🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.7

Radius: 10.8

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.86 AU - 0.92 AU

Year: 569 Days

Day: 9.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,911,624 km

• M1: 134,488 km (0.11 R)
• M2: 721,660 km (0.098 R)
• M3: 1,390,811 km (0.114 R)
• M4: 1,953,599 km (0.109 R)
• M5: 2,316,523 km (0.101 R)
• M6: 2,704,281 km (0.072 R)
• M7: 3,079,023 km (0.099 R)
• M8: 3,525,274 km (0.114 R)
• M9: 3,868,302 km (0.053 R)
• M10: 4,219,857 km (0.106 R)
• M11: 4,622,425 km (0.069 R)
• M12: 5,209,895 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.2

Radius: 8.4

Gravity: 10.9 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.94 AU - 1.1 AU

Year: 699 Days

Day: 11.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,911,624 km

• M1: 104,419 km (0.112 R)
• M2: 367,861 km (0.032 R)
• M3: 999,015 km (0.109 R)
• M4: 1,382,733 km (0.11 R)
• M5: 1,971,251 km (0.088 R)
• M6: 2,375,764 km (0.103 R)
• M7: 3,104,605 km (0.098 R)
• M8: 3,611,891 km (0.08 R)
• M9: 4,314,403 km (0.077 R)
• M10: 5,122,979 km (0.116 R)
• M11: 5,582,245 km (0.037 R)
• M12: 6,169,267 km (0.107 R)
• M13: 7,081,963 km (0.103 R)
• M14: 7,443,541 km (0.106 R)
• M15: 7,984,936 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.8

Radius: 11.2

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.61 AU - 1.87 AU

Year: 1557 Days

Day: 14.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,911,624 km

• M1: 139,276 km (0.055 R)
• M2: 534,962 km (0.064 R)
• M3: 883,525 km (0.092 R)
• M4: 1,239,119 km (0.067 R)
• M5: 1,823,149 km (0.041 R)
• M6: 2,391,771 km (0.116 R)
• M7: 2,972,659 km (0.049 R)
• M8: 3,513,306 km (0.082 R)
• M9: 5,018,709 km (0.119 R)
• M10: 5,537,964 km (0.035 R)
• M11: 5,950,704 km (0.103 R)
• M12: 6,761,076 km (0.105 R)
• M13: 8,040,437 km (0.108 R)
• M14: 8,691,935 km (0.07 R)
• M15: 9,702,020 km (0.049 R)
• M16: 10,406,477 km (0.084 R)
• M17: 13,324,383 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.3

Radius: 8.4

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.07 AU - 2.27 AU

Year: 2168 Days

Day: 14.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 174.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,911,624 km

• M1: 115,789 km (0.091 R)
• M2: 379,829 km (0.055 R)
• M3: 949,498 km (0.113 R)
• M4: 1,409,511 km (0.12 R)
• M5: 2,515,339 km (0.038 R)
• M6: 3,463,640 km (0.095 R)
• M7: 4,947,501 km (0.116 R)
• M8: 6,591,881 km (0.078 R)
• M9: 7,405,095 km (0.097 R)
• M10: 8,340,680 km (0.115 R)
• M11: 9,602,687 km (0.097 R)
• M12: 10,148,121 km (0.04 R)
• M13: 11,300,773 km (0.09 R)
• M14: 11,872,386 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179

Radius: 13.4

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.47 AU - 4.01 AU

Year: 3956 Days

Day: 13.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,911,624 km

• M1: 166,802 km (0.114 R)
• M2: 677,529 km (0.103 R)
• M3: 1,228,647 km (0.067 R)
• M4: 1,737,130 km (0.082 R)
• M5: 2,173,358 km (0.103 R)
• M6: 2,712,060 km (0.087 R)
• M7: 3,523,778 km (0.088 R)
• M8: 4,593,851 km (0.1 R)
• M9: 5,083,036 km (0.091 R)
• M10: 5,536,617 km (0.113 R)
• M11: 6,395,907 km (0.087 R)
• M12: 7,923,900 km (0.066 R)
• M13: 9,278,808 km (0.097 R)
• M14: 10,099,502 km (0.111 R)
• M15: 11,420,601 km (0.111 R)
• M16: 12,043,526 km (0.085 R)
• M17: 13,314,958 km (0.099 R)
• M18: 13,743,706 km (0.095 R)
• M19: 14,538,669 km (0.062 R)
• M20: 15,131,675 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.8

Radius: 9.3

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.75 AU - 3.91 AU

Year: 4122 Days

Day: 13.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 25,911,624 km

• M1: 116,387 km (0.089 R)
• M2: 439,219 km (0.111 R)
• M3: 744,549 km (0.072 R)
• M4: 1,244,953 km (0.093 R)
• M5: 1,583,793 km (0.073 R)
• M6: 2,230,953 km (0.097 R)
• M7: 3,225,480 km (0.105 R)
• M8: 4,263,839 km (0.03 R)
• M9: 4,970,838 km (0.068 R)
• M10: 5,300,552 km (0.077 R)
• M11: 6,004,260 km (0.076 R)
• M12: 6,437,795 km (0.059 R)
• M13: 7,596,879 km (0.065 R)
• M14: 7,966,984 km (0.074 R)
• M15: 8,816,401 km (0.092 R)
• M16: 9,842,642 km (0.112 R)
• M17: 12,086,012 km (0.096 R)
• M18: 13,741,911 km (0.111 R)
• M19: 15,118,810 km (0.115 R)
• M20: 16,307,065 km (0.072 R)
• M21: 17,209,440 km (0.065 R)
• M22: 17,556,357 km (0.112 R)
• M23: 18,685,672 km (0.117 R)
• M24: 20,826,417 km (0.058 R)
• M25: 21,154,485 km (0.042 R)
• M26: 22,708,059 km (0.108 R)
• M27: 23,548,201 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.3

Radius: 11.2

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.92 AU - 4.64 AU

Year: 6006 Days

Day: 11.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,911,624 km

• M1: 140,173 km (0.058 R)
• M2: 506,090 km (0.103 R)
• M3: 5,082,737 km (0.105 R)
• M4: 6,580,062 km (0.117 R)
• M5: 7,847,156 km (0.067 R)
• M6: 10,001,515 km (0.091 R)
• M7: 10,858,561 km (0.099 R)
• M8: 12,378,925 km (0.104 R)
• M9: 18,598,905 km (0.081 R)
• M10: 19,630,083 km (0.111 R)
• M11: 21,386,661 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.5

Radius: 8.8

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.5 AU - 4.86 AU

Year: 6867 Days

Day: 10.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 25,911,624 km

• M1: 120,875 km (0.115 R)
• M2: 517,160 km (0.049 R)
• M3: 794,514 km (0.111 R)
• M4: 1,297,911 km (0.077 R)
• M5: 2,081,505 km (0.1 R)
• M6: 2,759,632 km (0.102 R)
• M7: 3,044,167 km (0.116 R)
• M8: 3,484,733 km (0.118 R)
• M9: 3,867,404 km (0.036 R)
• M10: 4,494,070 km (0.047 R)
• M11: 5,308,780 km (0.061 R)
• M12: 5,751,440 km (0.112 R)
• M13: 7,420,204 km (0.067 R)
• M14: 8,769,876 km (0.051 R)
• M15: 9,164,814 km (0.12 R)
• M16: 9,802,849 km (0.105 R)
• M17: 10,964,776 km (0.11 R)
• M18: 15,312,539 km (0.116 R)
• M19: 16,145,201 km (0.096 R)
• M20: 16,605,812 km (0.075 R)
• M21: 17,622,480 km (0.071 R)
• M22: 19,187,722 km (0.092 R)
• M23: 21,154,635 km (0.12 R)
• M24: 25,132,592 km (0.07 R)
• M25: 27,389,725 km (0.049 R)
• M26: 31,378,303 km (0.116 R)
• M27: 33,140,117 km (0.07 R)
• M28: 37,200,503 km (0.08 R)
• M29: 37,543,680 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.9

Radius: 5.6

Gravity: 31.88 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.82 AU - 7.28 AU

Year: 12696 Days

Day: 18.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 25,911,624 km

• M1: 69,713 km (0.09 R)
• M2: 360,980 km (0.108 R)
• M3: 1,201,869 km (0.117 R)
• M4: 1,638,994 km (0.112 R)
• M5: 2,421,242 km (0.068 R)
• M6: 3,321,671 km (0.096 R)
• M7: 4,300,191 km (0.1 R)
• M8: 5,457,630 km (0.084 R)
• M9: 6,555,678 km (0.109 R)
• M10: 7,112,631 km (0.113 R)
• M11: 9,390,707 km (0.096 R)
• M12: 11,373,777 km (0.066 R)
• M13: 16,530,415 km (0.094 R)
• M14: 16,842,476 km (0.079 R)
• M15: 17,397,933 km (0.05 R)
• M16: 18,212,643 km (0.065 R)
• M17: 19,052,486 km (0.076 R)
• M18: 20,271,110 km (0.108 R)
• M19: 24,338,227 km (0.108 R)
• M20: 24,539,586 km (0.063 R)
• M21: 33,788,773 km (0.115 R)
• M22: 35,829,288 km (0.057 R)
• M23: 37,546,522 km (0.084 R)
• M24: 39,317,761 km (0.115 R)
• M25: 43,765,156 km (0.113 R)
• M26: 47,430,005 km (0.107 R)
• M27: 48,218,535 km (0.107 R)
• M28: 49,176,111 km (0.073 R)
• M29: 52,964,677 km (0.1 R)
• M30: 60,192,199 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.5

Radius: 3.7

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 6.45 AU - 7.99 AU

Year: 13158 Days

Day: 23.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,911,624 km

• M1: 46,076 km (0.089 R)
• M2: 1,314,217 km (0.087 R)
• M3: 1,989,801 km (0.094 R)
• M4: 3,107,746 km (0.063 R)
• M5: 4,118,878 km (0.057 R)
• M6: 6,033,282 km (0.079 R)
• M7: 6,731,605 km (0.102 R)
• M8: 9,943,621 km (0.093 R)
• M9: 10,527,352 km (0.106 R)
• M10: 19,154,511 km (0.052 R)
• M11: 19,666,435 km (0.086 R)
• M12: 21,529,527 km (0.109 R)
• M13: 22,503,858 km (0.12 R)
• M14: 23,073,527 km (0.115 R)
• M15: 25,295,803 km (0.112 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 14,915 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit