: 179,218 km (0.044 R)
• M2: 861,534 km (0.113 R)
• M3: 2,407,179 km (0.117 R)
• M4: 3,473,812 km (0.103 R)
• M5: 4,337,291 km (0.073 R)
• M6: 5,115,050 km (0.095 R)
• M7: 5,984,364 km (0.112 R)
• M8: 8,190,932 km (0.063 R)
• M9: 9,623,332 km (0.063 R)
• M10: 13,587,675 km (0.12 R)
• M11: 16,344,764 km (0.117 R)
• M12: 17,124,618 km (0.114 R)
• M13: 18,078,005 km (0.115 R)
• M14: 18,605,936 km (0.091 R)
• M15: 22,249,243 km (0.078 R)
• M16: 24,742,141 km (0.103 R)
• M17: 26,343,587 km (0.09 R)
• M18: 27,813,087 km (0.119 R)
• M19: 36,827,405 km (0.085 R)
• M20: 42,121,375 km (0.074 R)
• M21: 42,783,495 km (0.095 R)
• M22: 43,992,994 km (0.049 R)
• M23: 46,621,279 km (0.109 R)
• M24: 47,329,924 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.4

Radius: 4.3

Gravity: 24.52 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.23 AU - 6.29 AU

Year: 9959 Days

Day: 19.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 80,307,567 km

• M1: 53,706 km (0.103 R)
• M2: 199,564 km (0.117 R)
• M3: 338,839 km (0.071 R)
• M4: 559,646 km (0.082 R)
• M5: 863,329 km (0.068 R)
• M6: 1,121,535 km (0.083 R)
• M7: 1,946,418 km (0.05 R)
• M8: 2,229,906 km (0.115 R)
• M9: 3,454,514 km (0.096 R)
• M10: 3,719,601 km (0.092 R)
• M11: 4,683,311 km (0.039 R)
• M12: 6,751,352 km (0.095 R)
• M13: 8,170,886 km (0.031 R)
• M14: 8,729,036 km (0.087 R)
• M15: 9,496,772 km (0.1 R)
• M16: 12,791,964 km (0.109 R)
• M17: 14,020,013 km (0.11 R)
• M18: 15,133,620 km (0.072 R)
• M19: 15,973,612 km (0.107 R)
• M20: 16,912,488 km (0.082 R)
• M21: 17,187,299 km (0.109 R)
• M22: 20,722,147 km (0.092 R)
• M23: 21,354,797 km (0.038 R)
• M24: 23,414,760 km (0.117 R)
• M25: 23,585,152 km (0.114 R)
• M26: 25,784,390 km (0.117 R)
• M27: 28,309,003 km (0.108 R)
• M28: 28,502,284 km (0.097 R)
• M29: 31,924,784 km (0.087 R)
• M30: 32,450,022 km (0.09 R)
• M31: 34,498,915 km (0.084 R)
• M32: 36,632,479 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.2

Radius: 5.6

Gravity: 31.22 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 6.69 AU - 7.63 AU

Year: 12182 Days

Day: 17.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,307,567 km

• M1: 69,713 km (0.109 R)
• M2: 269,127 km (0.118 R)
• M3: 539,899 km (0.082 R)
• M4: 761,004 km (0.103 R)
• M5: 963,261 km (0.115 R)
• M6: 1,601,296 km (0.048 R)
• M7: 1,920,089 km (0.082 R)
• M8: 2,662,244 km (0.076 R)
• M9: 2,845,202 km (0.089 R)
• M10: 4,217,164 km (0.093 R)
• M11: 4,498,408 km (0.03 R)
• M12: 5,712,993 km (0.092 R)
• M13: 6,254,986 km (0.109 R)
• M14: 6,456,644 km (0.083 R)
• M15: 7,852,093 km (0.087 R)
• M16: 8,769,577 km (0.055 R)
• M17: 9,649,362 km (0.08 R)
• M18: 9,918,937 km (0.118 R)
• M19: 12,962,955 km (0.116 R)
• M20: 14,309,635 km (0.11 R)
• M21: 16,577,239 km (0.078 R)
• M22: 18,821,656 km (0.06 R)
• M23: 22,087,677 km (0.043 R)
• M24: 23,031,191 km (0.117 R)
• M25: 23,319,466 km (0.081 R)
• M26: 24,496,352 km (0.092 R)
• M27: 28,927,740 km (0.03 R)
• M28: 29,488,433 km (0.056 R)
• M29: 33,864,919 km (0.105 R)
• M30: 34,738,870 km (0.092 R)
• M31: 39,335,414 km (0.057 R)
• M32: 40,023,414 km (0.103 R)
• M33: 40,859,666 km (0.052 R)
• M34: 44,321,212 km (0.113 R)
• M35: 47,196,333 km (0.11 R)
• M36: 54,667,400 km (0.103 R)
• M37: 57,264,120 km (0.03 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.8

Radius: 3.8

Gravity: 38.77 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.6 AU - 10.7 AU

Year: 17598 Days

Day: 17.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 80,307,567 km

• M1: 50,115 km (0.108 R)
• M2: 271,969 km (0.071 R)
• M3: 409,150 km (0.097 R)
• M4: 643,121 km (0.111 R)
• M5: 1,155,195 km (0.079 R)
• M6: 2,206,269 km (0.038 R)
• M7: 2,501,276 km (0.059 R)
• M8: 3,434,618 km (0.079 R)
• M9: 5,236,973 km (0.11 R)
• M10: 5,569,828 km (0.059 R)
• M11: 5,995,434 km (0.075 R)
• M12: 6,236,436 km (0.057 R)
• M13: 6,567,945 km (0.11 R)
• M14: 8,403,960 km (0.111 R)
• M15: 8,757,011 km (0.119 R)
• M16: 10,497,881 km (0.073 R)
• M17: 12,717,315 km (0.027 R)
• M18: 13,936,089 km (0.115 R)
• M19: 14,076,112 km (0.076 R)
• M20: 15,453,909 km (0.07 R)
• M21: 16,368,999 km (0.079 R)
• M22: 18,643,335 km (0.109 R)
• M23: 19,416,906 km (0.105 R)
• M24: 20,033,100 km (0.091 R)
• M25: 20,211,570 km (0.101 R)
• M26: 22,245,054 km (0.119 R)
• M27: 23,311,088 km (0.038 R)
• M28: 24,208,376 km (0.078 R)
• M29: 24,819,184 km (0.078 R)
• M30: 25,025,031 km (0.048 R)
• M31: 25,544,584 km (0.104 R)
• M32: 25,965,553 km (0.05 R)
• M33: 28,363,158 km (0.083 R)
• M34: 35,513,338 km (0.079 R)
• M35: 35,774,835 km (0.064 R)
• M36: 41,132,533 km (0.1 R)
• M37: 45,292,551 km (0.103 R)
• M38: 47,632,261 km (0.068 R)
• M39: 55,835,460 km (0.054 R)
• M40: 56,900,298 km (0.111 R)
• M41: 58,522,837 km (0.118 R)
• M42: 64,541,608 km (0.052 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.1

Radius: 4.6

Gravity: 27.46 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 10.31 AU - 11.91 AU

Year: 23545 Days

Day: 16.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,307,567 km

• M1: 132,693 km (0.086 R)
• M2: 291,865 km (0.087 R)
• M3: 549,024 km (0.096 R)
• M4: 1,008,290 km (0.116 R)
• M5: 1,954,347 km (0.093 R)
• M6: 2,424,832 km (0.111 R)
• M7: 3,617,277 km (0.096 R)
• M8: 3,895,828 km (0.116 R)
• M9: 8,495,813 km (0.117 R)
• M10: 9,909,064 km (0.11 R)
• M11: 19,368,736 km (0.074 R)
• M12: 20,605,162 km (0.092 R)
• M13: 24,847,758 km (0.077 R)
• M14: 30,892,708 km (0.077 R)
• M15: 34,184,460 km (0.101 R)
• M16: 41,609,301 km (0.099 R)
• M17: 42,863,680 km (0.107 R)
• M18: 45,612,391 km (0.108 R)
• M19: 57,976,655 km (0.08 R)
• M20: 59,737,571 km (0.078 R)
• M21: 61,937,857 km (0.087 R)
• M22: 63,365,768 km (0.117 R)
• M23: 70,173,818 km (0.114 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 14,683 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit