🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.08 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.7

Radius: 12.9

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.73 AU - 2.59 AU

Year: 2083 Days

Day: 14.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,647,821 km

• M1: 188,643 km (0.079 R)
• M2: 649,404 km (0.06 R)
• M3: 1,280,408 km (0.062 R)
• M4: 1,747,154 km (0.048 R)
• M5: 2,540,770 km (0.118 R)
• M6: 3,162,798 km (0.058 R)
• M7: 3,703,445 km (0.115 R)
• M8: 5,705,962 km (0.119 R)
• M9: 6,251,845 km (0.111 R)
• M10: 6,805,357 km (0.098 R)
• M11: 7,448,777 km (0.05 R)
• M12: 7,860,171 km (0.087 R)
• M13: 9,763,954 km (0.049 R)
• M14: 10,257,477 km (0.096 R)
• M15: 11,603,858 km (0.068 R)
• M16: 15,434,012 km (0.086 R)
• M17: 16,007,870 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590

Radius: 9.5

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.12 AU - 2.56 AU

Year: 2348 Days

Day: 11 Hours

Environment

Temp: -187 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,647,821 km

• M1: 119,230 km (0.112 R)
• M2: 693,685 km (0.089 R)
• M3: 1,205,011 km (0.097 R)
• M4: 1,617,003 km (0.103 R)
• M5: 2,655,811 km (0.102 R)
• M6: 4,069,960 km (0.108 R)
• M7: 4,722,805 km (0.03 R)
• M8: 5,611,117 km (0.104 R)
• M9: 7,716,109 km (0.119 R)
• M10: 8,879,082 km (0.095 R)
• M11: 9,348,371 km (0.117 R)
• M12: 11,786,966 km (0.12 R)
• M13: 12,477,958 km (0.073 R)
• M14: 12,939,318 km (0.113 R)
• M15: 14,667,323 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.9

Radius: 14

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.5 AU - 3.7 AU

Year: 4481 Days

Day: 10.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,647,821 km

• M1: 174,132 km (0.118 R)
• M2: 847,322 km (0.11 R)
• M3: 1,406,818 km (0.112 R)
• M4: 1,883,587 km (0.068 R)
• M5: 2,565,454 km (0.105 R)
• M6: 3,467,679 km (0.12 R)
• M7: 4,572,459 km (0.03 R)
• M8: 5,756,676 km (0.079 R)
• M9: 6,529,199 km (0.067 R)
• M10: 7,886,800 km (0.101 R)
• M11: 12,119,971 km (0.064 R)
• M12: 12,842,379 km (0.079 R)
• M13: 15,018,579 km (0.111 R)
• M14: 18,102,988 km (0.09 R)
• M15: 20,157,415 km (0.084 R)
• M16: 21,310,067 km (0.104 R)
• M17: 24,119,814 km (0.111 R)
• M18: 25,574,654 km (0.073 R)
• M19: 26,045,887 km (0.094 R)
• M20: 27,006,006 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.6

Radius: 12.3

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.66 AU - 4.12 AU

Year: 5033 Days

Day: 11.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,647,821 km

• M1: 153,039 km (0.09 R)
• M2: 684,410 km (0.118 R)
• M3: 1,261,708 km (0.12 R)
• M4: 2,042,011 km (0.108 R)
• M5: 2,541,817 km (0.11 R)
• M6: 3,205,434 km (0.058 R)
• M7: 3,734,711 km (0.059 R)
• M8: 4,425,554 km (0.09 R)
• M9: 5,107,122 km (0.095 R)
• M10: 5,583,142 km (0.073 R)
• M11: 6,193,501 km (0.089 R)
• M12: 6,707,819 km (0.077 R)
• M13: 7,134,023 km (0.096 R)
• M14: 7,915,672 km (0.115 R)
• M15: 9,091,212 km (0.106 R)
• M16: 10,835,523 km (0.119 R)
• M17: 13,273,221 km (0.052 R)
• M18: 15,657,512 km (0.112 R)
• M19: 17,029,324 km (0.112 R)
• M20: 18,041,653 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.9

Radius: 11.9

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.21 AU - 6.11 AU

Year: 8834 Days

Day: 10.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,647,821 km

• M1: 148,999 km (0.074 R)
• M2: 685,158 km (0.088 R)
• M3: 1,110,465 km (0.034 R)
• M4: 3,500,889 km (0.069 R)
• M5: 4,174,678 km (0.104 R)
• M6: 5,083,336 km (0.098 R)
• M7: 5,982,419 km (0.059 R)
• M8: 6,984,725 km (0.065 R)
• M9: 7,645,947 km (0.07 R)
• M10: 8,869,807 km (0.116 R)
• M11: 9,787,291 km (0.1 R)
• M12: 10,416,799 km (0.076 R)
• M13: 11,228,367 km (0.044 R)
• M14: 15,092,032 km (0.107 R)
• M15: 15,801,425 km (0.116 R)
• M16: 20,069,302 km (0.062 R)
• M17: 21,566,627 km (0.084 R)
• M18: 37,020,087 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.2

Radius: 5.4

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.02 AU - 6.8 AU

Year: 10646 Days

Day: 20.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,647,821 km

• M1: 72,106 km (0.093 R)
• M2: 437,125 km (0.088 R)
• M3: 1,115,701 km (0.1 R)
• M4: 1,762,413 km (0.099 R)
• M5: 2,006,855 km (0.094 R)
• M6: 3,357,874 km (0.09 R)
• M7: 4,449,639 km (0.104 R)
• M8: 5,759,368 km (0.106 R)
• M9: 9,844,886 km (0.064 R)
• M10: 12,227,232 km (0.116 R)
• M11: 20,651,836 km (0.086 R)
• M12: 23,367,636 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.2

Radius: 3.9

Gravity: 46.63 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.84 AU - 7.42 AU

Year: 11199 Days

Day: 19 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 50,647,821 km

• M1: 49,367 km (0.09 R)
• M2: 232,026 km (0.057 R)
• M3: 726,597 km (0.093 R)
• M4: 1,158,935 km (0.101 R)
• M5: 1,389,764 km (0.078 R)
• M6: 1,650,513 km (0.057 R)
• M7: 2,047,995 km (0.099 R)
• M8: 2,250,251 km (0.111 R)
• M9: 3,268,414 km (0.089 R)
• M10: 3,467,978 km (0.098 R)
• M11: 4,002,790 km (0.102 R)
• M12: 4,652,344 km (0.079 R)
• M13: 5,233,981 km (0.082 R)
• M14: 5,718,678 km (0.113 R)
• M15: 6,008,748 km (0.064 R)
• M16: 6,697,347 km (0.101 R)
• M17: 7,608,548 km (0.119 R)
• M18: 8,366,859 km (0.087 R)
• M19: 8,931,741 km (0.099 R)
• M20: 10,294,877 km (0.085 R)
• M21: 13,872,959 km (0.11 R)
• M22: 15,482,033 km (0.072 R)
• M23: 16,116,179 km (0.1 R)
• M24: 18,905,880 km (0.12 R)
• M25: 19,548,702 km (0.098 R)
• M26: 20,793,057 km (0.118 R)
• M27: 22,089,322 km (0.096 R)
• M28: 25,321,235 km (0.083 R)
• M29: 27,608,437 km (0.095 R)
• M30: 31,570,387 km (0.117 R)
• M31: 34,809,031 km (0.12 R)
• M32: 36,139,554 km (0.12 R)
• M33: 40,334,279 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.5

Radius: 4.5

Gravity: 47.88 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 6.06 AU - 9.06 AU

Year: 13636 Days

Day: 17.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 50,647,821 km

• M1: 56,249 km (0.093 R)
• M2: 237,412 km (0.047 R)
• M3: 495,319 km (0.051 R)
• M4: 1,969,157 km (0.098 R)
• M5: 3,655,574 km (0.1 R)
• M6: 4,193,228 km (0.05 R)
• M7: 4,415,980 km (0.117 R)
• M8: 4,579,939 km (0.105 R)
• M9: 4,747,788 km (0.074 R)
• M10: 5,574,017 km (0.046 R)
• M11: 6,121,545 km (0.118 R)
• M12: 8,775,561 km (0.09 R)
• M13: 9,299,752 km (0.054 R)
• M14: 11,605,952 km (0.095 R)
• M15: 12,365,910 km (0.082 R)
• M16: 13,158,330 km (0.091 R)
• M17: 14,698,440 km (0.091 R)
• M18: 15,511,654 km (0.088 R)
• M19: 15,662,747 km (0.1 R)
• M20: 17,146,908 km (0.091 R)
• M21: 20,391,536 km (0.107 R)
• M22: 21,777,710 km (0.085 R)
• M23: 25,567,772 km (0.084 R)
• M24: 26,741,667 km (0.095 R)
• M25: 28,399,959 km (0.099 R)
• M26: 30,008,286 km (0.097 R)
• M27: 34,936,339 km (0.105 R)
• M28: 35,195,891 km (0.09 R)
• M29: 35,456,939 km (0.118 R)
• M30: 36,380,407 km (0.096 R)
• M31: 38,828,427 km (0.028 R)
• M32: 41,674,676 km (0.117 R)
• M33: 47,460,074 km (0.102 R)
• M34: 51,712,543 km (0.097 R)
• M35: 56,211,998 km (0.07 R)
• M36: 60,031,232 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 195.3

Radius: 6.5

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.86 AU - 10.88 AU

Year: 20342 Days

Day: 18.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 50,647,821 km

• M1: 81,980 km (0.076 R)
• M2: 295,755 km (0.095 R)
• M3: 779,854 km (0.101 R)
• M4: 1,000,660 km (0.044 R)
• M5: 1,251,386 km (0.101 R)
• M6: 1,865,186 km (0.06 R)
• M7: 2,362,300 km (0.097 R)
• M8: 3,540,533 km (0.065 R)
• M9: 3,773,905 km (0.046 R)
• M10: 4,875,544 km (0.102 R)
• M11: 5,099,791 km (0.113 R)
• M12: 5,568,930 km (0.107 R)
• M13: 6,631,973 km (0.115 R)
• M14: 7,273,299 km (0.114 R)
• M15: 7,481,988 km (0.045 R)
• M16: 8,448,091 km (0.054 R)
• M17: 8,678,771 km (0.114 R)
• M18: 9,396,242 km (0.079 R)
• M19: 10,100,998 km (0.039 R)
• M20: 11,900,660 km (0.096 R)
• M21: 12,308,165 km (0.114 R)
• M22: 12,845,820 km (0.094 R)
• M23: 13,089,664 km (0.107 R)
• M24: 14,160,934 km (0.106 R)
• M25: 14,884,539 km (0.042 R)
• M26: 17,351,109 km (0.102 R)
• M27: 22,278,564 km (0.094 R)
• M28: 24,635,478 km (0.095 R)
• M29: 26,263,552 km (0.109 R)
• M30: 28,371,835 km (0.062 R)
• M31: 32,132,276 km (0.111 R)
• M32: 33,494,365 km (0.113 R)
• M33: 38,312,463 km (0.11 R)
• M34: 46,232,025 km (0.097 R)
• M35: 47,966,014 km (0.088 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 14,908 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit