🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.7

Radius: 13

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.64 AU - 0.72 AU

Year: 357 Days

Day: 12.6 Hours

Environment

Temp: -130 °C

Axial Tilt: 79 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 79,452,152 km

• M1: 161,865 km (0.11 R)
• M2: 961,316 km (0.097 R)
• M3: 1,641,687 km (0.103 R)
• M4: 2,267,006 km (0.085 R)
• M5: 2,735,547 km (0.09 R)
• M6: 3,779,141 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.2

Radius: 12.3

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.14 AU - 1.64 AU

Year: 1042 Days

Day: 12.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,452,152 km

• M1: 153,039 km (0.072 R)
• M2: 603,029 km (0.11 R)
• M3: 1,228,647 km (0.097 R)
• M4: 1,881,792 km (0.088 R)
• M5: 2,336,270 km (0.034 R)
• M6: 2,924,638 km (0.068 R)
• M7: 3,582,121 km (0.097 R)
• M8: 4,068,613 km (0.106 R)
• M9: 5,102,783 km (0.107 R)
• M10: 6,160,141 km (0.044 R)
• M11: 7,017,038 km (0.111 R)
• M12: 7,568,455 km (0.064 R)
• M13: 8,074,395 km (0.065 R)
• M14: 8,628,656 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.7

Radius: 9

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.97 AU - 3.25 AU

Year: 3487 Days

Day: 6.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,452,152 km

• M1: 111,899 km (0.056 R)
• M2: 415,284 km (0.113 R)
• M3: 730,636 km (0.086 R)
• M4: 1,045,839 km (0.098 R)
• M5: 1,511,088 km (0.071 R)
• M6: 2,342,104 km (0.057 R)
• M7: 4,165,553 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.4

Radius: 11.4

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.56 AU - 5.18 AU

Year: 6833 Days

Day: 12.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,452,152 km

• M1: 146,456 km (0.107 R)
• M2: 722,109 km (0.117 R)
• M3: 1,368,222 km (0.102 R)
• M4: 1,734,139 km (0.099 R)
• M5: 2,199,837 km (0.07 R)
• M6: 2,728,815 km (0.078 R)
• M7: 3,207,678 km (0.086 R)
• M8: 4,697,672 km (0.103 R)
• M9: 5,233,233 km (0.118 R)
• M10: 6,715,149 km (0.094 R)
• M11: 7,087,798 km (0.101 R)
• M12: 9,118,738 km (0.087 R)
• M13: 10,194,796 km (0.026 R)
• M14: 11,563,915 km (0.104 R)
• M15: 12,994,669 km (0.049 R)
• M16: 13,575,259 km (0.062 R)
• M17: 14,052,177 km (0.068 R)
• M18: 16,338,182 km (0.087 R)
• M19: 17,152,293 km (0.06 R)
• M20: 17,851,215 km (0.108 R)
• M21: 18,351,769 km (0.117 R)
• M22: 20,525,875 km (0.101 R)
• M23: 21,313,807 km (0.119 R)
• M24: 24,668,539 km (0.064 R)
• M25: 25,649,602 km (0.038 R)
• M26: 27,594,225 km (0.11 R)
• M27: 29,042,183 km (0.101 R)
• M28: 30,035,363 km (0.068 R)
• M29: 32,829,552 km (0.103 R)
• M30: 33,257,851 km (0.026 R)
• M31: 34,454,634 km (0.096 R)
• M32: 35,119,447 km (0.1 R)
• M33: 36,934,218 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.5

Radius: 9.8

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.54 AU - 5.44 AU

Year: 7087 Days

Day: 14.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,452,152 km

• M1: 122,221 km (0.079 R)
• M2: 616,792 km (0.086 R)
• M3: 997,369 km (0.069 R)
• M4: 1,329,177 km (0.084 R)
• M5: 1,640,041 km (0.106 R)
• M6: 2,046,948 km (0.115 R)
• M7: 2,484,521 km (0.09 R)
• M8: 2,922,843 km (0.083 R)
• M9: 3,548,761 km (0.096 R)
• M10: 4,835,452 km (0.07 R)
• M11: 6,374,964 km (0.084 R)
• M12: 9,417,336 km (0.085 R)
• M13: 9,780,709 km (0.086 R)
• M14: 13,033,565 km (0.073 R)
• M15: 13,428,204 km (0.111 R)
• M16: 14,964,275 km (0.081 R)
• M17: 15,397,211 km (0.082 R)
• M18: 15,774,946 km (0.12 R)
• M19: 16,746,135 km (0.105 R)
• M20: 17,415,586 km (0.111 R)
• M21: 18,879,102 km (0.117 R)
• M22: 19,604,203 km (0.092 R)
• M23: 20,574,494 km (0.1 R)
• M24: 21,187,247 km (0.09 R)
• M25: 21,654,741 km (0.055 R)
• M26: 22,129,115 km (0.06 R)
• M27: 24,777,297 km (0.057 R)
• M28: 26,445,762 km (0.039 R)
• M29: 28,000,981 km (0.094 R)
• M30: 29,907,756 km (0.106 R)
• M31: 30,793,375 km (0.082 R)
• M32: 35,050,482 km (0.072 R)
• M33: 35,485,812 km (0.053 R)
• M34: 36,034,836 km (0.113 R)
• M35: 38,518,609 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.8

Radius: 11.8

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.32 AU - 6.86 AU

Year: 8403 Days

Day: 7.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,452,152 km

• M1: 186,399 km (0.073 R)
• M2: 588,219 km (0.111 R)
• M3: 1,028,485 km (0.094 R)
• M4: 1,533,079 km (0.061 R)
• M5: 2,525,212 km (0.083 R)
• M6: 3,482,190 km (0.104 R)
• M7: 4,068,314 km (0.056 R)
• M8: 4,772,172 km (0.05 R)
• M9: 8,040,437 km (0.112 R)
• M10: 9,741,215 km (0.082 R)
• M11: 11,866,402 km (0.111 R)
• M12: 12,932,736 km (0.026 R)
• M13: 13,516,168 km (0.117 R)
• M14: 15,080,961 km (0.066 R)
• M15: 15,907,190 km (0.11 R)
• M16: 16,639,173 km (0.115 R)
• M17: 21,000,549 km (0.114 R)
• M18: 24,592,244 km (0.082 R)
• M19: 25,241,948 km (0.112 R)
• M20: 26,660,435 km (0.116 R)
• M21: 31,046,345 km (0.034 R)

Asteroid Belt

Center: 6.67 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.5

Radius: 5.2

Gravity: 25.57 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 6.94 AU - 8.56 AU

Year: 13718 Days

Day: 20.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,452,152 km

• M1: 64,925 km (0.12 R)
• M2: 230,830 km (0.092 R)
• M3: 905,067 km (0.103 R)
• M4: 1,257,968 km (0.073 R)
• M5: 1,747,154 km (0.073 R)
• M6: 2,195,648 km (0.117 R)
• M7: 2,901,152 km (0.117 R)
• M8: 3,191,820 km (0.115 R)
• M9: 3,609,348 km (0.104 R)
• M10: 4,181,560 km (0.111 R)
• M11: 7,126,992 km (0.109 R)
• M12: 7,344,507 km (0.064 R)
• M13: 8,259,149 km (0.094 R)
• M14: 8,499,253 km (0.035 R)
• M15: 11,396,964 km (0.03 R)
• M16: 13,131,252 km (0.116 R)
• M17: 14,061,003 km (0.099 R)
• M18: 17,346,621 km (0.114 R)
• M19: 17,582,238 km (0.071 R)
• M20: 19,292,141 km (0.063 R)
• M21: 19,545,111 km (0.069 R)
• M22: 21,288,675 km (0.08 R)
• M23: 21,740,161 km (0.103 R)
• M24: 23,996,994 km (0.117 R)
• M25: 26,717,133 km (0.103 R)
• M26: 28,422,399 km (0.067 R)
• M27: 33,000,393 km (0.102 R)
• M28: 39,790,790 km (0.105 R)
• M29: 41,307,862 km (0.065 R)
• M30: 41,587,759 km (0.094 R)
• M31: 47,149,808 km (0.071 R)
• M32: 49,475,307 km (0.118 R)
• M33: 50,108,106 km (0.107 R)
• M34: 54,018,594 km (0.026 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471.6

Radius: 3.4

Gravity: 40.8 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.25 AU - 10.37 AU

Year: 16626 Days

Day: 21.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,452,152 km

• M1: 44,879 km (0.12 R)
• M2: 212,279 km (0.043 R)
• M3: 365,916 km (0.075 R)
• M4: 862,881 km (0.107 R)
• M5: 1,003,503 km (0.038 R)
• M6: 1,387,670 km (0.12 R)
• M7: 1,776,624 km (0.103 R)
• M8: 2,098,858 km (0.091 R)
• M9: 2,587,295 km (0.078 R)
• M10: 2,765,765 km (0.085 R)
• M11: 3,756,403 km (0.101 R)
• M12: 4,728,789 km (0.108 R)
• M13: 5,451,346 km (0.099 R)
• M14: 8,730,233 km (0.074 R)
• M15: 9,081,040 km (0.089 R)
• M16: 15,749,065 km (0.078 R)
• M17: 17,107,564 km (0.119 R)
• M18: 18,460,527 km (0.112 R)
• M19: 20,141,558 km (0.071 R)
• M20: 20,489,672 km (0.118 R)
• M21: 20,841,676 km (0.081 R)
• M22: 26,409,111 km (0.116 R)
• M23: 27,672,764 km (0.061 R)
• M24: 28,211,017 km (0.117 R)
• M25: 29,419,618 km (0.111 R)
• M26: 34,973,589 km (0.079 R)
• M27: 35,098,802 km (0.091 R)
• M28: 42,740,261 km (0.055 R)
• M29: 45,663,852 km (0.118 R)
• M30: 47,633,907 km (0.108 R)
• M31: 48,562,012 km (0.057 R)
• M32: 51,580,448 km (0.076 R)
• M33: 51,742,612 km (0.109 R)
• M34: 52,068,137 km (0.1 R)
• M35: 52,887,784 km (0.036 R)
• M36: 56,081,250 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.5

Radius: 6.4

Gravity: 14 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 10.68 AU - 11.4 AU

Year: 23323 Days

Day: 19.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,452,152 km

• M1: 80,035 km (0.078 R)
• M2: 534,812 km (0.093 R)
• M3: 825,182 km (0.115 R)
• M4: 1,411,306 km (0.045 R)
• M5: 2,076,119 km (0.087 R)
• M6: 2,398,652 km (0.115 R)
• M7: 3,063,615 km (0.102 R)
• M8: 3,813,699 km (0.1 R)
• M9: 4,400,571 km (0.088 R)
• M10: 4,715,774 km (0.078 R)
• M11: 8,008,722 km (0.104 R)
• M12: 8,532,464 km (0.115 R)
• M13: 9,823,643 km (0.046 R)
• M14: 13,722,164 km (0.111 R)
• M15: 13,944,167 km (0.107 R)
• M16: 17,138,530 km (0.106 R)
• M17: 20,692,228 km (0.105 R)
• M18: 22,079,150 km (0.114 R)
• M19: 26,381,584 km (0.059 R)
• M20: 32,767,618 km (0.093 R)
• M21: 37,313,000 km (0.108 R)
• M22: 39,213,342 km (0.061 R)
• M23: 39,961,182 km (0.089 R)
• M24: 43,205,810 km (0.078 R)
• M25: 47,124,077 km (0.117 R)
• M26: 52,707,967 km (0.095 R)
• M27: 53,801,827 km (0.075 R)
• M28: 56,223,667 km (0.07 R)
• M29: 63,923,469 km (0.072 R)
• M30: 66,005,124 km (0.06 R)
• M31: 67,275,658 km (0.081 R)
• M32: 72,969,802 km (0.114 R)
• M33: 75,933,635 km (0.104 R)
• M34: 77,328,336 km (0.079 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: 200 - 15,161 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit