🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.5

Radius: 13

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.49 AU - 0.65 AU

Year: 287 Days

Day: 7.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 26,459,993 km

• M1: 161,715 km (0.12 R)
• M2: 576,700 km (0.09 R)
• M3: 1,072,617 km (0.03 R)
• M4: 1,525,001 km (0.081 R)
• M5: 1,983,668 km (0.117 R)
• M6: 2,429,320 km (0.06 R)
• M7: 3,135,871 km (0.084 R)
• M8: 3,664,849 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.4

Radius: 11.3

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.35 AU - 2.59 AU

Year: 2589 Days

Day: 14.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,459,993 km

• M1: 140,472 km (0.112 R)
• M2: 521,498 km (0.116 R)
• M3: 1,736,532 km (0.08 R)
• M4: 5,552,774 km (0.113 R)
• M5: 7,826,362 km (0.081 R)
• M6: 11,643,352 km (0.035 R)
• M7: 13,227,893 km (0.119 R)
• M8: 16,233,613 km (0.081 R)
• M9: 18,149,812 km (0.071 R)
• M10: 19,132,969 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.2

Radius: 12.6

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.57 AU - 2.69 AU

Year: 2844 Days

Day: 13.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,459,993 km

• M1: 156,629 km (0.025 R)
• M2: 606,021 km (0.077 R)
• M3: 1,345,034 km (0.045 R)
• M4: 1,842,597 km (0.05 R)
• M5: 3,076,929 km (0.112 R)
• M6: 3,593,341 km (0.103 R)
• M7: 4,707,396 km (0.102 R)
• M8: 5,792,430 km (0.11 R)
• M9: 6,408,773 km (0.102 R)
• M10: 7,511,608 km (0.115 R)
• M11: 7,939,608 km (0.05 R)
• M12: 9,322,640 km (0.061 R)
• M13: 9,973,391 km (0.057 R)
• M14: 11,975,758 km (0.116 R)
• M15: 13,644,223 km (0.088 R)
• M16: 14,788,348 km (0.071 R)
• M17: 15,200,939 km (0.058 R)
• M18: 15,780,930 km (0.095 R)
• M19: 16,320,828 km (0.063 R)
• M20: 18,605,038 km (0.117 R)
• M21: 19,207,918 km (0.1 R)
• M22: 21,949,897 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.2

Radius: 14.5

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.44 AU - 3.16 AU

Year: 3124 Days

Day: 8 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,459,993 km

• M1: 180,415 km (0.041 R)
• M2: 1,079,648 km (0.071 R)
• M3: 2,169,020 km (0.116 R)
• M4: 2,770,702 km (0.116 R)
• M5: 3,232,660 km (0.089 R)
• M6: 3,785,275 km (0.093 R)
• M7: 4,779,054 km (0.09 R)
• M8: 6,182,880 km (0.038 R)
• M9: 6,892,273 km (0.039 R)
• M10: 8,041,484 km (0.118 R)
• M11: 8,576,596 km (0.114 R)
• M12: 9,099,739 km (0.061 R)
• M13: 10,442,979 km (0.087 R)
• M14: 11,081,013 km (0.115 R)
• M15: 11,829,601 km (0.06 R)
• M16: 14,039,461 km (0.088 R)
• M17: 15,470,514 km (0.054 R)
• M18: 17,768,487 km (0.081 R)
• M19: 19,620,359 km (0.111 R)
• M20: 20,347,106 km (0.039 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.2

Radius: 13.4

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.43 AU - 4.39 AU

Year: 5156 Days

Day: 11.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 26,459,993 km

• M1: 166,652 km (0.114 R)
• M2: 851,062 km (0.096 R)
• M3: 1,349,373 km (0.107 R)
• M4: 2,425,729 km (0.1 R)
• M5: 2,931,520 km (0.114 R)
• M6: 3,800,085 km (0.08 R)
• M7: 5,084,532 km (0.119 R)
• M8: 5,858,103 km (0.054 R)
• M9: 7,092,884 km (0.104 R)
• M10: 8,494,616 km (0.085 R)
• M11: 9,760,812 km (0.088 R)
• M12: 10,532,139 km (0.098 R)
• M13: 12,824,427 km (0.05 R)
• M14: 13,862,038 km (0.086 R)
• M15: 14,895,909 km (0.096 R)
• M16: 15,980,643 km (0.06 R)
• M17: 20,339,177 km (0.1 R)
• M18: 25,432,984 km (0.119 R)
• M19: 26,371,861 km (0.065 R)
• M20: 28,137,863 km (0.099 R)
• M21: 30,741,166 km (0.043 R)
• M22: 34,216,175 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.4

Radius: 3.8

Gravity: 34.38 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.77 AU - 6.79 AU

Year: 9267 Days

Day: 16.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,459,993 km

• M1: 67,469 km (0.078 R)
• M2: 188,045 km (0.113 R)
• M3: 327,619 km (0.117 R)
• M4: 525,388 km (0.1 R)
• M5: 1,361,640 km (0.086 R)
• M6: 2,134,612 km (0.088 R)
• M7: 2,604,798 km (0.037 R)
• M8: 4,739,410 km (0.045 R)
• M9: 5,928,264 km (0.114 R)
• M10: 7,072,838 km (0.117 R)
• M11: 8,442,107 km (0.112 R)
• M12: 8,964,952 km (0.12 R)
• M13: 11,692,270 km (0.102 R)
• M14: 13,070,516 km (0.061 R)
• M15: 15,431,320 km (0.114 R)
• M16: 17,291,419 km (0.095 R)
• M17: 26,227,947 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.1

Radius: 3.7

Gravity: 42.01 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.59 AU - 9.03 AU

Year: 13180 Days

Day: 22.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 26,459,993 km

• M1: 46,824 km (0.105 R)
• M2: 170,990 km (0.1 R)
• M3: 585,825 km (0.108 R)
• M4: 750,832 km (0.085 R)
• M5: 1,200,373 km (0.113 R)
• M6: 1,357,002 km (0.075 R)
• M7: 1,556,865 km (0.075 R)
• M8: 1,776,026 km (0.104 R)
• M9: 2,295,729 km (0.032 R)
• M10: 3,193,915 km (0.085 R)
• M11: 3,600,671 km (0.083 R)
• M12: 3,955,966 km (0.102 R)
• M13: 4,215,219 km (0.103 R)
• M14: 4,864,324 km (0.085 R)
• M15: 5,028,134 km (0.085 R)
• M16: 7,124,000 km (0.098 R)
• M17: 8,645,560 km (0.088 R)
• M18: 13,433,141 km (0.069 R)
• M19: 13,886,572 km (0.097 R)
• M20: 14,216,585 km (0.111 R)
• M21: 15,731,263 km (0.092 R)
• M22: 17,350,062 km (0.075 R)
• M23: 17,502,652 km (0.112 R)
• M24: 17,887,567 km (0.1 R)
• M25: 20,828,512 km (0.077 R)
• M26: 21,435,430 km (0.064 R)
• M27: 21,611,058 km (0.063 R)
• M28: 22,322,845 km (0.035 R)
• M29: 23,605,946 km (0.117 R)
• M30: 27,027,249 km (0.059 R)
• M31: 30,101,036 km (0.116 R)
• M32: 30,542,500 km (0.105 R)
• M33: 32,351,437 km (0.102 R)
• M34: 33,872,847 km (0.091 R)
• M35: 35,318,860 km (0.085 R)
• M36: 38,333,557 km (0.093 R)
• M37: 39,375,356 km (0.072 R)
• M38: 41,651,488 km (0.114 R)
• M39: 46,317,296 km (0.114 R)
• M40: 47,797,118 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 348.3

Radius: 4

Gravity: 21.77 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.47 AU - 8.65 AU

Year: 16701 Days

Day: 16.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 26,459,993 km

• M1: 54,603 km (0.043 R)
• M2: 282,740 km (0.111 R)
• M3: 442,660 km (0.072 R)
• M4: 860,487 km (0.057 R)
• M5: 1,459,327 km (0.11 R)
• M6: 2,396,408 km (0.077 R)
• M7: 3,096,227 km (0.025 R)
• M8: 3,266,021 km (0.067 R)
• M9: 4,268,177 km (0.082 R)
• M10: 4,791,021 km (0.091 R)
• M11: 5,218,722 km (0.092 R)
• M12: 5,424,568 km (0.032 R)
• M13: 5,779,714 km (0.053 R)
• M14: 7,144,944 km (0.092 R)
• M15: 7,969,527 km (0.097 R)
• M16: 8,663,961 km (0.07 R)
• M17: 9,001,304 km (0.072 R)
• M18: 9,857,303 km (0.057 R)
• M19: 10,225,014 km (0.072 R)
• M20: 10,656,455 km (0.111 R)
• M21: 11,326,204 km (0.087 R)
• M22: 12,202,250 km (0.066 R)
• M23: 12,749,030 km (0.097 R)
• M24: 13,375,546 km (0.106 R)
• M25: 13,631,807 km (0.035 R)
• M26: 15,943,842 km (0.087 R)
• M27: 16,231,967 km (0.103 R)
• M28: 17,495,321 km (0.05 R)
• M29: 20,723,344 km (0.083 R)
• M30: 26,982,070 km (0.091 R)
• M31: 32,975,559 km (0.106 R)
• M32: 38,107,814 km (0.106 R)
• M33: 38,364,673 km (0.084 R)
• M34: 39,534,828 km (0.043 R)
• M35: 41,809,613 km (0.104 R)
• M36: 44,311,787 km (0.105 R)
• M37: 45,599,525 km (0.115 R)
• M38: 46,471,831 km (0.117 R)
• M39: 46,764,893 km (0.065 R)
• M40: 47,503,308 km (0.057 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.1

Radius: 5.3

Gravity: 12.71 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.83 AU - 12.59 AU

Year: 21755 Days

Day: 17.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 26,459,993 km

• M1: 66,421 km (0.101 R)
• M2: 330,910 km (0.119 R)
• M3: 502,798 km (0.101 R)
• M4: 673,789 km (0.108 R)
• M5: 1,113,756 km (0.117 R)
• M6: 2,146,580 km (0.045 R)
• M7: 2,412,415 km (0.101 R)
• M8: 2,864,051 km (0.091 R)
• M9: 3,701,201 km (0.108 R)
• M10: 3,904,205 km (0.11 R)
• M11: 4,428,247 km (0.115 R)
• M12: 4,624,070 km (0.113 R)
• M13: 4,859,687 km (0.029 R)
• M14: 6,698,394 km (0.107 R)
• M15: 8,057,341 km (0.116 R)
• M16: 9,375,448 km (0.057 R)
• M17: 12,239,051 km (0.08 R)
• M18: 16,399,667 km (0.105 R)
• M19: 19,008,504 km (0.084 R)
• M20: 22,642,236 km (0.064 R)
• M21: 23,717,246 km (0.038 R)
• M22: 28,246,172 km (0.099 R)
• M23: 31,967,868 km (0.102 R)
• M24: 32,454,959 km (0.098 R)
• M25: 41,509,520 km (0.086 R)
• M26: 46,453,879 km (0.102 R)
• M27: 52,786,057 km (0.101 R)
• M28: 56,599,906 km (0.1 R)
• M29: 56,955,500 km (0.099 R)
• M30: 58,211,673 km (0.083 R)

Asteroid Belt

Center: 10.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.8

Radius: 4.8

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 9.86 AU - 11.66 AU

Year: 23537 Days

Day: 19.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 26,459,993 km

• M1: 59,839 km (0.079 R)
• M2: 518,357 km (0.073 R)
• M3: 723,754 km (0.092 R)
• M4: 2,202,978 km (0.094 R)
• M5: 2,818,125 km (0.106 R)
• M6: 3,990,074 km (0.102 R)
• M7: 4,147,900 km (0.1 R)
• M8: 6,787,555 km (0.104 R)
• M9: 10,671,265 km (0.079 R)
• M10: 15,319,271 km (0.058 R)
• M11: 16,618,528 km (0.068 R)
• M12: 19,177,549 km (0.113 R)
• M13: 19,888,738 km (0.114 R)
• M14: 22,694,595 km (0.104 R)
• M15: 24,154,521 km (0.111 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 17,726 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit