🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.9

Radius: 13.7

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.55 AU - 0.57 AU

Year: 284 Days

Day: 6.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,099,608 km

• M1: 170,691 km (0.114 R)
• M2: 597,643 km (0.103 R)
• M3: 1,046,886 km (0.116 R)
• M4: 1,502,262 km (0.114 R)
• M5: 2,100,803 km (0.064 R)
• M6: 2,817,377 km (0.096 R)
• M7: 3,309,404 km (0.083 R)
• M8: 3,822,674 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.2

Radius: 9.4

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.59 AU - 0.73 AU

Year: 364 Days

Day: 9.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,099,608 km

• M1: 117,135 km (0.045 R)
• M2: 470,934 km (0.115 R)
• M3: 768,484 km (0.068 R)
• M4: 1,090,120 km (0.081 R)
• M5: 1,917,695 km (0.066 R)
• M6: 2,659,401 km (0.048 R)
• M7: 3,106,549 km (0.055 R)
• M8: 3,971,225 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.8

Radius: 9.6

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.6 AU - 0.74 AU

Year: 372 Days

Day: 6.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,099,608 km

• M1: 119,379 km (0.059 R)
• M2: 440,865 km (0.088 R)
• M3: 945,758 km (0.102 R)
• M4: 1,265,000 km (0.083 R)
• M5: 1,736,532 km (0.055 R)
• M6: 2,486,317 km (0.073 R)
• M7: 3,016,791 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.2

Radius: 8.2

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.72 AU - 0.96 AU

Year: 522 Days

Day: 14.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,099,608 km

• M1: 102,026 km (0.112 R)
• M2: 365,468 km (0.118 R)
• M3: 725,250 km (0.112 R)
• M4: 991,086 km (0.095 R)
• M5: 1,407,716 km (0.069 R)
• M6: 1,709,754 km (0.104 R)
• M7: 2,185,774 km (0.072 R)
• M8: 2,498,284 km (0.115 R)
• M9: 4,011,617 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.1

Radius: 13

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.88 AU - 1.4 AU

Year: 826 Days

Day: 6.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,099,608 km

• M1: 161,715 km (0.112 R)
• M2: 733,179 km (0.078 R)
• M3: 1,220,719 km (0.03 R)
• M4: 1,736,083 km (0.111 R)
• M5: 2,161,839 km (0.072 R)
• M6: 2,575,477 km (0.063 R)
• M7: 2,985,375 km (0.097 R)
• M8: 3,439,255 km (0.11 R)
• M9: 3,925,448 km (0.096 R)
• M10: 4,640,376 km (0.076 R)
• M11: 5,054,014 km (0.083 R)
• M12: 5,756,825 km (0.102 R)
• M13: 6,179,140 km (0.101 R)
• M14: 6,641,846 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.5

Radius: 14

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.82 AU - 4.58 AU

Year: 4827 Days

Day: 14 Hours

Environment

Temp: -219 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,099,608 km

• M1: 211,531 km (0.061 R)
• M2: 672,293 km (0.082 R)
• M3: 1,127,370 km (0.114 R)
• M4: 1,754,633 km (0.101 R)
• M5: 3,059,725 km (0.109 R)
• M6: 4,018,797 km (0.062 R)
• M7: 6,017,425 km (0.063 R)
• M8: 8,444,351 km (0.09 R)
• M9: 8,881,925 km (0.046 R)
• M10: 9,405,517 km (0.115 R)
• M11: 10,515,234 km (0.088 R)
• M12: 10,982,877 km (0.071 R)
• M13: 14,087,332 km (0.111 R)
• M14: 14,995,391 km (0.093 R)
• M15: 17,194,779 km (0.112 R)
• M16: 19,022,865 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468

Radius: 12

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.06 AU - 4.4 AU

Year: 4886 Days

Day: 12.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,099,608 km

• M1: 149,299 km (0.092 R)
• M2: 556,055 km (0.085 R)
• M3: 1,085,033 km (0.106 R)
• M4: 1,500,616 km (0.114 R)
• M5: 2,219,584 km (0.098 R)
• M6: 3,960,454 km (0.085 R)
• M7: 6,088,933 km (0.073 R)
• M8: 6,660,396 km (0.119 R)
• M9: 7,201,941 km (0.075 R)
• M10: 9,119,187 km (0.111 R)
• M11: 9,828,131 km (0.103 R)
• M12: 11,047,204 km (0.116 R)
• M13: 13,233,278 km (0.096 R)
• M14: 14,770,995 km (0.063 R)
• M15: 15,916,316 km (0.075 R)
• M16: 17,002,696 km (0.079 R)
• M17: 21,027,178 km (0.102 R)
• M18: 21,777,560 km (0.097 R)
• M19: 23,915,164 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.4

Radius: 8.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.1 AU - 4.42 AU

Year: 5964 Days

Day: 9.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,099,608 km

• M1: 109,655 km (0.054 R)
• M2: 476,768 km (0.116 R)
• M3: 912,397 km (0.113 R)
• M4: 1,375,702 km (0.101 R)
• M5: 2,520,425 km (0.098 R)
• M6: 2,849,391 km (0.06 R)
• M7: 3,845,413 km (0.053 R)
• M8: 4,127,405 km (0.061 R)
• M9: 4,403,114 km (0.099 R)
• M10: 5,282,301 km (0.05 R)
• M11: 5,631,612 km (0.074 R)
• M12: 9,407,163 km (0.077 R)
• M13: 11,385,744 km (0.072 R)
• M14: 12,905,210 km (0.063 R)
• M15: 14,019,714 km (0.09 R)
• M16: 14,873,918 km (0.118 R)
• M17: 16,243,935 km (0.115 R)

Asteroid Belt

Center: 6.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.4

Radius: 3.8

Gravity: 44.76 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.93 AU - 9.55 AU

Year: 17525 Days

Day: 16 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,099,608 km

• M1: 48,619 km (0.093 R)
• M2: 458,966 km (0.101 R)
• M3: 764,595 km (0.111 R)
• M4: 944,860 km (0.101 R)
• M5: 1,088,923 km (0.094 R)
• M6: 1,391,410 km (0.06 R)
• M7: 1,818,362 km (0.102 R)
• M8: 2,202,230 km (0.104 R)
• M9: 3,340,969 km (0.116 R)
• M10: 4,160,915 km (0.086 R)
• M11: 4,754,071 km (0.103 R)
• M12: 5,401,680 km (0.104 R)
• M13: 6,825,552 km (0.102 R)
• M14: 7,505,924 km (0.115 R)
• M15: 8,532,763 km (0.075 R)
• M16: 8,947,449 km (0.115 R)
• M17: 9,873,160 km (0.099 R)
• M18: 10,272,138 km (0.1 R)
• M19: 10,800,966 km (0.095 R)
• M20: 10,981,082 km (0.045 R)
• M21: 11,722,190 km (0.113 R)
• M22: 12,430,237 km (0.077 R)
• M23: 15,855,430 km (0.117 R)
• M24: 16,402,210 km (0.054 R)
• M25: 17,286,782 km (0.097 R)
• M26: 18,287,592 km (0.05 R)
• M27: 19,238,286 km (0.105 R)
• M28: 24,905,502 km (0.115 R)
• M29: 34,751,585 km (0.091 R)
• M30: 37,564,175 km (0.077 R)
• M31: 38,674,341 km (0.095 R)
• M32: 40,814,488 km (0.114 R)
• M33: 42,582,585 km (0.043 R)
• M34: 43,637,100 km (0.045 R)
• M35: 48,191,608 km (0.086 R)
• M36: 48,843,705 km (0.048 R)
• M37: 50,332,353 km (0.042 R)
• M38: 64,718,283 km (0.079 R)
• M39: 66,311,799 km (0.049 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 540.8

Radius: 6.2

Gravity: 14.07 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 9.97 AU - 11.23 AU

Year: 23407 Days

Day: 17.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 78,099,608 km

• M1: 92,302 km (0.05 R)
• M2: 295,755 km (0.088 R)
• M3: 532,120 km (0.102 R)
• M4: 874,400 km (0.083 R)
• M5: 1,115,701 km (0.092 R)
• M6: 1,699,731 km (0.089 R)
• M7: 2,681,991 km (0.111 R)
• M8: 4,392,193 km (0.062 R)
• M9: 4,634,542 km (0.116 R)
• M10: 5,033,220 km (0.06 R)
• M11: 5,982,419 km (0.105 R)
• M12: 7,092,585 km (0.092 R)
• M13: 7,622,012 km (0.081 R)
• M14: 8,074,695 km (0.107 R)
• M15: 9,947,361 km (0.11 R)
• M16: 11,111,083 km (0.083 R)
• M17: 12,987,489 km (0.102 R)
• M18: 14,909,971 km (0.029 R)
• M19: 15,537,684 km (0.048 R)
• M20: 16,512,164 km (0.098 R)
• M21: 18,314,519 km (0.07 R)
• M22: 20,434,471 km (0.065 R)
• M23: 21,013,415 km (0.062 R)
• M24: 21,504,096 km (0.113 R)
• M25: 23,333,827 km (0.111 R)
• M26: 25,596,944 km (0.086 R)
• M27: 31,437,993 km (0.066 R)
• M28: 33,256,803 km (0.107 R)
• M29: 34,462,413 km (0.102 R)
• M30: 40,325,004 km (0.047 R)
• M31: 47,319,452 km (0.046 R)
• M32: 51,101,585 km (0.078 R)
• M33: 52,346,090 km (0.086 R)
• M34: 64,262,907 km (0.113 R)
• M35: 72,170,650 km (0.098 R)
• M36: 73,062,553 km (0.051 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 16,549 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit